London, England, United Kingdom Hybrid / WFH Options
Housekeep
server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of its advanced geographic modelling capabilities Redis for caching More ❯
London, England, United Kingdom Hybrid / WFH Options
MoonPay
you make open-source contributions, have experience in web3 or proven experience in the fintech or payments industry What you will be working with/on Typescript React and NextJS Node.js TypeORM, TypeDI, TypeGraphQL and routing-controllers Google Cloud Platform Postgres Redis Bull DataDog GitHub Jest Most importantly , though, you will embody the core principles that everyone here at the More ❯
London, England, United Kingdom Hybrid / WFH Options
MoonPay
within the Engineering discipline. Including design, documentation, monitoring and alerting Lead initiatives from an engineering perspective, partnering closely with product managers What you be working with Typescript React and NextJS Node.js TypeORM, TypeDI, TypeGraphQL and routing-controllers Google Cloud Platform Postgres Redis Bull DataDog GitHub Jest Most importantly , though, you will embody the core principles that everyone here at the More ❯
London, England, United Kingdom Hybrid / WFH Options
9fin
to continually learn, assess and improve 9fin's platforms and products. Our Frontend Stack React 18 Typescript React query Jest, React Testing Library, Playwright Storybook Launch darkly feature flagging Next.js Vite About You This role will be a great fit if you: Experienced with React, modern ES6 and TypeScript to build web applications and can own your code through code More ❯
Social network you want to login/join with: Senior Software Engineer – ML Data Platform, london col-narrow-left Client: Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 9 Posted: 12.05.2025 More ❯
Team: Machine Learning Location: London (Liverpool Street) Employment Type: Full-time and Permanent Remuneration: £90–120k Base Salary + Discretionary Bonus + Equity We are a stealth-mode AI laboratory researching and developing Machine Learning models. The founding team consists More ❯
London, England, United Kingdom Hybrid / WFH Options
Immediate Media Co
of tools to help us deliver the right experience for our users at scale, considering best practice accessibility, performance and SEO. Our frontend stack includes multiple applications using React, Next.js and Storybook; using data from API services and a WordPress CMS. Reporting to the team’s Senior UI Developer, a Mid UI Developer is expected to develop, maintain, and support … new functionality or major enhancements Write and improve technical documentation when necessary Participate in all Agile planning meetings and stand-ups. HTML and CSS/SASS Modern JavaScript React NextJS Good understanding of web standards, accessibility and performance Build tools, such as Webpack Unit testing and Git and NPM/Yarn to manage your work and dependencies Desirable skills PHP More ❯
City of London, London, United Kingdom Hybrid / WFH Options
fountify
and challenge-driven full-stack developer to join its rapidly expanding team. This varied role involves coding websites based on existing designs, working with traditional WordPress sites and headless NextJS sites, and performing other common web development tasks. Responsibilities include hosting websites on various cloud platforms and backend work. The successful candidate will collaborate primarily with other developers and closely … custom themes/plugins Headless CMS Web markup, including HTML5, CSS, and JavaScript/TypeScript Knowledge and experience of Git Sass, Webpack, and CSS frameworks like Tailwind React/NextJS and GraphQL Working with Restful APIs HTML emails DNS records Linux command line Experience with Vercel SEO principles Experience in an agency environment Experience Requirements: Agency: 2 years (required) WordPress … years (required) React/Next.js: 2 years (required) Benefits include: Perkbox Rockstar Awards for excellence (with the opportunity to earn an extra day of holiday each month) Company events & social hours Profit share scheme 23 days of holiday Boutique agency environment with a small team working alongside senior management Hybrid working opportunities (work from home or the office in Barbican More ❯
and challenge-driven full-stack developer to join its rapidly expanding team. This varied role involves coding websites based on existing designs, working with traditional WordPress sites and headless NextJS sites, and performing other common web development tasks. Responsibilities include hosting websites on various cloud platforms and backend work. The successful candidate will collaborate primarily with other developers and closely … custom themes/plugins Headless CMS Web markup, including HTML5, CSS, and JavaScript/TypeScript Knowledge and experience of Git Sass, Webpack, and CSS frameworks like Tailwind React/NextJS and GraphQL Working with Restful APIs HTML emails DNS records Linux command line Experience with Vercel SEO principles Experience in an agency environment Experience Requirements: Agency: 2 years (required) WordPress … years (required) React/Next.js: 2 years (required) Benefits include: Perkbox Rockstar Awards for excellence (with the opportunity to earn an extra day of holiday each month) Company events & social hours Profit share scheme 23 days of holiday Boutique agency environment with a small team working alongside senior management Hybrid working opportunities (work from home or the office in Barbican More ❯
those pipelines to improve velocity while maintaining quality. Ensure all systems have the appropriate level of automated tests and monitoring. Paid On-Call rota. Qualifications : Knowledge of React/Next.js/Node.js. Required Skills : Expert in creating DRY, documented, maintainable, extendable, secure systems. Experience delivering web apps at scale. Experience building out and maintaining CI/CD pipelines. Experience working … improvement. A passion for delivering simple, scalable solutions (often to complex problems). Excellent attention to detail. An ability to explain technical concepts to non-technical audiences. Preferred Skills : NextJS (app router, static rendering, turbo, mono-repo, Vercel) Typescript Jest Storybook (and Storybook testing) Playwright Contentful Algolia Datadog (or similar monitoring tools) GitHub actions Akamai GraphQL Benefits: 33 days annual More ❯
those pipelines to improve velocity while maintaining quality. Ensure all systems have the appropriate level of automated tests and monitoring. Paid On-Call rota. Qualifications : Knowledge of React/Next.js/Node.js. Required Skills : Expert in creating DRY, documented, maintainable, extendable, secure systems. Experience delivering web apps at scale. Experience building out and maintaining CI/CD pipelines. Experience working … improvement. A passion for delivering simple, scalable solutions (often to complex problems). Excellent attention to detail. An ability to explain technical concepts to non-technical audiences. Preferred Skills : NextJS (app router, static rendering, turbo, mono-repo, Vercel) Typescript Jest Storybook (and Storybook testing) Playwright Contentful Algolia Datadog (or similar monitoring tools) GitHub actions Akamai GraphQL Benefits: 33 days annual More ❯
those pipelines to improve velocity while maintaining quality. Ensure all systems have the appropriate level of automated tests and monitoring. Paid On-Call rota Skills: Knowledge of React/Next.js/Node.js. Expert in creating DRY, documented, maintainable, extendable, secure systems. Experience delivering web apps at scale. Experience building out and maintaining CI/CD pipelines. Experience working with multidisciplinary … improvement. A passion for delivering simple, scalable solutions (often to complex problems). Excellent attention to detail. An ability to explain technical concepts to non-technical audiences. Useful Experience: NextJS (app router, static rendering, turbo, mono-repo, Vercel) Typescript Jest Storybook (and Storybook testing) Playwright Contentful Algolia Datadog (or similar monitoring tools) GitHub actions Akamai GraphQL Employee Benefits: 33 days More ❯
autonomy and freedom to make technical decisions. You can either be a Lead already or a Senior with experience mentoring engineers + taking the lead on projects. Proficiency in NextJS (React), GraphQL, and TypeScript is required. Key Responsibilities: Design, develop, and maintain web applications using NextJS (React), GraphQL, and TypeScript Collaborate with cross-functional teams to define, design, and ship … charge when the CTO is unavailable/off Qualifications: Experience in a Senior/Lead role with mentoring + project leadership Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem-solving skills and attention to detail More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
autonomy and freedom to make technical decisions. You can either be a Lead already or a Senior with experience mentoring engineers + taking the lead on projects. Proficiency in NextJS (React), GraphQL, and TypeScript is required. Key Responsibilities: Design, develop, and maintain web applications using NextJS (React), GraphQL, and TypeScript Collaborate with cross-functional teams to define, design, and ship … charge when the CTO is unavailable/off Qualifications: Experience in a Senior/Lead role with mentoring + project leadership Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem-solving skills and attention to detail More ❯
frontend engineering and a growing confidence in backend development, looking to step into more responsibility. What You’ll Do Build and refine responsive, accessible user interfaces using TypeScript and Next.js Collaborate with product designers and stakeholders to deliver intuitive user experiences Contribute to backend APIs and services using Node.js and Python Help integrate AI-powered features into the frontend in … user-centric ways Participate in code reviews, architecture discussions, and iterative product improvements Learn from experienced engineers and take on more ownership as you grow Tech Stack Frontend: TypeScript, Next.js, React Backend: Node.js, Python (FastAPI) Infrastructure: Vercel, Google Cloud Platform Architecture: Monorepo with shared internal packages AI: AI-powered features embedded into customer and internal tools What We’re Looking … For 3+ years of experience in full-stack development Strong skills in JavaScript/TypeScript and React-based frameworks (Next.js preferred) Good eye for design, usability, and performance on the frontend Some experience (or willingness to grow) with backend technologies like Node.js or Python Interest in integrating or working with AI-enhanced features Strong communication skills and a collaborative, proactive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
developrec
frontend engineering and a growing confidence in backend development, looking to step into more responsibility. What You’ll Do Build and refine responsive, accessible user interfaces using TypeScript and Next.js Collaborate with product designers and stakeholders to deliver intuitive user experiences Contribute to backend APIs and services using Node.js and Python Help integrate AI-powered features into the frontend in … user-centric ways Participate in code reviews, architecture discussions, and iterative product improvements Learn from experienced engineers and take on more ownership as you grow Tech Stack Frontend: TypeScript, Next.js, React Backend: Node.js, Python (FastAPI) Infrastructure: Vercel, Google Cloud Platform Architecture: Monorepo with shared internal packages AI: AI-powered features embedded into customer and internal tools What We’re Looking … For 3+ years of experience in full-stack development Strong skills in JavaScript/TypeScript and React-based frameworks (Next.js preferred) Good eye for design, usability, and performance on the frontend Some experience (or willingness to grow) with backend technologies like Node.js or Python Interest in integrating or working with AI-enhanced features Strong communication skills and a collaborative, proactive More ❯
What you'll do: - Create extremely well-crafted front-end web applications using React.js and NextJS - Support and Develop Server Side Rendered web applications, making use of AWS Lambda - Write resilient code that will be continuously tested, deployed, and performed at scaleTest front end application e2e with unit, functional, integration, visual regression and lighthouse testing - Be part of a self … community of developers - Ability to help in coaching and mentoring junior members of the team Desirable - experience with other development languages, frameworks and testing frameworks such as TypeScript, NodeJS, NextJS, GraphQL and Cypress - Knowledge and experience with AWS Lambdas More ❯
Job Overview We are seeking a highly skilled Lead Full Stack Developer to join our dynamic team. You’ll spearhead the development and enhancement of web applications using React, Next.js, Node.js, and Python Flask. You'll oversee the cloud infrastructure on Azure, ensuring scalability and reliability. Additionally, you'll design and maintain databases and integrate authentication and messaging. Your role … can stay updated with industry trends and contribute to a variety of projects. Key Responsibilities: Design and Develop: Create, design, and maintain robust and scalable web applications using React, Next.js, Node.js, and Python Flask. Cloud Services: Implement and manage cloud-based solutions using Azure. Data Management: Design and maintain database systems using Postgres and Typescript ORMJS. API Development: Design and … date with the latest industry trends and technologies to continually improve the development process. Experience: Technical Skills: Leadership experience Proficiency with Azure for cloud services. Strong knowledge of React, Next.js, and Node.js. Experience with Splink and Python Flask. Expertise in Postgres and Typescript ORMJS. Knowledge of Keycloak for authentication and KUBEMQ for messaging. Proficient in API endpoint design and implementation. More ❯
second-line support, refining our self-service offerings, and delivering quick (small) features. Within this team of 4-5 members, you will utilize your skills in TypeScript, Express, Node.js, Next.js, SQL, and React to enhance and develop our platform. You should feel comfortable occasionally assisting customers and take pleasure in solving complex problems with a focus on producing effective and … in a fast-paced, dynamic setting, welcome challenges, and possess an ambitious startup mindset. Key Responsibilities: Design, develop, and maintain full-stack integrations and applications utilizing React, TypeScript, Node.js, Next.js, and SQL. Construct and oversee internal tools, collaborating closely with our outstanding support team to design and implement tools that enable them to provide exceptional service for our customers. Identify … challenge the status quo, and can work independently as well as in collaboration with others. Additionally, you will possess: Full-stack Development & Integrations: Extensive experience with TypeScript (including React, Next.js, Express, and Node.js), SQL, along with the ability to create seamless integrations with external systems. Proficient in implementing CI/CD pipelines and managing complex integration scenarios. Identity & Access Management More ❯
in Python, leveraging frameworks like FastAPI, to support real-time AI applications and large-scale data processing. Build and maintain full stack web applications using modern frameworks and technologies Next.js, React, TypeScript, and Tailwind. Integrate AI models and evaluation systems, working closely with ML teams to enhance agent reasoning, response quality, and decision-making. Manage and optimize cloud infrastructure, ensuring … developing backend or full-stack applications, with a strong emphasis on backend engineering. Strong proficiency in Python and backend frameworks such as FastAPI or Flask. Familiarity with frontend technologies (Next.js, React, TypeScript, Tailwind) with an eye for building polished, user-friendly interfaces. Experience making trade-offs between speed and quality in fast-paced environments. A passion for AI and experience More ❯
practices, and foster a culture of engineering excellence. You'll lead the migration from a legacy monolith to a modern microfrontend and Backend-for-Frontend (BFF) ecosystem, leveraging React, Next.js, TypeScript, and advanced communication protocols such as GraphQL and gRPC. What You'll Own Lead the design and implementation of scalable, performant, and maintainable frontend architectures that support diverse driver … Lead efforts in evaluating and integrating AI tools and automation that enhance developer productivity and product innovation. About You Extensive commercial experience building complex frontend applications with React and Next.js, with strong proficiency in TypeScript. Proven track record of architecting scalable frontend systems and migrating legacy codebases to modern frameworks. Deep understanding of accessibility standards (WCAG) and a passion for More ❯
London, England, United Kingdom Hybrid / WFH Options
BJAK
to the next chapter of Bjak's success. Responsibilities Develop high-quality backend systems using NodeJS, adhering to best coding practices. Develop high-quality frontend applications using ReactJS/NextJS, adhering to best coding practices. Ensure production stability and promptly resolve critical issues to minimize operational impact. Analyze existing code and identify opportunities for enhancement and optimization. Support cross-functional … years of full-time experience in software engineering. Proficient in backend development technologies such as NodeJS, NestJS, ExpressJS, GraphQL, and Postman. Proficient in frontend development technologies such as ReactJS, NextJS, and Styled-components. Experienced in database management, including MongoDB and MySQL. Familiar with automation workflows using tools like Selenium, Cypress, and Puppeteer. Demonstrated passion for programming and problem-solving independently. More ❯
in Python, leveraging frameworks like FastAPI, to support real-time AI applications and large-scale data processing. Build and maintain full stack web applications using modern frameworks and technologies Next.js, React, TypeScript, and Tailwind. Integrate AI models and evaluation systems, working closely with ML teams to enhance agent reasoning, response quality, and decision-making. Manage and optimize cloud infrastructure, ensuring … developing backend or full-stack applications, with a strong emphasis on backend engineering. Strong proficiency in Python and backend frameworks such as FastAPI or Flask. Familiarity with frontend technologies (Next.js, React, TypeScript, Tailwind) with an eye for building polished, user-friendly interfaces. Experience making trade-offs between speed and quality in fast-paced environments. A passion for AI and experience More ❯
Design, develop, and maintain high-performance WebUIs for trading functions such as order tickets, real-time blotters, position views, and time series charting. Build advanced UI components using React.js , Next.js , and Ag-Grid, focusing on modularity, performance, and responsiveness. Translate complex trading workflows (including options and multi-leg strategies) into intuitive, trader-friendly interfaces. Integrate frontend with real-time backend … profiling to ensure a robust and maintainable codebase. Requirements Minimum 5+ years of experience in frontend or fullstack development, preferably within trading or financial systems. Deep expertise in React.js , Next.js , and Ag-Grid, plus strong familiarity with modern state management libraries (Redux, MobX, XState, etc.). Solid experience building UI for trading systems including blotters, risk dashboards, and charting tools. More ❯
product like craft. You'll work directly with a senior engineer, touching everything from front-end UI to prompt engineering and deployment. Build and ship features using React/Next.js, Node/Python, and FastAPI Version prompts, experiment with LangChain, OpenAI, and Anthropic Use AI coding tools like Cursor or Copilot to speed up development Deploy with Vercel, Fly.io, or More ❯