11 jobs found

Founding Engineer (EnergyTech / AI) London Hybrid (3 days onsite) 70k- 120k + Equity A venture-backed EnergyTech start-up is building a new type of power company designed for the electrified future. As renewable energy adoption accelerates, the challenge is no longer just generating power, but storing, managing, and intelligently dispatching it. This team is developing software that sits at the centre of that transition, enabling a new generation of energy suppliers built around flexibility, storage, and intelligent automation. Backed by leading investors and founded by operators with experience from some of the most respected names in the European energy ecosystem, the business has already launched its first product and is growing rapidly month-on-month. The next phase is building the core technology platform that will power a fully integrated energy supplier launching later this year. This is an opportunity to join a small, highly capable engineering team building core infrastructure for a next-generation energy platform. The Role You will work across the full product stack, helping design and build the systems that power both the customer experience and the operational backbone of the platform. Engineers here take ownership of problems end-to-end, from shaping early ideas through to delivering production features used by customers. Responsibilities include: Building full-stack product features across web, backend services and data systems Designing APIs and integrating with hardware and energy data platforms Developing AI-enabled capabilities, including LLM-powered workflows and operational tooling Contributing to core supplier infrastructure such as billing systems, operational tooling, and internal platforms Working closely with founders and customers to shape the product direction Tech Stack Frontend: React, React Native, TypeScript Backend: Python, FastAPI, PostgreSQL Infrastructure: GCP, Terraform, Airflow AI: LLM integrations and AI-driven automation What They're Looking For Experience as a Full-Stack Engineer building production systems Strong engineering fundamentals and the ability to work across backend and frontend systems Comfort operating in a fast-moving start-up environment where priorities evolve quickly A proactive mindset with a bias towards ownership and solutions Interest in the energy transition or climate technology is a strong plus Engineers who thrive here tend to enjoy working close to the problem, communicating clearly across technical and non-technical teams, and taking initiative rather than waiting for direction. Package 70k- 120k salary depending on experience Meaningful equity Private health insurance Meal allowance and team dinners Hybrid working (London office 3 days per week)

We are working with a well established engineering group seeking a Senior Fullstack Developer to support the continued development of their core operational and customer facing systems. This is a hands-on, delivery-focused role, where you will be actively building, improving and maintaining live systems used across the business. The role would suit a senior developer who enjoys staying close to the code, while supporting and mentoring a junior developer. You will contribute directly to customer portals, APIs and IoT integrations while contributing to technical decisions and supporting development best practice within the team. Key Duties and Responsibilities Design, develop and deploy scalable web applications across frontend and backend environments using modern frameworks and cloud platforms. Build and enhance customer facing portals including dashboards, mapping functionality, role based access control and IoT integrations. Develop, maintain and optimise RESTful and GraphQL APIs to support internal systems and third party services. Support the adoption and continuous improvement of DevOps practices including CI and CD pipelines, monitoring and automated deployments. Provide technical guidance to junior developers through code reviews, mentoring and day to day collaboration. Contribute to technical improvements and the ongoing evolution of the existing platform. Work closely with stakeholders across the business to ensure software solutions align with operational and commercial requirements. Maintain clear and accurate technical documentation and contribute to continuous improvement initiatives. Skills and Experience Required Proven experience as a Fullstack Developer with strong capability across backend development using .NET and C#. Experience with frontend development using ReactJS. Experience working with cloud platforms, with Azure strongly preferred. Strong background designing and consuming RESTful and GraphQL APIs. Good understanding of data modelling and experience working with SQL, NoSQL or similar database technologies. Demonstrable experience working with DevOps pipelines, CI and CD processes and automated testing. Solid understanding of secure coding practices, authentication methods such as OAuth2, and role based access control. Strong analytical and problem solving skills with the ability to work independently on complex tasks. Confident communicator able to work effectively with both technical and non technical stakeholders. Degree in Computer Science or equivalent practical experience is desirable. Exposure to React Native, Terraform or IoT technologies such as MQTT, Modbus TCP IP or Azure IoT Hub would be advantageous. Summary Position: Fullstack Developer Location: Chandlers Ford Duration: Permanent Salary: 55,000 to 65,000 plus bonus and benefits Start: Notice dependent This is a strong opportunity for an experienced Fullstack Developer to take on a meaningful role within a growing engineering led organisation, working on modern platforms with real world operational impact. Apply now or contact the Kiota team for more details.

Senior Software Engineer - Python + React Salary: Competitive Location: Braintree, Essex Work Pattern: Hybrid Opportunity Overview We are working with a forward-thinking technology company developing cutting-edge solutions within the utilities sector. Their cloud-native platform integrates software, hardware, and distributed energy assets to enable real-time monitoring, automation, and control at scale. They are now looking to hire a Senior Software Engineer to play a key role in shaping the technical direction of their platform. This is a hands-on position combining strong engineering delivery with architectural ownership, offering the opportunity to work on complex, real-world systems across IoT, cloud infrastructure, and large-scale data environments. Key Responsibilities Design, build, and operate scalable backend systems using Python (Django) and AWS Lead architectural decisions across performance, scalability, reliability, and security Design and evolve APIs and data models for internal tools and customer-facing applications Drive IoT and device communication architecture across distributed systems Collaborate with product and design teams to translate real-world requirements into scalable solutions Contribute to frontend development using React and supporting infrastructure Build and optimise pipelines for ingesting and querying large-scale time-series data Improve system performance, data retention strategies, and reporting capabilities Work closely with hardware and edge teams on device provisioning and diagnostics Troubleshoot and resolve complex production issues Lead and contribute to architecture reviews and technical discussions Mentor and support engineers through code reviews, pairing, and design guidance Essential Skills and Experience Strong proficiency in Python and/or significant experience with React Solid experience with SQL and relational database design Proven experience working with cloud infrastructure Experience with containerisation technologies such as Docker (ECS desirable) Strong understanding of RESTful API design Experience working with Django and React Demonstrated ability to design scalable, maintainable systems Strong problem-solving skills with a hands-on engineering mindset Desirable Experience Experience with microservices or event-driven architectures Exposure to time-series databases or large-scale data processing Experience working with IoT or distributed device environments Interest in renewable energy, industrial systems, or infrastructure technology Experience with modern frontend frameworks such as Next.js What's on Offer Opportunity to shape the architecture of a complex, real-world platform High level of ownership and influence over technical direction Work within a small, collaborative, and high-impact engineering team Exposure to modern technologies and challenging engineering problems Flexible hybrid working environment Strong opportunities for career progression as the business scales Application Process If you're interested in this opportunity, please apply with your CV and a short overview of your experience. Examples of relevant projects or systems you've worked on would be highly beneficial.

Mid and Senior Front End Developer Opportunities We have some exciting opportunities for Mid and Senior Front End Developers to join our growing team here at William Hill. About Us Working with us, you'll be at the heart of the technological revolution of one of the world's most trusted betting and gaming companies. We deal with projects ranging from mobile Casinos to online Sportsbooks and everything in between. The cloud-native software you design will process 500 online bets per second, accommodate 20 million users, and process 160 terabytes a day. You can be sure there are many more challenges waiting for you. Our people are at the heart of everything we do, and we offer a fast-paced environment where we have fun, celebrate success, and give you all the tools you'll need to be your best self. It's not just our colleagues we look after - we've got a responsibility to our customers too and we work hard on our ambition that nobody is harmed by gambling Your role in the team · Supporting the customer journey from desktop to tablets and mobile phones · Optimization of cross-browser web applications · Building efficient and reusable systems and abstraction · Developing prototypes · Maintaining automated unit and integration test cases · Working with microservice on the backend · Working on CI/CD and implement frontend performance quality gates · Including security mindset as part of delivery · Writing reusable libraries · Improvement through active collaboration, refactoring, and testing Skills needed · Bachelor/Master's degree (or equivalent) in Computer Science, Engineering, or a related subject · Senior level hands-on software development (JavaScript) experience that can work autonomously and reliably end to end · Experience in similar position · Self-reliant, communicative, accurate · Very good knowledge of and experience with CSS3, HTML5 (SASS) · Good knowledge of JavaScript including TypeScript · Familiarity with JavaScript libraries like React, Redux, XState · Experience with building reusable JavaScript libraries · Experience with high traffic applications · Very good knowledge of Front-end performance optimisation (TTFB, TTI, bundle size, first CPU idle) · Experience with Feature Toggles and A/B Test · Attention to details Desirable · Knowledge of Scrum methodology · Experience with micro-frontends · Familiarity with Webpack, Babel, etc · Experience in consuming Kafka and event-driven architectures · Experience in DevOps activities like Kubernetes, AWS, GitLab What's in it for you? You'll get to work with like-minded individuals in great teams based across the globe. All working in Agile delivery methods and deploying into Amazon Web Services (AWS). You'll have the autonomy to flex your strategy and solution design across a truly global product that drives the heart of our sports betting for William Hill worldwide. We have a generous personal learning budget joined with 10% learning time throughout each month to help you learn and grow. We'll welcome you on board with 25 days holiday (not to mention an extra day for your birthday), healthcare, an attractive pension package and life assurance. As an added incentive, we offer a rewarding bonus scheme too. If you have a keen interest in any kind of sport then you'll get to enjoy competitions, events and moments at the home of betting - William Hill. What we offer We take the safety and wellbeing of our employees seriously, especially at this challenging time. We have put in place robust Covid19 measures and are supporting our new employees with a smooth onboarding and training programme and making you feel welcome and part of our team. We've welcomed our teams back to the office and have a balanced approach to office and home working. Here, you'll have the opportunity to work from home up to 80% of the time with 20% office time built in to ensure we get some face-to-face collaborative team time - and the chance for a coffee and a catch up. William Hill in London We couldn't be closer to the action in our London office. A 2-minute walk from Tottenham Court Road station, round the corner from Soho and Oxford Street means you'll never be short of anywhere to go for a lunchtime stroll or a post-work drink. There's plenty of green space too with Regent's Park and Hyde Park not far away at all. Working in our London office you'll also benefit from a heavily discounted Zone 1 - 6 travel card so you'll be whizzing around London in no time.

At Reward Gateway, we're driven by our culture, our clients and our mission to "make the world a better place to work." Since 2006, we've been right by the side of the world's most innovative companies and HR leaders, giving them the tools they need to overcome challenges and to connect with their people through our products and solutions. We're more than 400 strong in four different countries, and we're constantly growing. Our industry is HR technology, our objective is to increase employee engagement. Your role in Our Mission Our mission is to make the world a better place to work and to achieve this mission you will be a key member of the Engineering unit at Reward Gateway. You will be responsible for ensuring that our web-based products are built to be visually compelling and compliant with both internal and external standards. You will work in a team with QAs, designers and back-end developers to build various projects contributing to the service that Reward Gateway provides to its clients. Your team will stay organised by using the agile development practices and will deliver short-term incremental updates of the projects at hand. Some of your responsibilities and core duties will be: Identifying UX and design issues early on in the development process, and propose alternative methods of approach To interpret and develop software to written requirements and technical specifications Suggesting improvements to existing products and implementing them across our platforms Working with other members of the team to help deliver significant new features to the business based on their requirements Adhering to deadlines, prioritising your work, and delivering progress reports Completing administrative work including but not limited to, writing technical documentation and time-tracking Support the Lead Software Engineer by advising and guiding the engineering team with daily tasks where necessary Attend client facing meetings as and when required to support the Customer Success and Sales teams The experience and key skills you will have: Knowledge of Javascript design patterns Experience of working with UX design Experience of building web and mobile applications in React and React-Native Good understanding of static types and experience with TypeScript Experience of working with REST and GraphQL APIs, including writing GraphQL Schemas, resolvers and using request management libraries such as Apollo Experience with revision control systems, preferably GIT Forward-thinking, positive and self-motivated Quick and eager to learn, and willing to invest time to continuously develop new skills The interview process: Telephone Interview with our Talent Acquisition Team Video Interview with Javascript Developer and Front End Developer Take home assessment Final Interview with Lead Software Engineer and Front End Developer Be comfortable. Be you. At Reward Gateway, we want all of our employees to feel comfortable bringing their passion, creativity and individuality to work. We value all cultures, backgrounds and experiences, as we truly believe that diversity drives innovation. Express yourself, join our community and help us Make the World a Better Place to Work.

This is an amazing opportunity for an IT professional to have flexible working. Reduced hours during school holidays and a generous holiday allowance. Support and System Administrator Salary up to £35,000 FTE (grade B/C) including generous holiday allowance London office with the opportunity to work from home The role will include the following duties: System Administration of Linux servers and internal IT infrastructure Providing 3rd line support to their customers via the Operations team Involvement in systems architecture Some involvement in code level solutions Supporting a range of bespoke software solutions for both their internal use and their members use Supporting our internal teams with IT and the use of Office 365 IT Information All production environments are Linux based, but you will have the choice of Linux,Mac or Windows development environment They use PHP for backend development with some NodeJS and Python, and HTML/SASS/JS for the frontend mainly using MithrilJS framework with some legacy use of JQuery and KnockOutJS. Office 365 A bit about the company… Our client’s network is made up of over 2,500 schools, colleges and alternative education providers spanning key stages 1-5. As a membership organisation, they collaborate, share best practice and equip leaders so they can support their teams and, ultimately, provide everyone in schools with a better future and brighter hope. Their IT team, currently of three, is part of a wider Operations Team which is a vital part of their service to schools, providing efficient and personal interactions with our schools and colleagues. They are knowledgeable, committed and high performing people who contribute significantly to the company’s success. Suitable skills and experience include IT Helpdesk, 3rd Line IT Support, Senior IT Support Technician, IT Support Engineer, 1st / 2nd Line Helpdesk Engineer, Support and System Administrator

This is an amazing opportunity for an IT professional to have flexible working. Reduced hours during school holidays and a generous holiday allowance. PHP Full Stack Developer Salary up to £45,000 FTE (grade C) including generous holiday allowance London office with the opportunity to work from home The role will include the following duties: Working as a full stack developer on both development projects and alterations with a focus on user experience and aesthetics as much as backend efficiency Become familiar with the company’s products and systems Contribute to a range of development projects that the company are working on. Working with their Operations and IT team to assist in the support of the company’s products IT Information All production environments are Linux based, but you will have the choice of Linux, Mac or Windows development environment They use PHP for backend development with some NodeJS and Python, and HTML/SASS/JS for the frontend mainly using MithrilJS framework with some legacy use of JQuery and KnockOutJS. A bit about the company… Our client’s network is made up of over 2,500 schools, colleges and alternative education providers spanning key stages 1-5. As a membership organisation, they collaborate, share best practice and equip leaders so they can support their teams and, ultimately, provide everyone in schools with a better future and brighter hope. Their IT team, currently of three, is part of a wider Operations Team which is a vital part of their service to schools, providing efficient and personal interactions with our schools and colleagues. They are knowledgeable, committed and high performing people who contribute significantly to the company’s success. Suitable skills and experience include IT Helpdesk, 3rd Line IT Support, Senior IT Support Technician, IT Support Engineer, 1st / 2nd Line Helpdesk Engineer, PHP Full Stack Developer