23 of 23 NestJS Jobs in the City of London

Experience Proven experience with PHP (backend) and TypeScript/React (frontend). Track record of leading or mentoring in engineering teams. Experience building greenfield projects Familiarity with Node.js/NestJS is desirable but not essential. Strong understanding of design patterns, scalability, and system performance. DevOps experience (Docker, AWS, CI/CD pipelines) would be highly valued. Strong database expertise (MySQL More ❯

Experience Proven experience with PHP (backend) and TypeScript/React (frontend). Track record of leading or mentoring in engineering teams. Experience building greenfield projects Familiarity with Node.js/NestJS is desirable but not essential. Strong understanding of design patterns, scalability, and system performance. DevOps experience (Docker, AWS, CI/CD pipelines) would be highly valued. Strong database expertise (MySQL More ❯

reliable, scalable systems and deliver high-quality code that directly influences the platform’s performance and customer experience. Key Responsibilities Design, develop, and maintain backend services using Node.js and NestJS Build and support microservices and event-driven architectures Develop clean, maintainable, and well-tested code Create and optimise RESTful APIs with strong attention to performance and security Model and optimise More ❯

reliable, scalable systems and deliver high-quality code that directly influences the platform’s performance and customer experience. Key Responsibilities Design, develop, and maintain backend services using Node.js and NestJS Build and support microservices and event-driven architectures Develop clean, maintainable, and well-tested code Create and optimise RESTful APIs with strong attention to performance and security Model and optimise More ❯

Angular Developer Salary: £70,000 to £80,000 base salary (depending on experience) plus benefits, perks and healthcare options! Location: Hybrid Job Type: Permanent We are on the lookout for a talented and motivated Angular Developer to join a dynamic More ❯

Full Stack JavaScript Developer Salary: 70,000 to 80,000 base salary (depending on experience) plus benefits, perks and healthcare options! Location: Hybrid Job Type: Permanent We are on the lookout for a talented and motivated Full Stack JavaScript Developer More ❯

web technologies. Commitment to maintaining high quality software through the use of automated testing tools such as Jest and Cypress/Playwright. Experience with backend TypeScript, e.g. Node JS, Nest JS and express. Familiarity with Git and version control. Experience with Agile development methodologies. A pragmatic, right-tool-for-the-job mentality. Passion for delivering exceptional customer experiences and technology More ❯

a pivotal part of the engineering team, with a prominent focus on building out the mobile application in React Native, while moving fluidly across the stack to develop the NestJS backend services and manage the AWS infrastructure required to deliver a secure, seamless financial experience. What This Role Involves 📱 App Development: Building rich, accessible, and responsive front-end experiences, with More ❯

a pivotal part of the engineering team, with a prominent focus on building out the mobile application in React Native, while moving fluidly across the stack to develop the NestJS backend services and manage the AWS infrastructure required to deliver a secure, seamless financial experience. What This Role Involves 📱 App Development: Building rich, accessible, and responsive front-end experiences, with More ❯

into engineering roadmaps and execution plans Provide rapid, high-quality technical assessments during product discussions Maintain balance between team empowerment and hands-on guidance Tech Environment Backend: Node.js/NestJS (must-have) Frontend: React/Angular (either is fine) Python: Not day-to-day, but strong understanding needed to oversee ML/data science function Cloud: GCP stack (AWS or More ❯

Drive engineering best practices (code review, testing, CI/CD) Ensure reliability, security, and performance at scale Hands-On Engineering Write production code in React/Next.js, Node.js/NestJS, Python Build complex features (especially multi-party coordination workflows) Optimize AI model performance and conversational flows Debug critical production issues Team Building Hire and mentor world-class AI and software … Build high-performing, collaborative engineering culture Scale the team strategically (currently 3 engineers → 10+ by EOY) 🛠️ Tech Stack Frontend: React • Next.js • Tailwind • React Query • Shadcn/ui Backend: Node.js • NestJS • MongoDB • Redis • BullMQ • Microservices • GCP AI/ML: Python • LangChain/LangGraph/LangSmith • Qdrant (vector DB) • Pydantic • FastAPI Integrations: WhatsApp Business API • Email • SMS • Webhooks • WebSockets ✅ What We're More ❯

Drive engineering best practices (code review, testing, CI/CD) Ensure reliability, security, and performance at scale Hands-On Engineering Write production code in React/Next.js, Node.js/NestJS, Python Build complex features (especially multi-party coordination workflows) Optimize AI model performance and conversational flows Debug critical production issues Team Building Hire and mentor world-class AI and software … Build high-performing, collaborative engineering culture Scale the team strategically (currently 3 engineers 10+ by EOY) Tech Stack Frontend: React Next.js Tailwind React Query Shadcn/ui Backend: Node.js NestJS MongoDB Redis BullMQ Microservices GCP AI/ML: Python LangChain/LangGraph/LangSmith Qdrant (vector DB) Pydantic FastAPI Integrations: WhatsApp Business API Email SMS Webhooks WebSockets What We're More ❯

team where your ideas genuinely shape the direction of the product and the company. 🔧 What You’ll Be Doing Architect, design, and build backend applications using Node.js (TypeScript) and NestJS . Develop microservices and event-driven systems with asynchronous communication patterns. Write clean, maintainable, and well-tested code (unit + integration). Design and optimise RESTful APIs with a strong … observability tooling, or DevOps-style environments. 🌟 Why You’ll Love It Here Impact & Ownership — You’ll own core backend systems and shape architectural decisions. Modern Tech Stack — Node.js, TypeScript, NestJS, MongoDB, GCP, CI/CD. Equity + Competitive Salary — Get rewarded for the value you help create. Collaborative Culture — Work alongside passionate engineers, product thinkers, and AI specialists. Mission-Driven More ❯

calibre team where your ideas genuinely shape the direction of the product and the company. What Youll Be Doing Architect, design, and build backend applications using Node.js (TypeScript) and NestJS . Develop microservices and event-driven systems with asynchronous communication patterns. Write clean, maintainable, and well-tested code (unit + integration). Design and optimise RESTful APIs with a strong … Kafka, RabbitMQ), observability tooling, or DevOps-style environments. Why Youll Love It Here Impact & Ownership Youll own core backend systems and shape architectural decisions. Modern Tech Stack Node.js, TypeScript, NestJS, MongoDB, GCP, CI/CD. Equity + Competitive Salary Get rewarded for the value you help create. Collaborative Culture Work alongside passionate engineers, product thinkers, and AI specialists. Mission-Driven More ❯

Cutting Edge Fintech Start-Up | Senior Full Stack (Back End Leaning) | £90K+Equity | 2 Day PW LDN Company I am excited to be working with an early-stage start-up that is developing a SaaS platform designed to modernise private equity More ❯

Cutting Edge Fintech Start-Up | Senior Full Stack (Back End Leaning) | 90K+Equity | 2 Day PW LDN Company I am excited to be working with an early-stage start-up that is developing a SaaS platform designed to modernise private equity More ❯

and see their work make a visible difference. 💻 Tech Stack Frontend Next.js (App Router, React Server Components) React + Zustand shadcn/ui + TailwindCSS Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases 🎯 Key Responsibilities Design, build, and maintain scalable full … stack features using TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with data pipelines, integrations, and AI-driven services Write clean, maintainable, and well-tested code Collaborate closely with founders, designers, and product leads 💼 Candidate Requirements Strong experience with Typescript (personal projects are okay) Minimum 1 year of … commercial experience with JavaScript/Node.js Strong experience with React/Next.js and NestJS Solid understanding of SQL databases and API design Comfortable working in a fast-paced startup environment Excellent communication and problem-solving skills 🌟 What’s on Offer Salary up to £36,000 per year (dependent on experience) Hybrid working – 3 days in-office, 2 days remote Flexible More ❯

and see their work make a visible difference. Tech Stack Frontend Next.js (App Router, React Server Components) React + Zustand shadcn/ui + TailwindCSS Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases Key Responsibilities Design, build, and maintain scalable full … stack features using TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with data pipelines, integrations, and AI-driven services Write clean, maintainable, and well-tested code Collaborate closely with founders, designers, and product leads Candidate Requirements Strong experience with Typescript (personal projects are okay) Minimum 1 year of … commercial experience with JavaScript/Node.js Strong experience with React/Next.js and NestJS Solid understanding of SQL databases and API design Comfortable working in a fast-paced startup environment Excellent communication and problem-solving skills Whats on Offer Salary up to 36,000 per year (dependent on experience) Hybrid working 3 days in-office, 2 days remote Flexible working More ❯

at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you. Responsibilities Design and implement scalable backend services using Node.js, TypeScript (NestJS), and Python. Architect and integrate Web3 functionalities throughout the tech stack. Design and implement caching solutions using Redis to optimize application performance. Build and maintain API integrations between frontend and … decisions and implementation strategies. Work closely with product and design teams to implement new features. Contribute to technical documentation and engineering best practices. Requirements Strong experience with Node.js, TypeScript (NestJS), PostgreSQL, AWS, and Redis. Experience with containerization and orchestration using Kubernetes (K8s). Experience with various communication protocols: REST, WebSockets, Server-Sent Events (SSE), etc. Familiarity with IPFS and distributed More ❯

Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS 📍Location: West London, 2-3 days a week on site 💸Salary: £90,000-110,000 📈 Incubated: A startup within a global music business ⚙️Required Skills: TypeScript, NextJS, Nextjs, GCP, ReactJS 👥 *High Societal Impact* Join a startup redefining music technologies' role within health and wellbeing.. We're partnered with a well … TypeScript Experience working with ReactJS or similar on the front end Motivated to work on ambiguous projects with relatively novel challenges Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS, GCP More ❯

Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS 📍Location: West London, 2-3 days a week on site 💸Salary: £90,000-110,000 📈 Incubated: A startup within a global music business ⚙️Required Skills: TypeScript, NextJS, Nextjs, GCP, ReactJS 👥 *High Societal Impact* Join a startup redefining music technologies' role within health and wellbeing.. We're partnered with a well … TypeScript Experience working with ReactJS or similar on the front end Motivated to work on ambiguous projects with relatively novel challenges Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS, GCP More ❯

Senior Full Stack Engineer Fintech SaaS | London (Hybrid 2 day p/w in the office) A fast-growing FinTech SaaS company is for a Senior Full Stack Engineer with a backend focus to join a small, high-performing engineering More ❯

Senior Full Stack Engineer – Fintech SaaS | London (Hybrid 2 day p/w in the office) A fast-growing FinTech SaaS company is for a Senior Full Stack Engineer with a backend focus to join a small, high-performing engineering More ❯