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

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Full Stack Engineer / Technical Lead

Full Stack Engineer / Technical Lead (Python API JavaScript React) Oxford / WFH to £80kOpportunity to take ownership of the technology strategy, architecture and software platforms that power a growing motorsport and technology business. As the Full Stack Engineer / Technical Lead you wil ...

CIAM Engineer

CIAM Engineer I am currently recruiting for a CIAM Engineer to join a leading financial services organisation based in the UK.If you are interested in applying for this job, please make sure you meet the following requirements as listed below.Within this role, the candidate must have a hands on experienc ...

CIAM Engineer

CIAM EngineerDo you have the right skills and experience for this role Read on to find out, and make your application.I am currently recruiting for a CIAM Engineer to join a leading financial services organisation based in the UK. Within this role, the candidate must have a hands on experience of Auth0, ...

Founding AI Engineer (£100k–150k + Equity) at Pharosyn

Job Title: Founding AI Engineer Salary: £100k–150k + Equity Company Description: Pharosyn - EF-backed AI startup for pharma Job Description: Join Pharosyn as a founding engineer to automate competitive intelligence in the pharma and biotech industries ...

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 ...

CIAM Engineer

CIAM Engineer I am currently recruiting for a CIAM Engineer to join a leading financial services organisation based in the UK. Within this role, the candidate must have hands‑on experience of Auth0, Okta, Ping Identity or ForgeRock. You must also have experience of working with the build of authe ...

Senior Full Stack Engineer (+ Equity) at SYSTM

Job Title: Senior Full-Stack Engineer Company: SYSTM - VC‑backed fintech building the stablecoin financial OS Job Description: As the most critical hire of 2026, you will own the technical architecture of a platform revolutionizing cross‑border finance. Working direc ...

Full Stack Engineer

Senior Full Stack Engineer – Scaling Series B HealthTech Hybrid working – London based Node.js, TypeScript and React We’re partnered with a fast-growing consumer technology driven business who are now looking for a Senior Software Engineer as they continue to scale. The bu ...

Founding AI Engineer (£100k–150k + Equity) at Pharosyn

Job Title: Founding AI Engineer Salary: £100k–150k + Equity Company Description: Pharosyn - EF-backed AI startup for pharma Job Description: Join Pharosyn as a founding engineer to automate competitive intelligence in the pharma and biotech industries ...

Frontend Developer

Contract: Initial 6 Months (Highly Likely Extension) We're partnering with a globally recognised technology and streaming organisation seeking a Senior Frontend Engineer to join a high-performing engineering team on an initial 6-month contract, with strong potential for extension based on p ...

Breaker/Builder at Sanctuaryhealth.io

Job Title Breaker/Builder (Forward Deployed AI Engineer) Company Sanctuaryhealth.io - Profitable, high-growth healthtech startup reimagining patient care. Job Description Join a high-growth startup as a Forward Deployed AI Engineer, bridging the gap between clinical ...

Full Stack Engineer / Technical Lead

Full Stack Engineer / Technical Lead (Python API JavaScript React) Oxford / WFH to £80kOpportunity to take ownership of the technology strategy, architecture and software platforms that power a growing motorsport and technology business. As the Full Stack Engineer / Technical Lead you wil ...

Junior Dotnet Developer

Junior .NET Core Engineer Location: Warrington (onsite) Salary: £28,000 – £35,000 Overview My client is a well-established technology-led business looking to grow its in-house development team. They’re n ...

Founding AI Engineer (£100k–150k + Equity) at Pharosyn

Job Title: Founding AI EngineerSalary: £100k–150k + EquityCompany Description: Pharosyn - EF-backed AI startup for pharmaJob Description: Join Pharosyn as a founding engineer to automate competitive intelligence in the pharma and biotech indust ...

Staff Design Engineer, UK

ResponsibilitiesYou'll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in house design system, and consult on bespoke design work needed by product engineers.Redesigned our mobile web app by talking with custo ...

Staff Design Engineer, UK

ResponsibilitiesYou'll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in house design system, and consult on bespoke design work needed by product engineers.Redesigned our mobile web app by talking with custo ...

Staff Design Engineer, UK

ResponsibilitiesYou'll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in house design system, and consult on bespoke design work needed by product engineers.Redesigned our mobile web app by talking with custo ...

Lead Backend Engineer, Trading Platform & LowLatency Systems

Bullish, Inc. is seeking a Lead Engineer for Trading Product Engineering. This hands-on role involves driving backend development for high-performance trading engine components. The ideal candidate has over 12 years of Java experience and a deep understanding of trading technologies. You will mentor en ...

Senior Backend Engineer II Europe Expansion Lead

Wise is looking for a Senior Backend Engineer II in Greater London to drive growth and innovation within our Regional Europe & UK team. The role involves developing high-performance tools using Java and Spring Boot, collaborating with cross-functional teams, and mentoring junior engineers. The ideal ca ...

Senior Android Engineer Digital Identity & Fintech Impact

A leading global financial services firm is seeking a Software Engineer III - Android to join their dynamic team in London. This role involves developing customer-centric products, collaborating with cross-functional teams, and ensuring high code quality. Ideal candidates will have a Bachelor's degree in Compute ...

Senior Software Engineer Core Platform (Rust/C++, Python)

Durlston Partners LLP is hiring a Senior Software Engineer in London to design and develop core platforms that enable autonomous systems. You will work alongside exceptional engineers and tackle complex technical challenges in a collaborative culture. The ideal candidate has strong skills in C++, Java, ...

Staff Software Engineer – Global KYC & Onboarding Platform

A global technology company is seeking a Staff Software Engineer to join the Global KYC and Onboarding squad. The role involves creating innovative solutions for a new onboarding platform and mentoring junior engineers. Candidates should possess over 10 years of experience in software engineering, with significa ...

Senior AI Engineer: Production ML & MLOps

Kainos is seeking a Senior AI Engineer to bridge the gap between data science and software engineering. This role focuses on productionizing AI and machine learning solutions within the Workday Practice, collaborating with cross-functional teams to deliver robust AI functionalities. Essential qualifica ...

AI Agentic Engineer Deploying Proactive Workflows

Workato is seeking an experienced Forward Deployed Engineer to join their team in Greater London. The role involves designing, developing, and deploying advanced AI solutions, particularly using the Workato platform. Candidates should have a BTech/BE in a relevant field and at least 4 years of experience in AI e ...

Senior DevOps Engineer — Cloud Automation & Delivery

Pioneertechlabs in Slough is seeking a skilled DevOps Engineer to enhance customer experiences through functional systems. This role requires providing technical support, performing root cause analysis for errors, and developing software in Java, Ruby, or Python. The ideal candidate will have experienc ...

Backend Engineer AI‑Driven Recommendations

JD.COM is looking for a Software Engineer - Recommendation to join its technical team at Joybuy in London, UK. The ideal candidate will possess extensive experience with Java and Spring Boot, focusing on developing backend services that enhance customer recommendations through machine learning integration. </ ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

Senior Prompt Architect for Scalable LLM Solutions

Moonfire in Reading is looking for a Senior Prompt Engineer to lead the design, optimization, and scaling of advanced prompting strategies for large language models (LLMs). The role involves delivering context-aware and safe AI outputs across complex enterprise use cases. This position includes respons ...

Senior Full Stack Tech Lead Public Sector (Swansea)

Scrumconnect Ltd. in Swansea is seeking a Lead Software Engineer to provide technical leadership across multi-disciplinary teams. This senior role combines engineering excellence with team guidance and will play a key part in delivering impactful digital services for the UK government. The ideal candid ...

Senior Quant Engineer: Exotic Derivatives & Pricing Engine

Randstad Technologies Recruitment is seeking a Quantitative Engineer to join a premier financial institution in London (Canary Wharf). The role requires 15+ years of experience in designing and implementing pricing and risk models for complex exotic derivatives, with a strong emphasis on Java, C++, and Python ...

Python AI Helpdesk Engineer RASA Integration

Java Script Works is seeking a Python Software Engineer to take the lead on the integration of RASA for our AI-driven helpdesk system. The role is part-time and focuses on enhancing our Ed-Tec platform. Ideal candidates will have expertise in Python and experience with AI systems. You will play a key r ...

Senior Video Infra Engineer – Live & VOD at Scale

Roku, Inc. is seeking a Senior Software Engineer to design and build large-scale video infrastructure for Live and VOD streaming workflows. In this role, you will work on cloud-native services that handle complex media pipelines, ensuring efficiency and reliability. The ideal candidate will have deep e ...

DV Cleared Lead DevOps Engineer — SRE & Cloud

Searchability NS&D is hiring for a Principal DevOps Engineer in the United Kingdom, offering a permanent role with a salary up to £100,000, depending on experience. This position requires active Enhanced DV clearance and is based in Manchester. The ideal candidate will work on innovative projects for N ...

Remote Software Engineer – Build scalable, member first services

慨正橡扯 is seeking a passionate software engineer to join their team in Uxbridge. This full-time position emphasizes a collaborative work environment, utilizing modern development practices to enhance the broadband experience for members. The ideal candidate will have strong skills in Test Driven Developm ...

AI Solutions Engineer Customer Facing, 60% Travel

MOBOLISE is seeking a Forward Deployed Engineer in Greater London to lead the design and delivery of AI solutions for strategic clients. You will drive end-to-end implementation, ensuring impactful outcomes while collaborating directly with customers. The ideal candidate has 5+ years of experience in b ...

Back Office Platform Engineer Scale & Automate (London)

Capstone Investment Advisors, a $12 billion asset management firm in London, seeks an Enterprise Software Engineer. The role involves modernizing the BOSS platform and building software to enhance workflow efficiency across Operations, Treasury, and Compliance. The ideal candidate will have a Bachelor' ...

Application Security Engineer: Cloud & Secure Architecture

Amazon is seeking a Security Engineer for its Application Security team in London. The role involves conducting application security reviews, secure architecture design, and threat modeling. Candidates should possess a Bachelor's degree in Computer Science or equivalent, with knowledge of networking protocols ...

Senior Lead Cloud Platform Engineer — Kubernetes & CI/CD

A leading global financial services firm is seeking a Senior Lead Software Engineer within their Accelerator Business Platform Team. In this role, you will set technical direction across squads, develop and review production code, and design scalable platform services emphasizing Kubernetes. The ideal candidate ...

Senior Backend Engineer: AI Secure Integrations

Ten Eleven Ventures is seeking a Backend Engineer to design and maintain scalable integrations between core applications and security platforms. This hands-on role will focus on building backend services in a microservices architecture, ensuring operational efficiency and security best practices. The i ...

Back‑Office Platform Engineer – Modernize & Automate

Capstone Investment Advisors is seeking an engineer to join the Enterprise Engineering team focused on upgrading technology platforms. The ideal candidate will partner with business stakeholders to deliver high-quality solutions, maintaining and modernizing our proprietary back-office platform, BOSS. C ...

Senior Kotlin Backend Engineer Cloud Microservices Lead

RedRock Consulting is looking for an experienced Senior Backend Engineer to join a high-performing engineering team delivering digital services for a major UK Government client. You will focus on developing scalable backend services and enhancing microservices-based applications. The ideal candidate sh ...

Senior Security Engineer: Secure, Scalable Apps

A leading global financial services firm is seeking a Software Engineer III to join their agile team in Bournemouth, England. The successful candidate will design and deliver trusted market-leading technology products. Responsibilities include developing secure production code, analyzing large data sets, and con ...

Elastic Stack Engineer for AI Driven Data Platform

Java Script Works is seeking an Elastic Stack Engineer to join their team in Greater London. In this role, you will engage with advanced technologies including artificial intelligence and machine learning, collaborating with multiple development teams to drive data projects. The position offers a competitive sal ...

Lead Software Engineer: Cloud SaaS & Modernization

Centaur Labs is looking for a Senior Software Engineer to strengthen and modernize its automation solutions. In this role, you'll collaborate with a distributed team to design and develop complex enterprise applications, employing Java, Spring Boot, and AWS technologies. The ideal candidate will have e ...

Senior Backend Engineer – Fintech Microservices Lead

A fintech SaaS company is seeking a Senior Back-end Engineer to join its high-growth team in London. This role involves leading the design of scalable microservices and developing RESTful APIs using Java 21 and Spring Boot. The ideal candidate will have over 7 years of back-end development experience with a soli ...

Senior SRE (Java/Python) for Secure Collaboration Platforms

A leading global financial services firm in the UK is seeking a Site Reliability Engineer III for their External Collaboration team. This role involves leading the development and integration of collaboration platforms such as Microsoft 365 B2B and Google Workspace. The ideal candidate should have a solid backgr ...

Senior Risk Software Engineer — AI Driven CI/CD Leader

A leading technology consultancy in Greater London is seeking a senior hands-on software engineer to play a key role in designing and delivering enterprise-grade platforms. You will work on Risk technology, ensuring solutions are robust and scalable. Candidates should have strong skills in C#, Java, and .NET, al ...

Vice President, Data & AI Engineering: Scale AI Platforms

JPMorgan Chase & Co. is hiring a Data & AI Engineer in Greater London to design and maintain scalable data platforms. This role involves building pipelines that support analytics and AI applications, while collaborating with cross-functional teams. The ideal candidate will have strong programming skill ...

Cloud Data Engineer National Security (Security Cleared)

Sanderson Government & Defence is seeking a Senior Software Engineer specializing in National Security (Data Systems) in Gloucester. You will design scalable data processing solutions and lead the development of cloud-native systems to address critical security challenges. The ideal candidate will have ...

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