376 to 400 of 484 Node.js Jobs in London

motivates you. You prioritise product and user experience. You are a collaborative Software Engineer with proven professional experience in Javascript/Typescript , React , and Node.JS , you possess a strong understanding of API design , consumption, and client-side logic. You are proficient in writing unit and integration tests and have experience … have experience integrating AI into the full development lifecycle, from spec-driven planning and automated log analysis to CI/CD validation. Our Stack NodeJS, React, Typescript, Mongo, GitHub, Kubernetes, AWS, Vercel, Circle CI, Jest Interviewing Process We appreciate your time, your interest in the company and dedication during ...

development methodologies and design patterns Cloudflare knowledge C# ASP.NET and .NET Core are a plus but not necessary Experience with React, TypeScript, Astro, and NodeJS is a plus Willingness to learn; candidates do not need to meet every listed requirement Core Competencies Demonstrates expertise in developing and modernising large-scale … Troubleshooting Soft Skills Mentoring Collaboration Continuous Improvement Industry Keywords Public-Facing Systems Internal Insurance Systems Tools & Technologies AWS Lambda DynamoDB Azure Cloudflare C# ASP.NET NodeJS React TypeScript Astro #J-18808-Ljbffr ...

platform reliability, observability, security, performance and scalability. Support CI/CD, Infrastructure as Code and software engineering best practices. Tech Stack TypeScript, React, Next.js, Node.js, Go, Python, AWS, Lambda, PostgreSQL, SQL, Supabase, API Development, AI, Machine Learning, LLMs, OpenAI, Claude, MCP, RAG, Serverless, CI/CD, Infrastructure as Code What … using LLM APIs, prompt engineering, agentic workflows or AI tooling. Comfortable operating in a fast-moving startup or scale-up environment. Nice To Have Node.js and Go experience. Experience with Supabase and Vercel. RAG, MCP, AI Agents, Evaluation Frameworks and AI Product Development. Python, Pandas and data tooling experience. Startup ...

competing priorities, and drives engineering excellence across the team. Job responsibilities Design, develop, and deliver full stack software solutions across frontend (Angular) and backend (Node.js/TypeScript) services, applying strong problem-solving skills to break down complex technical challenges. Develop secure, high-quality production code and review peers work … frontend development with React, including state management and testing with frameworks such as Jest or React Testing Library Advanced knowledge of backend development using Node.js and TypeScript to build RESTful APIs, along with strong experience writing and maintaining comprehensive unit, functional, and integration tests Demonstrated ability to communicate effectively with ...

OneSuite’s backend systems are scalable, reliable, secure, and performant. Responsibilities Backend Architecture & System Design Architect distributed backend services and APIs using Python, FastAPI, Node.js, or equivalent frameworks. Design modular, observable, and scalable backend components for orchestration, data services, and platform integrations. Define patterns for microservices, domain boundaries, caching, queuing … ensure consistency and maintainability. Qualifications Demonstrable backend engineering experience, with architectural ownership over services or distributed systems. Expertise in Python, FastAPI, Flask, or Node.js and modern backend development patterns. Strong understanding of microservices, concurrency, async programming, and event‐driven architectures. Proficiency with SQL and NoSQL databases (PostgreSQL, DynamoDB, Redis, MongoDB ...

competing priorities, and drives engineering excellence across the team. Job responsibilities Design, develop, and deliver full stack software solutions across frontend (Angular) and backend (Node.js/TypeScript) services, applying strong problem-solving skills to break down complex technical challenges. Develop secure, high-quality production code and review peers work … frontend development with React, including state management and testing with frameworks such as Jest or React Testing Library Advanced knowledge of backend development using Node.js and TypeScript to build RESTful APIs, along with strong experience writing and maintaining comprehensive unit, functional, and integration tests Demonstrated ability to communicate effectively with ...

drives business outcomes. You will own end‐to‐end delivery—from discovery through production operations—across frontend and backend platforms (e.g., .NET/C#, Node.js, React). The role demands strong architectural judgment and excellent stakeholder communication. #J-18808-Ljbffr ...

innovating within an AI-first engineering culture. The ideal candidate will possess experience with messaging queues and high-level server-side languages such as Node.js or Go. Ably offers a remote-first work environment along with various benefits that promote employee wellbeing and development. #J-18808-Ljbffr ...

collections and activities is at the heart of what we do. This role will support two major ongoing projects. EHRI-UK is the national node of the EHRI project, a European Research Infrastructure Consortium (ERIC) committed to trans-national Holocaust research, commemoration and education. One of the central tenets ...

equivalent languages, ensuring security, correctness, and gas efficiency Integrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services Implement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronization Collaborate with architects and senior engineers … experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration Solid experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworks Proficiency in Solidity smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices Hands-on experience with Web3 ...

equivalent languages, ensuring security, correctness, and gas efficiency* **Integrate Web3 libraries and SDKs** (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services* **Implement asynchronous, event-driven architectures** to handle on-chain events, transaction lifecycle management, and blockchain state synchronization* **Collaborate with architects and senior engineers … experience in **Web3 and blockchain application development**, including smart contract development and blockchain protocol integration* **Solid** experience with **backend development** using Java/Spring, Node.js, or equivalent enterprise frameworks* Proficiency in **Solidity** smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices* Hands-on experience with **Web3 ...

SaaS products used by thousands of customers. This is an opportunity to work across the full development lifecycle, building scalable React front ends and Node.js back ends while collaborating closely with Product, Design and Engineering teams. You'll have the autonomy to own features from concept through to deployment … role in shaping engineering standards and mentoring other developers. What you'll be doing Building and maintaining modern web applications using React, Next.js, Node.js and Nest.js. Developing scalable APIs and backend services. Designing and optimising PostgreSQL databases. Deploying and supporting applications in Microsoft Azure. Writing clean, well-tested, maintainable TypeScript ...

teams to deliver high-quality solutions that improve client experience across multiple channels and integrated platforms. The technology environment includes: Angular Java Spring Boot Node.js AWS (Aurora PostgreSQL, EC2, S3) CI/CD and automated testing frameworks AI-assisted development tools including GitHub Copilot and Claude Key Responsibilities Design, develop … enhance Angular-based customer-facing applications Build and maintain cloud-native services within AWS environments Develop backend services using Java Spring Boot and Node.js Integrate third-party APIs and internal platforms to create seamless digital experiences Deliver well-tested, maintainable and scalable code Participate in architecture discussions, code reviews ...

teams to deliver high-quality solutions that improve client experience across multiple channels and integrated platforms. The technology environment includes: Angular Java Spring Boot Node.js AWS (Aurora PostgreSQL, EC2, S3) CI/CD and automated testing frameworks AI-assisted development tools including GitHub Copilot and Claude Key Responsibilities Design, develop … enhance Angular-based customer-facing applications Build and maintain cloud-native services within AWS environments Develop backend services using Java Spring Boot and Node.js Integrate third-party APIs and internal platforms to create seamless digital experiences Deliver well-tested, maintainable and scalable code Participate in architecture discussions, code reviews ...

through final development, testing and into production. The platform modernises an existing ASP.NET/on-premises SQL application and is now built using React, Node.js, TypeScript, Azure SQL and Azure Web Apps, within a Microsoft 365 environment. A strong prototype has already been developed, providing the baseline for the next … turning this into a robust, scalable and production-ready application. Key Responsibilities: Take the existing prototype through development, testing and production. Work across React, Node.js, TypeScript and Azure SQL. Improve the data model and database architecture, addressing current limitations and manual processes. Develop a more effective and maintainable front end. ...

through final development, testing and into production. The platform modernises an existing ASP.NET/on-premises SQL application and is now built using React, Node.js, TypeScript, Azure SQL and Azure Web Apps, within a Microsoft 365 environment. A strong prototype has already been developed, providing the baseline for the next … turning this into a robust, scalable and production-ready application. Key Responsibilities: Take the existing prototype through development, testing and production. Work across React, Node.js, TypeScript and Azure SQL. Improve the data model and database architecture, addressing current limitations and manual processes. Develop a more effective and maintainable front end. ...

goals through transparent, disciplined strategies. Задачи Develop and enhance backend services supporting authentication and MFA platforms Design, build and maintain RESTful APIs using TypeScript, Node.js and NestJS Deploy, monitor and support applications within AWS using Infrastructure as Code Maintain production services, including software updates, database migrations and operational support Contribute … continuous improvements to engineering practices Collaborate with product, security and engineering teams to deliver secure, reliable technical solutions Требования Strong commercial experience with TypeScript, Node.js and NestJS or Express, with a proven track record of building RESTful APIs Hands-on experience with AWS services including ECS, Lambda, CloudFront ...

made up of software engineers, DevOps engineers and platform engineers across a range of experience levels. The team works across technologies including Terraform, AWS, Node.js, C# and Python, but we do not expect you to know everything from day one. In this role, you will work closely with a Senior … secure-by-default principles across AWS accounts, helping us maintain a secure and reliable platform environment. Contribute to automation scripts or tooling using Node.js or Python, supporting repeatable delivery and reducing manual effort for engineering teams. Collaborate closely with Senior Platform Engineers, Tech Leads and Delivery Managers to understand priorities ...

doubt be opportunities to contribute to other exciting projects in CDA, so some experience or a willingness to learn other technologies such as React, Node.js and AWS is a bonus. Are you the right candidate Essential • Excellent PHP skills • Excellent experience designing and optimising relational database systems • Familiarity with frontend … continuous delivery Desirable • Experience identifying and fixing accessibility issues • jQuery experience • Experience managing or working on legacy systems • Experience with data flow modelling • React, Node.js & AWS skills About the BBC The BBC is committed to redeploying employees seeking suitable alternative employment within the BBC for different reasons and they will ...

maintain the dominAI web application using React and TypeScript, building reliable and performant interfaces for complex operational data. Build and extend backend services in Node.js that integrate with AI inference pipelines and simulation systems. Own well-scoped features end to end - from refining the requirement through to shipping and supporting … Computer Science, Software Engineering, or a related field - or equivalent practical experience. Professional experience building web applications with React and TypeScript. Working proficiency in Node.js - comfortable contributing to backend services, not just consuming them. Strong communication skills - able to explain your work to engineers and stakeholders; quick to ask good ...

while staying hands-on in code daily. Key Responsibilities Payment Systems Ownership & Architecture Own payment microservices end-to-end — design, build, deploy, and operate Node.js services (orders, payment, reconciliation, virtual accounts, payout orchestration) handling real-time financial transactions at scale. Design for correctness and failure: idempotent, retry-safe, reconciliable systems … backend/distributed systems; prior experience in fintech, payments, on-and-offramp provider, or banking infrastructure strongly preferred . Strong hands-on expertise in Node.js (TypeScript preferred) for performant, production-grade backend services. Deep experience with MongoDB — schema design, aggregation pipelines, indexing strategy, and performance tuning at scale. Proficiency with ...

Full Stack Developer Join an Iconic Global Brand Undergoing Digital Transformation We are a globally recognised multimedia organisation with a rich heritage and an exciting future. As we continue a significant programme of digital transformation ...

Senior Full Stack Software Developer (React/TypeScript/Node) Fully remote and flexible working - £50,000 - £60,000 A fantastic opportunity for a Senior Full Stack Software Developer to join a leading HealthTech company, joining a growing remote digital team and helping to build their scalable, high quality modern … contribute to software architecture and help to influence technical direction. You will likely have some of the following experience: React TypeScript/JavaScript NodeJS Azure cloud tech An understanding of modern architecture for developing web applications Agile development The team work on a remote basis, with very infrequent meet ...

through investments, partnerships, and incubation of projects. Working at Wintermute We are looking for an experienced Product Manager to lead the development of our NODE platform, enabling seamless crypto trading experiences for institutional clients. This is a hands‐on, cross‐functional role that will have direct impact. You will work … data‐volume systems (e.g., trading dashboards, live data feeds, streaming analytics, order management systems). Strong command of the modern frontend stack: TypeScript, React, Node.js — and the ability to evaluate and adopt new technologies as needed. Hands‐on server‐side experience: building and maintaining backend services, APIs, and data pipelines ...

shifting gears, enjoy working across the stack and want to keep growing as full-stack engineers. You’ll work mainly with TypeScript, React and Node, with opportunities to contribute to Java, Scala, iOS and Android as you grow across the stack. You do not need to be an expert … should also be happy working with customers when needed. Key Responsibilities Build and maintain full-stack applications, integrations and internal tools using React, TypeScript, Node.js, Express and SQL, while also contributing to Java, Scala, iOS and Android Work closely with Product Support to build tools that help them resolve more ...