76 to 100 of 124 Node.js Jobs in London

moving towards a cloud-first architecture with a strong focus on AWS, working with technologies such as Java/Spring, AWS Lambda, Node.js, Kafka, SQL/NoSQL databases, and more. Key Tasks Work within a small, collaborative team using agile methodologies and practices Take ownership of applications across the full … practical use of AI tools to augment software development Experience with financial or billing-related systems is a plus Basic experience building Node.js services using JavaScript or TypeScript is beneficial Our Offer Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four ...

driven CRM. The role involves 80% hands-on coding and 20% technical leadership, focusing on building a scalable architecture with technologies such as Node.js and TypeScript. Ideal candidates will have deep backend engineering expertise and experience guiding small teams in agile environments. This opportunity offers high autonomy and interaction with ...

over $12m. The role is remote-first with hybrid office options in London. The ideal candidate will have strong backend development skills with Node.js and Typescript, and experience with secure, scalable systems. The position focuses on hands-on design and implementation of backend architectures to drive the growth ...

London. This role offers the chance to shape product development and directly impact user engagement. The ideal candidate will work with technologies like JavaScript (Node, React) and Ruby, contribute to expanding APIs, and take part in the interview process that ensures a fit with the team. The position offers ...

native CRM startup is seeking a Senior Product Engineer to lead the development of scalable backend systems. You will architect high-performance systems using Node.js and TypeScript while managing complex data challenges. Ideal candidates have deep expertise in backend applications and a product-focused mindset. The role offers an exciting ...

role, you will develop core backend services that support the Rive editor and ensure a seamless user experience. You will leverage your expertise in Node.js and cloud infrastructure while collaborating with a talented team. We're committed to a hybrid working environment that accommodates both remote and in-office work. ...

guide a team developing AI-native backend systems, defining technical visions that integrate advanced reasoning and agent-based execution. Experience in Java, Python, or Node.js, alongside a strong background in distributed systems, is essential. Flexible remote working is offered across the EMEA region. #J-18808-Ljbffr ...

Science, Engineering, Mathematics, or a related field. Proven ability as a lead engineer, ready to own technical direction for major projects. Deep expertise in Node.js and NestJS, with experience in designing and building RESTful APIs and microservice-based systems. Experience with Next.js is highly desirable. An innovative approach ...

systems or developer platforms at scale You have 5+ years of experience in backend engineering with strong expertise in Java, Python, and/or Node.js You have experience integrating AI/ML systems, LLMs, agent frameworks, or AI‐assisted tooling into real‐world systems You understand how autonomous systems make ...

champion diverse perspectives, turn inputs into actions, and uphold trust through integrity. 3+ years of experience in backend software development with a focus on Node.js, building scalable and production-grade systems Hands-on experience with AI applications, including LLM implementations, retrieval-augmented generation, prompt optimization, and fine-tuning methodologies Proven … language models (LLMs), natural language processing systems (NLP), and AI agents. Your primary focus will be building scalable, efficient, and maintainable backend systems using Node.js & Python, while also integrating machine learning workflows and AI-driven applications. You will work closely with data scientists, machine learning engineers, and other stakeholders ...

senior technical authority for complex engineering decisionsHands-On Engineering * Contribute directly to backend and frontend production code * Build scalable applications using Node.js, TypeScript, React, and Next.js * Design and develop AWS serverless and event-driven systems * Develop and optimise PostgreSQL databases and queries * Support engineering teams with the delivery of complex … operational excellence * Foster a collaborative, high-performing engineering cultureTechnology StackCloud & Infrastructure AWS (Lambda, API Gateway, EventBridge, SQS, Step Functions, S3, CloudWatch, RDS)Backend Node.js, TypeScriptFrontend React, Next.js, Tailwind CSSData & Architecture PostgreSQL, Serverless, Event-Driven MicroservicesDevOps & Observability Terraform/AWS CDK, CI/CD, Monitoring & LoggingAbout YouWe are looking ...

heavy cluster on Aurora standard pricing. Required Skills: DBA with MySQL/Aurora MySQL (InnoDB) Knowledge of MySQL RANGE partitioning Percona toolkit AWS Aurora Node.js/GoLang (beneficial) This will be a 4 week contract, with the intended approach already known (can be provided), so requires an expert to validate ...

online application form for us to be able to assess you quickly, fairly, and objectively. Tech Stack : TypeScript, React, Next.js, AWS Serverless, Node.js, Next.js, SaaS At Cancer Research UK, we exist to beat cancer. We are professionals with purpose, beating cancer every day. But we need to go much further … user interfaces and single-page applications (preferably using React and Next.js). Some experience developing REST APIs and other back-end components (preferably using Node.js). Knowledge of Jest or other modern testing libraries. Some experience with cloud-native architecture and AWS services (including various SQL and noSQL databases). ...

Lead Backend Engineer | Node.js, TypeScript, Microservices, APIs, Event-Driven Architecture, AI | London | Up to 130k salary + equity This is an opportunity to join a fast-scaling AI startup building an AI operating system for property management, automating up to 80-90% of repetitive workflows across compliance, maintenance, and tenant … backend architecture, APIs, and microservices that power an AI assistant operating in real-time production environments. You'll design and build scalable systems using Node.js and TypeScript, working across REST APIs, event-driven architecture, data pipelines, and distributed systems, ensuring performance, reliability, and scalability as the platform grows. This ...

Full Stack Engineer – US – EAST COAST Tech Stack: TypeScript, Node.js, React, PostgreSQL, AWS, CI/CD, Terraform/CDK Salary Range: $150000 - $280000 Remote: USA – EAST COAST Harrington Starr has partnered with an exciting AI-first technology company building an enterprise platform focused on intelligent agents and human workflows. This … full stack — from backend architecture and cloud infrastructure to customer-facing product interfaces. Responsibilities Build and maintain scalable backend services and APIs using Node.js and TypeScript Develop and iterate on modern React-based product interfaces Design, manage and optimise AWS cloud Implement CI/CD processes Design PostgreSQL schemas Build ...

through investments, partnerships, and incubation of projects. Working at Wintermute We are looking for an experienced Product Manager to lead the development of our NODE platform, enabling seamless crypto trading experiences for institutional clients. This is a hands‐on, cross‐functional role that will have direct impact. You will work … data‐volume systems (e.g., trading dashboards, live data feeds, streaming analytics, order management systems). Strong command of the modern frontend stack: TypeScript, React, Node.js — and the ability to evaluate and adopt new technologies as needed. Hands‐on server‐side experience: building and maintaining backend services, APIs, and data pipelines ...

range: £90-150k (+equity) Location: Central London (x3 days per week onsite – Tue/Wed/Thurs) Tech stack includes: Typescript, React, MaterialUI, NodeJS, Postgres, AWS (Serverless) Current team size: 20 Engineers We’re working with a B2B SaaS startup company based in London, an AI procurement platform – reduces … double headcount this year, founding team includes ex. Tessian, Cazoo, Tractable, Primer & Freetrade. Essentials for this role 5+ years Full Stack experience React & Node ideally, however happy to consider other languages on the backend. Experience working in startups, scaleups, or small teams/fast paced environments. **Nosponsorshipavailablesorry!** #J-18808-Ljbffr ...

data‐volume systems (e.g., trading dashboards, live data feeds, streaming analytics, order management systems). Strong command of the modern frontend stack: TypeScript, React, Node.js — and the ability to evaluate and adopt new technologies as needed. Hands‐on server‐side experience: building and maintaining backend services, APIs, and data pipelines … using languages such as Node.js, Python, Go, or similar. Solid understanding of end‐to‐end system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud platforms ...

Senior Software Engineer (React, TS, Node, Postgres, Redis) A well-backed core business systems tech scale-up based in Central London, building AI-powered workforce software for fast-growing businesses. Strong product culture, lean team, and a genuine focus on solving real problems. The Role Two senior engineer positions available. … moving across product verticals as needs and interests evolve. Key Responsibilities Build end-to-end features across front end (React, TypeScript) and back end (Node.js, Postgres, Redis) owning them through to production. Share product management responsibilities within the squad: understand the problem space, shape the solution, and drive delivery. Navigate ...

Title: Lead Modernization Engineer Java/Node.js Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java/Node.js to join their team. Skills Solid Experience in Java development … OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence to security ...

test, and improve software. About the role: We are seeking a talented and self-motivated Frontend Software Engineer with strong skills in React and Node.js and a collaborative mindset. You will work as part of a cross-functional product development team building modern web applications used by millions of researchers … participation in recruitment Requirements: Core Engineering Skills Strong knowledge of HTML, CSS, and JavaScript Experience building modern web applications using React Experience working with Node.js, Express, or related backend services Experience working with RESTful APIs Familiarity with agile development practices such as: Test-Driven Development Pair Programming Continuous Integration Automated ...

capital markets - Shipping production software with 3 to 5 of those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical workloads at scale - LLM/… Interested? Please apply below. Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

capital markets - Shipping production software with 3 to 5 of those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical workloads at scale - LLM/… Interested? Please apply below. Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

architecture across mobile, backend, and cloud infrastructure Lead engineering design decisions and establish scalable development standards Build and optimise high-performance backend services using Node.js Drive mobile architecture and delivery using React Native Own AWS infrastructure strategy, scalability, reliability, and security Work closely with product and leadership teams to shape … Staff Engineer level, with experience building scalable products within start-up or high-growth environments. Tech stack expertise - deep backend engineering expertise using NodeJS is needed, Typescript, familiarity with React Native, and strong knowledge around AWS infrastructure and cloud-native architecture. Consumer product intuition for the demographic - consumer fintech experience ...

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 ...