1 to 25 of 90 React Jobs in the City of London

Back End Developer

Hiring Organisation
Allegis Global Solutions
Location
City of London, London, United Kingdom
Additional Skills Experience bu ilding low-latency, high-throughput systems. Strong understanding of software design patterns and system design. Exposure to full-stack development (React, TypeScript) is a plus. Domain Experience (Must have) Financial Markets or Investment Banking. Derivatives or e-trading platforms. What We’re Looking For Strong problem ...

.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 ...

SC Cleared Freelance Frontend Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
City Of London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
Cleared freelancer needed with a frontend focus to build modern, scalable web applications, with some backend/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/CD, Git Experience integrating APIs ...

Senior Software Engineer

Hiring Organisation
Lynx Recruitment
Location
City of London, London, United Kingdom
Bring Strong hands-on software engineering experience with .NET/C# and Microsoft Azure Ability to work across multiple technologies and frameworks, including React, JavaScript and TypeScript Experience building secure, scalable, event-driven and distributed systems Knowledge of CI/CD, DevOps practices, and Infrastructure as Code Excellent stakeholder ...

Senior Python Engineer (Django / DevOps / IaC)

Hiring Organisation
Pontoon Solutions
Location
City of London, London, United Kingdom
configuration management (Ansible) Experience operating and administering Linux distributions (RHEL, Ubuntu) Familiarity with cloud-native services (Azure AKS, ACR) Exposure to frontend frameworks (React, Vue.js) Operations and technical troubleshooting experience Candidates will ideally show evidence of the above in their CV in order to be considered. Please be advised ...

Principal Software Engineer

Hiring Organisation
Marks and Spencer
Location
City of London, London, United Kingdom
Food team and, as part of our modernization drive, will be introducing new ones. The sorts of technologies include: Java, Micronaut, PL/SQL ReactJS, Next.js Azure Cloud, Dynatrace (observability) Mule, Kafka, MQ Blue Yonder Dispatcher Essential Experience Significant track record of strategic and innovative thinking, as well as execution ...

Full Stack Engineer

Hiring Organisation
Few&Far
Location
City of London, Greater London, UK
engineers Collaborate closely with cross-functional teams to deliver impactful solutions Contribute to hiring and onboarding as the team grows Core Tech Stack Frontend: ReactJS, HTML, CSS/LESS/SASS Backend: Node.js, AWS, MongoDB Tools: Git, CI/CD Requirements 4–7+ years’ experience in full-stack web development ...

AWS Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
certifications such as Solutions Architect, Developer Associate, or DevOps Engineer are highly desirable Desirable Experience Any exposure to the following would be advantageous: React or modern front-end frameworks Java, Go, C#, Rust, or other strongly typed languages Internal platform engineering or developer platform ownership Event-driven architectures using EventBridge ...

Front End Software Engineer (Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating Machine Learning systems with ...

Software Engineering Manager

Hiring Organisation
Marks and Spencer
Location
City of London, London, United Kingdom
methodologies, Promoter of DevOps: you build it, you run it. Tech Stack M&S uses a variety of technologies including; Java, Spring, SpringBOOT, Micronaut React, Next.js, Typescript, Angular Azure Cloud, Kubernetes, Dynatrace (observability) SQL Server, MongoDB Ignite, Redis Everyone’s Welcome We are ambitious about the future of retail. ...

Software Project Manager

Hiring Organisation
PEN Group
Location
City of London, London, United Kingdom
Background (Required): Minimum 2 years of hands-on software development experience building production systems Proficiency in one or more modern stacks: JavaScript/TypeScript, React/Next.js, Node.js, PHP, or equivalent Solid understanding of relational databases (PostgreSQL, MySQL) and data modelling Experience shipping at least one production software platform from ...

Principal Software Engineer

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
bring solid full‐stack engineering experience (not purely front end or back end), working across the full development lifecycle. Your core technology experience includes React,, Node.js, Python, and Java. You have hands‐on cloud experience, designing and delivering solutions on AWS and/or Azure. AI experience is essential ...

Product Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
challenge and sharpen requirements before they hit the backlog What we're looking for Strong TypeScript/JavaScript and Java/Kotlin NestJS, React, PostgreSQL or MongoDB (Not all required) Hands-on with AWS, Docker, Terraform, and modern CI/CD A genuine, practical understanding of AI coding tools ...

Frontend Developer

Hiring Organisation
JD.COM
Location
City of London, London, United Kingdom
with e-commerce or retail internet project experience preferred; 3.Expertise in HTML5, CSS3, JavaScript/TypeScript, and proficiency in mainstream frontend frameworks such as React or Vue; 4.Familiar with frontend engineering tools such as Webpack/Vite, and master solutions for frontend; performance optimisation and cross-browser compatibility; 5.Strong logical ...

Web Frontend Developer

Hiring Organisation
JD.COM
Location
City of London, London, United Kingdom
with e-commerce or retail internet project experience preferred; 3.Expertise in HTML5, CSS3, JavaScript/TypeScript, and proficiency in mainstream frontend frameworks such as React or Vue; 4.Familiar with frontend engineering tools such as Webpack/Vite, and master solutions for frontend; performance optimisation and cross-browser compatibility; 5.Strong logical ...

Lead Software Engineer

Hiring Organisation
MARSH CORPORATE SERVICES LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
strong ability to connect technical design to covenant outcomes. Experience with Python-based services (e.g., FastAPI) and modern web stacks (e.g., Next.js/React.js) in real-world delivery. Practical experience delivering GenAI/agentic solutions (prompt engineering, RAG, governance patterns) in production or controlled enterprise environments. Worked with data pipelines ...

Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
distributed, service-oriented architectures using Java or Kotlin, ensuring reliability and maintainabilit y.Modern UI developmen t: Create intuitive and responsive user interfaces using React, improving how salespeople access insights and manage client workflow s.Feature developmen t: Contribute to the development of data-driven application features that enhance sales workflows ...

Solutions Engineer

Hiring Organisation
Tiptap
Location
City of London, London, United Kingdom
Qualifications - You're proficient in JavaScript/TypeScript and can write clean code and prototype customer-facing applications quickly. - You've got hands-on React and Node.js experience across frontend and backend. Enough to build a convincing live demo, debug a prospect's integration on a call, and answer technical ...

Full Stack Developer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day £550-650
office Duration - Initially 6 months Rate - £550-£650/day Inside IR35 via Umbrella Skills and Experience Required TypeScript or Javascript Next.js or React AWS Terraform Experience providing feedback to engineering teams via code review Exposure to a wide range of languages, frameworks, and cloud technologies Core Competencies: Highly proactive ...

Senior Software Engineer

Hiring Organisation
Unity Talent Solutions
Location
City of London, London, United Kingdom
Proven experience in a senior engineering role with some leadership exposure 5+ years experience with Python is essential Hands-on technical skills across, TypeScript, React, AWS, and DevOps Pragmatic approach to balancing speed, quality, and technical debt Ownership mindset, comfortable with ambiguity and end-to-end responsibility Strong communicator ...

Lead Full Stack Ruby Developer

Hiring Organisation
G.R.E. Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Once a quarter onsite in Burgess Hill based office - £80,000 - £85,000 + benefits Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively G.R.E. Recruitment is delighted to partner ...

Senior Frontend Developer

Hiring Organisation
Pentasia
Location
City of London, London, United Kingdom
senior engineering role with ownership of complex systems. - Strong expertise in front-end technologies (JavaScript/TypeScript frameworks) or another core area such as React - Ability to work beyond a single specialization (T-shaped skillset) — preferred but not strictly mandatory. - Experience integrating front-end applications with APIs and backend services. ...

Full Stack Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully ...

Senior Software Engineer

Hiring Organisation
Skippr
Location
City of London, London, United Kingdom
Modern stack: Build scalable, real-time systems. We value diverse backgrounds and skills — some experience with a modern stack like ours (Hono, React, Neon, TypeScript, Python) or with AI-powered apps and agents is beneficial, but it isn't a strict requirement. Own features end-to-end: From intuitive user ...

Senior Full Stack Engineer

Hiring Organisation
Mitra bio
Location
City of London, London, United Kingdom
engineer Strong understanding of modern frontend development and product-focused UI/UX Highly proficient in TypeScript and modern JavaScript frameworks (ideally Next.js/React) Experience integrating APIs and building scalable web applications Experience with Shopify, headless commerce, or customer-facing e-commerce products Strong engineering fundamentals across testing, version ...