1 to 25 of 88 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 ...

Full-Stack Development- Consultant

Location
City Of London, England, United Kingdom
Server, Azure SQL, Entity Framework, CosmosDB Design & Style: HTML5, Responsive/Adaptive Design, CSS3, Bootstrap Frameworks: (Worked with one or more of) Angular, React, NodeJS, Vue.js, or equivalent JavaScript DevOps: Git, Azure DevOps, GitHub Nice-to-Have Skills Azure AI Foundry, Semantic Kernel or Autogen #J-18808-Ljbffr ...

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 ...

OSS Architect

Location
City of Westminster, England, United Kingdom
Good programming capabilities in Java, Web services, JSON, Springboot Microservices API. Automation testing tools using Python Development tools :: Core Java, JSON, HTML5, CSS3, Angular5, REACT Deployment Management tools - Puppet, Chef, Ansible Fair knowledge on YANG/NETCONF Personal Attributes High analytical skills A high degree of initiative and flexibility High ...

Software Developer Backend (SFIA5)

Location
City Of London, England, 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 NCSC’s 14 cloud security principles. You don’t meet all the requirements? Studies show that ...

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 ...

Software Engineer

Location
City Of London, England, United Kingdom
Server‐side languages such as C++, Java, Rust or Python, OR Front‐end development in TypeScript or JavaScript, using frameworks such as Angular or React A deep enthusiasm for expanding your knowledge of a diverse technology stack Ideally, you would also have: This is not an additional list of requirements ...

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 ...

Software Engineer

Location
City Of London, England, United Kingdom
more of the following technologies but who is also open minded about learning new languages and technologies. Java, Python, JavaScript, TypeScript Angular, React, Vue Docker, Kubernetes AWS, Azure MERN, Elasticsearch, Neo4J Salary and Benefits A salary of £40-85k with an exciting array of projects to work on. Company ...

Senior Full Stack Engineer (Javascript)

Location
City Of London, England, United Kingdom
wait to hear from you. The must-haves: 4-7 years+ experience in web development and deep proficiency across the following technologies ReactJS NodeJS AWS MongoDB HTML, CSS/LESS/SASS Git/CICD A passion for maintainable, readable, stable, secure, and scalable code Track record of shipping high ...

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 ...

Forward Deployed Engineer

Location
City of Westminster, England, United Kingdom
track record of shipping production‐grade systems and strong architecture, testing, and engineering rigour. Genuine full‐stack expertise across Python, C#, TypeScript/React, advanced SQL, and complex data modelling, working with both structured and unstructured data. Proven applied AI/LLM experience, shipping production solutions using RAG, embeddings/ ...

Senior Software Engineer London, UK

Location
City Of London, England, United Kingdom
people today, growing fast. Based in East London (Shoreditch Exchange, Hoxton). Backed by cutting‐edge research and strong industry partnerships. Stack: TypeScript, React, Next.js, Express, Prisma, Python (PyTorch), PostgreSQL, Docker, Kubernetes, AWS, Terraform. What we're building: At Polaron, we’re building the next generation of tools that enable ...

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 ...

Applications Developer (Web / Mobile / Server) City of London / Hybr

Hiring Organisation
Eutopia Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
experience building and consuming REST APIs Minimum of 2 years of experience in HTML, JavaScript, and CSS Experience building modern, robust web applications using React; familiarity with other front-end libraries (e.g., jQuery, Bootstrap) would also be highly beneficial (but not essential) Practical experience with AI development concepts such ...

Software Engineer

Location
City of Westminster, England, United Kingdom
software — fullstack, or strong backend/frontend engineers who want to go fullstack. Strong proficiency in TypeScript across the stack: Node.js on the backend, React (or a similar modern framework) on the frontend . Demonstrated ability to design, run, and debug real production systems — failure modes, latency, and cost included. ...

AI Developer

Location
City of Westminster, England, United Kingdom
Architectures | Vector Databases | Embeddings & Tokenisation | AWS Services | Git/Version Control | REST APIs | Authentication, Authorisation, Firewalls & API Gateway Frontend Experience (For Frontend Developers) React or Other Modern Web Frameworks | TypeScript | UX Implementation | API Integration Desirable Skills MCP (Model Context Protocol) | IBM watsonx Orchestrate | CI/CD Pipelines What ...

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 ...

Software Engineer, New Grad - Production Infrastructure

Location
City Of London, England, United Kingdom
variety of languages, including Java and Go for backend and Typescript for frontend Open-source technologies like Kubernetes, Cilium, Envoy, Grafana, React, and Redux Industry-standard tooling, including Gradle and GitHub, and agentic tools like Windsurf & Cline What We Value Ability to communicate and collaborate with a variety of individuals ...

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 Lead

Location
City Of London, England, United Kingdom
right task, you can expect to work with the following technologies to ensure scalable, high‐performance applications: Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Pragmatic and safe usage of AI through the SDLC (e.g. using MCP to combine tools ...

Principal Security Engineer, Product & Infrastructure

Location
City Of London, England, United Kingdom
sites in Paris, London, Toronto and NYC MacOS, Windows, Linux workstations GCP, Kubernetes, Terraform, Postgres, SingleStore, Vault Okta, OAuth, JWT, C#, .NET Core, TypeScript, React, Python, Go Datadog (SIEM), CloudFlare ZTNA, Falco, Wiz, Riot, HackerOne, TruffleHog Google Workspace, Jumpcloud, Vanta, Hibob, Slack GitHub, CircleCI, ArgoCD ...