1 to 25 of 96 React Jobs in the City of London

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
Collaborate with cross-functional teams to deliver key milestones Provide support for production systems when required Technical Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
experience: Backend Development: Experience in building microservices 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 ...

Full Stack Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £72000/annum
Languages: Advanced proficiency in Java, JavaScript, HTML, and CSS. Back-End: Extensive experience with Java, Spring, and Spring Boot. Front-End: Practical knowledge of React, Angular, or Vue. Data Systems: Competency in SQL (MySQL, PostgreSQL) and NoSQL environments. Tooling: Familiarity with Git, Jira, and CI/CD pipelines. Permanent Role ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
experience: Backend Development: Experience in building microservices 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 ...

Senior Software Engineer

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
. Solid background in treasury, collateral, middle‐office, or financial operations technology. Strong programming skills in C# + Python Front‐end experience with Vue.js , React , or Angular . Experience with databases such as SQL Server, Databricks, or Azure SQL. Strong understanding of data structures, automation, and workflow optimisation . Familiarity ...

Senior Fullstack Developer (Java+React)

Hiring Organisation
Altimetrik
Location
City of London, London, United Kingdom
FullStack Developer with both backend and frontend expertise. The expected skill distribution is approximately 60% backend (Java/microservices) and 40% frontend (React), with flexibility depending on experience. Requirements : Java, Spring Boot, Microservices, Node.js, TypeScript, React. Location: London (hybrid) 🔥 We build real AI products 🤓 We learn fast and experiment ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
real-world use, ensuring solutions deliver meaningful impact. Requirements: Strong programming skills in either: Backend: Python, C++, Java, Rust OR frontend: JavaScript/TypeScript (React, Angular, etc.) Strong communication skills and ability to work directly with users Willingness to travel Right to work in the UK Willingness to undergo ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
back-end development of applications and APIs interacting with the Azure Databricks platform. Develop user interfaces using modern front-end frameworks (e.g., React, Angular, Vue.js) and ensure a seamless user experience. Develop robust and efficient back-end services and APIs using Python. Python Development: Develop and maintain Python code ...

Lead Software Engineer

Hiring Organisation
Spires Online Tutoring
Location
City of London, London, United Kingdom
related discipline Required Skills 5+ years experience as a Senior Full Stack or Software Developer 2+ years of proven management experience Strong experience with React and modern frontend development Backend development experience (Java preferred) Solid knowledge of JavaScript, HTML, and CSS Experience working with PostgreSQL databases Experience using ...

Senior Python Developer

Hiring Organisation
Mastek
Location
City of London, London, United Kingdom
back-end development of applications and APIs interacting with the Azure Databricks platform. Develop user interfaces using modern front-end frameworks (e.g., React, Angular, Vue.js) and ensure a seamless user experience. Develop robust and efficient back-end services and APIs using Python. Python Development: Develop and maintain Python code ...

Sharepoint Developer & Administrator

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
SharePoint 2016 on-premise environments to SharePoint SE and/or SharePoint Online. - Proven expertise in SharePoint Framework (SPFx) development. - Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. - Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. - Solid experience with C# and .NET ...

Senior JavaScript Engineer | DataGrid & Charting Libraries | London

Hiring Organisation
techstack Recruitment
Location
City of London, London, United Kingdom
C#, Java, Python, etc.) Deep understanding of algorithms, data structures, and software design Experience building complex systems — not just application-layer UI Familiarity with React, Angular, or Vue (and how they interact with the DOM) Ability to reason about performance, memory usage, and rendering behaviour High standards for code quality ...

Product Engineer -TWE44721

Hiring Organisation
twentyAI
Location
City of London, London, United Kingdom
opportunity to join a driven team where your work matters and your input is valued. Key Skills: Backend development (Python, Flask, FastAPI) Frontend development (React, JavaScript, TypeScript) Cloud and infrastructure experience (Terraform, GCP, AWS) Strong problem-solving skills and a pragmatic approach to building solutions Initiative and ownership of projects ...

Principal Engineer - Comms Surveillance

Hiring Organisation
Marlin Selection
Location
City of London, London, United Kingdom
Employment Type
Permanent
Understanding of financial markets or trading systems. Knowledge of FCA Market Abuse Regulation. Experience in performance optimisation and profiling. Familiarity with modern UI frameworks (React, Typescript). Exposure to containerisation and orchestration tools. Understanding of architectural frameworks and best practices. Knowledge of AWS or other cloud platforms. ...

Founding Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
high-impact, early-stage product teams: you've shipped and scaled full stack products Strong backend (Node.js, Python/Flask, FastAPI) and frontend (React, Next.js, Vue) fundamentals ML/data science proficiency: Python, SQL, pandas, scikit-learn, PyTorch/TensorFlow Experience with cloud platforms (AWS, GCP, Azure) and containerisation (Docker ...

Principal Engineer

Hiring Organisation
Arrive
Location
City Of London, England, United Kingdom
enjoys solving complex problems and helping teams succeed. You likely bring: Strong development experience in PHP Experience with related technologies such as TypeScript, React, JavaScript, or Python Hands-on experience working with AWS and Infrastructure as Code (Terraform, CDK, or CloudFormation) Deep understanding of MySQL and relational database performance optimisation ...

Software Engineer

Hiring Organisation
trg.recruitment
Location
City of London, London, United Kingdom
.NET/C# Fintech or Payments background required. Solid understanding of REST APIs, microservices, and cloud-based architectures Experience working with frontend programming languages (React or Angular) Ability to pick up context quickly and contribute from day one as a contractor. Interested? Please apply or email cnisbett@trg-uk.com ...

Senior Full Stack Engineer

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £440/day
scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/ ...

Senior Software Engineer

Hiring Organisation
Cavendish Professionals
Location
City of London, London, United Kingdom
Collaborate with engineers, product, and design to ship high-quality features Requirements Experience in product-focused engineering environments Strong skills in TypeScript, Node.js, and React Experience with modern frontend tooling (e.g. Tailwind or similar) is a plus Solid knowledge of relational databases (e.g. PostgreSQL) Experience with cloud platforms and infrastructure ...

Sharepoint Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
SharePoint 2016 on-premise environments to SharePoint SE and/or SharePoint Online. - Proven expertise in SharePoint Framework (SPFx) development. - Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. - Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. - Solid experience with C# and .NET ...

Senior Platform Architect

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Engage senior stakeholders across technology and business Translate complex technical decisions into clear, commercial outcomes Technology Environment Backend: TypeScript/C# Frontend: JavaScript/React Cloud: AWS (containers, serverless, broader ecosystem) What They're Looking For Strong platform/solution architecture experience in modern cloud environments Background building scalable, distributed ...

Rust Developer

Hiring Organisation
RP Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
zero-knowledge proofs or zk-rollups Experience with custody solutions, MPC, or wallet infrastructure Familiarity with DevOps/CI-CD pipelines Frontend experience with React/Next.js (full-stack capability) What Success Looks Like You deliver robust tokenization infrastructure that scales with minimal overhead You design systems that are secure ...

Senior Software Engineer

Hiring Organisation
LinuxRecruit
Location
City of London, London, United Kingdom
unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, React or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working in ambiguous, fast ...

Payment Lead

Hiring Organisation
Axiom Software Solutions Limited
Location
City of London, London, United Kingdom
Exposure: Netlify, Noibu, Constructor Requirements: 10+ years of full stack development experience Strong experience in payment integration, reconciliation, and secure financial APIs AWS, Node.js, React.js, MySQL, and Elasticsearch exposure Excellent communication skills and proven leadership ...