227,879+ Cloudnative Java React Engineer Jobs in UK — Top Companies Hiring July 2026

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Senior Fullstack AI Engineer RAG & LLM Pipelines

Cavendish Professionals is seeking a Senior Fullstack AI Engineer for a 12-month contract in the United Kingdom. The ideal candidate should have strong expertise in Python 3.12+ and FastAPI, alongside experience in event-driven design, RAG architecture, and Azure AI integrations. The role involves desi ...

Senior Full Stack Engineer — AI, Real Time Data & Ownership

Searchability® is hiring a Senior Full Stack Engineer in the United Kingdom for a dynamic role that spans both backend and frontend development. You will work on real-time AI and data-driven products, ensuring a high level of autonomy in a fast-growing tech environment. Ideal candidates will possess ov ...

Hybrid Test Engineer (SC) Power Platform & Dynamics

Kerv is seeking an experienced Test Engineer/Analyst to join their team. This hybrid role requires candidates to have SC Clearance, as well as over 5 years of practical testing experience. You will be involved in planning and executing complex testing scenarios, particularly with Microsoft Dynamics and React ...

Senior Full Stack Engineer — AI Driven HealthTech Platform

Thyme is seeking a Senior Full-Stack Engineer to join their innovative Digital Health company in the United Kingdom. You will be responsible for designing and scaling high-performance applications, managing cloud infrastructure, and taking features from requirements to delivery. The ideal candidate has ...

Senior Fullstack Engineer Real Time 3D In Vehicle Viz

Neier Inc. is looking for a Fullstack Software Engineer to develop an in‑vehicle web application that visualises camera feeds, vehicle state, and system outputs. The role involves designing 3D visualisations using WebGL/Three.js and integrating high‑frequency data streams for robust, live operation. Th ...

Senior Rails Engineer & Team Mentor (Remote UK)

Reggie & Cole is seeking a Senior Ruby on Rails Engineer for a remote role based in the UK. This position is pivotal, working closely with the Head of Engineering to ensure high code quality and mentoring less experienced engineers. Responsibilities include backend development with Ruby on Rails, frontend work w ...

Remote Lead Software Engineer for Climate Platform

A leading technology firm in the UK is seeking a Lead Software Engineer to take full technical ownership of a high-impact platform serving the public sector. You will lead the architecture and delivery of a reporting platform, ensuring high standards in accessibility, security, and performance. This role require ...

Live Demo Solutions Engineer, SaaS — Hybrid

Rainfallcap is looking for a Product Engineer to join our hybrid team in the United Kingdom. You will be responsible for rapidly translating client data into live product demonstrations, ensuring their teams are onboarded effectively. This role requires expertise in backend and frontend development, specifica ...

Staff Design Engineer — Shape Design Systems for Scale

Alumni Ventures is currently seeking a Design Engineer to tackle challenging design problems and enhance our design system. This role involves consulting closely with product engineers and implementing creative UI solutions. The ideal candidate should have at least 2 years of industry experience in des ...

Senior Frontend Engineer — Real Time, AI Native UI Stack

Cera, the UK's largest home-care provider, is seeking a Senior Front End Engineer. You will embed in an engineering team, developing user interfaces that clinical operators and carers depend on. This role involves utilizing a modern frontend stack, including React 19 and TypeScript, to enhance care delivery a ...

Full Stack Engineer: AI Powered SaaS UI/API

Maze is seeking a Full Stack Engineer in the United Kingdom to drive their customer-facing product experiences by owning the complete tech stack from UI to API. You will be tasked with delivering features that enhance user experiences in a fast-paced, startup environment. The role demands strong skills ...

Senior Kotlin Backend Engineer

Location: London, Sheffield or Leeds - Will require ad-hoc travel to all locations Duration: Initial 3-month contract Start Date: ASAP Clearance: Live and Active SC Clearance IR35 Status: Inside IR35 The Opportunity W ...

Lead Fullstack Software Engineer

Lead Fullstack Engineer I am currently recruiting for a Lead Fullstack Engineer to join a leading organisation based in the South West. Within this role, my client are looking for someone who will be responsible for the design and development of high quality software solutions. In terms of experience, you must h ...

Lead Software Engineer

This range is provided by Formula Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Lead Software Engineer Health-Tech Typescript, React, Node, AWS </strong ...

Senior Software Developer

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s large ...

Senior Software Developer

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s large ...

Impact Driven .NET Full Stack Engineer

Consulting Point in the United Kingdom is looking for a talented .NET Full Stack Engineer to join their digital team. In this role, you will create innovative digital solutions and applications, working closely with teams and clients to deliver high-impact projects. Your responsibilities will include d ...

Senior Backend Engineer

Senior Software Engineer (Python, Go OR Java) – Agentic & AI Systems (IC Role) Location - Manchester Working Pattern - Hybrid (2 days per week in office) We’re hiring Senior Software Engineers to join a new accelerator programme focused on building next‑generation, agentic systems ...

Lead Software Engineer, Abuse & Fraud (Remote UK)

Live Nation International is seeking a Lead Software Engineer (Remote, UK) to enhance its Abuse and Fraud Prevention team. This role involves leading development on systems that protect significant revenue streams for Ticketmaster, collaborating across globally distributed teams, and ensuring the successful deli ...

Senior Kafka Engineer – Scale Real Time Data Streams

Hard Rock Digital is looking for a Senior Kafka Engineer in the United Kingdom. The ideal candidate will lead the design and implementation of Kafka-based streaming platforms, ensuring reliability and scalability. Responsibilities include collaborating with stakeholders, automating deployment, and ensuring secur ...

Senior Redis Solutions Engineer (Remote/Hybrid)

GoTo Meeting is seeking a Senior Professional Services Consulting Engineer to consult and collaborate with customers, designing, developing, and delivering Redis-powered solutions. The ideal candidate will have over 5 years of post-sales consulting experience, strong technical skills in Redis, and proficiency in ...

Senior Backend Architect & Team Lead Payments Platform

Wise is looking for a Senior Back-End Engineer to lead and mentor a team of engineers in the Contacts domain. You will be responsible for redefining how we model people and businesses while ensuring the performance and security of our services. The ideal candidate has a strong technical background, par ...

Senior Backend Engineer Trading Platform (Low Latency)

Bullish, Inc. is seeking a Lead Engineer to drive backend development for Bullish Exchange. You will work with a distributed team to design and build high-performance trading engine components while mentoring engineers and ensuring code quality. The ideal candidate will have over 12 years of Java backe ...

Remote Senior QA Engineer | SC Cleared & Test Automation

A technology consulting firm is seeking a Senior QA Engineer to ensure the quality and performance of complex software systems. The ideal candidate has over 7 years of experience, with strong automation skills in Java and hands-on expertise with tools like Selenium and JMeter. This is a full-time contract positi ...

Senior Platform Engineer — Cloud, Kubernetes & CI/CD

A global gaming and betting company is looking for a Staff Platform Engineer to enhance its cloud infrastructure and developer tooling. The position requires 8+ years in platform or software engineering, focusing on reliability, security, and cost efficiency. The ideal candidate should have strong skills in Pyth ...

AI Agentic Systems Engineer (Production & Reliability)

ISx4 Group is seeking an AI Engineer to develop and maintain customer-facing AI agent capabilities in the United Kingdom. The role emphasizes engineering excellence in distributed systems, orchestration, and production operations, involving technologies like Akka, AWS, and Postgres. The ideal candidate ...

Tech Lead: Scalable Software & Team Leader

hackajob is looking for a Lead Software Engineer to design, develop, and deploy high-quality software solutions. This multifaceted role includes leading engineering teams on high-profile projects while ensuring the best practices in software development. The ideal candidate should have extensive experi ...

Senior Backend Engineer — Payments & Fintech (Remote)

Jobgether is seeking a Senior Software Engineer in the United Kingdom to build and evolve high-scale backend systems essential for global ecommerce. This role entails designing resilient distributed systems, ensuring secure money movement, and collaborating with cross-functional teams. The ideal candid ...

Senior Software Engineer Optimize AI Systems (Remote)

Great Value Hiring is seeking a Senior Software Engineer to contribute expert-level knowledge in programming languages including Python3, Java, Rust, and more. The role involves bug fixing, feature implementation, and significant collaboration with multidisciplinary teams to improve AI models. The idea ...

Principal Engineer, Personalisation & ML Architect

A leading retail company is seeking a Principal Software Engineer to define and drive the technical strategy for personalisation. In this role, you will design scalable systems, mentor engineers, and work closely with various teams to deliver customer-centric solutions. The ideal candidate will have strong exper ...

Principal Software Engineer, Transfers — Architect & Scale

Hargreaves Lansdown PLC seeks a Principal Engineer for the Transfers Tribe, responsible for shaping the technical direction and ensuring architectural integrity of systems. You will solve complex problems, mentor engineers, and collaborate with various teams while delivering product-led solutions. The ...

Senior Cloud Control Plane Engineer (Kubernetes, Terraform)

Confluent Inc is looking for a Software Engineer to work on the Cloud Control Plane. In this role, you will design and implement distributed solutions and provide operational support thereafter. The ideal candidate has strong Kubernetes skills, experience with programming languages such as Go, C++, Jav ...

Senior Back end Engineer at Vega

This is a job that we are recruiting for on behalf of one of our customers. To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask. Senior Back-end E ...

Hybrid Full Stack JS Developer Node.js & React/Angular/Vue

A leading tech recruitment firm is seeking experienced Full Stack JavaScript Developers to work in a hybrid role across the UK. This position offers a salary between £50,000 and £80,000 plus benefits. Candidates will build secure digital products for critical defence and national security programmes, collaborati ...

Frontend Developer for Music Platform — React UI/UX Impact

Amphere, a startup focused on connecting musicians with venues, is seeking a motivated frontend developer to join their team. The role involves implementing the UI for a web app designed to enhance the booking experience for musicians and venues across the UK. Candidates should be passionate about music and poss ...

UK based Head of Software Development (React/Node/Azure)

Java Script Works is seeking a Head of Software Development in the United Kingdom. The ideal candidate will lead development teams and deliver complex software solutions. Key technical skills include React.js, Node.js, and Azure. This full-time role offers a competitive compensation package of £80K to £90K. Cand ...

Senior Product Engineer

Overview Senior Product Engineer – Burns Sheehan is partnering with a rapidly scaling AI-native SaaS company. This role is remote-first (UK) with a hybrid London office option. Up to £130,000 + equity. Tech stack includes Typescript/Node , React , GCP/AWS . </p ...

Front End Developer (React/Modern JavaScript) eSC/eDV Clearance

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Front End Developer (React/Modern JavaScript) eSC/eDV Clearance

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Front End Developer (React/Modern JavaScript) eSC/eDV Clearance

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Front End Developer (React/Modern JavaScript) eSC/eDV Clearance

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Front End Developer (React/Modern JavaScript) eSC/eDV Clearance

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Senior Software Engineer

Senior Software Engineer Milton Keynes / Hybrid Up to £75,000 per annum plus bonus. VIQU is working with an international organisation in Milton Keynes who are hiring multiple senior software engineers to help build one of their product lines. This role will focus on shapi ...

Founding Full Stack Product Engineer AI Native Cybersecurity

C&D Talent Advisory - Academy is seeking a Full Stack Engineer in Edinburgh to develop AI-native cybersecurity systems. You will own the product end-to-end, focusing on building secure, efficient, and scalable applications using TypeScript, React, and Node.js. The ideal candidate will have strong full- ...

Founding Senior Full Stack Engineer, AI Agent Platform

Jack & Jill, a stealth-stage AI coordination startup, seeks a Founding Senior Full-Stack Engineer to build innovative systems for agentic collaboration. This role offers a unique opportunity to work closely with founders to establish the technical foundation of cutting-edge products. The ideal candidat ...

Lead Software Engineer — Global Music Rights Platform

A leading music entertainment company is seeking a Lead Software Engineer for their King's Cross office in London. The ideal candidate will have over 18 years of software engineering experience, particularly with frontend application development using TypeScript, React, and GraphQL. Responsibilities include coll ...

Senior Full Stack Engineer Hybrid (London) App Delivery

Avios Group (AGL) Limited is seeking a Senior Full Stack Engineer to deliver complex features for the Avios App. You will work on both mobile and backend systems, utilizing your deep expertise in React Native or .NET/C# while collaborating with a high-performing team. This hybrid role requires you to w ...

AI First Senior Full Stack Engineer Remote UK

A leading AI-native property finance platform is looking for a Senior Full Stack Engineer to transition its architecture to AI-native systems. This role involves building and maintaining a TypeScript application, developing AI document ingestion layers, and managing cloud infrastructure. The ideal candidate has ...

Senior Lead Full Stack Engineer Cloud & AI Platform

A leading financial services firm in Greater London is looking for a Senior Lead Software Engineer to join an agile team dedicated to delivering high-quality technology products. This role requires expertise in full stack development, particularly in React and TypeScript, as well as experience in cloud environme ...

Senior Full Stack AI Engineer – Equity & Remote (London)

A leading tech startup in London is seeking a Senior Full-Stack Product Engineer. The role involves building advanced features for an AI-driven anti-financial crime platform, with significant ownership over AI strategies. Ideal candidates will have over 4 years of experience with expertise in TypeScript, React, ...

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    Cloudnative Java React Engineer Jobs in United Kingdom Job Search Guide, Trends and Insights