501 to 525 of 670 Node.js Jobs in London

month initial contract (extensions likely) GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. Deliverables Design & develop GraphQL API services from schema, supergraph, subgraph design to production … integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at scale. … Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus, Grafana, OpenTelemetry, DataDog, APM tools Understanding of More ❯

month initial contract (extensions likely) GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. Deliverables Design & develop GraphQL API services from schema, supergraph, subgraph design to production … integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at scale. … Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus, Grafana, OpenTelemetry, DataDog, APM tools Understanding of More ❯

candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. The Role Design & develop GraphQL API services from schema, supergraph, subgraph design to … production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at … Share GraphQL expertise and championing technical excellence. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus More ❯

candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. The Role Design & develop GraphQL API services from schema, supergraph, subgraph design to … production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at … Share GraphQL expertise and championing technical excellence. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus More ❯

candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. The Role Design & develop GraphQL API services from schema, supergraph, subgraph design to … production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at … Share GraphQL expertise and championing technical excellence. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus More ❯

candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. The Role Design & develop GraphQL API services from graph/supergraph/subgraph … design to production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and … Share GraphQL expertise and championing technical excellence. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus More ❯

Senior Software Engineer – Fullstack/Backend Leaning (TypeScript, Node.js, React, AWS) Full-time | London (Hybrid) Our client is a well-funded, high-growth FinTech SaaS business redefining how private equity operates. The platform empowers investment professionals through automation and intelligent collaboration, replacing the manual, fragmented processes that have long dominated the industry. Founded by seasoned private equity and technology experts … features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative … challenges across document parsing, data visualisation, and ML integration Who You Are 5+ years’ experience in high-growth or scale-up SaaS environments Deep expertise in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product More ❯

Senior Software Engineer – Fullstack/Backend Leaning (TypeScript, Node.js, React, AWS) Full-time | London (Hybrid) Our client is a well-funded, high-growth FinTech SaaS business redefining how private equity operates. The platform empowers investment professionals through automation and intelligent collaboration, replacing the manual, fragmented processes that have long dominated the industry. Founded by seasoned private equity and technology experts … features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative … challenges across document parsing, data visualisation, and ML integration Who You Are 5+ years’ experience in high-growth or scale-up SaaS environments Deep expertise in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product More ❯

Senior Software Engineer – Fullstack/Backend Leaning (TypeScript, Node.js, React, AWS) Full-time | London (Hybrid) Our client is a well-funded, high-growth FinTech SaaS business redefining how private equity operates. The platform empowers investment professionals through automation and intelligent collaboration, replacing the manual, fragmented processes that have long dominated the industry. Founded by seasoned private equity and technology experts … features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative … challenges across document parsing, data visualisation, and ML integration Who You Are 5+ years’ experience in high-growth or scale-up SaaS environments Deep expertise in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product More ❯

Senior Software Engineer – Fullstack/Backend Leaning (TypeScript, Node.js, React, AWS) Full-time | London (Hybrid) Our client is a well-funded, high-growth FinTech SaaS business redefining how private equity operates. The platform empowers investment professionals through automation and intelligent collaboration, replacing the manual, fragmented processes that have long dominated the industry. Founded by seasoned private equity and technology experts … features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative … challenges across document parsing, data visualisation, and ML integration Who You Are 5+ years’ experience in high-growth or scale-up SaaS environments Deep expertise in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product More ❯

technology that keeps the UK’s essential services running smoothly. What You’ll Do: Develop and maintain scalable web applications for utility clients Work with modern JavaScript frameworks (React, Node.js, etc.) Integrate with APIs and cloud platforms (AWS, Azure, or GCP) Collaborate remotely with cross-functional teams (Product, UX, Data) Contribute to best practices and technical decisions What We’re … Looking For: Strong experience with JavaScript (ES6+) Proficiency in React, Node.js, or similar frameworks Experience in the utilities sector is a plus Solid understanding of REST APIs and cloud environments Agile team experience and excellent communication skills Contract Details: Fully remote (UK-based) Day rate: Competitive Role outside IR35 Duration: 6 months (with potential extension) Interested or know someone who More ❯

technology that keeps the UK’s essential services running smoothly. What You’ll Do: Develop and maintain scalable web applications for utility clients Work with modern JavaScript frameworks (React, Node.js, etc.) Integrate with APIs and cloud platforms (AWS, Azure, or GCP) Collaborate remotely with cross-functional teams (Product, UX, Data) Contribute to best practices and technical decisions What We’re … Looking For: Strong experience with JavaScript (ES6+) Proficiency in React, Node.js, or similar frameworks Experience in the utilities sector is a plus Solid understanding of REST APIs and cloud environments Agile team experience and excellent communication skills Contract Details: Fully remote (UK-based) Day rate: Competitive Role outside IR35 Duration: 6 months (with potential extension) Interested or know someone who More ❯

Senior Software Engineers – TypeScript/Node.js/SQL/Kafka/GraphQL 📍 Central London | 💼 Equities Trading Business | No finance experience required. Miller Maxwell is assisting a leading equities trading business in expanding their core software engineering team. Based in their central London headquarters, the successful Senior Software Engineers will play a key role in the design and development of their … performance trading platform, which supports the execution and analysis of equity trades. 🔧 Key Responsibilities for the Senior Software Engineer: Architect, design, and implement scalable backend services using TypeScript and Node.js . Develop and optimize SQL queries and database schemas for high-volume data processing. Integrate and manage Kafka for real-time data streaming and event-driven architecture. Build and maintain … for the Senior Software Engineer: 🎓 Degree in Computer Science, Engineering, or a related STEM field. 🧠 Minimum 5 years of commercial experience in backend development. 💻 Strong proficiency in TypeScript and Node.js . 🗃️ Solid experience with SQL databases (e.g., PostgreSQL, MySQL). 🔄 Hands-on experience with Kafka or similar messaging systems. 🌐 Experience designing and implementing GraphQL APIs. 🧪 Familiarity with testing frameworks and More ❯

Senior Software Engineers TypeScript/Node.js/SQL/Kafka/GraphQL Central London | Equities Trading Business | No finance experience required. Miller Maxwell is assisting a leading equities trading business in expanding their core software engineering team. Based in their central London headquarters, the successful Senior Software Engineers will play a key role in the design and development of their … performance trading platform, which supports the execution and analysis of equity trades. Key Responsibilities for the Senior Software Engineer: Architect, design, and implement scalable backend services using TypeScript and Node.js . Develop and optimize SQL queries and database schemas for high-volume data processing. Integrate and manage Kafka for real-time data streaming and event-driven architecture. Build and maintain … for the Senior Software Engineer: Degree in Computer Science, Engineering, or a related STEM field. Minimum 5 years of commercial experience in backend development. Strong proficiency in TypeScript and Node.js . Solid experience with SQL databases (e.g., PostgreSQL, MySQL). Hands-on experience with Kafka or similar messaging systems. Experience designing and implementing GraphQL APIs. Familiarity with testing frameworks and More ❯

risks early, and support production issues when required. Tech you’ll work with Front end: ASP.NET Core 6-8 (MVC, Razor Pages, Blazor), JavaScript, jQuery, Bootstrap, CSS/LESS, Node/gulp Back end: .NET 6-8 (C#), EF Core (code-first), SQL (Azure SQL, LocalDB, SQLite for tests) Toolchain: Visual Studio 2022, Git, .NET SDK/CLI, NuGet, npm … DevOps. Comfortable owning features end-to-end and collaborating in Agile teams. Nice to have Azure PaaS (App Service, Azure SQL, Storage, Key Vault). Front-end build tools (Node, npm, gulp, LESS) and UI polish with jQuery/Bootstrap. DevExpress components; performance tuning (EF/SQL); experience supporting live systems. What’s on offer Impactful work on cloud products More ❯

scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native … by working within a cross-functional Agile team to guide process improvements and make key architectural decisions. Experience Extensive production experience architecting and delivering complex applications with TypeScript and Node.js . Expert level GraphQL , including advanced API design, schema evolution, performance optimisation. Strong automated testing frameworks like Vitest and Playwright . Proficiency with modern DevOps tooling and cloud-native architecture More ❯

is supported, and your work helps shape a platform used every day by modern companies. What you will do: Implement and maintain features across the stack using React, TypeScript, Node.js, NestJS, PostgreSQL and AWS Collaborate closely with senior engineers, product and design to deliver well-scoped features from start to finish Participate in code reviews, share knowledge and grow your … S3, SES, CloudFront, CDK) with support from senior teammates. What we are looking for: Proven experience shipping fullstack features in a product-driven team String skills with React, TypeScript, Node.js, and PostgreSQL Working knowledge of AWS services (ECS, RDS, S3, CloudFront, etc. Hands on with modern workflows and tooling, for example GitHub, GitHub Actions, Linear, Sentry Ability to scope medium More ❯

is supported, and your work helps shape a platform used every day by modern companies. What you will do: Implement and maintain features across the stack using React, TypeScript, Node.js, NestJS, PostgreSQL and AWS Collaborate closely with senior engineers, product and design to deliver well-scoped features from start to finish Participate in code reviews, share knowledge and grow your … S3, SES, CloudFront, CDK) with support from senior teammates. What we are looking for: Proven experience shipping fullstack features in a product-driven team String skills with React, TypeScript, Node.js, and PostgreSQL Working knowledge of AWS services (ECS, RDS, S3, CloudFront, etc. Hands on with modern workflows and tooling, for example GitHub, GitHub Actions, Linear, Sentry Ability to scope medium More ❯

We are seeking highly skilled and motivated Generative AI Engineers to join our growing AI team. You will be responsible for designing, developing, and deploying cutting-edge Generative AI solutions using LLMs, Transformers, and Diffusion models. This role involves working More ❯

We are seeking highly skilled and motivated Generative AI Engineers to join our growing AI team. You will be responsible for designing, developing, and deploying cutting-edge Generative AI solutions using LLMs, Transformers, and Diffusion models. This role involves working More ❯

We are seeking highly skilled and motivated Generative AI Engineers to join our growing AI team. You will be responsible for designing, developing, and deploying cutting-edge Generative AI solutions using LLMs, Transformers, and Diffusion models. This role involves working More ❯

Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … financial services across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities … Build the new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web More ❯

Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … financial services across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities … Build the new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web More ❯

Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … financial services across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities … Build the new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web More ❯

Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … financial services across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities … Build the new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web More ❯