351 to 375 of 478 Node.js Jobs in London

integrations powering Citi's digital asset infrastructure, spanning tokenization, on-chain settlement, and protocol connectors. You will work with Java/Spring or Node.js backends, integrate Web3 libraries, and contribute to secure, scalable enterprise-grade Web3 solutions within an Agile, globally distributed team. #J-18808-Ljbffr ...

deliver fast, accessible SPAs. Working with designers and the wider engineering team, you will write modular front-end code using HTML, JavaScript, Next.js and Node.js, follow coding standards, and contribute to performance, tooling, and documentation. #J-18808-Ljbffr ...

unified platform serving millions and expanding in the UK. We are seeking a backend engineer to develop scalable systems, APIs, and integrations using Node.js/TypeScript in a hybrid London-based role. You will own features end-to-end, work with cloud architectures, CI/CD, and data tools ...

collaborate with a distributed team, focus on performance, scalability, and data modeling with PostgreSQL/MySQL/MongoDB, and implement RESTful APIs using Python, Node.js, Java, Go, or C#. 4+ years of experience required. This fully remote role offers flexible hours, competitive compensation, and opportunities to work on #J ...

office and 2 days from home. We’re seeking a Software Engineer with 2+ years of professional experience to build a scalable backend on Node.js/Typescript, using Google Cloud Platform and PostgreSQL, while shaping the investor-facing platform for thousands daily. You will collaborate with Product and other engineers ...

Engineering experience at tech and product-driven companies You use Windows as your main OS, and have done for several years Proficiency with TypeScript, Node.js, and React Experience building and maintaining desktop apps on Windows (Electron experience is a big plus!) Comfortable navigating Windows-specific APIs and tooling when needed ...

experience at tech and product-driven companies You use Windows as your main OS, and have used it for several years Proficiency with TypeScript, Node.js, and React Experience building and maintaining desktop apps on Windows (Electron experience is a big plus!) Comfortable navigating Windows-specific APIs and tooling when needed ...

experience designing and improving integration architecture across multiple services. Strong engineering background in modern web stacks, with deep practical experience in CDP’s stack (Node.js, React, Nest.js) and working knowledge of Azure‐based systems. Experience setting standards and aligning multiple teams on shared technical approaches, without slowing delivery. Ability ...

Qualifications & Experience 6-8 years of experience working in engineering and/or product roles, including startup or scale up experience Built products using nodejs frameworks, in cloud platforms with full CI/CD Using AI to accelerate product velocity from prototype to production Equally comfortable with high level strategy ...

handling, latency, and speech tuning. Ability to debug complex issues using transcripts, context, input, tool arguments, Voice Gateway logs, API responses, Insights, and Code Node logs. Desirable skills: Cognigy certification; advanced conversation design or voice UX experience, including persona design, tone-of-voice definition, dialogue repair strategy, multilingual copy design ...

other members of the team Work on client-facing applications in React/Next.js and our mobile app in React Native Design and build Node.js/GraphQL APIs Maintain and improve the quality of the software we deliver, the codebases we work on and the tooling we use. Regularly deploy … safe You’ll need... 3-5 years’ experience as a mobile app developer Senior level experience in modern JavaScript applications written with ECMAScript, TypeScript, Node.js, React, Next.js, etc Experience designing and developing HTTP APIs in Node.js Understanding of DevOps/modern infrastructure practices (AWS, Docker/Kubernetes ...

Title: Senior Software Engineer (Node.js) Location: Westminster, London OR Leeds (Hybrid) Working: 40% onsite Clearance: SC Clearance/Eligible to obtain Our client is a UK public-sector organisation undergoing significant digital transformation, with an expanding Digital, Data & Technology function. They are seeking a Senior Software Engineer to develop modern … scalable, secure and user-focused technology solutions. The Role You'll work alongside technical leads, senior stakeholders, product managers and other engineers to develop Node.js applications, APIs, microservices and serverless solutions . You'll play a key role in technical delivery, ensuring solutions are scalable, maintainable and aligned with security ...

have a university degree; many of us are self-taught. Our Tech Stack Frontend: JavaScript/TypeScript, React, Redux (with Redux-Sagas) Backend: Golang & NodeJS , with PostgreSQL and MongoDB Architecture: Microservices, APIs, and serverless services Infrastructure & tooling: AWS, Terraform, Docker, Kubernetes, Redis, CI/CD pipelines Practices: Automation-first, metrics … team. On a day-to-day basis you’ll Write clean, maintainable, scalable, and well-tested code across Frontend and Backend (React, Go, Node etc.). Collaborate closely with Designers, PMs, and fellow Engineers to scope, design and deliver features end-to-end. Build and maintain services, APIs and internal ...

similar), including catalogues, data feeds, deeplinks and email/in‐app templates Build internal tools, automations and scripts (for example in Python or Node) that connect systems, improve workflows and power pLTV, dashboards and alerting Collaborate closely with Growth, Marketing and Data to scope experiments and quickly ship A/… current tech stack: Frontend: React Native (iOS and Android) Typescript GraphQL (Apollo Client) Fastlane SwiftUI (Apple Watch) Maestro E2E tests Backend: Serverless (AWS) Lambdas (NodeJS & Python) AWS AppSync DynamoDB, S3, SQS, SNS, EventBridge, SageMaker Snowflake All the other good stuff: Sentry GitHub Actions Intercom, Mixpanel RevenueCat App Store Connect/ ...

that support teams across the charity. This is an exciting opportunity to work across the full technology stack, developing modern React and Next.js applications, Node.js services, APIs and cloud-based AWS solutions. You will play a key role in maintaining and improving systems that enable colleagues across the organisation … while helping shape our engineering standards and technical direction.**What you will be doing**· Developing and supporting full stack solutions using TypeScript, React, Next.js, Node.js and AWS.· Designing and maintaining APIs, backend services and cloud-based integrations.· Taking ownership of applications and services within our Corporate Operations portfolio.· Supporting ...

quality, innovation, and continuous improvement. Job Responsibilities Apply advanced technical skills to design, develop, and deliver full-stack solutions across frontend (React) and backend (Node.js/TypeScript, Python) services Create secure, high-quality production code and maintain algorithms that run reliably and synchronously with appropriate systems Produce architecture and design … practical experience in system design, application development, testing, and operational stability Proficiency in modern programming languages, with strong experience in JavaScript/TypeScript (React, Node.js) required Experience developing, debugging, and maintaining code in a large-scale environment using modern programming and database querying languages Solid understanding of agile methodologies, including ...

quality, innovation, and continuous improvement. Job Responsibilities Apply advanced technical skills to design, develop, and deliver full-stack solutions across frontend (React) and backend (Node.js/TypeScript, Python) services Create secure, high-quality production code and maintain algorithms that run reliably and synchronously with appropriate systems Produce architecture and design … practical experience in system design, application development, testing, and operational stability Proficiency in modern programming languages, with strong experience in JavaScript/TypeScript (React, Node.js) required Experience developing, debugging, and maintaining code in a large-scale environment using modern programming and database querying languages Solid understanding of agile methodologies, including ...

Emma is hiring a Senior Backend Engineer to strengthen its backend services in London. You will work closely with the CTO on scalable infrastructure, data processing, and feature-rich integrations, taking ownership of critical components ...

Senior Full-Stack Engineer - AI Startup (Typescript, Node, React) London - 4 days per week in the office Permanent | £120,000 - £150,000 We're working with an exciting early-stage AI startup building an agentic platform for institutional finance . The company is a small, high-performing team of fewer … years' commercial software engineering experience. Strong full-stack development experience with no significant frontend or backend bias. Recent, hands-on experience with: TypeScript React Node.js Proven experience building and maintaining production software . Experience taking ownership of projects and features from development through to production. Regular use of modern ...

platform implications Contribute to the broader architecture vision for On’s composable commerce technology stack Требования: 3+ Years of backend engineering experience with Node.js, TypeScript, or similar technologies Proven experience integrating APIs across commerce, ERP, OMS, or CRM domains Familiarity with headless commerce, microservices, and composable architecture principles Experience with ...

technology startup in London is looking for a Product Engineer focused on the backend. The ideal candidate will have strong proficiency in TypeScript and Node.js and will be responsible for evolving and scaling backend infrastructure. This role requires hands-on experience with cloud services and a solid understanding of relational ...

seeking an experienced Node.js Developer to join a growing technology team responsible for designing, developing, and maintaining scalable cloud-based applications. The successful candidate will have strong experience with Node.js , Microsoft Azure , Azure Functions , Cosmos DB , and GitHub within modern DevOps and Agile delivery environments. Key Responsibilities Design, develop … maintain high-performance backend applications using Node.js . Build and deploy scalable cloud-native solutions within the Microsoft Azure ecosystem. Develop and manage Azure Functions to support event-driven and serverless architectures. Design, optimise, and maintain data solutions using Azure Cosmos DB . Collaborate with cross-functional teams to define ...

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 ...