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

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Senior Backend Engineer (Kotlin) – AI Data Platform, Hybrid

Understanding Recruitment is looking for a Senior Backend Engineer to join a rapidly growing AI infrastructure company in London. This role involves developing new product features, enhancing performance, and defining the technical direction. The ideal candidate has strong experience with Kotlin and Ja ...

Lead QA Engineer — Automation & Security Leader

A leading health technology company is seeking a Lead QA Engineer to lead the design and evolution of test frameworks, focusing on automation, performance, and security testing. This role includes mentoring QA engineers and ensuring best practices across teams. Strong hands-on experience in Java programming and ...

Senior Ads Auction Engineer — Real Time CTV Platform

Roku in Liverpool seeks an engineer to optimize ads auction systems for its CTV advertising platform. You will design and implement low-latency auction services while collaborating closely with engineering, product, and data teams. The ideal candidate has experience in distributed systems, robust codin ...

Senior Software Architect – Distributed Systems

SII Group UK is looking for a highly experienced Senior Software Engineer to join our team in Manchester. In this role, you'll design and develop large-scale, distributed, and safety-critical software systems. The ideal candidate will have a strong background in C/C++ and Java, experience with Linux-ba ...

Senior Full Stack Engineer – AI‑Driven Backend (London)

BNY is seeking a Senior Associate, Full-Stack Engineer in London. In this role, you will design and maintain backend services while collaborating on frontend development. Key responsibilities include delivering secure, scalable systems and contributing to performance enhancements. Required qualificatio ...

Payments Systems Software Engineer Hybrid (Edinburgh)

A leading banking institution in Edinburgh is seeking a Software Engineer to support Instant Payments products and enhance their Faster Payments Gateway. The ideal candidate will have experience with Java, Spring Boot, and agile practices while enjoying a hybrid work pattern. This role provides opportunities for ...

Senior Software Engineer – AI/ML & Node.js Expert

Java Script Works is seeking a Senior Software Engineer specialized in AI technologies. The role requires over 6 years of software engineering experience with strong proficiency in C#, Node.js, and Databases. The ideal candidate will have hands-on experience with AI/ML frameworks like TensorFlow and PyTorch. ...

Lead Engineer, Public Sector Digital Architect (Hands on)

Scrumconnect Consulting is seeking a Lead Engineer in Swansea, Wales for impactful UK government digital services. The role requires strong leadership in architecture and development, with a blend of hands-on technical responsibilities and system delivery. The ideal candidate will have expertise in Jav ...

Senior DevOps Engineer: Cloud Automation & Reliability

A technology company in Slough is seeking a DevOps Engineer to build functional systems that enhance customer experience. The role involves deploying product updates and identifying production issues while implementing integrations. Candidates should have a strong background in software engineering, particularly ...

Software Engineer, Services Platforms & Tooling

Apple Inc. is seeking a Software Engineer for its Services Engineering team in London. The role offers competitive compensation and requires strong proficiency in programming languages like Java, Python, Swift, and C/C++. Candidates should be comfortable with engineering tooling and workflows, including version ...

Staff Software Engineer Lead & Architect Backend Systems

Marks & Spencer Plc in Westminster is seeking a Software Engineer to develop and enhance software solutions for their operations. This role emphasizes technical leadership and collaboration with various teams while fostering a culture of continuous improvement. The ideal candidate has strong skills in ...

Senior Product Engineer — AWS, TypeScript & Node.js

Java Script Works is seeking a Senior Product Engineer in London, United Kingdom, to work in an AWS cloud-native environment. In this full-time role, you will leverage your expertise in NodeJS, Typescript, and Prisma, contributing to the team’s future direction.With a salary range of £100K - 120K, this ...

Senior Principal Software Engineer AI Driven Cloud Platform

JPMorgan Chase & Co. is looking for a Senior Principal Software Engineer in City of Westminster, UK. This role involves leading the strategy in developing innovative technology products and managing senior stakeholder relationships. The successful candidate will have extensive software engineering expe ...

Senior Software Engineer — End to End SaaS for Energy

Halliburton seeks a Software Engineer at its Landmark division in Abingdon. You will own the full development cycle of software that oil and gas operators depend on for critical decisions. Strong software engineering skills, particularly in Java, C#, and Python, are essential. This role involves workin ...

Senior/Principal Software Engineer

MCS Group is delighted to be partnering with a growing consultancy as they establish a brand-new engineering presence in Belfast. Our client is a high-growth cloud, data, and AI engineering consultancy delivering mission-critical solutions for enterprise and scaling clients across modern cloud ecosystems. ...

Senior Full Stack Engineer WhoSampled

Every great song has a story behind it: a sample flipped into something new, a melody borrowed and reborn, a classic reinterpreted for a new generation. WhoSampled is where those stories live. WhoSampled is the world’s leading database of music samples, interpolations, cover songs, and remixes. Buil ...

Principal UI Engineer

Principal Software Engineer (UI) Belfast | Hybrid | Full-Time At a Glance Location: Belfast (Hybrid) Employment Type: Full-Time, Permanent Seniority: Principal / Sen ...

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 ...

Principal Software Engineer

Matillion is the intelligent data integration platform. We're changing how the world works with data – and we need driven, curious people who think big and move fast. We built the Data Productivity Cloud to supercharge data productivity, and now we’re shaping the future of data engineering with Mai ...

Full Stack Engineer

Job Title: Full stack EngineerLocation: CardiffHybrid / Flexible WorkingSalary: up to £50,000 + up to 20% annual bonus + benefitsStability, flexibility and the opportunity to work on greenfield projects within one of Europe’s leading financial experts, sound interesting to y ...

Principal Engineer | AI‑Driven EdTech Platform (Remote)

Loop Recruitment is seeking a Principal Engineer who will work in a remote capacity with occasional travel to Bristol. The position offers up to £100,000 plus benefits, focusing on building impactful full-stack applications in the EdTech sector. The role requires expertise in Python, FastAPI, React, an ...

Senior Rust Engineer High Impact, Equity, London (On site)

Understanding Recruitment is seeking a Senior Software Engineer to join a fast-growing start-up in London. The role focuses on cutting-edge decision-making technology, welcoming candidates with strong technical skills regardless of specific language experience. The ideal candidate will join a team with ...

Senior Fullstack Engineer AI Driven Web Platform

Predict responsibly is looking for a Full Stack Software Engineer III to take significant ownership of a web application as part of an exciting product evolution. This role involves leading the design and development of scalable web features using React, Next.js, and TypeScript. The ideal candidate wil ...

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 ...

Product Engineer: End to End AI Tools (Visa Sponsorship)

Space Executive is hiring a Product Engineer in Greater London for an innovative AI startup focused on regulated industries. In this role, you will take full ownership of the product lifecycle, from defining features to delivering them directly to users. The ideal candidate has a strong background in T ...

Senior Frontend Engineer Growth & Marketing Site

Incard is looking for a Senior Frontend Engineer to lead the development of their marketing website. The ideal candidate will have over 5 years of experience in frontend development, particularly in React and Next.js, and a strong focus on UI design, technical SEO, and analytics. This role is essential for deliv ...

Lead Design Systems Engineer Frontend & UI

A leading financial services firm in Greater London is seeking a Lead Software Engineer. This role involves leading the creation of design systems, improving design governance, and collaborating with cross-functional teams. Candidates should have robust skills in JavaScript, HTML, and CSS, with experience in Rea ...

Senior Software Engineer — Lead Architect & Mentor (SaaS)

VIQU IT in Milton Keynes is seeking a Senior Software Engineer to join their SaaS company. This role focuses on coding, architectural decisions, and mentoring, with technologies including C#, React, Node.js, and AWS. Candidates should have hands-on experience in these technologies and the ability to lead team ...

Senior Software Engineer Rust/TypeScript SaaS

Platformed is seeking an experienced Full Stack Engineer to join our engineering team in Central London. You will work closely with the CTO and the founders, enhancing our SaaS application with cutting-edge technologies including React, Rust, and TypeScript. The ideal candidate will have over 5 years o ...

Product Engineer for AI Native Defence Platform + Equity

Jack & Jill in London is seeking a Product Engineer to join their team in building AlliedOS, an AI-native operating system for the defence industrial base. The role emphasizes owning features end-to-end, from web to mobile, in a flat hierarchy. The ideal candidate will have 5-8 years of experience in f ...

GenAI Frontend Engineer: Craft Intuitive AI UIs

Jaide Health invites applications for a Front-End Engineer role focused on developing user-centric GenAI applications. You will design and deliver exceptional user experiences while collaborating with cross-functional teams to innovate the GenAI product portfolio. The ideal candidate should have over 5 ...

Senior Full Stack Engineer, Promotions Platform

Wolt is seeking a Senior Full-Stack Engineer for their Promotions team to help build systems that enable merchants to grow through offers and discounts. You will work across the stack, developing both backend services and user-facing tools, ensuring high-quality user experiences. This role is based in ...

Senior Shopify Full‑Stack Engineer: Lead Integrations

Enky is looking for a Senior Shopify Full‑Stack Engineer to enhance their technical capabilities and evolve their product ecosystem. You will be responsible for leading development, optimizing applications, and mentoring junior developers. This role requires 5+ years of relevant experience, especially with Sh ...

Principal Frontend Engineer — Lead, Architect & Scale SPAs

A leading beauty and wellness marketplace is looking for a Principal Frontend Engineer to lead the frontend guild in London. The ideal candidate has strong experience with React and web optimization skills. You will be responsible for driving frontend quality and mentoring team members in a fast-paced environmen ...

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, ...

Forward Deployed Data & AI Engineer Lead

Accenture UK & Ireland is seeking a Senior Consulting Engineer - Forward Deployed Associate Manager to join the Palantir Business Group in London. In this role, you'll take ownership of client solutions, integrating advanced data workflows with AI while collaborating closely with clients to drive substantial imp ...

Lead Full Stack Engineer – Energy Tech & Cloud

A fast-growing energy tech company based in Manchester seeks a skilled engineer to lead the design and development of customer-facing applications using React and TypeScript. You'll architect and implement robust APIs and serverless solutions on AWS while mentoring junior engineers. The ideal candidate has exten ...

Remote AI First Full Stack Audio Engineer

The Audio Programmer is seeking a Full Stack Software Engineer to join their core R&D team. This fully remote position requires 5+ years of experience in building full stack applications and hands-on experience in music technology. The candidate should possess strong skills in Typescript, React, and Node.js, as ...

Senior Front End Engineer: Data Dashboards & AI

A leading technology company in Greater London is seeking a Senior Software Engineer II. In this role, you will design and ship user interfaces for data-intensive products, utilizing React and TypeScript. Responsibilities include building fast, accessible portals, integrating with analytics APIs, and improving s ...

Staff Frontend Engineer, RiskOS (Remote)

A leading identity verification company in London is seeking a Staff Frontend Engineer to define the architecture of their next-generation risk intelligence platform. You will work on cutting-edge technologies, mentor engineering teams, and drive innovations that reshape digital identity. Ideal candidates will h ...

Staff Software Engineer: Platform Architect & AI Lead

A leading technology company in the United Kingdom is looking for a Staff Engineer to oversee the long-term technical health of business units. The role requires expertise in distributed systems, primarily with Python, React, and Postgres, alongside a strong technical leadership background. With a focus on navig ...

Staff Product Engineer AI & Scale (London)

Cavendish Professionals is seeking a Staff Product Engineer to join their high-growth tech company in London. This role is focused on building and scaling user-facing features in a collaborative environment, delivering impactful solutions while working closely with engineering, product, and design teams. ...

Full Stack Engineer (Nuxt/Ionic) – AI Product, Hybrid

An innovative AI product company in Cambridge is seeking a Full-Stack Engineer with over 5 years of commercial experience in full-stack engineering. This hybrid role requires expertise in Vue/Nuxt or React/Next, where you will design and maintain high-quality web and mobile applications. The position offers sign ...

Founding Software Engineer AI Tools for Legal Ops

A promising legal tech startup seeks a Software Engineer to be its first dedicated engineering hire. You will design and build AI tools that automate legal workflows, taking ownership of the product from frontend to infrastructure. The ideal candidate has strong skills in React and Node.js, experience with AWS, ...

Senior Full Stack Engineer Remote East Coast AI/LLM

Harrington Starr is seeking a Full Stack Engineer to join an AI-first technology company based in NYC. You will take ownership across the full stack, developing scalable backend services using Node.js and TypeScript, and building modern product interfaces with React. With a strong emphasis on communica ...

Full Stack Engineer – Rapid Delivery & Impact (Stock Options)

Blink group is seeking a skilled Full Stack Engineer based in London to join their dynamic team. You’ll be responsible for developing and maintaining full-stack applications using technologies like TypeScript, Node.js, and React, as well as supporting internal tooling for their customer support team. W ...

Staff Software Engineer: End to End Product Owner, Full Stack

Ashby in Greater London is seeking a Product Engineer to own and deliver product features end-to-end, from research through design to implementation. You will lead the design and implementation of new features, write specifications, and build scalable services while collaborating with product and design teams. I ...

Senior Full Stack & AI Engineer — Frontend‑Lean, Delivery

慨正橡扯 is looking for a Senior Full‑Stack/AI Engineer (Frontend-leaning) in Greater London. The ideal candidate will have deep experience delivering full-stack JavaScript/TypeScript solutions, particularly with React, Next.js, and Node.js. The role emphasizes building production-ready systems and applying AI in ...

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