554 jobs found

Python Full Stack Developer Leeds (Hybrid) Permanent to £80,000 (DOE) Python Full Stack Developer needed for a permanent career opportunity based in Leeds (Hybrid). Start ASAP during March/April 2026. Hybrid Working: 3 days/week remote (WFH), and 2 days/week working on-site in the Leeds office. A chance to work with a leading global IT transformation business specialising in large-scale Government projects. Key experience, responsibilities + tasks: Leading the design + development of complex applications using Core Python, and web frameworks like Flask + Django. Strong Python development expertise, and strong leadership skills, including the ability to drive development projects, and mentor junior developers. Front-end development using Vue.js, JavaScript, CSS and HTML to create seamless user interfaces. SQL Server database experience, including developing / optimizing SQL Server databases, data analysis, and efficient data storage / retrieval. Familiar with AWS Cloud Services, Infrastructure as Code (IaC) tools like Terraform, serverless architectures + Docker containers. Developing applications using event-driven programming paradigms + adhering to design patterns like Model View Template (MVT) + Model View Controller (MVC). Mentoring junior developers in coding standards, GitHub version control, and code tracking. Overseeing integration of various software components, and debugging and trouble-shooting applications. Implementing best practice in software development, including exception handling, data structures + object-oriented programming (OOP). Technical Environment: Full Stack, Python, Flask, Django, Vue.js, React, CSS, HTML, Agile methods, Design Patterns, Object Relational Mappers (ORMs), server-side templating languages, Unit/API testing, AWS, CI/CD. Benefits Package: Salary to £80k (DOE) + Hybrid Working + Annual Bonus + Pension + 22 days holiday plus BHs (rising to 25 days) + Death in Service + Health Care + More.

Applications Developer - London Are you passionate about building innovative applications and delivering cutting-edge solutions? We are working with a leading global law firm to recruit an Applications Developer to join their dynamic technology team in London. This is an exciting opportunity to work on high-performance web, mobile, and client-server applications, as well as maintain and enhance existing systems. The role also involves managing and developing SharePoint environments (on-premise and cloud), ensuring optimal performance, security, and scalability. Key Responsibilities Design, develop, and maintain custom ASP.NET MVC web applications and SharePoint solutions. Implement responsive, user-friendly interfaces using frameworks such as React, Angular, Bootstrap, and jQuery. Develop and optimize SQL databases to support application needs. Utilize low-code platforms like PowerApps and Power Automate to streamline workflows. Create and manage reports using SSRS and Power BI. Provide technical support, troubleshoot issues, and ensure system reliability. Collaborate with cross-functional teams to deliver solutions aligned with business goals. What They Are Looking For Degree in Computer Science, Information Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage multiple projects. Excellent communication and collaboration skills. Why Apply? This is a fantastic opportunity to join a prestigious global organization that values innovation and offers a collaborative, forward-thinking environment. You'll work on impactful projects and have the chance to shape technology solutions for a world-class firm. Due to the high volume of applications, we are not able to respond to all enquiries. If you have not received a response within 72 hours, please assume you have not been shortlisted at this stage, however thank you for taking the time to apply. Ryder Reid Legal is a recruitment specialist. For over thirty years we've been connecting legal talent with many of the leading law firms in London and internationally. Follow our LinkedIn page for the latest vacancies.

Senior SharePoint Developer & Administrator Location: London Employment Type: Permanent I am working with a leading international professional services firm that is seeking a talented Senior SharePoint Developer & Administrator to join its London technology team. This is an excellent opportunity to take ownership of modernising and enhancing enterprise SharePoint environments across both SharePoint Subscription Edition (SE) and SharePoint Online, while playing a key role in the evolution of the firm's collaboration and intranet platforms. This role offers a blend of hands-on development, enterprise platform administration, and technical leadership, with the scope to influence architecture, governance, and best practice across a global organisation. The Role - What You'll Be Doing SharePoint Development & Modernisation Design, develop and maintain custom solutions across SharePoint SE and SharePoint Online. Lead migration from SharePoint 2016 to SE/Online, including rewriting legacy web parts using SPFx. Build custom SPFx web parts, extensions and integrations using TypeScript, JavaScript, React, HTML/CSS, and REST APIs. Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and third-party platforms using RESTful APIs and Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (on-prem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance, availability, capacity and reliability. Oversee site collections, permissions, authentication, service applications and governance. Support backup, restore and disaster recovery processes. Troubleshoot complex cloud and on-prem SharePoint issues. On-Prem External Data & Business Connectivity Services (BCS) Configure Business Connectivity Services (BCS) and create External Content Types (ECTs). Connect SharePoint to external SQL Server data and web services. Build scripts and front-end components interacting with BCS data using JavaScript/REST. Ensure secure, reliable and well-governed data integrations. Collaboration, Leadership & Documentation Provide guidance and mentorship to junior developers and administrators. Collaborate with project managers, business analysts and stakeholders to deliver high-quality solutions. Produce and maintain documentation including architecture diagrams, runbooks and migration guides. Recommend improvements to governance, architecture and development standards. Required Skills & Experience Extensive hands-on experience with SharePoint SE and SharePoint Online development and administration. Strong background migrating SharePoint 2016 to SE/Online. Proven SPFx development skills. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server skills. Understanding of authentication, permissions, governance and security best practices. Excellent communication and analytical skills. Experience building or supporting large-scale SharePoint Online intranet platforms. Familiarity with Microsoft Power Platform (Power Apps, Power Automate). Experience with Azure AD, Azure Functions or App Services. Relevant Microsoft certifications. What You'll Deliver Stable and secure SharePoint SE and SharePoint Online environments. Successful migration of legacy SharePoint 2016 solutions. Modern, user-friendly SharePoint Online intranet with meaningful customisations. Strong governance, clear documentation and scalable operational processes. If you're a Senior SharePoint specialist looking to lead impactful modernisation work within a global, forward-thinking firm, I'd love to connect for a confidential conversation. Due to the high volume of applications, we are not able to respond to all enquiries. If you have not received a response within 72 hours, please assume you have not been shortlisted at this stage, however thank you for taking the time to apply. Ryder Reid Legal is a recruitment specialist. For over thirty years we've been connecting legal talent with many of the leading law firms in London and internationally. Follow our LinkedIn page for the latest vacancies.

Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) London / WFH to £95k Are you a full stack technologist? You could be progressing your career in a hands-on Senior Software Engineer role at a well established consumer facing financial services company that help people to manage debt, as they go through a technical transformation and scale-up following recent investment. What's in it for you: Salary to £95k Bonus 25 days holiday Pension Employee Assistance Programme Onsite gym and well-being champions X2 volunteering days per year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Senior Software Engineer you will design and develop customer facing applications, working across the full stack with a leaning towards TypeScript, Node and AWS on the backend but also with exposure to React on the front end, ensuring high standards of quality, security, reliability and operability across the stack. You'll also have exposure to mobile app development using React Native. Location / WFH: You'll be based in fantastic new offices in London that offer a wide range of facilities including wellness rooms and onsite gym for three days a week with flexibility to work from home twice a week. About you: You have advanced full stack development skills including TypeScript backends, microservices, APIs, React and also ideally React Native or Kotlin for mobile development You have a good understanding of distributed systems, RDBMS (Oracle) and data modelling trade-offs You have a good understanding of cloud native architecture and modern engineering practices such as CI/CD, Test Automation, monitoring and observability You have an interest in AI and agentic systems, ideally having used in a commercial setting You're collaborative and pragmatic, comfortable working closely with Product Managers to explain technical aspects and trade-offs to shape delivery plans that balance speed, quality and risk Apply now to find out more about this Senior Software Engineer / Full Stack Developer (TypeScript Node React AWS) opportunity.

Software Engineer (React) Position Description At CGI, you will play a key role in shaping intuitive, high-performing digital experiences that deliver real value to clients and end users. As a React Developer, you will contribute to building scalable front-end solutions that support business transformation and innovation across industries. Working within a collaborative and forward-thinking environment, you will have the opportunity to take ownership of your work, contribute creative ideas, and help deliver impactful outcomes. CGI empowers you to grow your expertise, work with modern technologies, and make a meaningful difference while being supported by a strong, inclusive team culture. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. Our teams operate within a flexible hybrid working model, however on-site requirements vary by project, so the ability to travel as required to meet client needs is essential. Your future duties and responsibilities In this role, you will design, build, and enhance modern web applications using React, contributing directly to solutions that drive client success. You will take ownership of key features and components, working closely with designers, backend engineers, and product teams to translate requirements into scalable, high-quality code. You will be encouraged to deepen your technical expertise, share knowledge, and continuously improve development standards while contributing ideas that shape how solutions are delivered. You will play an important role in balancing delivery and technical development, taking responsibility for your work while being supported in progressing toward more senior responsibilities. • Develop responsive, scalable applications using React.js • Build reusable components and front-end libraries • Collaborate within cross-functional agile teams • Integrate front-end solutions with APIs and backend services • Improve application performance, accessibility, and usability • Review code quality through peer reviews and best practices • Troubleshoot technical issues effectively • Learn modern tools, frameworks, and approaches Required qualifications to be successful in this role You will bring hands-on experience in React development and modern JavaScript, with the ability to deliver high-quality front-end solutions. You should be comfortable taking ownership of your work while continuing to grow your technical depth within a collaborative team environment. • You should have commercial experience developing applications using React.js • Strong proficiency in JavaScript (ES6+) and core front-end principles • Experience with HTML5, CSS3, and responsive design techniques • Familiarity with RESTful APIs and integration patterns • Proven ability to write clean, maintainable, and testable code • Experience using Git and modern development workflows • Understanding of debugging, performance optimisation, and best practices • Ability to collaborate effectively and contribute to continuous improvement Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team-one of the largest IT and business consulting services firms in the world.

Software Engineer, Developer - Frontend - React, JavaScript Contract - Until 31 December - Renewable Rate: £600 per Day - Inside IR35 Location: Essex Offices (between Brentwood and Basildon) 4 days a Week The banking and finance division of one of the world's leading engineering and manufacturing companies and a household name is seeking a Software Developer, Software Engineer - Front End, Frontend. The Frontend software developer will be working within a single team assisting with the creation of new frontend products for customers. It is expected the Software Engineer will upskill other team members with the knowledge required around creating leading frontend applications. Essential Skills & Experience Software Engineer, Developer - Frontend - React, JavaScript Desirable (not essential) Skills & Experience Software Engineer, Developer - Frontend - React, JavaScript # Software engineering (Backend) # Networking (Subnets, Firewall, Load balancing, VPN configurations) # Security and identity management # Monitoring and logging # Problem-Solving and debugging

Role: Fullstack Developer - Python & React Location: London (Hybrid; up to 3 days per week onsite) Salary: £45,000 - £65,000 (DOE) Clearance: Active SC We are partnering with a leading technology consultancy to find a Full-Stack Engineer for their public sector team in London. This is a brilliant opportunity for someone with 3 to 5 years of experience looking to master AWS serverless architecture. The Tech Stack Back End: Python (RESTful APIs, Microservices) Front End: React, TypeScript Cloud: AWS (Lambda, DynamoDB, SQS) Ops: CI/CD pipelines, Automated Testing, Git What You'll Do Design and maintain full-stack solutions hosted on AWS. Work with serverless technologies to solve complex public sector challenges. Participate in Agile ceremonies and work closely with DevOps and QA to ensure seamless delivery. Lead/participate in code reviews and troubleshoot issues across the entire stack. What We're Looking For You must hold an active SC Clearance. 3+ years of commercial experience with Python and React/TypeScript. Hands-on experience with AWS services (specifically Lambda, DynamoDB, SQS). Familiarity with AWS (specifically Lambda/DynamoDB).

Full Stack Developer - PHP/React Job Title: Full Stack Developer Location : Oxfordshire PHP - Laravel - JavaScript - React - MySQL - HTML - CSS - Git - We're working on behalf of a dynamic and growing business that's looking to bring a talented Full-Stack Web Developer into their tech team. This is a fantastic opportunity to join an organisation that values innovation, quality code, and collaborative problem-solving. If you're looking for a role where your contributions are genuinely valued and you can make a tangible impact, this could be the perfect fit. About the Role: As a Full-Stack Developer, you'll play a key role in building and enhancing both customer-facing and internal web applications. You'll collaborate closely with stakeholders to bring new features to life, improve performance, and maintain robust, scalable systems. There's also the opportunity to mentor junior team members and help shape the future of the development function. Key Responsibilities: Work with decision-makers to turn ideas and designs into functional, production-ready solutions. Develop new features and maintain existing systems across a suite of web applications. Drive website performance improvements, including page load times and responsiveness. Troubleshoot and resolve technical issues efficiently. Participate in sprint planning, task estimation, and project prioritisation. Support and mentor junior developers within the team. Essential Skills: Commercial experience with PHP (OOP), preferably using Laravel or Symfony. Strong front-end skills in HTML, CSS, and JavaScript. Experience with React in a must. Solid experience working with MySQL or similar relational databases. Some familiarity with cloud platforms used for web hosting and deployment. Comfortable using version control tools like Git. Analytical mindset with strong problem-solving abilities. Excellent communication and collaboration skills. Ability to manage workload independently across multiple projects. Basic knowledge of web analytics tools, such as Google Analytics. Full Stack Developer - PHP/React Job Title: Full Stack Developer Location : Oxfordshire PHP - Laravel - JavaScript - React - MySQL - HTML - CSS - Git -

Contract job - M365 SharePoint Developer -Galsgow Job Title: M365 SharePoint Developer (BPSS Eligible) Location: Glasgow Contract Duration: Until 31/12/2026 On Site Requirement: 2-3 days per week Day Rate: £320Clearance Role Overview We are seeking an experienced M365 SharePoint Developer with strong front end expertise to support the design, development, and maintenance of SharePoint applications across both SharePoint Online and On Prem environments. The ideal candidate will have approximately 8 years of relevant experience and a solid background in React and modern front end technologies. Role Summary The successful candidate will be responsible for designing, developing, customising, and maintaining SharePoint solutions that enhance collaboration, document management, and business process automation. Key Responsibilities Build and maintain SharePoint sites, applications, lists, libraries, and web parts. Customise SharePoint Online and SharePoint Server using SPFx, JavaScript/TypeScript, React, HTML, and CSS. Develop workflows, forms, and automation using Power Automate, Power Apps, and SharePoint Designer. Integrate SharePoint with third party and enterprise systems. Troubleshoot SharePoint issues and provide user support and training. Ensure platform performance, security, documentation, and adherence to best practices. Required Skills SharePoint Online and On Prem development SPFx, JavaScript/TypeScript, HTML/CSS, React Power Apps and Power Automate Experience with lists, libraries, content types, and permissions Proficiency in REST APIs, CSOM, PnP Strong troubleshooting capabilities and documentation skills Preferred Skills Experience integrating SharePoint with external systems Basic exposure to Power BI Understanding of Azure AD / Entra ID fundamentals Familiarity with CI/CD practices #

This is an exciting opportunity for a Senior UI React / Java Developer to contribute to innovative projects in the Financial Services industry. The role is based in London and focuses on delivering high-quality solutions within a collaborative technology department. Client Details The client is a leading global financial institution with a strong presence in the investment banking and capital markets space. They are known for their sophisticated front-office technology landscape and their commitment to building high-performance trading platforms that support complex, fast-moving Fixed Income markets. Description As the Senior UI React / Java Developer, you will: Lead front-end development for a new trading system within the credit space Build advanced, high-performance UI components for an eTrading platform Work with complex real-time data feeds using Java Configure and work with RFQ workflows and data points Collaborate with front-office technologists and trading stakeholders Contribute to architectural decisions in a modern, greenfield environment This role is not managerial - it's suited to a senior engineer who enjoys hands-on delivery and technical leadership. Profile Core Skills 10+ years' experience with JavaScript/TypeScript Expert-level React; Redux desirable Strong AG Grid experience (essential) 5+ years' Java (preferred over C#) Proven track record delivering greenfield platforms Trading Domain Expertise Significant front-office experience within investment banking Strong understanding of end-to-end trading lifecycle Solid knowledge of RFQ workflows Experience with low-latency trading or sales applications Fixed Income expertise is essential Wider asset class exposure (e.g., FX) is beneficial Job Offer Competitive daily rate of £750-1000, depending on experience. Temporary position offering flexibility and the chance to work in London. Opportunity to work on cutting-edge projects in the Financial Services industry. Engagement with a professional and innovative technology department. If you are a skilled Senior UI React / Java Developer looking for your next challenge, apply now to be considered for this exciting opportunity in London.

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title : Lead UI Developer / React Contract : Initial 12-Month Contract with potential to extend . Location : London (In office) Rate : £850 - £900 inside umbrella What You'll Do: As the Lead UI Developer, you will spearhead the development of our flagship Triforce Credit Project. You will be responsible for designing and implementing cutting-edge user interfaces that cater to front office e-trading applications. Your expertise will ensure that our software is not only highly functional but also delivers an exceptional user experience. Key Responsibilities: Lead the development of front office e-trading applications with a focus on low latency and performance. Collaborate with cross-functional teams to ensure seamless integration of UI components. Mentor and guide junior developers, fostering a culture of innovation and excellence. Stay up-to-date with industry trends and best practices to continually improve our UI strategies. What You Bring Deep Expertise: A proven track record of delivering complex, enterprise-grade front-office e-trading systems in high-pressure, real-time environments. Technical Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission-critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping robust UI architectures used in demanding trading workflows. Back-End: Strong working knowledge of Java, capable of contributing effectively to full-stack solutions when required. Industry Insight: A comprehensive understanding of the full trading lifecycle within investment banking, particularly across Fixed Income or FX, with the ability to navigate front-office workflows and trading system behaviours at a granular level. Why Join Us? Innovative Environment: Be a part of a team that thrives on creativity and innovation, where your ideas will be valued. Career Growth: Opportunities for professional development and career advancement are abundant. Impactful Work: Contribute to projects that directly influence the efficiency and effectiveness of trading operations in the financial sector. Collaborative Culture: Work alongside talented professionals who are passionate about technology and finance. Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.

Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible) £45,000 - £50,000 + Benefits OOP, PHP, Laravel My client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure. Following recent growth and their migration to AWS, they're investing heavily in modernising their platform and building new products. I'm now looking for a Backend Developer to join their agile team and play a key role in shaping the future of their technology. The Role This is a hands-on backend role with real ownership. You'll work across both: Stabilising and improving existing Laravel-based systems Designing and building new SaaS products using a modern tech stack You'll act as the backend authority within a small, collaborative team, working closely with a Frontend Developer and Senior UX/UI Designer. What You'll Be Doing Design & Development Build and maintain scalable SaaS applications Develop clean, well-structured backend systems using modern Laravel Design and implement robust RESTful APIs for a React frontend Architecture & Ownership Own backend architecture and code quality Design multi-tenant database structures Apply best practices (service patterns, Eloquent optimisation, clean architecture) System Optimisation Improve performance and reliability of legacy systems Handle complex data migrations Proactively enhance system security Cloud & DevOps Help modernise systems using AWS managed services Maintain and improve CI/CD pipelines Support automated, reliable deployments Collaboration Work closely with frontend and UX on product development Contribute to product discovery and backlog shaping Participate in Agile/SCRUM ceremonies (Jira) Key Technical Requirements 3+ years commercial experience in backend development Strong PHP (8.x) and deep Laravel expertise Solid PostgreSQL experience (schema design, optimisation) Experience building APIs and integrating with frontend frameworks (ideally React) Strong understanding of Agile/SCRUM and TDD Nice to Have Experience with AWS and infrastructure modernisation CI/CD pipeline design and management Exposure to AI tooling (e.g. GitHub Copilot, Claude) Experience with agentic AI systems Familiarity with Figma workflows Interested in this position? Send your CV to

Avanti Recruitment is working with a software company based in Oxfordshire that is looking for a Graduate or Junior Java Developer. The company has been running for over 20 years and their software has helped to redefine the financial reporting landscape. They are working with some of the world's largest regulators and enterprise organisations such as HMRC, the Bank of England, and Barclays. They currently work across 26 different countries, and in the UK alone, their technology has processed over £2 trillion in UK taxes. You will be working on a Java Microservices-based platform which will be delivering applications to a range of customers around the world. You will be working with Java as the main language, however you will also use C#, TypeScript and React for the front-end development and built on Kubernetes. Skills required: Strong Java experience 2:1 or above in Computer Science degree Desirable: Kubernetes C# TypeScript / Frontend experience Commercial experience within the financial sector Ideally have 1-3 years of commercial experience Interview process: 30 minute video call, includes a technical challenge in addition to CV discussion 60-90 minute interview (on-site), this will consist of a programming exercise on a whiteboard and a broader discussion of your aspirations and ambitions The company operates a hybrid working model with 3 days in the office per week with 2 days from home. The salary range for the role is £35,000 - £45,000 (DOE) + discretionary bonus. If you would be interested in finding out more, then click Apply Now!

Full Stack Developer C#, .Net Core, React Hybrid - Poole, Dorset (1 / 2 days per week in the office) £40,000 - £50,000 We're looking for a Full Stack Developer with demonstrable Front-End skills to join an agile software team and help build innovative, life-critical SaaS solutions for a global security company. You'll play a key role and be involved in all aspects of the Software Development Life Cycle (SDLC) including design, development, testing, deployment, release, and monitoring of applications. What You'll Do Contribute to both frontend and backend development across the full stack using .NET and React with TypeScript. Collaborate with Stakeholders, Designers etc to translate business requirements (e.g. Figma designs) into performant, accessible, and responsive user interfaces using React. Champion high standards of frontend development, including reusable components, clean architecture, and consistent styling practices. Take part in a critical IT incident on-call support rota. Required Skills: Strong experience with C#, .NET Core Frontend expertise with React Solid understanding of HTML, CSS, and JavaScript/TypeScript, with a focus on responsive and accessible UI development. Knowledge of component-based architecture and frontend best practices. Experience with MS SQL and Entity Framework. Familiarity with MVC architecture and RESTful APIs. Experience using version control systems (e.g., Git). Understanding of Test Driven Development (TDD) and automated testing approaches. If you have the relevant skills for this role and are ready for the challenge, then please send your CV to

Front End Developer Luton (Hybrid one office day a week) JavaScript / TypeScript / Web Components This is a brand-new role sitting within a tight-knit team of 5, as part of a wider engineering function of 17 giving you the best of both worlds: real ownership, but plenty of support around you. You'll be joining at an exciting time, working on the development of several brand-new systems from the ground up . I t's very much greenfield work , not BAU so a great opportunity to shape how things are built, influence technical decisions, and have a genuine impact from day one. We're working with a team building modern, scalable web applications and they're looking for a strong frontend engineer who enjoys working close to the browser, not hidden behind heavy frameworks. This is a great role for someone who really understands JavaScript / TypeScript and likes building clean, reusable UI from the ground up. What you'll be doing Building modern web clients using Web Components (Lit) Creating modular, reusable UI components Integrating with backend services via GraphQL / REST APIs Working on fast, responsive, and maintainable interfaces Contributing to technical decisions and overall architecture What they're looking for Strong TypeScript / JavaScript experience Experience building SPA applications Good understanding of modern frontend tooling (ideally Vite , but similar is fine) Experience integrating APIs (GraphQL or REST) Solid fundamentals across HTML, CSS, and browser behaviour Nice to have (but not essential) Experience with Web Components / Lit Exposure to frameworks like React or Vue Familiarity with tools like RxJS, Postman, Swagger Any experience with SSO (e.g. Keycloak, Entra ID) is a bonus, not a must It's a genuinely interesting environment for someone who wants to move beyond framework-heavy frontend and work with modern, performant web tech. The role offers very good flexibility with just one day a week in the office, but you can choose to go in more frequently if preferred. For further details and to apply, please send your CV to Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter and LinkedIn - Circle Recruitment.

Lead Full Stack Java Developer - SC Cleared NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE Location: London (Hybrid) Salary: £80,000 - £95,000 per annum Clearance: Active SC Clearance required To apply: email The Company Join a specialist technology consultancy delivering complex, mission-critical projects across UK Government and national security sectors. You'll be part of a collaborative, engineering-focused environment where innovation, reliability, and technical excellence drive everything they do. Their teams work closely with public sector clients to design, build, and modernise secure systems that underpin national operations - tackling some of the most demanding challenges in government technology. The Role As a Lead Full Stack Java Developer , you will guide a small team of engineers while remaining hands-on in the design and development of high-performance, secure applications. You'll play a key role across the full software lifecycle - from architecture and development to deployment and continuous improvement - ensuring solutions meet stringent performance and security standards. You'll work in a dynamic environment, collaborating with architects, DevOps specialists, and delivery leads to drive best practices and technical excellence across projects. Key Responsibilities Lead a team of developers delivering scalable, secure full-stack solutions for critical government systems. Design, build, and maintain Java-based back-end services and modern front-end interfaces. Collaborate with architects and technical leads to define system design and integration patterns. Ensure code quality, maintainability, and performance through code reviews and mentoring. Contribute to DevOps pipelines and CI/CD practices in secure environments. Champion engineering best practices and continuous improvement within the team. Skills & Experience Essential: Active SC Clearance (or eligible and willing to undergo clearance). Strong Java and Spring Boot development experience. Proven experience delivering full-stack solutions (e.g. React, Angular, or Vue). Good knowledge of microservices , RESTful APIs , and containerisation (Docker/Kubernetes). Experience working with AWS or other cloud environments. Understanding of secure software design and deployment in government or defence contexts. Excellent communication, leadership, and mentoring skills. Desirable: Experience with CI/CD pipelines (e.g. Jenkins, GitLab CI). Familiarity with infrastructure-as-code (Terraform, Ansible). Exposure to Agile and DevSecOps delivery models. Why Apply? High-impact work on systems that directly support UK Government missions. Technical autonomy and input into architecture and design decisions. Collaborative culture with a focus on professional growth. Competitive salary and comprehensive benefits package. If you're an experienced Full Stack Java Developer with SC Clearance who thrives on tackling complex challenges and leading technical teams, this is a chance to make a meaningful impact on projects that truly matter. Apply now to discuss this opportunity in more detail.

Frontend Developer - eDV Cleared New Opportunity in Manchester for Frontend Developers who want to work on mission-critical, operational projects Can be Manchester, Bury or Harrogate based Must hold enhanced DV Clearance for high-side IT access Up to £75,000 + Benefits Clearance bonus + company bonus To apply, email: or call: Are you ready to contribute to some of the most ambitious and critical digital programmes in the UK Defence & Security sector? We're expanding our team of DV Cleared technologists to help design and deliver next-generation solutions that keep our nation secure. The Opportunity As a Front-End Developer, you'll play a key role in building intuitive, high-performance user interfaces for secure government and defence systems. You'll collaborate with designers, back-end developers, UX specialists, and client teams to deliver innovative digital services that combine the latest technology with the unique requirements of Defence environments. This is a hands-on technical role for someone who's passionate about modern web development, user experience, and crafting elegant, reliable front-end solutions. Key Responsibilities Develop high-quality, responsive, and accessible web applications using HTML, CSS, and JavaScript . Build interactive, user-focused front ends using modern frameworks such as React , Angular , or js . Collaborate closely with designers and UX experts to translate wireframes and prototypes into production-ready code. Optimise applications for performance, scalability, and cross-browser compatibility. Work with back-end teams to integrate front-end functionality with APIs and data sources. Conduct testing, debugging, and peer code reviews to ensure clean, maintainable code. Stay current with front-end trends, tools, and emerging technologies to continuously improve delivery practices. Contribute to technical discussions and process improvements across the wider engineering community. About You You're an experienced Front-End Developer who takes pride in writing clean, efficient code and delivering exceptional user experiences. You thrive in collaborative environments, value attention to detail, and enjoy solving complex challenges with creativity and precision. You should have: Active UK Enhanced Developed Vetting (eDV) clearance . Proven experience developing responsive web applications using modern JavaScript frameworks. Strong understanding of UI/UX principles , responsive design, and accessibility standards. Experience with version control systems (Git) and front-end build tools such as Webpack or Gulp . Excellent problem-solving and debugging skills. Strong communication skills and a proactive, collaborative mindset. A passion for continuous learning and technical excellence. Why Join You'll be joining a high-performing engineering team working at the intersection of innovation, technology, and national security. Expect challenging projects, modern technology stacks, and an environment that values technical growth, creativity, and real-world impact.

If you are a Full Stack Developer with strong UI experience, we have a new 1-year FTC we'd like to discuss with you. This role would be ideal for someone with 3-5 years' experience and requires 3 days per week onsite in The City of London. About the Company A leading global financial services firm specialising in electronic trading and liquidity solutions is undergoing a significant technology transformation. With an established presence across major financial hubs, the business works with top-tier institutional clients and is investing heavily in modernising its trading platforms and infrastructure. This is an opportunity to join a high-performing, collaborative technology team working on cutting-edge, real-time systems within a fast-paced environment. The Role We're looking for a mid-level Full Stack Developer with strong front-end expertise to play a key role in delivering next-generation trading applications. You'll join a small Agile team, working closely with both technology and business stakeholders on greenfield and enhancement projects, with a particular focus on real-time UI development. This role would suit someone who thrives in a dynamic environment and enjoys building high-performance, user-centric applications. Key Responsibilities Translate user stories into scalable, high-quality technical solutions Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives Design, build, test, and deploy applications within a microservices architecture Develop responsive, real-time front-end interfaces for trading workflows Build proof-of-concepts (PoCs) and UI prototypes to support business requirements Write and maintain integration tests as part of the development lifecycle Collaborate with cross-functional teams to deliver key milestones Provide support for production systems when required Technical Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis) Experience with Azure DevOps / CI/CD pipelines / Git Working knowledge of SQL and NoSQL databases Experience with cloud platforms (Azure or AWS) Desirable: Experience with containerisation (Docker, Kubernetes) Knowledge of financial systems or trading platforms Exposure to FIX protocol Understanding of asset classes such as FX, derivatives, or similar Qualifications & Experience Degree in Computer Science, Engineering, or a related field 2-3 years' experience in full stack or front-end development Prior experience working on data-driven or real-time UI applications preferred Exposure to Agile delivery environments Key Attributes Proactive and self-motivated, with the ability to work independently Comfortable working in a fast-paced, evolving environment Strong attention to detail and quality Effective problem solver with a pragmatic approach Collaborative team player with strong communication skills

.Net Developers ( C# / React / Azure ) Hybrid - Near Abingdon / Oxford & WFH Circa £30,000 - £45,000 + Bonus and good benefits A fantastic opportunity for Junior and Midlevel .Net / C# Developers who are interested in joining a thriving software solutions company near Abingdon in Oxfordshire. These hybrid positions offer great flexibility, with the option to work from home three or four days a week, making it much easier to balance your professional and personal life. The company is part of a leading software solutions group, developing and hosting a wide range of web-based products using Microsoft technology. This role is perfect for those comfortable working across both backend and frontend, and looking to advance their careers in a friendly, supportive, and collaborative environment. Key responsibilities include designing, developing, and maintaining applications using .NET and React, building and consuming APIs, integrating with third-party services, collaborating with product owners and fellow developers on high-quality features, writing clean and well-tested code, participating in code reviews, troubleshooting and resolving issues, and working with AI to implement automation. We're looking for candidates with strong experience in .NET (C#) and web APIs, as well as frontend development using React. A solid understanding of RESTful services and modern web architecture is important, along with good problem-solving skills and attention to detail. The ideal developer is proactive, takes ownership of their work, enjoys collaborating with others, and is eager to learn and improve. Strong communication skills are a must. Experience with Azure or other cloud platforms, and microservices or event-driven architecture, would be a bonus but isn't essential. If you're looking for an innovative company that values professional development and offers genuine career growth, this could be the perfect role for you. The salary is competitive, ranging from £30,000 to £45,000 depending on experience, plus bonus, company pension, generous holiday entitlement, and other attractive benefits. For further information, please send your CV to Wayne Young at Young's Employment Services Ltd. YES are operating as both a recruitment Agency and Recruitment Business.

Front End Developer (SC Cleared) Location: Ipswich (100% On-site) Contract Length: 6 Months Security Clearance: Active SC Clearance Required (Immediate Start) The Role We are seeking a highly skilled Front End Developer with a strong software engineering background to lead the modernization of our application suite at Adastral Park. This is a hands-on role where you will be responsible for transitioning existing applications to a TypeScript and React baseline, utilizing our established internal boilerplate to drive security, performance, and development efficiencies. As a key contributor in an Agile environment, you won't just be coding; you will be the bridge between technical execution and product vision-capturing requirements directly from Product Owners and translating them into high-quality, version-controlled software. Core Objectives Modernization: Align legacy applications with our current TypeScript/React baseline and internal standards. Security & Efficiency: Enhance application security protocols and streamline front-end performance. End-to-End Delivery: Manage the full development lifecycle, from requirement capture in JIRA to final stakeholder demos. Agile Leadership: Drive sprint ceremonies and maintain transparency through regular progress demonstrations. Key Responsibilities Technical Audit: Assess and document the current state of existing applications to identify rewrite constraints. Requirement Engineering: Collaborate with Product Owners to define features and break them down into actionable JIRA stories. Development: Execute the re-write of applications using React and TypeScript, ensuring strict adherence to version control and coding standards. Collaboration: Participate in all Agile ceremonies (stand-ups, retrospectives, and planning) and lead demos for stakeholders. Documentation: Ensure all technical documentation is updated to reflect the new architecture and deployment workflows. Technical Requirements Core Stack: Expert-level proficiency in React and TypeScript . Engineering Excellence: A deep background in software engineering principles (DRY, SOLID, Modular Design). Tooling: Experience with JIRA for task management and Git for version control. Standardization: Proven experience working with "Boilerplate" architectures to ensure consistency across large-scale projects. Process: Strong familiarity with Agile methodologies and the full SDLC. Mandatory Criteria Security Clearance: You must hold current and active SC Clearance due to the nature of the site and data. On-site Presence: This role requires being on-site 5 days a week at Ipswich. No remote/hybrid options are available for this initial 6-month term. Availability: Immediate start preferred. Randstad Technologies is acting as an Employment Business in relation to this vacancy.