secure, and optimised web applications QUALIFICATIONS Proven experience developing and deploying web applications, ideally in a consulting or enterprise environment Proficiency in HTML, CSS, JavaScript, and frameworks such as React, Angular, or Vue.js Experience with D3.JS or similar advanced visualisation libraries Strong understanding of API development and integration (REST, GraphQL) Familiarity with database technologies and query languages (SQL, NoSQL) Experience More ❯
Wembley, London, United Kingdom Hybrid / WFH Options
Football Association Limited
longer-term roadmaps. Beneficial to have: Technical educational background Microsoft Software Development Certifications Experience developing and supporting high-volume public-facing web applications Experience of using Sitecore Typescript, Angular, React/Vue frameworks Experience of working in a Sport related environment What's in it for you? We are committed to ensuring everyone can flourish in their roles, to achieve More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
FDM Group
SC Clearance and willingness to undergo Non-Police Personnel Vetting (NPPV3) Proven experience across the full software development lifecycle Strong front-end development skills, with a particular specialism in React Experience implementing OpenAPI specifications and developing mock services Ability to lead a development team and coordinate the work of junior developers and designers Practical coding experience in live projects — ideally More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
Effective communication skills for understanding project needs and working with the team. Advantageous: Experience with automated data harvesting using Python, C#, or Java. Familiarity with front-end technologies (JavaScript, React). Experience with cloud platforms like AWS or GCP (especially BigQuery). Exposure to Big Data tools such as Elasticsearch. Background in the travel industry. Knowledge of GitHub and version More ❯
Key Responsibilities Lead the design, development, and deployment of scalable full stack applications using React and AWS services. Collaborate with cross-functional teams including Product, Architecture, and Test to deliver high-quality software. Champion best practices in software engineering, including CI/CD, automated testing, and code reviews. Mentor junior engineers and contribute to a culture of continuous improvement. Participate More ❯
Key Responsibilities Lead the design, development, and deployment of scalable full stack applications using React and AWS services. Collaborate with cross-functional teams including Product, Architecture, and Test to deliver high-quality software. Champion best practices in software engineering, including CI/CD, automated testing, and code reviews. Mentor junior engineers and contribute to a culture of continuous improvement. Participate More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
and contribute to sprint planning, estimations, and retrospectives. Work within the constraints and standards expected in secure, SC-cleared environments. Essential Skills & Experience: Proven front-end development experience in React , TypeScript , JavaScript , HTML , and CSS . Strong experience working with AWS , particularly Lambda and server less architectures. Comfortable working in fast-paced, Agile teams and within structured public sector delivery More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Next Best Move
freelance). Proficient in HTML5, CSS3, and basic JavaScript. A basic understanding of responsive design, UI/UX principles, and browser compatibility. Interest or exposure to modern frameworks like React , Vue.js , or Angular (training/mentorship available). Understanding of version control systems (e.g. Git). Able to work independently and communicate effectively in a remote team setting. Self-starter More ❯
deliver secure, scalable services that will support critical operations. Location: London (2 days onsite) Contract: 6 months (OIR35) Rate: £500-550 Key Skills: Strong experience with JavaScript/TypeScript React, Node.js, Next.js AWS Infrastructure-as-code (Terraform, CDK or CloudFormation) CI/CD pipelines experience (bonus) If this sounds like you, apply now. Oscar Associates (UK) Limited is acting as More ❯
Financial Services client who are actively seeking 2 Senior software engineers to join a market-leading team. What you'll need to succeed Extensive development experience with Javascript, Typescript, React, and NextJS. Strong Fullstack development experience. Strong experience with a range of technologies including cloud. Good experience managing large data sets. Strong experience working in a highly agile environment. Experience More ❯
Employment Type: Contract
Rate: £650 - £725/day Up to £725pd In-scope via umbrella
Financial Services client who are actively seeking 2 Senior software engineers to join a market-leading team. What you'll need to succeed Extensive development experience with Javascript, Typescript, React, and NextJS. Strong Fullstack development experience. Strong experience with a range of technologies including cloud. Good experience managing large data sets. Strong experience working in a highly agile environment. Experience More ❯
full-stack and cloud-native engineering (Azure preferred) Expertise in GenAI (RAG, prompt engineering, LLM APIs) Deep knowledge of Agentic AI systems and orchestration Proficiency in Python, SQL, NodeJS (React is a plus) Agile leadership and stakeholder collaboration skills Details- 6 month contract (potential to go perm after) 2 days on site (various UK locations) Rate - competitive 1 stage interview More ❯
we're looking for: Solid understanding of Fixed Income markets (credit/rates preferred) Product management or strategy experience in investment management/financial services Technical literacy (Python, JavaScript, React, HTML5 a plus) Strong communication and problem-solving skills Interested? Apply now for immediate consideration More ❯
with peers Build strong working relationships with partner technical teams Help shape technical strategy based on partner feedback and product priorities Tech Stack & Tools Essential: JavaScript (2–3 years) React (2–3 years) PHP or Hack Desirable: HTML5/Instant Game development experience Background in gaming or developer platforms Familiarity with internal tooling and developer experience improvements Qualifications & Experience Bachelor More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Inventive Search Ltd
join our mission to make block management effortless, compliant and transparent. You’ll work across backend (Ruby on Rails) and frontend (HTML/CSS/JavaScript – Stimulus, Hotwire, or React) to ship features quickly and reliably. You’ll design, build and maintain scalable features, collaborate with product and design, write clean, well-tested code and help improve performance. Requirements: 3+ … years’ Ruby on Rails experience in production Strong JavaScript, HTML/CSS skills (Stimulus/Turbo/React) Knowledge of REST APIs, PostgreSQL, testing (RSpec/Minitest) Excellent communication and self-management in remote work Nice to have: Tailwind CSS, DevOps, Stripe/API integrations, startup experience. About the Project We're building a modern web application using Ruby on … Rails as the backend framework, paired with a lightweight JavaScript frontend (e.g., StimulusJS, Hotwire, or React, depending on your stack). This app serves is on a mission to make block management effortless, compliant and transparent — for everyone. We’re building a smart, user-friendly platform that brings documents, reminders, communications and financials into one place to reduce risk, simplify More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Addition
in managing and mentoring technical teams. Hands-on knowledge of relational (SQL Server, Oracle, PostgreSQL) and non-relational databases (MongoDB, Redis). Familiarity with front-end technologies such as ReactJS, HTML5, and CSS frameworks. Insurance industry experience is essential. Degree-level education is beneficial but not mandatory. What’s in It for You: Work with a global, award-winning insurance More ❯
meet the highest standards of performance, security, and compliance in a regulated financial setting. Accountabilities & Responsibilities Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js. Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems. Implement advanced front-end security features including token handling, session … Required Knowledge, Skills & Experience Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government). Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development. Demonstrated ability to build front-end applications from scratch in greenfield or innovation lab settings. Experience developing interactive UIs, dashboards, chat interfaces, and data visualizations … SDLC practices, cyber risk assessments, and security posture reporting. Comfortable working in agile, cross-functional teams with product managers, AI engineers, and cloud architects. Technical Skills & Technologies: Languages & Frameworks: React.js, TypeScript, Next.js, HTML5, CSS3, Tailwind CSS UI Libraries: MUI, Ant Design, Tailwind CSS, AG Grid, Highcharts or similar State Management: Redux Toolkit, React Query, Zustand or similar AI/Cloud More ❯
meet the highest standards of performance, security, and compliance in a regulated financial setting. Accountabilities & Responsibilities Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js. Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems. Implement advanced front-end security features including token handling, session … Required Knowledge, Skills & Experience Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government). Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development. Demonstrated ability to build front-end applications from scratch in greenfield or innovation lab settings. Experience developing interactive UIs, dashboards, chat interfaces, and data visualizations … SDLC practices, cyber risk assessments, and security posture reporting. Comfortable working in agile, cross-functional teams with product managers, AI engineers, and cloud architects. Technical Skills & Technologies: Languages & Frameworks: React.js, TypeScript, Next.js, HTML5, CSS3, Tailwind CSS UI Libraries: MUI, Ant Design, Tailwind CSS, AG Grid, Highcharts or similar State Management: Redux Toolkit, React Query, Zustand or similar AI/Cloud More ❯
Full Stack developer (Node/React) Hybrid | Inside IR35 | £550-£650 Start ASAP | 6 month rolling contracts | 2-3 year programme SR2 are working with a consultancy on a specialist consultancy who are on a mission to empower decision-makers with transformative technology.We're currently seeking a Fullstack Software Engineer to join on a contract basis to help design, develop … that model real-world systems—from transport networks to terrain and population dynamics. Experience required: Strong backend experience using Node.js , including Express, NestJS, or Gatsby. Proficient frontend experience with React.js Comfortable working with Docker and Kubernetes for containerised deployments. Experience with PostgreSQL and other database technologies. Solid grasp of microservices architecture , RESTful and gRPC services. Hands-on experience with Kafka More ❯
PER DAY REMOTE (UK-BASED) We're partnering with a fast-scaling Healthcare company on a high-impact contract for an experienced Full Stack Python/Django + React Engineer. This project focuses on enhancing a cloud-based healthcare platform that streamlines patient onboarding, diagnostics, and treatment journeys. If you thrive on solving complex technical challenges with elegant, scalable solutions … system integrates with multiple data sources, handles sensitive healthcare data securely, and delivers a seamless experience across devices. You'll contribute to both backend (Python/Django) and frontend (React) development, ensuring high performance, security, and scalability. Key responsibilities: Designing, building, and optimising APIs and backend logic using Python/Django Developing dynamic, responsive front-end features using React and … code and participating in peer code reviews Collaborating with designers, product managers, and QA to deliver high-quality releases SKILLS & EXPERIENCE Strong commercial experience with Python/Django and React Solid understanding of REST API design and integration Proficiency with relational databases (PostgreSQL preferred) Experience in secure coding practices, ideally within regulated environments (healthcare, finance, etc.) Familiarity with cloud platforms More ❯
Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will be … day a week being based in their London office. It is a full-time role, 40 hours per week. Accountabilities: Develop and maintain scalable and responsive web applications using React.js and TypeScript. Collaborate with UX/UI designers to implement modern, intuitive, and visually appealing user interfaces. Write clean, maintainable, and efficient code while adhering to best practices. Optimize applications … and ensure continuous integration and deployment processes are followed. Collaborate with back-end developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills: Proven experience in React.js and TypeScript development. Strong understanding of JavaScript and modern front-end technologies. Experience with state management libraries like Redux, Recoil, or similar. Familiarity with RESTful APIs Experience with version control More ❯
City of London, London, Farringdon, United Kingdom Hybrid / WFH Options
Rullion Managed Services
Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will be … day a week being based in their London office. It is a full-time role, 40 hours per week. Accountabilities: Develop and maintain scalable and responsive web applications using React.js and TypeScript. Collaborate with UX/UI designers to implement modern, intuitive, and visually appealing user interfaces. Write clean, maintainable, and efficient code while adhering to best practices. Optimize applications … and ensure continuous integration and deployment processes are followed. Collaborate with back-end developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills: Proven experience in React.js and TypeScript development. Strong understanding of JavaScript and modern front-end technologies. Experience with state management libraries like Redux, Recoil, or similar. Familiarity with RESTful APIs Experience with version control More ❯
