1 to 25 of 260 Permanent Next.js Jobs in London

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 ...

integrations Understanding of scalable and secure backend architectures Full-Stack and Frontend Developers Proficiency and experience with JavaScript/TypeScript Experience with React, Next.js or similar modern frontend frameworks Understanding of modern frontend architecture and user experience principles DevOps/Cloud Engineers Good working knowledge of AWS and cloud engineering ...

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 ...

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 ...

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 ...

Frontend & UI Engineering: Lead the architecture and implementation of responsive, accessible (WCAG 2.1 AA), and performant web applications using modern frameworks (e.g., React, TypeScript, Next.js/Angular) and enterprise design systems. Fullstack Integration & API Design: Lead end-to-end integration by designing, consuming, and optimizing RESTful APIs, GraphQL endpoints, Backend ...

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 ...

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 ...

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 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 ...

e.g. Github Actions, Gitlab CI) for automating deployments· Other AWS Managed Services (RDS, Batch, Lambda, Fargate, Step Functions, SQS/SNS, etc.)· FastAPI and NextJS experience (if we're still using the latter)· Websockets, Server-Side Events, Pub/Sub (RabbitMQ, Kafka, etc.)Who You'll Work With· Squad members ...

workflows, and data-processing solutions. FastAPI – Architecting asynchronous APIs and event-driven microservices. TypeScript/JavaScript – Delivering robust, maintainable frontend and full-stack applications. Next.js/React – Building high-quality production applications with a focus on performance and user experience. PostgreSQL/Redis – Implementing efficient data models, optimised queries, caching ...

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 ...

within your team Collaborate with your peers on technical direction within your team Requirements/knowledge (you don't need everything) JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational ...

appreciate you may not be an expert in every area above - we can support with training and development in some areas! JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational ...

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 ...

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 ...

highly scalable serverless and/or microservice architecture that is deployed via Terraform into AWS. Key technologies in this framework include React, Typescript, Next.js, Python, C#, SQL, Docker, Terraform and AWS. You will be expected to take ownership of projects and find gaps in design with Blackstone product managers. ...

along with the adaptability and curiosity to learn new tools as projects demand.* Languages & Frameworks: Python (3.10+), TypeScript, JavaScript (ES6+), SQL, Bash · Frontend: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress.* Build AI product UX patterns (streaming, review loops, provenance/citations, long-running ...

prior experience in Full Stack Engineering Backend development experience using Node.js and/or Python Frontend development experience using TypeScript, React and/or Next.js Docker, Git, testing and CI/CD experience is essential Experience with Azure to maintain and deploy applications into production is highly desirable Previous experience ...

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 ...

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 ...

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 ...

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 ...

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 ...