1 to 25 of 437 Node.js Jobs in London

Software Developer | Capital Markets

Location
Greater London, England, United Kingdom
Experience Skills and Experience: Essential: Engineering : C#, .Net, ASP.Net, React, JS/TS, HTML, CSS, SQL, WPF, Linux Tools/Technologies/Infra : NodeJS, cloud/AWS, RabbitMQ, AMQ, Mongo, Bitbucket (Git), SQL/Server, Jira Design : API, HTTP/REST, JSON, micro-services and distributed systems SDLC : Agile, Scrum ...

Principal Software Engineer

Location
Greater London, England, United Kingdom
advanced Python (must-have) plus ideally substantial JVM (Java or Scala), .NET (C#), Rust, or Go expertise; Typescript and Javascript (must-have); Node.js (ideal); APIs: RESTful APIs (must-have); GraphQL (desirable); MCP (desirable) or A2A (desirable); web frameworks (Django (must-have)) and front-end frameworks (React (must-have), Blazor (desirable ...

Senior Full-Stack Developer

Location
City Of London, England, United Kingdom
with writing maintainable Python and Typescript, including experience of working with relevant libraries for data processing and backend API development (i.e., FastAPI, Pydantic, expressJS, NodeJS, NextJS API Router, etc) Good understanding of cloud deployment Strong understanding and proven experience working with browsers and web APIs including HTML Canvas, Drag ...

Senior Software Engineer

Location
City Of London, England, United Kingdom
goals and scalability requirements. Mentorship: Mentor and guide junior developers, fostering a collaborative learning environment. API Development: Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full ...

Senior Python Developer

Hiring Organisation
Hippo Digital
Location
London, England, United Kingdom
lifecycle delivering user-centred digital solutions. Advanced full stack development skills using Python, HTML, CSS & JavaScript. Experience with JavaScript libraries and frameworks such as Node, React, or Angular. Strong experience with containerisation (Docker, Kubernetes) and Microservices architecture. Expertise in RESTful API Services. Expertise in agile methods (Scrum, Kanban, TDD). ...

Lead Engineer

Location
Greater London, England, United Kingdom
Development (TDD), automated testing, and CI/CD, ensuring deployments are secure and reliable. Knowledge, Skills, and experience required Tech stack - We use TypeScript (Node.js & React), AWS (EKS, Lambda, Aurora RDS), Kubernetes, GraphQL, Kafka, Mongo. You're comfortable with all of these, and have extensive knowledge of JavaScript more generally ...

Senior Software Engineer - QuantumBlack, AI by McKinsey

Location
Greater London, England, United Kingdom
technical team members and stakeholders Hands‐on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL) Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms ...

Senior Full Stack Kotlin Developer

Hiring Organisation
Hippo Digital
Location
London, England, United Kingdom
needEssential Experience Extensive experience in Kotlin and JVMStrong experience in Java and the full development lifecycle delivering user-centred digital solutions. Exposure to Node.js, TypeScript, Express.js or Nunjucks.Proven track record of contributing to the delivery of high-quality, robust, and scalable solutions. Expertise in building back-end services using Spring ...

Software Engineer - QuantumBlack, AI by McKinsey

Location
Greater London, England, United Kingdom
technical people within software teams Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL) Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms ...

Technical Lead (Software Development)

Hiring Organisation
CGI
Location
London, England, United Kingdom
delivering complex digital services.• Proven experience mentoring Technical Leads, senior engineers or multiple development teams.• Strong hands-on software engineering experience with Java, Angular, Node.js and Express.js.• Experience designing and supporting distributed systems and microservices architectures.• Strong knowledge of PostgreSQL or other enterprise SQL databases.• Experience with Microsoft Azure, including ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£75,000
Strong proficiency in cloud technologies, including architecture and deployment strategies. Programming and Development : Advanced knowledge of multiple programming languages and frameworks (e.g., Python, Java, Node.js). CI/CD and Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with ...

Senior Software Engineer, Portfolio Management Capabilitities

Location
City Of London, England, United Kingdom
building, testing, deploying and supporting software across the full development lifecycle.Developing front-end applications using TypeScript, React and Redux.Building back-end services using Java, Node.js and REST APIs.Developing analytics and data processing components using Python.Designing data models and working with relational and document databases.Writing automated unit, integration ...

Senior Software Engineer, Portfolio Management Capabilitities

Location
Greater London, England, United Kingdom
deploying and supporting software across the full development lifecycle. Developing front‐end applications using TypeScript, React and Redux. Building back‐end services using Java, Node.js and REST APIs. Developing analytics and data processing components using Python. Designing data models and working with relational and document databases. Writing automated unit, integration ...

Senior Software Engineer I (Java & JavaScript)

Location
Greater London, England, United Kingdom
principles* Intermediate knowledge of multiple data storage subsystems* Confident practitioner in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, Unix.* Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows, and OIDC client setup.* Proficient research skills ...

Software Engineer – Security & Intelligence

Location
Greater London, England, United Kingdom
responsibilities include: Developing software services using languages such as Java, JavaScript, TypeScript, Python or C++ Building full‐stack applications using frameworks such as React, Node.js, Spring Boot, Next.js or similar Designing and developing APIs, microservices and backend services for secure mission systems Integrating applications with cloud, data, analytics and streaming ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Greater London, England, United Kingdom
will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript ...

Senior Solution Architect - Endur

Hiring Organisation
Shell
Location
London, England, United Kingdom
value against constraints, managing trade-offs or technical debtTechnical Skills and MasteryDesirable Technologies & Programming Languages:Expert in one or more of the programming languages (Node.js, .Net, .Net Core, Python etc) with Cloud Native Platform Development (Azure/AWS)Expert in one or more of the front-end development technologies (specifically ...

Technical Lead

Hiring Organisation
2mrw Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £115000/annum
Ability to influence technical decisions, mentor engineers and communicate with senior stakeholders. Technical Stack Experience with a selection of the following: Languages: TypeScript, JavaScript, Node.js, React, Go or Rust. Databases: PostgreSQL, Redis or MongoDB. Cloud & infrastructure: AWS, Docker, Kubernetes, Terraform or AWS CDK. Architecture: Microservices, event-driven systems, serverless ...

Ruby Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
design and code reviews. Skills & Experience: Strong commercial experience with Ruby and Ruby on Rails. Mandatory professional experience with other backend technologies, such as Node.js, Python, Java, or .NET. Strong experience with PostgreSQL/MySQL and database optimisation. Experience with REST APIs, microservices, and distributed systems. Experience with Redis, Kafka ...

Ruby Developer

Location
Greater London, England, United Kingdom
design and code reviews. Skills & Experience: Strong commercial experience with Ruby and Ruby on Rails. Mandatory professional experience with other backend technologies, such as Node.js, Python, Java, or .NET. Strong experience with PostgreSQL/MySQL and database optimisation. Experience with REST APIs, microservices, and distributed systems. Experience with Redis, Kafka ...

Junior Solution Architect: Cloud & API Solutions for Impact

Location
Greater London, England, United Kingdom
systems. Familiarity with Docker, CI/CD, Git, and modern development practices. Understanding of at least one programming language such as Ruby, Java, Python, Node.js, or .NET. Strong analytical and problem-solving skills. Excellent communication and stakeholder-management skills. Ability to explain technical concepts clearly to both technical ...

2027 Blackstone Technology & Innovations - Software Engineer Summer Analyst

Location
Greater London, England, United Kingdom
technologies Technology Exposure Depending on your team placement, you may gain experience with technologies such as: Python TypeScript/JavaScript C# React and Node.js SQL and database technologies AWS cloud services Snowflake Docker and containerized applications Terraform and infrastructure as code Messaging platforms and event-driven architectures GitLab ...

Lead .NET Developer

Hiring Organisation
Hippo Digital
Location
London, England, United Kingdom
centred digital solutions. Advanced full stack developer skills using C#, F#, ASP.NET MVC, HTML, CSS, and JavaScript. JavaScript library and framework experience is preferable – Node, React, Angular. Containerisation expertise – Docker or Kubernetes or similar. Expert knowledge of Microservices design and architecture, including RESTful API Services. Expertise working within agile methods ...

Full Stack Product Engineer

Location
Greater London, England, United Kingdom
solely demonstrations or proofs of concept. Strong TypeScript and React experience, preferably including Next.js or a comparable production web framework. Good backend capability with Node.js, Python or comparable server-side technologies, including APIs and enterprise integrations. Demonstrable experience deploying and operating responsive React or Next.js applications in Azure, using services ...

Senior Scientific Data Engineer

Location
Greater London, England, United Kingdom
data products, integrations, and scientific applications as a Data Engineer or in a similar field. Expertise in Python and working knowledge of JavaScript, TypeScript, Node, React, SQL. Familiarity with networking, CI/CD, and full stack development. Familiarity with cloud engineering on AWS, including core services such as S3, Lambda ...