1 to 25 of 243 Permanent Next.js Jobs in London

GenAI Full Stack Engineer - Consultant / Senior Consultant - Digital Excellence

Location
Greater London, England, United Kingdom
using either Python with **FastAPI**, or TypeScript with **Express** or equivalent* **Frontend Development**: Experience in building React applications using TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python or JavaScript).* **LLM experience**: Practical experience with ...

Senior Software Engineer (Full-Stack - TypeScript/Node)

Location
City Of London, England, United Kingdom
from you: Technical Skills Strong knowledge of Typescript and Node.js. Knowledge of modern frontend development, including JavaScript/TypeScript with frameworks like React or Next.js, and experience building intuitive, user-focused interfaces Experience designing and implementing backend systems Prior experience with Azure (ideally), AWS or GCP. Comfortable working with Infrastructure ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
quality, secure, and maintainable features for the client Digital Onboarding Service using Python on the backend in a serverless and containerized architecture with a NextJS/React client frontend. Design, develop, and maintain scalable RESTful APIs and microservices using Python frameworks such as FastAPI or Flask. Build and support cloud ...

Senior Software Engineer - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, UK
Employment Type
Full-time
working collaboratively with technical and non-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 ...

Software Engineer - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, UK
Employment Type
Full-time
well as technical and non-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 ...

Software Project Manager

Hiring Organisation
PEN Group
Location
London Area, United Kingdom
Strong understanding of software architecture and software engineering principles. Experience with one or more modern technology stacks such as: JavaScript/TypeScript React/Next.js Node.js PHP/Laravel .NET Java Good understanding of APIs and system integrations. Experience working with relational databases such as PostgreSQL or MySQL. Understanding ...

Typescript Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £650.00 per day
improve data distribution across the organisation. Writing high-quality, well-tested code using modern testing frameworks and patterns. Occasionally contributing to simple React/Next.js based UI screens for configuration or internal tools. Improving system reliability, observability, and developer efficiency through metrics, logging, and automation. Working closely with cross-functional ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
Agile environment You will have an extensive background in front-end development with significant experience working with ReactJS. Any further experience with Next.js/Angular/Vue.js is beneficial You will have some exposure to Python, contributing to the design, build, and support of scalable and secure full-stack ...

Senior Full Stack Engineer, Agentic Security

Location
Greater London, England, United Kingdom
might thrive in this role if: You have strong full-stack experience - you’re comfortable building APIs, writing database queries, and shipping React/Next.js UIs You’ve built production services with FastAPI or similar frameworks You understand dependency management and packaging - you’re comfortable with uv , pyproject.toml , editable installs ...

Software Engineer – Security & Intelligence

Location
Greater London, England, United Kingdom
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 platforms Supporting ...

Software Engineer - C# .Net, Asset Management

Location
Greater London, England, United Kingdom
Azure Snowflake Data engineering and integration platforms CI/CD and DevOps Infrastructure as Code Automated testing Agile delivery Desirable Python, Node.js TypeScript, React, Next.js TDD/BDD AI-assisted development tools (GitHub Copilot, Claude Code) Financial services experience We believe in equal opportunity for all and actively encourage applications ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
/CD pipelines, Git, and Agile development methodologies. Excellent communication and stakeholder collaboration skills. Previous mentoring or technical leadership experience. Experience with: Next.js or Remix. GraphQL and Apollo. Storybook and component libraries. Accessibility standards (WCAG 2.1 AA). Progressive Web Apps and responsive design. AI-powered development and integrations, including ...

Senior Full Stack Engineer

Location
Greater London, England, United Kingdom
other engineers, championing code quality through thoughtful reviews and shared best practices Design and implement responsive, user friendly web interfaces using modern JavaScript frameworks (Next.js, React) Partner with UX/UI designers to bring designs to life as functional, intuitive experiences About You Strong expertise in JavaScript frameworks such ...

Senior Full-Stack Software Engineer, (Forward Deployed), GPS

Hiring Organisation
Scale AI
Location
London, UK
Employment Type
Full-time
Computer Science or a related quantitative field 5+ years of post-graduation, full-stack engineering experience with demonstrated proficiency in React (required), TypeScript, Next.js, Python, Node.js, PostgreSQL or MongoDB plus hands-on experience with Docker, Kubernetes, and Azure/AWS/GCP.Proven ability to architect scalable, production-grade applications with ...

Senior Full-Stack Software Engineer, (Forward Deployed), GPS

Location
Greater London, England, United Kingdom
Computer Science or a related quantitative field 5+ years of post‐graduation, full-stack engineering experience with demonstrated proficiency in React (required), TypeScript, Next.js, Python, Node.js, PostgreSQL or MongoDB plus hands‐on experience with Docker, Kubernetes, and Azure/AWS/GCP. Proven ability to architect scalable, production‐grade applications ...

Senior Software Engineer - Commercial Trading

Location
City of Westminster, England, United Kingdom
advantageous but is not essential. Tech Stack The team uses a variety of modern technologies, including: Backend: Java, Spring, Spring Boot, Micronaut Frontend: React, Next.js, TypeScript, Angular Cloud & Infrastructure: Azure Cloud, Kubernetes Observability: Dynatrace Databases: SQL Server, MongoDB Caching & Performance: Ignite, Redis What’s in it for you? Working ...

Senior Full Stack Developer (C#/React/TypeScript) - REMOTE working

Location
Greater London, England, United Kingdom
even better. The work is a mixture of green-field and legacy projects (much like any other mature organisation) mostly using C#, SQL Server, Next.js, React & TypeScript, with a combination of monolithic and microservices architectures. Key Responsibilities We are looking for technically strong and organised senior developers to join ...

Lead Full Stack Engineer

Location
Greater London, England, United Kingdom
5+ years’ commercial software development experience, with at least 2 years in a senior, lead or technical leadership position. Excellent knowledge of React/Next.js and .NET Core. Proven experience working with Microsoft Azure and cloud-native technologies. Experience with Infrastructure as Code, ideally using Terraform or Pulumi. Good understanding ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure Devops, Azure App Centre, Service Bus Explorer, SSMS and agile software development process/practices and other ...

Senior FullStack Engineer - TypeScript - Python

Location
Greater London, England, United Kingdom
workflows. Enhance the availability of our main services Strengthen the security and reliability of our entire system Our stack Infrastructure: AWS, Terraform Frontend: Vercel, NextJS, React/Redux, Testcafe (or similar, Cypress, Playwright) Backend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker Compose Experience and Skills Experience as a full ...

Senior Software Engineer - Core Systems

Location
Greater London, England, United Kingdom
EventBridge, Kinesis) and containerised compute (ECS, ECR, EC2), with more of the latter as our core systems grow Frontend: React/Next.js Infrastructure: Terraform, GitHub Actions CI/CD, Docker Observability: Datadog, Grafana, Prometheus, Loki RESPONSIBILITIES Design, build and run core banking capabilities - money movement, interest, statements, reconciliation - that ...

Senior Python Engineer (Full Stack)

Location
Greater London, England, United Kingdom
Flask. We use FastAPI. Experience with Javascript/Typescript and a modern JS framework such as React, Angular or Vue.js. We generally use React & NextJS Strong engineering principles & practices: design patterns, testing, clean code and a good reviewer Previous experience working in a product-focused team A keen desire ...

Senior Software Engineer - Food (Distributed Systems)

Location
Greater London, England, United Kingdom
engineering communities, standards and best practices. Tech Stack M&S uses a variety of technologies, including: Backend: Java, Spring, Spring Boot, Micronaut Frontend: React, Next.js, TypeScript, Angular Cloud & Infrastructure: Azure Cloud, Kubernetes Observability: Dynatrace Databases: SQL Server, MongoDB Caching & Performance: Ignite, Redis What's in it for you? Working ...

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
DevOps, GitLab). Cloud and edge hosting: GCP , Vercel , AWS, Azure, Netlify and related deployment models. Front‐end integration literacy: HTML, CSS, JavaScript and Next.js + React ; mobile technologies (SwiftUI, Kotlin, Flutter or React Native) advantageous. CMS, DXPs, MarTech and SaaS integration in complex enterprise landscapes; including headless CMS platforms ...

Senior Full Stack Engineer - Team Web

Hiring Organisation
Intercom
Location
London, UK
Employment Type
Full-time
need 8+ years of experience in full stack development, with expertise in JavaScript, HTML, and CSS.Expert in front-end frameworks such as React, Next.js, Tailwind. Experience in CMS platforms (such as Contentful and Sanity) and marketing tools (e.g. Google Tag Manager, Marketo) Experience in CI/CD tools (such ...