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Senior / Lead React AI Engineer. This is an exciting opportunity for a Senior / Lead React AI Engineer to join a high-calibre engineering team developing cutting-edge AI applications used by customers globally. As a Senior / Lead React AI Engineer, you'll take ownership of features from concept thro

You will work remotely from the UK, collaborating across various tech stacks including Go and React.

You will lead a platform built on React and Java (Spring Boot), drive best practices, CI/CD, testing, security and performance, and mentor engineers as the team grows through 2026 and beyond.

You will design and build scalable interfaces with React and TypeScript, develop data-rich dashboards and analytics tools, create reusable component libraries, and collaborate with traders and quants to deliver real-time.

Expertise in React 17+ and modern front-end development practices.

Zapp is hiring a Principal Product Engineer to own the mobile and web experiences across iOS, Android, and web.You will lead AI‑driven patterns, set technical direction, and own delivery end‑to‑end in a fast‑moving quick‑commerce environment.Based in London with hybrid on‑site presence (

Principal Product Engineer, React Native. Develop the mobile and web experiences our customers use every day, in React Native and Expo across iOS, Android, and web.

Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning).

The team is building modern tech with React, Node.

We need a Principal Product Engineer who will own the mobile and web experiences across iOS, Android, and web, using React Native and Expo.

The role demands 10+ years building production software, deep React Native and Expo expertise, and a strong TypeScript foundation. United States Digital Space LLC in London is seeking a Principal Product Engineer focused on React Native to own the mobile experience across iOS, Android, and web.

Principal Product Engineer, React Native. Build a world-class customer experience: develop the mobile and web experiences using React Native and Expo across iOS, Android, and web. Have deep React Native and Expo expertise across iOS and Android with B2C apps.

Vero is looking for a React Native Engineer to join the founding mobile hire in London. Bring strong React Native and TypeScript skills, familiarity with Swift/Kotlin, and a bias for offline-first design.

HelloKindred in London is seeking a Lead Fullstack Camunda Developer with extensive Camunda 8 expertise and strong Java/Spring Boot/React skills.

Morgan in London is seeking a Senior Lead Software Engineer to join the Equities Sales and Trading Technology team.You will help enhance, build, and deliver trusted market-leading products in a secure, scalable way, driving significant business impact through deep technical expertise.You will provid

React, TypeScript and modern frontend technologies.

Infused Solutions Ltd in London is seeking a Senior/Lead React AI Engineer to own frontend and backend features, delivering scalable, AI-powered applications. The role requires 8+ years in software, deep React/TypeScript expertise, and hands-on experience with AI tools and cloud platforms (AWS/GCP).

Oliver Bernard is seeking a Senior Software Engineer to join an AI startup in London.The role combines backend and frontend work across a modern stack and offers up to 160k and hybrid working arrangements with 2–3 days in the office.You will build production-grade software, work on AI/LLM-powered

Infused Solutions Ltd in London is seeking a Senior/Lead React AI Engineer to own features from concept to production, spanning front-end and back-end with TypeScript and Node.

Senior Software Engineers - Series A Funded - Huge Growth Plans.Up to £160,000 + Meaningful Equity | Central London | 4 Days Per Week.ARETI have been exclusively retained by one of the UK's fastest-growing technology companies following a significant investment round.This is a business that's just

Principal Product Engineer, React Native. Develop the mobile and web experiences our customers use every day, in React Native and Expo across iOS, Android, and web.

React Native Engineer - Founding Mobile Hire (London) - Backed by top-tier VCs - up to £160K base + equity. React Native + TypeScript, dropping into native Swift/Kotlin when needed.

We are looking for an in-house Technical Product Developer to play a key role within our highly energetic Fast React team!. Source and develop product in line with the Fast React requirement for Lyle & Scott.

Senior Front Office React Engineer | Investment Banking | London | £650-£750/day. This is a React-first role where you'll work closely with traders, desk heads and business stakeholders to deliver high-performance, real-time trading applications. Strong commercial React and TypeScript experience.

Founding Product Engineer (C# / React / AI-Native). NET and React would be highly advantageous as they form the core of the existing platform.

Testing: Hands-on experience with React Testing Library / Jest for unit and integration testing. Job Description: UI Developer (React, TypeScript and Low-Latency). Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript.

Experience developing and supporting React-based front-end applications. NET, Fixed Income, SQL, React, Microsoft Azure. React, SQL, Azure with BFSI exp.

The ideal candidate will have proficiency in Python, TypeScript, and React, with 4+ years of software engineering experience.

Senior Fullstack Engineer (Python & React).

The ideal candidate has a Bachelor's degree in Computer Science and at least 2 years of experience in web development, along with proficiency in React and Django.

You will collaborate with a focused, founder-led team utilizing modern frameworks like React and TypeScript.

NET | TypeScript | React | Azure | AI. NET, React, and Azure – apply now.

Python, mySQL, and experience with React and React Native.

The role focuses on delivering cloud-native Java applications using Java 17, Spring Boot, and React/Angular, with emphasis on performance, reliability, and scalable design across distributed systems.

A cutting-edge technology start-up is seeking a Frontend Software Engineer to develop high-performance web applications using React and TypeScript.

Java Script Works is seeking an experienced Engineering Manager (React Native) in London, UK, to lead mobile development. This role involves building an in-house React Native team and working closely with product and design to deliver high-quality mobile experiences.

HCLTech in London seeks a UI Developer with strong React and TypeScript expertise to build time-critical, high-availability UI applications.