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

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Principal Platform Engineer: AI, Reliability & Leadership (Hybrid/Remote)

LexisNexis Risk Solutions is looking for a Principal Engineer to guide technical direction across teams, focusing on system modernization and AI applications. This full-time role involves collaborating with various teams to enhance reliability and scalability of platforms. Candidates should have extensive backen ...

Senior Software Engineer Mission Critical Fire Tech (Hybrid)

A global technology firm located in Glasgow is seeking a skilled Software Engineer to join their team. The role supports public safety agencies and offers a hybrid work model. The ideal candidate should have over 5 years of commercial software engineering experience and strong programming skills, particularly in ...

Senior Software Engineer: AI Driven Hybrid Role

INSHUR is looking for a Senior Software Engineer III to work in a hybrid role in Brighton, helping to pioneer AI-augmented engineering. You will be responsible for delivering customer value through innovative product development while collaborating with teams using cutting-edge AI tools. The role requires profic ...

Senior Backend Engineer – Time & Money (Hybrid, Equity)

Personio seeks a Senior Software Engineer in London to build backend systems for time tracking and payroll functionalities. The role includes designing services to ensure accurate data integration into Payroll and Money systems. Ideal candidates have backend engineering experience, strong programming skills in J ...

Senior JVM Live Debugger Engineer | AI Driven Production

A leading developer tools company is seeking a Senior Software Engineer in Greater London. This role focuses on enterprise JVM experience and exciting engineering challenges involving AI integration. Responsibilities include designing product features and developing tooling for AI-first workflows. The ideal cand ...

Senior Staff Software Engineer — Agentic AI Architecture

A leading data integration company in Manchester seeks a Senior Staff Software Engineer to drive architecture and build tools for agentic AI systems. You will mentor engineers and develop scalable software in a collaborative environment. Ideal candidates have deep Java expertise, experience with agentic AI, and ...

Senior Software Engineer Cloud Native & DevOps Builder

Pacific Asset Management, LLC is looking for a knowledgeable Senior Software Engineer to enhance their products and platforms. The role demands collaboration across teams, ensuring systems are robust, maintainable and impactful. The ideal candidate should possess proficiency in modern programming langu ...

SC Cleared Cloud Software Architect Hybrid (Newcastle)

iO Associates is seeking a skilled SC Cleared Software Engineer with strong Java and cloud development experience. You will design, develop, test, and deploy scalable cloud-native applications in a collaborative Agile Scrum team. This role offers a hybrid working model in Newcastle, demanding strong te ...

Senior Cloud Control Plane Engineer Build Real Time Data

Confluent is looking for a Software Engineer, Cloud Control Plane to design and implement a distributed control plane. The role involves working in a collaborative Agile environment with a focus on Kubernetes. Candidates should have strong skills in software design, distributed systems, and programming languages ...

Senior Backend Engineering Lead APIs, Cloud & Scale

Capital One is seeking a Senior Software Development Engineer in Nottingham, offering a hybrid working model. You will lead a backend team, driving innovation and best practices, and contribute to significant software components. The position requires technical leadership, strong programming skills (pr ...

Senior Tech Lead Backend Services & Cloud

A global financial services company is seeking a Lead Software Development Engineer in London to oversee technical design and implementation within a hybrid working model. You will drive project delivery, collaborate with cross-functional teams, and champion quality engineering practices. Exceptional programming ...

Senior Software Engineer Enterprise Web & Cloud (AWS/Azure)

Prattwhitney has a permanent opportunity for a Senior Software Engineer in Manchester. In this role, you'll work in a cross-functional team, delivering critical software across various business areas. You should have full-stack experience, Java skills with Spring Boot, and familiarity with cloud platforms. </ ...

Developer Experience Lead: Platform & Enablement

Capital One (Europe) plc is seeking a Lead Software Development Engineer in Nottingham. You will enhance developer experience by supporting software delivery, improving engineering processes, and collaborating across teams. This role requires strong communication skills and programming expertise in Java or TypeS ...

Senior Automation Test Engineer – Remote/Hybrid

A leading technical consultancy in the Greater Bristol Area is seeking an experienced Senior Automation Test Engineer. The role involves implementing continuous automated testing within CI/CD pipelines, designing test frameworks, and conducting various testing types including automation, security, and performanc ...

Technical Lead – Backend & API Engineering

Leidos is seeking a Lead Software Engineer in Farnborough, UK. The role involves providing technical leadership, overseeing software development, and ensuring quality standards. Applicants should have extensive experience in Java, API design, and Agile processes. The position includes a competitive salary range ...

Senior Full‑Stack Engineer – Data & Analytics

A leading global financial services provider in Glasgow is looking for a Full Stack Software Engineer III to join their Corporate data and analytics services team. The role involves designing and delivering technology products, ensuring security and scalability. Candidates should have strong experience with Java ...

SRE: Application Reliability & Incident Response (Hybrid)

A technology company is seeking a Site Reliability Engineer to join their SRE team. The ideal candidate should have experience with application debugging in Java, Golang, or Python, solid PostgreSQL skills, and familiarity with Kubernetes. Job responsibilities include investigating incidents, application debuggi ...

Principal AI Native Deployment Architect

JetBrains is seeking a Principal Forward Deployed Engineer based in Greater London. In this role, you will work with customers to deploy the JetBrains Central platform into enterprise environments, transitioning them to AI-native workflows. Ideal candidates will have a background in software projects, familiarit ...

Senior Test Engineer Data & Automation Expert

JobItUs in Newcastle upon Tyne is seeking a Senior Test Engineer to lead automation testing initiatives. The ideal candidate will be proficient in Python, Java, and SQL, and experienced in implementing test frameworks. This role requires analyzing test results and mentoring team members, with a focus o ...

Staff AI Driven Full Stack Engineer

Agoda is seeking a Staff Full Stack Engineer to design and build AI-driven chat experiences from their Bangkok HQ. The role requires 8+ years of software engineering experience, expertise in Java, Kotlin, .NET, and JavaScript/TypeScript. You will lead full-stack architecture for user-centric solutions and mentor ...

AI Driven Integration Engineer (Remote)

Fiskl.AI is seeking a skilled engineer to build financial integrations and automate accounting systems. In this role, you will develop payment and banking integrations while employing AI tools to enhance productivity. Ideal candidates will have over 3 years of experience in backend development, specifically usin ...

Senior Software Engineer, Controllers & Financial Systems

WeAreTechWomen is seeking a Controller Engineer to design systems supporting financial measurement and reporting in an Agile environment. The role involves managing the entire systems development process and collaborating with Finance stakeholders. Ideal candidates have a Bachelor’s degree and over six ...

Embedded Debugger Software Engineer

Arm in Manchester is seeking a Debugger Software Engineer passionate about producing quality software. You will work with an Agile team to develop Java and C++ based tools, engaging in the full software lifecycle from requirements through to deployment. This role allows you to implement features for Ar ...

Senior Software Engineer — Lead Modernization & Cloud Apps

aPriori Technologies in Belfast is seeking a Senior Software Engineer to strengthen and modernize its product portfolio. You will design, develop, and evolve complex enterprise applications in a collaborative environment. The ideal candidate will have over 7 years of experience in software engineering ...

Senior Full Stack Engineer — TypeScript, AWS & Svelte

Java Script Works is seeking a Senior Full Stack Engineer to join their team in London. The role requires knowledge of Typescript, Svelte, and AWS Serverless, with confidence in learning new technologies being essential. The company offers a competitive salary and bonus as part of its commitment to valuing exper ...

Front Office Software Engineer — Commodities (Python/Athena)

A leading financial institution in Greater London is seeking a Front Office Software Engineer to enhance, develop, and deliver technology products in the finance sector. The role requires deep technical expertise in software engineering and an understanding of agile methodologies. Candidates should have experien ...

Lead Software Engineer: High Impact Tech, UK Clearance

A UK Defence Technology Company in Cheltenham is seeking a Lead Engineer to design and maintain critical infrastructure. The role involves ownership of team deliverables and collaboration in the software development lifecycle. The ideal candidate will possess strong skills in backend Java and/or frontend develop ...

Java/Kotlin AVP, Prime Brokerage Tech — Hybrid Role

A leading global financial institution in Greater London seeks an experienced developer to engineer solutions within Prime Brokerage Technology. This role focuses on Java and Kotlin components, contributing to CI/CD practices and collaborating with stakeholders. The ideal candidate has a proven App Dev backgroun ...

Lead Software Engineer, Post Trade Tech & FinTech

A leading financial technology firm in Greater London is seeking a Lead Software Engineer to enhance and deliver secure, scalable technology products. This role involves collaborating on complex challenges, executing software solutions, and driving innovative outcomes. Candidates should have advanced proficiency ...

Senior Backend Infra Engineer — Scale Data Systems

A leading data-driven software company in Greater London seeks a Software Engineer to build scalable solutions. The role involves designing infrastructure for complex data systems, contributing to open-source projects, and automating deployments. Ideal candidates have 6+ years of experience, strong coding skills ...

Senior Backend Engineer — Scalable AI HealthTech Platform

An innovative AI HealthTech firm in Manchester is seeking a software engineer to design and build high-performance services. The role involves making architectural decisions, collaborating with teams, and leading technical efforts. Ideal candidates will have over 5 years of experience with Python or Java, expert ...

Lead Software Engineer Cloud Native Banking (AWS)

A leading financial services firm is seeking an experienced Lead Software Engineer to join their International Consumer Bank team in London. This role involves delivering innovative cloud-native solutions and ensuring high-quality software throughout its lifecycle. The ideal candidate has strong Java skills, a s ...

Site Reliability Engineer, Region Services & CI/CD

Amazon is seeking a Site Reliability Engineer for its UK team to pioneer automated Windows service deployments. The role emphasizes building Ansible-based Infrastructure as Code, enhancing operational excellence, and solving complex technical challenges. Candidates should have deep knowledge in systems engineeri ...

Senior Site Reliability Engineer: Cloud & Distributed Systems

A technology firm is seeking a Principle Site Reliability Engineer to build and maintain large-scale distributed systems. Candidates should have strong proficiency in programming languages like Golang, Java, or Python, and extensive experience with cloud infrastructure such as AWS, Azure, or GCP. The role is con ...

Senior Mobile Cloud Backend Engineer

A leading streaming platform is looking for a Senior Software Engineer (Backend) in Manchester. The role involves designing scalable backend services, maintaining robust APIs, and working collaboratively across teams. Ideal candidates will have experience with Java, Python, Docker, Kubernetes, and a degree in co ...

Application Engineer: Image & Signal Processing

Java Script Works is seeking an Application Engineer based in Cambridge, United Kingdom. This full-time role requires a Bachelor's degree in Computer Science or equivalent experience. Candidates should possess strong programming skills in MATLAB, Python, JavaScript, and C++, along with expertise in developing ...

Application Security Engineer: Threat Modeling & Secure Architecture

A leading global e-commerce company is seeking an experienced Application Security Engineer in Greater London. You’ll conduct application security reviews, design secure architecture, and ensure security across various services. A Bachelor's degree in Computer Science and programming experience in Java, C++, or ...

Impactful Full Stack Engineer for Trading Platform

A growing investment bank in Greater London is looking for a Full-Stack Engineer to develop trading system components and maintain production systems. Ideal candidates should possess a Bachelor's degree in a relevant field and have practical experience in Java, Kotlin, or Python. This role offers the chance to m ...

Staff Data Engineer: Architect Data Pipelines & DBs

King is looking for a Staff Data Engineer to be based in London, United Kingdom. The ideal candidate will have extensive experience in software design and development, specifically with Java and Python. The role is full-time and involves working with various relational databases like MySQL and PostgreSQL. </p ...

Staff Software Engineer — Streaming Platform

Checkout.com is looking for an ambitious Staff Data Engineer in Greater London to join our Data and AI Platform Team. The successful candidate will work with technologies like Kafka and Flink to build a scalable event streaming platform to support various engineering teams. Responsibilities include mentoring, im ...

Field Deployments Software Engineer for Autonomous Systems

Understanding Recruitment is hiring a Deployed Software Engineer in Greater London, UK. This role involves deploying cutting-edge AI software into real operational environments while collaborating with customers and users. Candidates must have strong software engineering skills in languages such as Python, C++, ...

Senior Platform Engineer — AI/ML Systems

Java Script Works is seeking a Senior Platform Engineer based in Hook, United Kingdom. This full-time role requires proven experience in delivering software products and programming skills in TypeScript. Candidates should be willing to learn AI/ML frameworks such as TensorFlow and PyTorch. The company offers a c ...

Full Stack JS Engineer | Vue.js & MySQL Specialist

Java Script Works is looking for a full-time Software Engineer Full Stack Developer based in Glasgow, United Kingdom. The ideal candidate should have proficiency in MySQL and JavaScript, experience with front-end technologies like HTML, CSS, and Vue.js, and a solid understanding of Git. This is a competitive opp ...

Senior Algo Trading Engineer Low Latency & SOR (AVP)

Citibank (Switzerland) AG is seeking a Senior Software Engineer for Algo Trading in London. The role involves designing and delivering algorithmic trading and Smart Order Routing (SOR) platforms, requiring strong technical expertise in Low Latency Java, C++, or Rust. Collaboration with traders and quantitative r ...

AI Powered Presales Engineer – Custom Demos & Analytics

Personetics is seeking a full-time Presales Engineer in Greater London, England. The ideal candidate will have strong skills in AI, Machine Learning, and predictive analytics, alongside conversational knowledge of Linux, Java, and SQL. Responsibilities include managing RFIs and RFPs, tailoring demos to prospects ...

Senior Backend Architect: Build Scalable Data & API Platforms

A leading technology company in Greater London seeks a Backend Software Engineer to lead the architecture and development of high-performance backend services. The role involves designing efficient data structures, building robust APIs, and collaborating with cross-functional teams. Ideal candidates will have 6+ ...

Backend Engineer, Crypto Trading (Hybrid London)

A leading technology company in London is seeking a Software Engineer to design and maintain backend services for crypto trading. This role requires expertise in Go, Java, C++, C#, or Python, and offers a hybrid work environment. Ideal candidates will have problem-solving skills and a proactive mindset, along wi ...

Cyber Defense Software Engineer Hybrid (UK)

A cyber security consultancy in Gloucester is seeking a Software Engineer (Hybrid) to work on critical National Security projects. The ideal candidate will have strong skills in Java, Python, or Node, as well as knowledge in AWS, Docker, and Agile methodologies. Responsibilities include designing and documenting ...

Hybrid Automation QA Engineer – CI/CD & Test Automation

A global technology company in the UK is seeking a Quality Engineer specializing in Automation. The successful candidate will streamline testing processes and ensure reliable software delivery using advanced test automation tools like Selenium and Cypress. Applicants should have a Bachelor's Degree and strong pr ...

Principal Software Engineer — Lead Modern Systems (Bonus + Shares)

A leading cloud and software engineering consultancy in Greater London seeks a Principal Software Engineer to provide senior technical leadership. You'll design and evolve scalable software systems, mentor engineers, and influence architectural standards. Ideal candidates have strong experience in Java/Spring, m ...

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