36 jobs found

Senior Full Stack Developer Mode of working: London- 3 days onsite Type of Employment: Permanent Interview Format: 1. Live coding+ 2 interview rounds. The Senior Full Stack Developer Role As a Senior Full Stack Developer , you will design and deliver end-to-end application solutions using cloud platforms such as Azure, AWS or GCP, alongside modern technologies including NoSQL databases, Python, React, TypeScript and DevOps tooling. You will work on cutting-edge projects, develop scalable applications and collaborate with cross-functional teams to deliver high-quality solutions. Senior Full Stack Developer Key Responsibilities: Own the end-to-end architecture across front-end, back-end, APIs, data and system integrations. Define reference architectures, technology standards and design principles for development teams. Make strategic technical decisions balancing scalability, security, cost efficiency and delivery speed. Design and develop accessible, secure and scalable front-end applications using React and TypeScript. Establish standards for state management, authentication flows and UI/UX consistency. Architect back-end services using Node.js or Python, including REST APIs and event-driven patterns. Apply microservices principles, resiliency patterns and fault-tolerant design. Model and manage relational and NoSQL databases such as MongoDB and Postgres, including caching and data access strategies. Architect cloud-native solutions on AWS, Azure or GCP, incorporating CI/CD pipelines and Infrastructure as Code. Build for high availability, disaster recovery, cost optimisation and embedded observability. Apply secure coding practices and design robust authentication, authorisation and data-protection models. Ensure compliance with enterprise security policies and regulatory standards. Senior Full Stack Developer Essential skills / knowledge / experience: Hands-on experience in software development and solution architecture. Deep expertise in Azure, AWS or GCP cloud services. Strong background in backend development (TypeScript, React, Node.js, Python), REST APIs and microservices. Experience working with NoSQL databases such as MongoDB or Postgres. Proficiency with CI/CD pipelines, Infrastructure as Code and DevOps practices. Excellent communication and presentation skills, with the ability to articulate complex concepts clearly. Familiarity with AI/ML integration and secure cloud architecture is an advantage.

We have an exciting opportunity for a Graduate Full Stack Developer to join a growing software house on a three-month internship, with the potential of this role going permanent. Our client is UK based AI transformation company pioneering a new category. This is combining AI Systems, modular software and strategic execution into deployable solutions for enterprise clients. The Project: Working on a greenfield build on Ms Azure, the successful candidate will focus on building a secure, scalable platform from the ground up. The system will support complex workflows, secure data management and multi - organisation collaboration within a regulated environment. The team is intentionally small (architect + senior engineers), so we're looking for developers who are comfortable taking ownership across the stack rather than working in highly siloed roles. Responsibilities: Strong full stack engineering capability (Back End-heavy preferred) Build React frontends and Python (FastAPI) backends Experience building APIs and scalable web platforms Modern Front End frameworks (React or similar) Create and manage PostgreSQL databases and containerised microservices Cloud experience (Azure preferred, AWS acceptable) Comfortable working in a small, fast-moving engineering team Preferred Backgrounds: Computer Science Experience with programming in Python Experience with creating and managing SQL & PostgreSQL databases. Azure cloud experience advantageous. This is an opportunity for engineers who enjoy building platforms from the ground up rather than maintaining Legacy The client is offering interviews this week. This role is fully remote.

Senior Python Developer (Contract) 600 - 700 PD (Inside IR35) 6 Months Contract London Hybrid Overview We are seeking an experienced Lead Python Software Engineer. You will lead the technical architecture and delivery , ensuring reliable system synchronisation, improved data consistency, and scalable solutions for an amazing brand. Role & Responsibilities Lead the architecture and technical delivery of the solution Develop backend services and APIs , with occasional frontend contributions where needed Implement reliable system integrations and data synchronisation Work within established architecture patterns and engineering standards Collaborate with engineers, product managers, and other stakeholders Communicate technical decisions clearly and maintain high engineering standards Essential Skills & Experience Strong experience with Python and TypeScript Strong AWS experience (ECS, Lambda, Step Functions, API Gateway) Experience managing infrastructure with Terraform Proven experience architecting and delivering software solutions Experience integrating with third-party APIs or vendor systems Experience with data synchronisation or complex system integration Strong communication skills and ability to work effectively within existing teams Desirable - React / Next.js frontend experience

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector by leading the next generation of Maritime Domain Awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners. SRT is an exciting company where high-quality results are rewarded. We are ambitious and constantly seek to innovate in order to deliver better products and services to our customers. We strive to make SRT a rewarding and challenging place to work, where talented, hard-working individuals have the opportunity to make a real impact across the marine industry. Role overview of our Senior Software Tester As a Senior Software Tester you will work on the continued build of our Marine Domain Awareness (MDA) platform which is used to create an operational picture of maritime activity. Our systems ingest large volumes of streaming data from both satellite and terrestrial, along with other sensor sources. You will play a key role in validating the behaviour of a distributed, event-driven system operating on real-time maritime data. Testing activities include both automation and manual testing. The role of Senior Software Tester role is a hybrid working position based from our Cardiff office, you will be required to attend office 1 day per week as per the team's requirements. How We Work Sprint Work Developmenttickets move across the Jira board through the delivery workflow Tickets reaching the Test stage are assigned to a tester Testers validate functionality using a mix of automated and manual testing approaches QA Release Cycles Every six weeks, we conduct a dedicated two-week QA phase where: Testers pause normal sprint board work The focus shifts to release-wide regression testing Both manual and automated test suites are executed to validate the full platform Senior Software Tester - Responsibilities (not exhaustive): Test new features and improvements delivered during sprint cycles Design, implement, and maintain automated tests, along with the execution of manual exploratory and regression testing when required Validate message-driven workflows across distributed services Test REST API endpoints supporting CRUD operations within the system Participate in release regression cycles and help validate production-ready builds Investigate issues, reproduce defects, and provide clear bug reports Work closely with developers and product teams to clarify requirements and ensure testability Senior Software Tester - Required Skills and Experience Strong experience as a software tester or QA engineer Experience testing complex distributed systems or backend platforms Experience creating automated tests Familiarity with tools such as Postman (or similar API testing tools) Ability to write test scripts using one or more scripting languages (e.g. Python, JavaScript, Bash) Ability to understand system behaviour through logs, messages, and APIs Strong debugging and problem-solving skills Experience working within Agile / Scrum teams Familiarity with Jira or similar issue-tracking tools Company Benefits Highly Competitive Salary and Pension Hybrid Working Development opportunities SRT Marine Systems plc are an equal opportunity employer. We are committed to creating an inclusive working environment for all employees and actively encourage applications from all sectors of the community.

Senior Software Engineer - Bazel / Java We are seeking a collaborative and curious backend Engineer to help drive and develop the next generation of developer infrastructure and tooling as we establish a unified, robust and scalable monorepo ecosystem for all engineers at Spotify This role helps to support VCS and CI systems in addition to a Fleet Management product for helping developers at our client manage large scale software changes. In the last year, we have invested a huge amount of time and effort into the next steps of that and our migration towards monorepos. The role is located in our Platform Developer Experience (PDX) R&D Studio. The PDX R&D Studio oversees and owns cross discipline infrastructure that cuts across all engineering at our clent including our VCS, CI systems and beyond. YOU MUST HAVE EXPERIENCE WITH BAZEL TO BE CONSIDERED FOR THIS ROLE Role Duties Bring your experience and knowledge of working with Bazel and scaling monorepos to millions of lines of code to help us rethink the future of backend engineering at Spotify Help us migrate to, in addition to own and maintain Bazel and any related abstractions built to improve the developer experience Collaborate with our adjacent infrastructure teams across the company to develop what a best in class monorepo experience means Essential Skills Strong passion for making developers highly productive Experience developing and maintaining tools for large monorepo-based codebases Excellent problem solving skills Experience working with the Bazel build system and its ecosystem (e.g: rulesets such as rules_jvm_external, IntelliJ Bazel plugin, etc.) Fluency in Java, Python, Starlark and TypeScript This contract role can be worked fully renmotely but you must be based in the UK. I have interview slots ready to be filled so dont delay and apply ASAP to be considered. Randstad Technologies is acting as an Employment Business in relation to this vacancy.

If you are a versatile and highly skilled S enior Cloud & Full Stack Engineer ready to work, support and advance this UK leading companies modern application ecosystem, then please, do read on! This role requires strong expertise across cloud infrastructure, backend microservices, frontend development, and legacy system support. The ideal candidate will possess comprehensive skills in all these areas, ensuring a well-rounded and robust contribution to our technology landscape. Duration : temporary contract for 3-6months or so This is a paid per hour PAYE temporary role Rate of Pay PH: 33-43ph plus holiday pay (circa 60-80,000 if salaried) Location: hybrid. Need to work in the office in Central Bedfordshire for meetings, reviews and handovers, which will be once a week or so. Hours : 35 hrs per week 9am-5pm (1 hr lunch) Days: Mon-Fri Benefits: - free parking - electric vehicle charge points - holiday pay accrual - wfh most of the time - pension after a qualifying period Key Responsibilities Design, build, and maintain AWS infrastructure-as-code deployments using Terraform and related tooling. Manage and optimize serverless microservices, including Lambda functions, API Gateway, and Amplify-hosted applications. Support and enhance Python-based Lambda microservices and Node.js backend components. Maintain and develop React-based front-end applications, including complex UI components and dynamic API integrations. Oversee database administration for MySQL/RDS Apply strong security best practices across infrastructure, applications, and data flows. Provide maintenance and incremental improvements to legacy .NET applications where required. Produce and maintain clear technical documentation for infrastructure, services, and processes. Collaborate effectively with cross functional teams through strong communication and teamwork. Core Technical Skills (Primary Focus & Essentials/Nice to have) AWS (essential) IaC & Terraform Python (essential) for Lambda microservices Node.js backend development (essential) MySQL/RDS administration (essential) React, HTML, CSS, and AG Grid API Gateway & dynamic API integrations Documentation and communication excellence ( essential) AWS Amplify workflows Legacy .NET application support Ideal Candidate Profile Comfortable working across cloud infrastructure, backend services, and front-end applications. Able to take ownership of systems end-to-end, from architecture to deployment. Strong documentation habits and the ability to communicate clearly with technical and non?technical stakeholders. A collaborative mindset with a focus on team alignment and shared problem?solving. Eager to learn new technologies and expand into unfamiliar areas. Excellent communication skills and a proactive approach. Proven relevant experience, 3 years or more. Eligibility to work in the UK on a full time basis (please, no student visas as it will not cover the duration of the hours/contract) Ideally, a driver as the location of the office is not close by any public transport links This is to start asap. So if you are this amazing, talented Cloud & Full Stack Engineer, then please send your cv to James Newbury Appointments for immediate review. If you do not hear back within 3 working days, unfortunately, you will not have been shortlisted on this occasion, however ,we would like to thank you for your interest and wish you all of the very best in your search.

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 6-8 years commercial experience with Node, JavaScript or TypeScript Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute to backend services and APIs (Python or Laravel-based) Help re-platform and migrate to a modern stack Collaborate cross-functionally with UX, Product, and DevOps What We Offer: A supportive environment that encourages professional growth and continuous learning. An inclusive, collaborative culture within one of the UK's leading business services providers. A competitive salary and benefits package. 49904MS INDLON Portfolio Payroll Ltd is acting as an Employment Agency in relation to this vacancy.

Senior Front End Developer / Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for the past 10 years and has ambitious growth plans. As a Senior Front End Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on client dashboards and portals using React, there's approximately 70-80% Greenfield development. You'll collaborate with backend engineers to build complex financial products in a technology driven environment with lots of learning and self development opportunities. Location / WFH: You'll join the team in Central London three days a week with flexibility to work from home the other two days. About you: You have a strong knowledge of software engineering best practices and Computer Science fundamentals such as OOP, Data Structures, Design Patterns You have expertise with React and strong TypeScript skills You have experience with data visualisation and have worked on complex systems You have a good understanding of financial markets, ideally with experience in a similar Fintech environment You have an appreciation of APIs and Python backend systems You're degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior Front End Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme Summer time hours £2k personalised training budget Apply now to find out more about this Senior Front End Developer / Engineer (React TypeScript Data Visualisation) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Developer, Full Stack (Next.js, React Native) I'm working with a fast-paced, tech-focused, global technology platform that's undergoing a multi-year transformation program to revolutionize its B2C services. Backed by substantial investment and part of a financially stable group, this company is embarking on a multi-year transformation program, making now the perfect time to join their journey. Location: Hybrid - 2-3 days per week in London Salary: £80,000 - £85,000 Type: Full-Time, Permanent Why This Role? Global Impact: Operating in key markets across the UK, US, Australia, and Europe, with significant backing. Exciting Transformation: Recently redesigned their platform. Join at the start of an ambitious growth phase, a cutting-edge, automation-first approach. Culture of Innovation: Work in a fast-paced, start-up-like environment with a strong focus on employee wellbeing and collaboration. What you will do Develop and maintain web applications that serve global marketplaces. Creating B2C/B2B experience on their web application. Cross functional collaboration to design and implement user-friendly interfaces. Optimizing application performance and ensure responsiveness across various devices. Working with overseas internal development team for knowledge transfer, reviewing code to help and guide other engineers. Ensuring best practises working in an Agile/Scrum/Kanban environment. Requirements Proficiency in React, React Native, and Next.js is a strongly required. Proficiency in Frontend technology i.e. Javascript, Typescript, HTML, and CSS. Familiar with RESTful APIs and GraphQL Experience with Backend such as Python and mySQL or similar. Experience architecting web applications and supporting underlying CI/CD platforms. Consider the reusability of code, components, and module development while writing code. Experience mentoring junior engineers. Understands testing such as Vitest, React Testing Library and Playwright. Experience working in AWS. You have a Start-up mentality.

Backend Software Engineer / Developer (Rust HFT) London / WFH to £180k Do you have expertise with backend software engineering within trading / finance environments? You could be progressing your career in a senior, hands-on Backend Software Engineer at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Backend Software Engineer you will design and develop backend services for real-time risk, pricing, trading engines and market making systems, working across the full software development lifecycle using Rust. You'll collaborate with a small, talented team, collaboratively problem solving and working on complex and challenging systems with interesting work and huge bonus earning potential. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python) You have commercial Rust development experience You have experience of working on high throughput, low latency trading systems You achieved a 2.1 or above in Computer Science from a top tier university You are collaborative and pragmatic with great communication and stakeholder management skills, also with some leadership or mentoring experience What's in it for you: As a Senior Backend Software Engineer you will receive a competitive package: Salary to £180k Bonus (c50% of base) Pension Hybrid working Career progression Apply now to find out more about this Senior Backend Software Engineer / Developer (Rust High Frequency Trading) opportunity. Ref: PR/100228/B/KS At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division. As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, you d be working on their market-leading insurance application, used by some of the largest London Market and International insurers to assess over £200bn in reserves. Your key focus will be: Leading the design and development of new product features, providing a holistic approach to design Driving better integration between their C# and Python codebases, rewriting and restructuring code where needed to improve cohesion Address any performance bottlenecks and optimise performance of complex data workflows Championing best practice and guiding the junior team members What they re specifically looking for: C# development experience (.Net 8) with production-level proficiency Data engineering data-intensive application experience Python Azure PaaS / SaaS tools (eg. Azure Functions, App Services, Batch, Blob/Table/Queue Storage) Excellent problem-solving skills Why join them: It s an entrepreneurial environment pushing the boundaries, harnessing technology to enable more efficient analytics. A true people-first employer where you ll be supported to learn and develop your skills in a collaborative, innovative environment. Hybrid working (2 days a week in their London office), discretionary bonus, enhanced pension, private medical insurance, superb wellbeing services and much more

Python Software Engineer / Developer (Azure Databricks FastAPI) London to £90k Are you a data centric Python Software Engineer? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. As a Python Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO and will model data for a variety of purposes. You'll also collaborate with the Infrastructure team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python software engineering skills You have a good understanding of working with data at scale and strong SQL skills (PostgreSQL, SQL Server and Databricks) You have experience of building FastAPIs You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP You're collaborative and pragmatic with great communication skills What's in it for you: As a Python Software Engineer you will receive a competitive package: Salary to £90k + bonus 25 days holiday Private Medical Insurance (including dental and optical cashback) Life Insurance, Income Protection Pension Subsidised gym membership X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Python Software Engineer / Developer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: 80,000- 120,000 + Benefits Investigo are partnered with an innovative AI technology company at the forefront of the video intelligence industry. They're on a mission to transform the way businesses leverage video data through next-generation, AI-powered solutions, and they're looking for a Senior Front-End Engineer to help shape and deliver their cutting-edge platform. This is an opportunity to join a VC-backed, high-growth scale-up where you'll work alongside world-class engineers and product specialists from some of the most recognised global tech companies. You'll be designing, high-performance applications used by organisations across multiple industries, including healthcare, logistics, education, and hospitality. The Role Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform. Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience. Build and maintain a reusable component library to ensure consistency and quality across the platform. Contribute to frontend architecture decisions and help define technical best practices for the team. Optimise performance and ensure applications are reliable, maintainable, and efficient. Skills & Experience Strong experience in modern frontend development , ideally with React and TypeScript (or similar frameworks). Proven ability to deliver high-quality, user-focused applications with an emphasis on performance and scalability. Experience working with component libraries (e.g. Storybook, Material UI, Chakra UI, or similar). Familiarity with frontend state management tools and data-fetching frameworks. Exposure to backend or cloud technologies (e.g. Python, AWS, databases) is highly beneficial. Comfortable leading large-scale frontend projects, setting coding standards, and mentoring other developers. Strong communication skills to collaborate effectively with designers, engineers, and stakeholders. What's on Offer Equity options, opportunity to join early and share in the company's success 100% company-paid dental & vision insurance Work on cutting-edge AI-driven solutions alongside a world-class engineering team If this sounds like your next challenge, please apply online or email me directly at (url removed).

Lead Full-stack Developer Location: Holborn, Central London (Hybrid) Job Type: Full-time Direct Reports: x5 Senior Developers Reporting to: Head of AI & Technology An exciting new permanent opportunity has become available for a Lead Full-stack Developer, to join a juggernaut organisation in the recruitment industry. A highly dynamic, ambitious and fast-growing team dedicated to transforming the recruitment landscape through AI-driven, human-centered technology. This is a pivotal role where you will lead a team of 5 Senior Developers, focusing on hands-on coding and providing technical leadership underneath the guidance of the Head of AI & Technology. Day-to-day of the role: Lead and mentor a team of 5 Senior Developers, maintaining a hands-on approach with coding and problem-solving. Oversee the end-to-end delivery of features, ensuring the software is scalable, speedy, and of high quality. Architect, develop, and maintain core components of our SaaS platform: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS/NodeJS Integrate AI tools, APIs, and data pipelines to enhance platform intelligence. Promote engineering best practices such as testing, CI/CD, and secure coding standards. Conduct code reviews and provide technical mentorship. Collaborate with the Head of AI and Technology to align development priorities with business objectives. Foster a culture of collaboration, continuous learning, and high performance. Troubleshoot and resolve complex issues, ensuring platform reliability and uptime. Required Skills & Qualifications: 10+ years of commercial software development experience, with at least 5 years in a lead developer role. Proven track record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP). Excellent communication skills, capable of motivating and aligning technical teams. Desirable: Experience with AI tools, APIs, ML pipelines, containerisation (Docker/Kubernetes), event-driven architecture (Kafka/RabbitMQ). Benefits: Hybrid working model (minimum 3 days a week in office) 25 days annual leave plus bank holidays Flexible holiday scheme Contributory pension scheme Enhanced family leave benefits Insurance benefits including life assurance Regular events and discounts at gyms and popular retailers Wellbeing and mental health support Vibrant office location in Holborn with numerous amenities nearby To apply for the Lead Full-stack Developer position, please submit your CV and cover letter detailing your relevant experience and why you are interested in this role.

Senior Backend Developer Capital Pay Software Solutions Ltd Promoting world class payment solution systems to global audiences Capital Pay Software Solutions Ltd is advancing its capabilities by enhancing its Payment Aggregator Platform. This strategic initiative is crucial to our international operations, designed for optimal flexibility and adaptability across diverse markets. We are seeking highly skilled and motivated professionals to strengthen our expert team. If you excel in a dynamic environment and are dedicated to developing secure and scalable FinTech solutions, we encourage you to connect with us. Join Capital Pay International in driving innovation in the global payment landscape. We are seeking a Senior Backend Developer with extensive experience in the FinTech industry, specifically in building secure and robust solutions. The ideal candidate will be a technical leader, capable of designing and implementing the core architecture of our payment aggregation platform. Key Responsibilities: Lead the design and development of the core backend architecture, including the API gateway, transaction management layer, and merchant management layer. Select and implement appropriate technologies from our stack, which includes python, Node.js, or Jave for programming languages; Django, Express.js, or Spring Boot for frameworks; and PostgreSQL or MySQL for transactional date, with Redis for caching and session management. Design and implement robust security measures, including AES-256 encryption for sensitive data, TLS for secure communication, and OAuth/JWT for authentication and authorisation. Ensure the platform is compliant with PCI-DSS, GDPR, and other relevant data protection regulations. Integrate multiple payment gateways (Capital Pay, Stripe, Paypal, Barclaycard, Adyen, Worldpay) using provided SDKs/APIs. Implement advanced fraud detection and anti-mney laundering (AML) systems. Develop and maintain RESTful APIs for seamless communication with the frontend and external systems. Implement features for transaction tracking and status management (pending, completed, failed), refund and chargeback handling, and payment settlement (funds transfer to merchant accounts). Participate in architectural design discussions, code reviews, and technical mentoring. Contribute to the development of a developer-friendly API and comprehensive documentation. Set up and manage cloud infrastructure on AWS, Google Cloud, or Azure. Implement and manage continuous integration and continuous delivery (CI/CD) pipelines to automate software builds and deployments We are looking for a candidate who: • Has a proven track record of 6+ years in backend development, with significant experience in the FinTech or financial services sector. • Possesses deep expertise in building scalable and secure backend services. • Is proficient in at least one of the specified programming languages (Python, Node.js, Kotlin or Java) and their associated frameworks. • Has a strong experience with database design and management, including both SQL (PostgreSQL or MySQL) and potentially NoSQL databases. • Has hands-on experience with RESTful API design and microservices architecture. • Demonstrates a strong understanding of security best practices and compliance standards like PCIDSS and GDPR. • Has experience integrating with third-party APIs, particularly payment gateways. • Has experience in NFC/RFID technology and Payment Networks integrations. • Is adept at problem-solving, has excellent attnetion to detail, and can work effectively in a fast-paced,agile environment. • Familiarity with serverless architecture is beneficial. • Experience with messaging systems like RabbitMQ or Kafka is a plus. • Experience implementing two-factor authentication (2FA) for user logins • Experience with performance optimisation for high-traffic scenarios and a large number of concurrent users.

Cure Talent is proud to partner with an innovative health technology company on a mission to transform eye care through pioneering, cloud-based diagnostic tools. Backed by years of clinical insight and technical expertise, their platform is reshaping how vision is assessed and managed enabling accessible, efficient eye care across borders. As part of their continued growth, they are now looking for a skilled and experienced Senior Full-Stack Developer to join their small, agile product team (Hybrid working available - Minimum 1 day per week onsite). This is a hands-on full-stack development role, with a key focus on ReactJS, TypeScript, Python and Django REST Framework. You ll play a senior role in building scalable web applications, shaping architecture, and driving technical decisions that make a real-world impact. Key responsibilities: Lead the design and development of full-stack web applications Build and maintain scalable code using ReactJS, TypeScript, Python and Django REST Framework Collaborate with cross-functional teams to turn concepts into working solutions Manage and optimise MySQL databases and Azure-hosted Docker applications Maintain Linux-based backend infrastructure (including Bash scripting) What we're looking for: Strong experience as a Full-stack Developer Frontend expertise in ReactJS and TypeScript Backend strength with Python and Django REST Framework Solid grasp of RESTful API design and version control (Git) Comfortable working in Agile environments with cross-functional teams Bonus points for: Experience with state management tools like Zustand or Redux Familiarity with OpenCV or Google MediaPipe Ability to convert Figma/Sketch/XD designs into React components Exposure to automated testing tools like Jest, Cypress, or pytest This role offers an exciting opportunity to work in an innovative and growing MedTech company, making a tangible impact in the industry. To find out more and register your interest, hit Apply Now .

Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development and working with modern data infrastructure. We're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Senior Backend Developer you won't just write code - you'll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients to deliver impactful, intelligent solutions. If you're excited by ownership, innovation, and the chance to make a real mark in a scaling business, this is your opportunity. If you're looking for a role where your voice matters, your technical brilliance is valued, and your work directly influences product growth and innovation, we'd love to hear from you. The Role at a Glance: Senior Backend Developer Hybrid - Leeds HQ 1-2 Days per Week £70,000 - £90,000 DOE Plus Benefits: including a 4-day week - we work smarter so that we can work a shorter week. 23 days annual leave + bank holidays, health insurance, retail & leisure perks, electric car scheme. You'll need to feel comfortable in the company of our well-behaved office dog, Roxy. Values & Culture: Outstanding company to work for 2024 Company: AI-powered marketing analytics platform Pedigree: Visionary Founder. Backed by renowned tech entrepreneurs inc co-founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. We're building a smarter, faster, people-first marketing tech business. We're entering a phase of accelerated growth, and you'll be at the heart of it - helping to define how our products evolve, how our systems scale, and how we meet the growing demands of our users. From refining our microservices architecture to launching new features that delight customers, your fingerprints will be all over our success story. We're on the hunt for a Senior Backend Developer with deep expertise in Python to become a driving force in our fast-growing, product-led tech company. This isn't just another dev role - it's a rare opportunity to play a pivotal role in shaping the future of our platform and leading the engineering charge as we scale. You'll work hand-in-hand with our CTO, senior leadership, and cross-functional teams to bring bold ideas to life, solve meaningful problems, and architect solutions that are as scalable as they are innovative. You'll take ownership of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into powerful, real-world solutions. You'll champion engineering excellence, embedding best practices, and driving innovation through clean code, collaboration, and continuous improvement. What You'll Bring: • Python • Automated testing • Build pipelines with containers, automated quality checks, etc. • Modern development practices and environments • API development with Falcon framework • Experience working in a pragmatic startup and managing ambiguity • Good understanding of authentication and authorisation (we currently use NextAuth/JWT) • Experience with Google Cloud Platform • Understanding of PostgreSQL and data modelling • Exposure to BigQuery would be beneficial • Exposure to Infrastructure as Code tools such as Terraform Everybody is invited with open arms. We believe that fostering an inclusive and fair work environment is at the heart of our mission. As an equal opportunity employer, we embrace individuals from all walks of life, irrespective of race, colour, nationality, ethnicity, religion, national origin, sexual orientation, age, marital or family status, disability, gender identity or expression or any other legally protected status. We strive for a culture that celebrates and incorporates diverse backgrounds and experiences Application notice We take your privacy seriously. As you might expect you may be contacted by email, text or telephone. Your data is processed by our talent partner RR (Recruitment Revolution) on the basis of their legitimate interests in fulfilling the recruitment process. Please refer to their Data Privacy Policy & Notice on their website for further details.

Senior Python Developer Location: Hybrid - 3 days remote / 2 days in NW London Salary: Circa 90K 97K + Benefits Senior Python Developer required by a fast-growing, Top Tech Company! This is a varied, challenging role within a talented team, where you ll focus on building scalable, reliable backend systems while also sharing knowledge and guiding less experienced developers where needed Essential: Solid background in backend development using Python (Flask, FastAPI, or similar) Good skills in Google Cloud Platform (GCP) Experience developing RESTful APIs Familiarity with Cloud Functions and Cloud Run Skilled in Docker and/or Kubernetes Understanding of CI/CD processes Strong grasp of clean code practices and scalable architecture Excellent communication and collaboration skills Tremendous opportunity to be part of a supportive, innovative environment with clear progression and the chance to make an impact on modern, evolving projects! Apply now for FULL details!