126 to 150 of 341 React Jobs in London

Senior Full Stack Engineer TypeScript

Hiring Organisation
Client Server
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
Senior Full Stack Engineer/Developer (TypeScript Node React AWS) London/WFH to £95k Are you a full stack technologist? You could be progressing your career in a hands-on role at a well established consumer facing financial services company that help people to manage debt, as they ...

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. ...

Sharepoint Office 365 Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day
days onsite per week. Key Experience required: Hands on development with Office 365 tools including SharePoint Online (PowerApps, Power Automate and SPFX or ReactJS) Sharepoint administration Excellent verbal and written communication skills with technical and non-technical people. Be able to critically analyse designs and provide constructive feedback Be able ...

Backend Engineer (Lead & Senior)

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
Salary: Senior - up to 105k | Lead - up to 125k Location : East/Central London (x4 days per week onsite) Tech stack includes : NodeJS, TypeScript, React, PostgreSQL, GraphQL, AWS, GitHub Actions, Pulumi. Current team size : x2 Engineers (plan is to grow to 4 in total) We're working with a profitable ...

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 ...

Sr. Python Developer

Hiring Organisation
Ascendion
Location
City of London, London, United Kingdom
wide applications in a front‐office financial services domain. Design and implement backend Python software solutions within the SP pre-trade domain. Collaborate on React UI app, ensuring clean API contracts and integration with backend services. Define, evolve, and maintain structured products data models defined as JSON schemas. Contribute ...

AI Engineer

Hiring Organisation
trg.recruitment
Location
London Area, United Kingdom
scale-up experience (ideally in fast-growth environments) Role 1: AI Engineer Expert-level Python with exposure to frontend technologies (TypeScript/React preferred) Hands-on experience with LLMs, prompt engineering, and evaluation frameworks Ability to ship AI-powered features end-to-end Minimum 3 years of experience Role ...

Front-End Engineer (Angular/TypeScript)

Hiring Organisation
Arden Resourcing Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Angular Experience consuming RESTful API’s Familiarity with Docker and modern DevOps practices Solid understanding of clean code and scalable design principles Desirable Laravel React/Next.js Ionic AI/LLM If you’re looking to take ownership in a fast-growing environment and build software that supports the renewable ...

Product Engineer

Hiring Organisation
SF Recruitment (Tech)
Location
North London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
scale up an exciting phase of their development please apply now to be considered and for more info. London (hybrid) Node.js AWS, next.js, React, Typescript, Azure ...

Security Architect (DevSecOps)

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent
Salary
£650 - £675 per day
Containers (EKS/ECS) , Lambda , and Java Microservices. Supplementary Skills: Identity & Access: OAuth 2.0, JWT, and Microsoft Entra (Azure AD) . Exposure to React.JS (from a security review perspective). Apply now for immediate consideration ...

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 ...

Shopify Theme Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
years of software development experience with a MUST in the Shopify platform. Advanced proficiency in Shopify Liquid and modern JavaScript patterns Experience with Typescript, React, Tailwind, and CSS3. Experienced in NodeJS, RESTful APIs, and general data transfer approaches. Practical knowledge of Jenkins CI/CD, Playwright, Git, and TDD. London ...

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 ...

Quality Assurance Engineer

Hiring Organisation
Glocap Tech
Location
City of London, London, United Kingdom
from a testability perspective Participating in architecture discussions with a quality lens Our Client's Tech Stack (Context) Backend: Python 3.11+, FastAPI Frontend: TypeScript, React Infra: AWS (ECS/Fargate, S3, RDS, CloudFront) Data: PostgreSQL, CSV/Parquet CI/CD: GitLab CI IaC: Terraform Testing: Pytest, Postman/Newman ...

Staff Software Engineer

Hiring Organisation
Annapurna
Location
City of London, London, United Kingdom
emerging engineers, raising the technical bar across the organisation Produce clear written documentation to align engineering, product and operations Tech Environment Full-stack TypeScript, React, Postgres Modern cloud infrastructure (AWS, Terraform) Strong observability and monitoring practices Data platforms and analytics tooling AI-powered systems working with complex, unstructured real-world ...

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 ...

Fullstack Engineer (London)

Hiring Organisation
TechSearch
Location
City of London, London, United Kingdom
backed startup or top-tier engineering firm (e.g., Palantir, Tesla, SpaceX, or similar). Technical Stack: Strong hands-on skills in TypeScript, React, Postgres, and AWS . UX Preference: A slight preference for candidates with strong UX/Frontend experience who can simplify complex industrial workflows. High Agency: A pragmatic ...

Senior Software Engineer

Hiring Organisation
Elevate Technology Group Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
architecture decisions Ability to provide technical leadership and mentor others Experience working in modern engineering environments (CI/CD, Agile) Desirable Skills Experience with React, Node.js, Terraform or Celery Strong database design and optimisation experience If you’re a Senior Engineer looking for a role combining hands-on development, technical … ownership, and real-world impact, this is worth a conversation. Hit apply today! Keywords Senior Software Engineer, Python Developer, Django, Flask, JavaScript, TypeScript, React, Node.js, AWS, Azure, GCP, Cloud Engineer, Backend Developer, Full Stack Developer, Microservices, API Development, CI/CD, DevOps, Terraform, Celery, Data Engineering, Renewable Energy Tech, Technical ...

Staff Software Engineer

Hiring Organisation
Entrust
Location
London, UK
Employment Type
Full-time
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 ...

Senior UI/UX Designer & Frontend Developer - Mobile, Figma, React

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Senior UI/UX Designer & Frontend Developer - Mobile Figma JavaScript React Global Legal Tech A rare chance to join one of the worlds most respected legal brandspart of the industrys magic circleas they build a next-generation, AI-driven SaaS platform set to transform how global legal teams work. This … responsive interfaces for a global SaaS and mobile product with a strong emphasis on mobile-first UX. Build high-quality front-end components using React, JavaScript, TypeScript, HTML and CSS within a .NET ecosystem. Collaborate closely with product managers, engineers, and legal SMEs to turn complex requirements into elegant, user ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 750 - 900 Daily
Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver ...

Full Stack Engineer-Payments

Hiring Organisation
Hellowork Consultants
Location
London Area, United Kingdom
Responsibilities 10+ years of full stack development expertise (Springboot, Microservices, Node JS for payment integration). Linux, Spring Boot 2.0, AWS Lambda, ReactJS, Node JS, MySQL on AWS RDS, AWS Elasticsearch. Should have used and enabled AI across design, development and testing. Experience in delivering ecommerce solutions and payment. Design ...

Technical Energy Analyst

Hiring Organisation
Connect Resourcing
Location
City of London, London, United Kingdom
problem, propose a solution, ship it, and support it Clear communication and documentation habits Fast learning of new technologies Preferred Skills UI development experience: React + JavaScript/TypeScript (or similar) Databases and data platform experience Some AI engineering experience Energy markets experience (useful, not required if you learn fast ...

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 ...

Principal Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
Role : Principal Engineer (Backend) Salary range: 100-120k Location : Central London (x2 days per week onsite - Tues & Thurs) Tech stack includes : TypeScript, React, AWS Lambda, TypeScript, Node.js, PostgreSQL. Current team size : x6 Engineers + Head of Engineering We're working with a SaaS startup company in the hospitality space ...