26 to 50 of 112 React Jobs in the City of London

Agentic Engineer AI LLM TypeScript Node

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
/CD practices and Cloud infrastructure (they use GCP but AWS experience is also fine) You have some experience with front end work using React (or similar) You're comfortable in a fast paced, sometimes ambiguous start-up environment with changing priorities You're collaborative and pragmatic with great communication ...

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 ...

Full Stack Engineer

Hiring Organisation
Humanoid
Location
City of London, London, United Kingdom
tools, processes, and best practices to support team knowledge and future development. Expertise Proficiency in one of Python, Javascript, Golang or Rust Familiarity with React (or similar frameworks) for creating user-friendly web applications. Expertise in API design, data modeling, and distributed architectures Proficiency with CI/CD pipelines, containerization ...

Software Engineer Full Stack - AI/React/TypeScript/AWS

Hiring Organisation
European Tech Recruit
Location
City of London, London, United Kingdom
Full Stack Software Engineer – Industrial Systems/Factory Operating Platform We are currently partnered with a rapidly scaling deep tech company transforming industrial manufacturing through distributed, software-defined factories. With operations already live across the ...

Senior Software Engineer

Hiring Organisation
Wave Talent
Location
City of London, London, United Kingdom
help build the next generation of their consumer platform. Quick overview • Salary: £100k–£120k • Location: London (hybrid, 3 days in office) • Stack: TypeScript, Node.js, React • Team: Small, high ownership engineering team • Product: High-traffic consumer platform used daily What you’ll be working on • Building and scaling consumer-facing product ...

Founding Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
round , with significant upside potential as the business scales toward Series A and beyond. Core requirements: 3 plus years of engineering experience Strong in React and comfortable across the full JavaScript and TypeScript stack Backend experience building REST APIs using NestJS or Express Or Python Experience with MongoDB or similar ...

Graduate / Junior Developer, Python, JavaScript, PHP - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year in industry. ...

Senior Ruby Developer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
role for someone seeking fulfilling and rewarding place of work. This is a backend leaning full stack role Desired Skills ⚙️ Ruby on Rails TypeScript React or Vue.js AWS They are willing to move quickly with this role, please apply now if interested. Senior Ruby Developer - Leading Health Tech - Hybrid ...

Research Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
more senior engineers Infrastructure or deployment experience (AWS, Terraform) is a bonus Happy working onsite five days per week Tech stack Python, FastAPI React, TypeScript Postgres AWS, Terraform Compensation & details up to £185k base + equity (flexible for exceptional profiles) Visa sponsorship available Standard pension Five meals per week provided ...

Full Stack Engineer

Hiring Organisation
Prism Digital
Location
City of London, London, United Kingdom
engineering culture from day one while building a product designed to scale into a major enterprise platform. What They’re Looking For TypeScript development React frontend development Python development PostgreSQL database architecture LLM orchestration and prompt engineering Data ingestion pipelines including APIs, RSS feeds, and web scraping Vector databases ...

Front End Developer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
City of London, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day (Inside IR35)
proven pedigree with a minimum of 7 years’ professional front-end development experience, including senior or leadership responsibilities Expert knowledge of JavaScript, TypeScript, React and modern build pipelines Experienced in delivering technically complex prototypes and digital products with a strong background in creative technology and interactive digital experience development Advanced ...

Core Software Engineer

Hiring Organisation
Aries Global
Location
City of London, London, United Kingdom
build and improve a high-performance platform — designing APIs, data models, and integrations that scale. If you're frontend-leaning: You'll use React and TypeScript to build smooth user experiences that handle real-time data. Either way, you'll collaborate directly with product and commercial teams to shape what ...

Head of Software Engineering

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
across engineering teams. Deep expertise in Microsoft ecosystems, modern cloud architectures, and distributed systems. Strong knowledge of Web, Mobile, FE technologies such as JavaScript, React, Kotlin, .Net, Azure. Experience implementing CI/CD pipelines, observability, and secure engineering practices. Track record of scaling teams and delivering in fast-paced, evolving ...

Creative Engineer

Hiring Organisation
Tata Consultancy Services
Location
City of London, London, United Kingdom
share learnings for future innovation projects. Your Profile Essential skills/knowledge/experience: Proficiency in JavaScript, HTML/CSS, and frameworks like React, Three.js, or similar. Familiarity with creative coding libraries (e.g., p5.js, GSAP). Basic understanding of UX/UI principles and design collaboration. Ability to work ...

AI Augmentation Engineering Lead

Hiring Organisation
Harvey Nash
Location
City of London, London, United Kingdom
determining how they can be implemented across. Help improve engineering productivity and processes through AI-enabled development practices. Core Experience in Devops, Cloud, Python, React & Javascript. If this sounds like an interesting opportunity to you, feel free to apply for this position or drop me your CV at mohammad.sobee@harveynash.com ...

Application Developer

Hiring Organisation
Larbey Evans
Location
City Of London, England, United Kingdom
SharePoint. Strong knowledge of programming language with expertise in web development. Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular. ...

Applications Developer

Hiring Organisation
Larbey Evans
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
SharePoint. Strong knowledge of programming language with expertise in web development. Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular. ...

Product Engineer (Full Stack)

Hiring Organisation
Granola
Location
City of London, London, United Kingdom
create a cutting-edge product Your background looks something like: Engineering experience at tech and product-driven companies Proficiency with TypeScript, Node.js, and React.js (Framer Motion, Tailwind and Radix is a strong plus) Proficiency with relational databases like Postgres Experience with cloud infrastructure (we use AWS and Terraform ...

Senior Software Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
Actively experiment with and refine AI-assisted development workflows Have built LLM-powered systems or AI agents in production environments Tech Stack TypeScript monorepo React, tRPC, Tailwind Event-driven workflows and background jobs Deployed on Google Cloud Platform Postgres What’s On Offer £100,000 – £150,000 base salary (depending ...

Senior React Developer

Hiring Organisation
Intec Select
Location
City of London, London, United Kingdom
Senior React Engineer - £700 - £800 p/day – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in the oil and energy derivatives space. The business runs a cutting-edge electronic trading platform … also be a collaborative team player who communicates clearly and contributes to a high-quality engineering culture. Role & Responsibilities Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust ...

Staff Software Engineer, AI/ML Product Engineering

Hiring Organisation
Entrust
Location
City of London, London, United Kingdom
advancing toward quantum computing and zero-knowledge proof paradigms. Responsibilities: Lead the full-stack architectural design and implementation of biometric identity verification solutions spanning React web applications, Swift iOS SDKs, and Kotlin Android SDKs Drive technical strategy and roadmap development for the Biometrics platform, ensuring alignment with emerging industry standards … cryptographic protocols for biometric data protection and zero-knowledge proof integration Contribute to design of unified SDK architecture that provides consistent developer experience across React, Swift, and Kotlin platforms Drive the development of real-time biometric liveness detection capabilities with sub-second response times and 99.9% accuracy Basic Qualifications, Skills ...

Full Stack Engineer

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
used by clients, operations teams and field contractors across the UK. You will work on modern web applications using Python, Django, HTML, HTMX and React, contributing to API design, system architecture and end to end feature delivery. This is a high ownership role suited to someone comfortable working autonomously ...

AI Startup in London – Full-Stack Engineers

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
looking for highly talented engineers who are ambitious, driven, and eager to make an impact. Roles Available: 🔹 Full-Stack Engineer – Strong expertise in TypeScript, React, Python and Golang. They can consider someone who its more frontend, or backend leaning, but the expectations is to work across the stack and pick ...

AI Consultant

Hiring Organisation
Stealth IT Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
frameworks, or AI products in production - Curiosity, creativity, and a drive to unlock real business value with AI Tech my client works with: Python, React/Next.js, FastAPI/Django, Azure/GCP, OpenAI, LangChain, CrewAI, and more. If you want to push the boundaries of AI in consulting, this ...

Full Stack Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
+ meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe ...