1,051 to 1,075 of 2,268 Permanent React Jobs

Senior AI Platform Engineer & Tech Lead

Location
Greater London, England, United Kingdom
secure, scalable delivery across domains. The role requires strong full-stack expertise, proven leadership, and hands-on coding with Java/Kotlin, Spring Boot, ReactJS, and modern DevOps practices. London-based, hybrid work model. #J-18808-Ljbffr ...

Lead Full-Stack Engineer — Platform Ownership & Resilience

Location
Greater London, England, United Kingdom
technical delivery within the Data Center Services portfolio. You will design, build, and secure full-stack solutions across frontend (React) and backend (Node.js/TypeScript), while serving as an Application Owner and driving engineering excellence in a collaborative, agile team. You will partner with Risk, TRC, and Product Management ...

Senior Frontend Engineer, Payments Platform

Location
Greater London, England, United Kingdom
design, operations and backend engineers to deliver high-quality experiences, drive technical decisions, and improve performance and reliability using Java, Spring Boot, TypeScript/React, Go and Python. #J-18808-Ljbffr ...

Hybrid Full-Stack Developer | AI-Driven Prototyping

Location
Sheffield, England, United Kingdom
includes occasional office-based work in Sheffield, reflecting our hybrid approach. You will build and ship production-grade software across the full stack using React, Next.js, Node, and Azure, while leveraging AI tools to improve delivery and outcomes. You will collaborate with UX, data and business colleagues to deliver high ...

Senior Full-Stack Engineer - E-commerce Platform & APIs

Location
Greater London, England, United Kingdom
ship the online storefront, APIs, and internal tools, focusing on performance and reliability for high-traffic shopping and delivery. You’ll work across frontend (React/Next.js/Vue) and backend (Node.js, Python, PHP/Laravel), with AI coding tools and a bias for shipping value quickly while maintaining quality. ...

Senior Full-Stack Engineer — Backend-Heavy with AI Impact

Location
Greater London, England, United Kingdom
Preply is hiring a Senior II Full Stack Engineer to drive backend systems in Python/Django and frontend in React/Typescript. You will lead complex initiatives, mentor engineers, and partner with product, data, and UX to deliver measurable impact at scale. This is a remote, internationally oriented role ...

Senior Full-Stack Engineer (Backend-Heavy) | AI-Augmented

Location
Greater London, England, United Kingdom
seeking a Senior II Full Stack Engineer to join a cross-functional team building scalable backend systems using Python/Django and frontend in React/TypeScript. You’ll lead complex projects from discovery to deployment, shaping architectural direction and driving engineering excellence. Expect collaboration with Product, Data ...

Senior Real-Time Full-Stack Engineer (Voice & AI)

Location
Greater London, England, United Kingdom
Hopper is seeking a senior full-stack engineer to anchor HTS Assist, spanning React/TypeScript front ends, Scala and Python services, and cloud infrastructure. You will own realtime voice integrations, streaming pipelines, and multi-tenant architecture while ensuring safety, observability, and robust go-lives across partner integrations. The role ...

Senior Full-Stack Engineer: Real-Time Voice & AI APIs

Location
Greater London, England, United Kingdom
Hopper Inc. is seeking a senior full stack engineer to anchor HTS Assist, owning realtime and voice end-to-end. You will build across React/TypeScript front ends, Scala and Python services, and cloud infra, with a focus on multi-tenant, scalable architecture and safety/compliance integration. ...

Lead AI-Driven Platform Engineer (Hybrid)

Location
Newcastle upon Tyne, England, United Kingdom
leading role in developing a new digital platform in the medtech sector. The ideal candidate will possess strong full-stack development skills in React, TypeScript, and Node.js, along with expertise in REST APIs and PostgreSQL. Responsibilities include leading AI coding efforts, translating requirements into effective software solutions, and collaborating with ...

Senior Real-Time & Voice Full-Stack Engineer

Location
Greater London, England, United Kingdom
Hopper is seeking a senior full stack engineer to anchor HTS Assist, owning the realtime voice layer end to end while building React/TypeScript front ends and Scala/Python services. You will work across cloud infrastructure (GCP/AWS) and partner integrations, with a focus on low-latency ...

AI Platform Engineering Lead

Location
Greater London, England, United Kingdom
based in London with onsite work 1-3 days per week, leading a squad of up to 4 engineers across Python/FastAPI and React/TypeScript. You will drive the product roadmap, champion secure LLM practices, and collaborate with a product manager, UX, and QA to deliver high-quality ...

Senior II Full-Stack Engineer - Scalable AI-Driven Core

Location
Greater London, England, United Kingdom
engineering excellence to deliver meaningful outcomes for learners and tutors. You’ll design scalable backend services in Python/Django, build frontend experiences in React/TypeScript, and lead initiatives from discovery through deployment while maintaining a high standard of quality and collaboration across teams. #J-18808-Ljbffr ...

Senior Software Engineer Lead — Hybrid, Not-for-Profit

Location
Cambridge, England, United Kingdom
will shape the user experience using modern web technologies in a small, focused team. You will lead full-stack development (React/Next.js, Python/Django), mentoring direct reports, and collaborating with external partners to deliver secure, scalable digital platforms with hybrid work options (2 days in #J-18808-Ljbffr ...

Senior Full-Stack Engineer — Real-Time Voice & Telephony

Location
United Kingdom
Hopper is seeking a senior full stack engineer to anchor HTS, owning the realtime and voice layer end to end. You will build across React/TypeScript front ends, Scala and Python services, and cloud infrastructure on GCP/AWS. The role emphasizes multi-tenant design, safety, and high-availability ...

Senior Full-Stack Engineer — Climate Tech, Stock Options

Location
Greater London, England, United Kingdom
energy solutions. We’re a hybrid team with London headquarters and a strong global presence, seeking engineers who can work across Python/Django, React/TypeScript, and data storage layers in a fast-paced startup environment. Join a product-focused engineering team and contribute to building scalable data infrastructure ...

London-based Full-Stack Engineer: AI-Driven Revenue Automation

Location
Greater London, England, United Kingdom
startup. You will own end-to-end systems, build autonomous AI workflows, and scale data pipelines that drive revenue. You’ll work with TypeScript, React, Next.js, AWS, and data tooling to deliver high-impact outcomes from day one. The role requires 3+ years (mid) or 6+ years (senior) of professional ...

Full Stack Developer

Hiring Organisation
CBSbutler
Location
London, UK
Employment Type
Full-time
secure, technically complex applications. You'll be responsible for developing and maintaining full-stack solutions, using Python (Flask) on the backend and JavaScript (React) on the frontend. Key skills: Strong Python development experienceHands-on experience with FlaskJavaScript & ReactREST API development and integrationFull-stack application developmentAgile development experienceActive SC Clearance - must ...

Senior Kotlin Engineer

Location
United Kingdom
independently but know when to involve others. Tech Stack You’ll Work With Kotlin (1.7+) AWS GraphQL (nice to have) Frontend Ecosystem (Context Awareness) React & React Native TypeScript Gradle JUnit Jupiter Kotest TestContainers Qualifications Must-Have Strong commercial experience with Kotlin Ability to write clean, simple, maintainable code Solid experience ...

Senior Software Engineer (Rust - Any Backend Language Accepted)

Hiring Organisation
Understanding Recruitment
Location
London, UK
Employment Type
Full-time
Engineers to their team. The team are open to hiring pure backend engineers, or full-stack engineers. Their technical stack is Rust, Typescript and React on the frontend. They do not require any experience in any of these technologies, the team hire on pure technical acumen rather than years ...

Senior Software Engineer (Frontend)

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
boundaries of what is possible in the AI sector. In this role, your primary responsibilities will include managing the frontend using technologies such as React and Next.js. You will be expected to create seamless and responsive user interfaces that enhance user experience. Familiarity with TypeScript will be highly advantageous. ...

Dev Team Lead (£80k + benefits)

Location
Manchester, England, United Kingdom
test and ship super-fast in an environment where people value engineering best practice, pairing and continuous improvement. Skills C#, .NET, REST APIs TypeScript, React TDD, CI/CD, SOLID The money is good too – up to £80k plus benefits for the right person. If you’re interested in this ...

AI Native Product Engineer

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
problems into AI powered solutionsPushing the boundaries of LLMs and Agentic AI to deliver production grade systems that can scaleTheir stack is JavaScript (Node, React, Typescript), Python, and Kotlin but they're happy to consider engineers from a range of tech backgrounds. ...

Lead Product Engineer

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
impact on product design, technical decisions, and industry-leading greenfield projects. Tech-wise, they're all about modern JavaScript and Typescript, utilising Node and React within a "you build it, you run it environment" with AWS and Kubernetes. Can you also speak GraphQL-oquently about APIs? The platform has recently ...

Full-Stack Developer

Location
Liverpool, England, United Kingdom
team outings. Performance‐related bonus About you Knowledge and at least some experience in the following areas, languages and skills is desirable – Laravel, React, TypeScript, Database design, Data analytics, LAMP stacks, LEMP stacks, Tailwind, and Bootstrap. Excellent communication skills – both spoken and written. Apply now Please submit your application ...