126 to 150 of 151 Node.js Jobs in London

working with a consultancy feeding into the public sector looking for a mid-level NodeJS developer. Inside IR35 Fully remote (1x in the contract to London) £350 per day Public sector experience desirable Skill set: AWS, Typescript, Javascript, Nodejs, Nunjucks, Gitlab, Docker, EKS (Containerisation), CI/CD, TDD, Accessibility (WCAG ...

Backend Engineer VC-backed Tech : Node/MongoDB Fully remote in the UK Have you worked for a start-up or scale-up software company? Are you passionate about solving clients' real problems and making a difference in their business? Do you have 5+ years' commercial development experience in NodeJS … initiatives and features development Participate as a team member in fully agile Scrum deliveries Backend Engineer Requirements 5+ years experience developing applications in Node.js Experience with MongoDB or other non-relational databases Experience in a start-up and scale-up software company Experience in development of distributed/scalable systems ...

global leader in the digital marketing space. The ideal candidate will be a Full Stack Engineer with experience with JavaScript, TypeScript, MongoDB, React and Node.js and are happy to work fully remote. THE ROLE: Design, deploy and maintain clean code Build scalable backend services in Node.js and TypeScript Design … databases in PostgreSQL and MongoDB Troubleshoot all systems to ensure a smooth implementation THE PERSON: Full Stack Experience Familiar with JavaScript, TypeScript, MongoDB, PostgreSQL, Node.js and React Ability to work fully remote REFERENCE: BBBH24495 Keywords: Outside IR35, Remote, Software Developer, Software Engineer, JavaScript, Cloud, Remote, Contract, If you're interested ...

quality JavaScript (ReactJS/TypeScript) code Collaborate closely with engineering and product teams to deliver new features and tools Contribute to backend services using Node.js Work with systems such as Redux for efficient state management Ensure code quality through testing frameworks Build and deploy using AWS cloud infrastructure Skills & Experience … Required Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with Playwright/Cypress/Jest If the above is of interest, please apply with an updated copy ...

join as a Senior Lead Software Engineer, working closely with the Director of Engineering to: Design and build scalable backend services (TypeScript/Node.js + Python) Architect systems that ingest and process large-scale intelligence data Own and evolve AWS infrastructure Implement Infrastructure-as-Code Establish engineering standards, patterns … backend focus, but you’re comfortable contributing across the stack when needed. What They’re Looking For 4+ years backend experience (strong TypeScript/Node.js + Python) Hands-on AWS infrastructure experience in production environments Comfortable owning problems end-to-end Someone who cares about doing things properly from ...

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. ...

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. ...

help build the next generation of their consumer platform. Quick overview • Salary: £100k–£120k • Location: London (hybrid, 3 days in office) • Stack: TypeScript, Node.js, React • Team: Small, high ownership engineering team • Product: High-traffic consumer platform used daily What you’ll be working on • Building and scaling consumer-facing product … engineering standards • Experimenting with AI-powered tooling and product features What they’re looking for • Strong TypeScript experience across backend and frontend • Solid Node.js backend experience • Experience building customer-facing products • Comfortable operating in fast-moving startup or scale-up environments • Engineers who actively use AI tooling in their development ...

Azure Building and maintaining Docker-based container solutions for consistent test execution Developing scalable automated test frameworks from the ground up using Java and Node.js Creating and executing automated test suites covering functional, regression and non-functional testing Carrying out robust API testing to ensure seamless service integrations Applying service … lifecycle Main Skills Needed: Strong background in software testing and automation engineering Experience building automation frameworks from scratch Solid programming capability in Java and Node.js Hands-on experience with CI/CD tooling such as GitHub Actions and Maven Proven expertise with Terraform and Infrastructure as Code principles Practical experience ...

data leaders Hands-On Engineering Develop high-quality front-end features using React (Vite) + Tailwind Design and ship scalable, type-safe APIs using Node.js, Express, and tRPC Optimise and maintain PostgreSQL databases and query performance Collaborate with the data team to evolve Elasticsearch-driven architecture Own delivery of complex … leading architectural decisions and system design initiatives Strong full-stack capability in modern JavaScript/TypeScript environments Tech Stack Frontend: React (Vite), Tailwind Backend: Node.js, Express, tRPC Databases: PostgreSQL, Elasticsearch Strong adjacent experience is also welcomed. Nice to Have Experience in PropTech or data-heavy platforms Familiarity with UK property ...

high-quality contributions across the full stack Develop performant, accessible front-end features using React (Vite) + Tailwind Design and ship scalable APIs using Node.js, Express, and tRPC Maintain and improve PostgresQL database and query performance Work closely with our data team to evolve Elasticsearch-driven architectures Own delivery … architecture or system design initiatives Experience mentoring or managing engineers Strong experience with our stack (or strong adjacent experience): Frontend: React (Vite), Tailwind Backend: Node.js, Express, tRPC Databases: PostgreSQL, Elasticsearch ➕ Desired Experience Working in PropTech or data-heavy product environments Prior experience building or scaling engineering teams Familiarity with ...

Senior Software Engineer (Angular/Node.js/Terraform) Contract Inside IR35 Rate: Up to £440 per day Duration: 3 months+ Remote (with occasional travel to London) Start: ASAP Security Clearance: Active SC required About the opportunity Exalto Consulting is supporting a confidential client on a nationally significant programme delivering secure ...

applications for performance, scalability, and security. - Contribute to the evolution of front-end and back-end systems using modern web technologies such as React, Node.js, and TypeScript. What You Will Bring: - Strong proficiency in HTML, CSS, and JavaScript, with a solid grasp of best practices. - Proven experience with Node.js ...

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 ...

Senior Software Engineer | Staff Software Engineer | Senior Backend Engineer | Staff Backend Engineer | Node.js | TypeScript | PostgreSQL | AI Agents | B2B | SaaS Software Recruitment Solutions is partnered with a well-funded, AI-native B2B SaaS startup backed by top-tier investors, building software that automates the manual overhead slowing down sales and marketing … experienced Backend Software Engineer (Snr/Staff) to build and own the backend systems powering their core AI agent feature. Key skills: Node.js TypeScript PostgreSQL What you'll be working on: Building the backend for the platform's AI agent feature. Developing and maintaining the core APIs. Designing how agents ...

Senior Software Engineer | Staff Software Engineer | Senior Backend Engineer | Staff Backend Engineer | Node.js | TypeScript | PostgreSQL | AI Agents | B2B | SaaS Software Recruitment Solutions is partnered with a well-funded, AI-native B2B SaaS startup backed by top-tier investors, building software that automates the manual overhead slowing down sales and marketing … experienced Backend Software Engineer (Snr/Staff) to build and own the backend systems powering their core AI agent feature. Key skills: Node.js TypeScript PostgreSQL What you'll be working on: Building the backend for the platform's AI agent feature. Developing and maintaining the core APIs. Designing how agents ...

Delivery Manager Supported by 1 Architect; Product hire joining soon Distributed across UK & Poland; hybrid working with optional Holborn office Required Skills & Experience Node.js & TypeScript in production systems AWS or other cloud at scale Experience owning large, complex backend systems Proven mentorship or tech lead experience Strong system design & architecture ...

Senior Backend Engineer (Full Stack, backend-leaning) will take ownership of complex backend REST API Services and deliver scalable systems using TypeScript and Node.js . You will closely with Product, Engineering and Operations, working alongside the Lead Engineer to refine technical direction, improve delivery standards and elevate system reliability. … Senior Backend Engineer (Full Stack, backend-leaning) will... • Design and maintain scalable Node.js/TypeScript services and REST APIs • Own backend initiatives end-to-end, from architecture to rollout • Strengthen testing strategy across unit and integration layers • Improve data and integration workflows with observability and resilience • Optimise Postgres ...

Software Engineer x 3 (React, TypeScript, Nextjs, Nodejs) £90,000 to £120,000 + equity London, Finsbury Park | 3 per week in office Neulinx have partnered with a 15 person, Series A London technology company building a developer first platform that enables modern product teams to embed powerful, real-time … stack when needed, but this is very much a product engineering role with a strong frontend bias. Tech stack includes: • React • TypeScript • Next.js • Node.js You will: • Build and scale core product features across the web application and SDK • Collaborate closely with product and design from idea through to release ...

define the next generation of the Nothing OS experience. Translate wild, experimental concepts into robust, production-grade full-stack applications using Next.js, React, and Node/Python. Optimise the "feel" of AI; you will obsess over latency, real-time performance, and the micro-interactions that make a digital assistant feel … than perfect code on your local machine. Technical Excellence: You bring battle-hardened experience with React and Next.js, backed by strong backend skills in Node.js or Python. You know your way around microservices and cloud-native infrastructure. A Drive to Own It: You are comfortable working in ambiguity. ...

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 … ordering, consistency) Work closely with finance and risk to model real-world financial flows Contribute to architectural direction and technical standards Required Experience Strong Node.js and TypeScript Good SQL and ORM experience Demonstrable experience building or operating event-sourced systems Experience designing aggregates, commands, events, and projections Strong understanding ...

Senior Software Engineer (Node.js & React Native) Permanent role 🚀 📍 Central London (4 days in-office, 1 day WFH) 🧠 Senior level (5+ years) 💼 Full-time 💸 Up to 95k Join a fast-growing fintech powering co-branded card programmes for leading travel and hospitality brands like Marriott International and Hilton. The platform combines … revenue streams and deepen customer engagement. I am looking for a hands-on senior engineer who can: - Architect and scale backend services in Node.js - Lead development of a React Native app (iOS & Android) - Own technical direction across projects - Mentor engineers and champion best practices - Collaborate cross-functionally to deliver seamless ...

interactions—that define the next generation of the Phone (3) and Nothing OS experience. Translate experimental AI concepts into robust, production-grade applications using Node.js, Python, and Next.js. Bridge the gap between web services and hardware, working with our OS teams to blur the lines between mobile, web, and embedded … while ensuring 99.9% uptime for our global users. What We're Looking For Technical Excellence: You bring battle-hardened experience in backend development with Node.js or Python, and you are comfortable navigating microservices and cloud-native infrastructure. A Drive to Own It: You thrive in ambiguity and don't wait ...

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 ...