26 to 44 of 44 Node.js Jobs in Central London

prepares for its next growth phase and Series A. The Role We’re looking for a Senior Software Engineer with strong TypeScript, Python and Node.js experience to help design and build core backend services powering the platform. This role has a heavy backend focus, working on APIs, distributed systems … data pipelines that process large volumes of external signals. What You’ll Work On • Designing and building backend services using Node.js, Python and TypeScript • Developing APIs and integrations with internal and external data sources • Working on data ingestion pipelines and event-driven systems • Writing clean, maintainable, and well-tested code ...

radio industry thrive in a connected world. About a role We are looking for a Senior Full Stack Developer with solid experience in Node.js and serverless technologies on AWS. The ideal candidate is capable of designing and developing scalable APIs, managing infrastructure with Cloudformation, and building modern user interfaces with … that handles billions of API calls, requiring strong attention to scalability, performance, and reliability. Key Responsibilities Design, develop, and maintain microservices and RESTful APIs (Node.js + AWS Lambda) Write and manage infrastructure-as-code Handle data and queries using relational databases (e.g., PostgreSQL) Collaborate in designing and developing the user ...

software engineers Architected and built performant, scalable, resilient public facing products Experience in Javascript Experience with state management systems such as Redux Experience in Node JS and Express Experience in AWS cloud platforms Bonus if you have: An understanding digital advertising or Google Ad Manager (DFP) Experience building applications with ...

varying seniority and disciplines) to develop their abilities and help mentor and guide them to the best results Position Requirements: Development experience with JavaScript (NodeJS) 5+ years of experience dealing with a varying set of databases 3+ years of experience with designing and managing/maintaining software architecture 3+ years ...

roadmap at a high-growth fintech scale-up working with top-tier global financial institutions. The role involves building and scaling backend systems in Node.js and Python, deploying on AWS (Lambda, DynamoDB, PostgreSQL), and collaborating closely across engineering, product, and customer teams. 💼 Ideal Candidate: Proven experience with backend/fullstack … development using Node.js , Python , and AWS serverless architecture Strong database design skills (PostgreSQL, DynamoDB, Elasticsearch) Familiarity with frontend frameworks like Vue or React Comfortable mentoring developers and influencing technical direction Experience in financial services or a data-heavy B2B environment is a plus 🛠 Tech Stack: Node.js , Python , AWS (Lambda, DynamoDB ...

members to define software requirements and take the lead on operational and technical projects. Utilise React and Next.js for modern web application development. Use Node.js and related tools for effective backend development. Design and implement effective UIs with a focus on user experience, using TypeScript, JavaScript, and CSS. Integrate frontend … pipelines. Ensure software quality by incorporating best practices in testing, including TDD. Required Skills & Qualifications: Strong experience with React and Next.js. Proficiency in Node.js and related web development tools. Proven ability in UI development and design, focusing on clean, intuitive user interfaces. Proficiency in TypeScript and JavaScript. Solid understanding ...

We're looking for a Senior Software Engineer to join a growing team building smart, scalable tools used by professionals across a range of industries. You'll work onsite in London, helping shape robust backend ...

close-knit engineering team in a high-performing culture built on trust, clarity and psychological safety Take ownership of event-driven architecture using Node.js, TypeScript, DynamoDB and AWS Lambda, and build frontend applications in React/TypeScript Shape reusable software components across the stack and deliver major features from concept … resilience across the full product experience. Responsibilities: Build and maintain fullstack features across frontend and backend services Write clean, maintainable code using TypeScript (Node.js backend) Design reusable components and patterns that scale across the platform Build event-driven applications using AWS Lambda and AWS API Gateway Contribute to modern frontend ...

development tools (including the latest LLM models) as part of day-to-day engineering workflows Tech Stack You’ll primarily be working with: TypeScript (Node.js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tooling (Grafana, Prometheus, SonarQube) Requirements 8+ years of professional software … development experience 3+ years hands-on TypeScript experience , including Node.js and React Strong experience building and maintaining production-grade systems Comfortable working within a senior, autonomous engineering team Excellent communication skills and fluent English Able to work hybrid from Waterloo, London Nice to Have Experience with functional programming concepts ...

contracts in Rust (e.g., Soroban or similar frameworks) Architect and implement L2-integrated systems (rollups, bridges, settlement layers) Develop backend services and APIs using Node.js/Next.js Deploy and manage scalable systems on AWS (Lambda, ECS, S3, RDS, etc.) Create secure, performant systems with strong attention to key management … Layer 2 solutions (e.g., rollups, zk systems, optimistic L2s) Familiarity with blockchain architecture, consensus, and security best practices Backend & Infrastructure Experience with Next.js/Node.js (API routes, server-side rendering, etc.) Strong experience with AWS (serverless and container-based architectures) Experience designing distributed systems and microservices Database experience (PostgreSQL, DynamoDB ...

Staff & Principal Full Stack Engineer role | Hyper-Growth Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | £110k-150k + Equity | 3 days hybrid in London Opportunity: We're supporting a hyper-growth fintech client that is also tech-for-good. They’ve got big hiring plans for the year … currently looking for Snr, Staff & Principal Full Stack Engineers to join the team. You’ll be working with Typescript, React.js, Node.js, Next.js & more, working to shape the product direction and technical architecture as they continue to scale their business and expand into new markets. What You'll Be Doing ...

their backend career who’s excited to learn, ship, and grow. Key responsibilities: Build and maintain server-side logic using modern backend frameworks (e.g. Node.js, Python, Go) Work with APIs — designing, integrating, and maintaining RESTful endpoints Support database design and optimisation (e.g. PostgreSQL, MongoDB) Collaborate with front-end and product … looking for: 1–2 years of experience (including internships or personal projects) in backend development Proficiency in at least one backend language (Node.js, Python, Go, etc.) Basic understanding of how REST APIs work Familiarity with databases and version control (e.g. Git) Strong problem-solving mindset and attention to detail ...

Full Stack Engineer | TypeScript, React, Node.js, AWS | Hybrid (Central London - fortnightly) | £70-90k Would you like to join a team focussed on cutting-edge technology, in an environment that propagates exploring new tools & techniques? I'm working with an established fintech organisation that provide essential backend services for thousands … need Strong commercial experience with full stack TypeScript development (it's ok to have a backend lean or be fully full stack (Node.js/React/Next.js) Good experience of AWS and exposure to DevOps (for example, they would love someone to be keen on learning Terraform if they ...

play a key role in building and scaling backend systems. The position is heavily backend-focused , with Kotlin as a core technology, alongside Node.js and TypeScript. Frontend work (React) is secondary. We’re looking for a polyglot engineer , but with deep Kotlin experience , who can provide technical leadership, mentor engineers … delivery across teams. What You’ll Do Design and build scalable backend services with a strong focus on Kotlin Contribute to backend development using Node.js and TypeScript where required Support frontend development with React (secondary focus) Lead technical design and influence architectural decisions Mentor engineers and guide best practices across ...

build and maintain features across the CASA platform Develop front-end functionality using React.js Build back-end services, APIs, and application logic using Node.js Work with MongoDB to manage, structure, and optimise application data Help ensure smooth integration between front-end and back-end systems Write clean, maintainable, and efficient … performance, reliability, and user experience Collaborate effectively in a remote team environment Requirements Experience working across the full stack Good working knowledge of React.js, Node.js, and MongoDB Strong understanding of front-end and back-end development principles Ability to build and integrate client-side and server-side features Familiarity with ...

focus is understanding and documenting existing systems, with the goal of supporting decommissioning activities. The role centres on analysing current solutions built using Java, Node JS, and React, and developing a clear, end to end picture of how data flows across the wider programme. This includes documenting data flows, system … trusted. Experience working in cloud environments such as AWS or Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data Quality e.g. ...

engine while ensuring the frontend experience is world-class. You’ll: Build & Own: Lead the development of new features across the entire stack (Node/Python, React, and Postgres). AI Integration: Design and build the interfaces and APIs that allow our users to interact seamlessly with LLMs and conversational … ground up as we grow. What We’re Looking For The Full Stack: Strong experience with modern frontend frameworks (React) and backend environments (Node.js, Python, or similar). Startup DNA: You are comfortable in a fast-moving, seed-stage environment where you often have to figure things out from scratch. ...

development tooling extensively, and our product workflows include AI-driven data extraction and understanding layers. Team & Environment Small, high-calibre engineering team TypeScript monorepo Node.js services tRPC API layer Postgres + Prisma GCP infrastructure Strong product-engineer ownership model High autonomy, high accountability Engineers work directly with Risk, Finance, Operations … initiatives Cross-functional coordination (Risk, Finance, Bank stakeholders) Maintaining high engineering standards Contributing technically to key projects Required Experience Strong full-stack engineering background (Node/TypeScript preferred) Experience leading projects end-to-end Experience mentoring or leading engineers Exposure to stakeholder management Structured thinking around planning and sequencing work ...

space and has a real hunger to work in a lean but highly skilled team. Responsibilities: Build and maintain high-performance backend services with Node.js/Bun.js + TypeScript Design and optimize APIs and database queries for a large concurrent user base Work with Postgres and Opensearch to power real … time data and analytics Collaborate with Product, Design, and users to deliver reliable backend solutions Requirements: 5+ years of backend engineering experience with Node.js/Bun.js and Typescript. Strong experience building scalable APIs and high-traffic backend systems. Experience with Postgres and blockchain data systems. Benefits: Up to $250k Bonus ...