1,226 to 1,250 of 2,298 Permanent React Jobs

Forward-Deployed Engineering Manager - AI & Data

Location
Slough, England, United Kingdom
lead a team delivering Palantir-based data solutions that drive transformation. You'll work across data engineering, Python/SQL and TypeScript/REACT, translating client goals into practical designs, and embedding AI workflows. This role requires onsite work with clients and a strong mix of technical mastery and stakeholder ...

Senior Full-Stack Engineer — Remote Tech Leader for SaaS

Location
United Kingdom
front-end and back-end development with a focus on technical leadership, collaboration, and delivering high-quality solutions. The ideal candidate has experience with React, Node.js, and NoSQL databases, along with strong communication skills. This position offers a dynamic environment and opportunities for professional growth. #J-18808-Ljbffr ...

Senior Full-Stack Engineer — AI-Driven Fintech Ops

Location
Greater London, England, United Kingdom
features used daily by Ops teams at scale. Ideal candidates have strong Python web experience (FastAPI/Django/Flask), JS/TS with React, and interest in Generative AI. Hybrid work model with in-office collaboration and growth in a fintech unicorn. #J-18808-Ljbffr ...

Senior Software Engineer — AI HR Platform (TypeScript)

Location
Greater London, England, United Kingdom
Humaans is seeking a frontend engineer to help shape the product from concept to release. You will write frontend TypeScript in React, build end-to-end features, fix bugs, and expand our integration marketplace while shaping the technical architecture. You’ll collaborate closely with product teams and designers, contributing ...

Senior Frontend & Fullstack UI Engineer (Hybrid, London)

Location
Greater London, England, United Kingdom
lead architecture decisions, drive design system adherence, and mentor teams across the software delivery lifecycle. The role focuses on modern frontend tech such as React/TypeScript, API design (REST/GraphQL), and enterprise-grade web applications, with hybrid working up to 2 days at home per week. #J ...

Remote-First AI Product Engineer: Build LLM Apps

Location
Luton, England, United Kingdom
working with founders and the CTO to shape AI products. Responsibilities include creating AI agents, LLM-powered products, and workflows using Python/Django, React/TypeScript, and AWS, in a SaaS startup setting. On-site roles available in London or the Cotswolds. #J-18808-Ljbffr ...

Senior AI-Driven Frontend Product Engineer

Location
Greater London, England, United Kingdom
will own end-to-end product slices, collaborate with founders, designers and AI engineers, and ship high-impact capabilities. Proficiency in TypeScript/React and modern tooling is required, with London-based, four-days-a-week office presence preferred. You will build integrations with Canva, Figma, Google Docs, Contentful, Workfront ...

Senior Product Engineer — AI-Driven, End-to-End Platform

Location
Greater London, England, United Kingdom
frontend, backend and data layers. You’ll ship weekly and interact directly with paying customers to shape the product. You’re comfortable building polished React/Next.js interfaces and solving complex TypeScript problems live, with solid PostgreSQL foundations. You’ll join London-based team, contribute to AI-powered products ...

AI‐First Full‐Stack Engineer — End‐to‐End Delivery (Hybrid)

Location
Horsham, England, United Kingdom
Breathe in Horsham is hiring a mid-level Software Engineer to build features across React, Node and AWS. This hands-on role spans full stack work with end-to-end ownership from code to production, and you’ll contribute to AI-driven development while maintaining quality. Join a fast-paced ...

Foundational Full-Stack Engineer - Web3 & AI (London)

Location
Greater London, England, United Kingdom
involves full-stack development, including feature shipping, API design, and integration of blockchain technology. Candidates should have over 4 years of experience with TypeScript, React/Next.js, and Node.js, and be prepared to work autonomously in an early-stage environment. The position is located in London and offers a unique ...

Remote IAM Platform Engineer — AI‐Native

Location
Greater London, England, United Kingdom
scalable code, build seamless user experiences, and ensure secure access controls while collaborating with cross-functional teams. Ideal candidates have strong JavaScript/TypeScript, React and Node.js experience, plus API design, NoSQL (Mongo), and OAuth-like flows. #J-18808-Ljbffr ...

Tech Lead - Capability: AI-First Platform Architect

Location
Greater London, England, United Kingdom
delivered. Focus areas include identity and access management, tenant isolation and scalable platform architecture. You will work with Node.js, TypeScript/JavaScript and React, making architectural decisions and driving delivery with Product and Agile teams. #J-18808-Ljbffr ...

Full Stack Engineer — High-Scale Data & ML Features

Location
Greater London, England, United Kingdom
greenfield services, craft high-throughput architectures, and bring ML-driven features into production. You will design event-driven backends and crisp frontends with React or Vue, architect reliable microservices on AWS, and manage deployments with Docker and Terraform #J-18808-Ljbffr ...

Full-Stack Engineer: AI & Simulation Platform

Location
Greater London, England, United Kingdom
Engineer for the dominAI team to build our next-generation command and control platform. You will work on end-to-end features across frontend React/TypeScript and backend Node.js, integrating AI and large-scale simulation into the C2 workflow. You will join a cross-functional team focused on rapid ...

Remote-First Staff AI-Native SaaS Platform Engineer

Location
City Of London, England, United Kingdom
feature development across the stack, from concept to release, and help shape the product experience. The ideal candidate has strong Node.js/TypeScript and React experience, plus familiarity with GCP or AWS. #J-18808-Ljbffr ...

AI-Native Product Engineer

Location
Greater London, England, United Kingdom
product features and contribute to significant problem-solving on a fast and efficient platform. Expect to work with modern technologies like TypeScript, AWS, and React, in a collaborative environment that values direct impact and customer engagement. Benefits include competitive localized offerings and visa sponsorship support. #J-18808-Ljbffr ...

Full-Stack Engineer — Healthcare Provisioning Platforms

Location
Birmingham, England, United Kingdom
services, ensuring scalable, user-friendly tools for call centers and practice admins. We require 8+ years of production full-stack experience, with strong frontend (React) and backend (Python/TypeScript) skills, plus SaaS tooling and REST API know-how. HIPAA-compliant security is essential. #J-18808-Ljbffr ...

Investment Tech Engineer: AI-Powered Cloud Solutions

Location
Henley-on-Thames, England, United Kingdom
deliver solutions across the Investment Technology platform. You will work in a squad, building production-ready tools with Python and SQL, leveraging Streamlit or ReactJS, and collaborating with Cloud, EA, and security teams to meet enterprise standards. The role emphasizes hands-on delivery, a strong sense of ownership, and ongoing ...

Senior Software Engineer - Real-Time Auction Platform

Location
Newtownabbey, Northern Ireland, United Kingdom
seeking a Senior Software Engineer to own and evolve Gavel, the enterprise auction platform. You will work across Node.js/NestJS backend APIs and React/Next.js front-ends, delivering reliable features and AI-assisted development workflows. Based in regional offices (Belfast, Glasgow, Newcastle or Dublin), you will collaborate with ...

Senior Full Stack Engineer - AI-Native Pubity Suite

Location
City Of London, England, United Kingdom
decisions impacting various components of the business. The ideal candidate has over 4 years of experience in web application development, with strong skills in React and TypeScript, and must be comfortable integrating with AI tooling and databases. This is a hybrid role with competitive salary and benefits. #J-18808-Ljbffr ...

Remote Full-Stack Engineer for AI-Powered GCP App

Location
Greater London, England, United Kingdom
Full Stack Engineer for a high-velocity contract engagement. You will build a modern, AI-integrated application hosted on Google Cloud Platform, bridging a React/TypeScript frontend with a Python/FastAPI backend. You will connect Vertex AI Gemini models for data extraction and risk assessment, manage Firestore state ...

Embedded Solutions Engineer, Real-Time Platform Safety

Location
Greater London, England, United Kingdom
rollout while ensuring reliable, production-ready code. You’ll bring solid Python fundamentals, strong backend skills, and comfortable experience with SQL, TypeScript, React and GraphQL. No formal degree required; bootcamp grads welcome. In-person collaboration is valued. #J-18808-Ljbffr ...

AI-Native Engineer Lead | Remote-First, Equity, Scale-Up

Location
Greater London, England, United Kingdom
equity. You will lead small squads (up to 4 engineers) and stay hands-on (~70% time) while guiding architecture, UI and backend work using React, Node.js/TypeScript and cloud platforms (GCP/AWS). Join a high-growth scale-up shaping an AI-driven product with real-time infrastructure ...

Web Application Developer

Location
Greater London, England, United Kingdom
with designers, QA, and project managers across delivery. Skills and Experience. Required Qualifications Strong proficiency in Laravel or comparable backend frameworks. Frontend experience with React, Next.js, or similar ecosystems. Solid SQL and data modeling capabilities. Experience with testing, version control, and CI/CD basics. Ability to write clear technical ...

Lead Full Stack Delevoper

Location
United Kingdom
fallback point for the team of technical expertise It is expected that you will have at least 5 years recent development experience of React.js, Node.js, AWS and Docker with at least 2 of those years working as a Lead Developer within an agency environment. Apply Upload Your CV Please check ...