1 to 25 of 67 Permanent React Jobs in Central London

Sr. Full Stack Developer

Location
City Of London, England, United Kingdom
Computer Science, Data Science, or a related field (Ph.D. preferred) with Proven experience of 7+ years in developing IT solutions Proficient in Python & ReactJS and related technologies is required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essential Experience with Agentic ...

Sr. Full Stack Developer

Location
City Of London, England, United Kingdom
Computer Science, Data Science, or a related field (Ph.D. preferred) with Proven experience of 7+ years in developing IT solutions Proficient in Python & ReactJS and related technologies is required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essential Experience with Agentic ...

Fullstack Developer

Location
City Of London, England, United Kingdom
knowledge of Rust, particularly in building concurrent, memory-safe, and high-performance applications. Frontend Knowledge: Experience working with modern JavaScript/TypeScript frameworks (e.g., React, Vue, or Next.js) and a solid understanding of web fundamentals (HTML/CSS). Database Expertise: Deep knowledge of relational databases (PostgreSQL) and NoSQL stores ...

Software Engineering Manager

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
heavy platforms. Technology Environment While experience with all technologies is not required, exposure to the following would be beneficial: .NET, Java, Python, or Node.js, React Microservices architecture RESTful APIs Kubernetes and Docker AWS, Azure, or GCP CI/CD tooling Observability and monitoring platforms Modern data platforms and event-driven ...

Principal Developer

Location
Westminster, West End, United Kingdom
reviews, CI/CD pipelines, and SOLID/DRY principles. Technical Skills: Hands-on experience with the following technologies: Frontend: JavaScript/TypeScript, Angular, React, Node. Backend: Java, Spring Boot, Hibernate. Desirable Kotlin. Estimation and Sizing: Experience in estimation and sizing. Integration and API Design: Experience in integration ...

Software Developer-Backend (SFIA4)

Location
Westminster, West End, United Kingdom
have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift for container orchestration Knowledge of NCSCs 14 cloud security principles. SC Clearance: Zaizi works with UK Central Government departments ...

Founding Software Engineer Python - Start-up

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
software from scratch and iterate quickly You have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic AI, like to get your hands ...

Senior Full Stack Software Engineer

Location
City of Westminster, England, United Kingdom
assigned Strong related work experience Undergraduate degree or equivalent combination of training and experience. Graduate degree preferred Experience Expertise in frontend technologies (e.g. Vue.js, React) with a strong sense for UI/UX Proven backend experience with Java, ideally with Python and Node.js experience as well, including building distributed microservices ...

Principal Software Engineer

Location
City Of London, England, United Kingdom
change how software is designed, built and delivered. What you’ll do Own technical architecture and engineering direction Remain hands‐on with C#, .NET, React and TypeScript Build scalable APIs, microservices and distributed systems Use AI agents across the SDLC Apply Spec-Driven Development Turn requirements into technical specifications using ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
TeamCity. Concepts: Multithreading, async programming, SQL/NoSQL, automated testing. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or broader AWS services. Apply Now: Submit your CV for immediate consideration. Randstad Technologies Ltd is a leading specialist recruitment business ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
Tools: AWS (EC2) , Docker, Git/TeamCity, SQL/NoSQL. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or wider AWS services. Apply Now: Submit your CV for immediate consideration. Fast 2-stage interview process! Randstad Technologies Ltd is a leading ...

Senior Lead Software Engineer - CDAO Data Platforms

Location
Westminster, West End, United Kingdom
functionality problems independently with little to no oversight Practical cloud native experience Preferred qualifications, capabilities, and skills Experience building UI and UX solutions with React Knowledge of Scala Domain Specific Language design and interpretation Knowledeg of domain driven design Knowledge of SQL/No-SQL databases ABOUT US J.P. Morgan ...

Software Engineering Manager - SAP Decoupling

Location
City of Westminster, England, United Kingdom
priorities with technical requirements and drive pragmatic outcomes. Tech Stack The teams use a variety of technologies, including: Java, Spring, Spring Boot and Micronaut React, Next.js, TypeScript and Angular Azure Cloud, Kubernetes and Dynatrace SQL Server and MongoDB Ignite and Redis Additional technologies for this programme are expected to include ...

Software Engineer

Hiring Organisation
Fortice
Location
City of London, London, United Kingdom
stack, with strong backend or cloud experience the priority. Backend: Python, Java, C++, C# or Rust Cloud: AWS, Azure or Kubernetes Frontend: TypeScript or React (nice to have) Who They're Looking For They want genuine problem solvers who enjoy working closely with customers and colleagues. As part ...

Senior AI Engineer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Hybrid and requires onsite attendance in Central London 23 days per week. Technical Skills C#, ASP.NET Core, Entity Framework Python, FastAPI JavaScript, TypeScript React or Angular REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL and vector databases Azure App Services, Azure Functions, API Management Docker, Kubernetes (AKS) Azure DevOps … Design, develop, and maintain scalable full stack applications across cloud and web technologies Build responsive front-end applications using modern JavaScript frameworks such as React or Angular Develop secure and scalable back-end services, APIs, and integrations using .NET, Python, and Azure services Design and implement AI-powered solutions including ...

Technical Lead

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
modern SaaS, MarTech, or data-driven environment. Strong proficiency in Java (Spring Framework) is essential for success in this role. Frontend experience with React and TypeScript (or similar modern frameworks) is highly desirable. Demonstrated ability to mentor engineers and build high-performing, collaborative teams. Experience leading in an agile, cloud ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
.NET host), comfortable with WebSocket bridges, local service APIs, or IPC mechanisms to connect web UIs with native desktop applications. Sufficient front‐end literacy (React, TypeScript, Node) to make architectural decisions, review code, and collaborate effectively with dedicated front‐end teams. Demonstrated ability to leverage coding agents in spec‐driven ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
custom .NET host); comfortable with WebSocket bridges, local service APIs, or IPC mechanisms to connect web UIs with native desktop applications.Sufficient front-end literacy (React, TypeScript, Node) to make architectural decisions, review code, and collaborate effectively with dedicated front-end teams.Demonstrated ability to leverage coding agents in spec-driven development ...

Senior AI Product Engineer

Location
City Of London, England, United Kingdom
from 0-to-1. Full-stack software engineering with strong backend expertise. Product ownership, architecture, and independent decision-making. Modern technologies including TypeScript, Node.js, React, PostgreSQL, AWS, and API-first architectures. LLM evaluation, token optimisation, cost management, monitoring, and deployment best practices. THE BENEFITS: You will receive a salary ...

Technical Leader

Location
City Of London, England, United Kingdom
technical initiatives and mentoring engineers, with the ability to influence and provide direction without relying on formal authority. Experience with frontend technologies such as React JS is desirable. Knowledge of cloud platforms, with AWS preferred. Familiarity with SQL and NoSQL databases. Solid understanding of computer science fundamentals, including data structures ...

Fullstack Engineer: Rust, Ruby & Python | Hybrid London

Location
City Of London, England, United Kingdom
backend work with modern frontend development, leveraging Ruby on Rails, Python, and Rust to deliver high-performance, scalable web applications. You will work with React/Vue/Next.js, build and optimize data models in PostgreSQL, Redis, and MongoDB, and use AWS or other clouds with Docker/Kubernetes ...

Senior Software Engineer – AI Systems & Full-Stack Ownership

Location
City Of London, England, United Kingdom
application and integration layer for a new generation of AI-powered products. The role spans backend, API design, MCP integration and frontend development with React and TypeScript. You will design scalable REST/GraphQL APIs, implement agent-to-agent connectivity, and build production-grade frontend apps while collaborating with ...

Senior Full-Stack Engineer – Hybrid (3 Days Onsite)

Location
City of Westminster, England, United Kingdom
GIFS team. You will collaborate directly with portfolio managers and product owners to deliver robust software. The role requires expert frontend skills (Vue.js/React) and strong backend experience (Java/Python/Node.js) with distributed microservices, cloud platforms and CI/CD in a hybrid office model (3 days ...

AI-Native Principal Engineer — Architecture & Azure

Location
City Of London, England, United Kingdom
focus is on using AI agents to reshape software design, delivery and quality. You’ll own architecture while staying hands-on with C#, .NET, React and TypeScript and mentor engineers. You’ll build cloud-native solutions in Azure, orchestrate APIs and microservices, apply Spec-Driven Development and review AI-generated ...

Senior Full-Stack Engineer: GenAI & Platform Innovation

Location
City Of London, England, United Kingdom
organization. You will design, implement, and scale solutions, mentor junior developers, collaborate with architects, and help define standards for reusable components using Python, ReactJS, Java Spring, REST APIs, and AWS. The role emphasizes performance, observability, and cutting-edge AI techniques, with a hybrid work model and opportunities to influence #J ...