290,883+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Full Stack Engineer

Full Stack Developer (Backend Focus) | TypeScript | Node.js | FinTech Competitive Salary + Benefits We're working with an innovative FinTech business that is transforming the way investment professionals manage and monitor structured products through cutting‑edge technology. The ...

Senior Generative AI Architect

Senior Generative AI Architect – London, UK – Hybrid work mode Skills: AI/ML architecture; AI frameworks; AI models & solutions; cloud platforms (e.g., AWS, Azure, Google Cloud) and programming languages such as Python, Java, or C++. Job Description The Senior Generative AI Archit ...

Senior Generative AI Architect

Overview Job title: Senior Generative AI Architect Location: London, UK Skills: AI/ML architecture; AI frameworks; AI models & solutions; cloud platforms (e.g., AWS, Azure, Google Cloud) and programming languages such as Python, Java, or C++. Job Description The Senio ...

Senior Generative AI Architect

Job title: Senior Generative AI ArchitectLocation: London, UKWork mode: HybridSkills: AI/ML architecture; AI frameworks; AI models & solutions; cloud platforms (e.g., AWS, Azure, Google Cloud) and programming languages such as Python, Java, or C++.We at Coforge are looking for ...

Software Engineering Manager Transfers

We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. You will contribute in expanding our new capabilities that will enable our clients to seamlessly transfer in (and out) financial pro ...

Lead Machine Learning Engineer, Associate Director (Manchester)

The Fitch Group Emerging technology AI Center of Excellence (COE) group is seeking a principal machine learning or AI engineer to build and support Generative AI, Machine Learning, Deep Learning, and Data Science solutions across the organization. The position will be based out of our London or Manchester ...

Principal Developer

Senior Java Developer (Must hold active SC) The Company At Amber Labs, we are a cutting‑edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company c ...

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 ...

Senior Java & AI Lead Engineer for Payments Platform

JPMorganChase in Glasgow is seeking a Lead Software Engineer to develop high-performing payment solutions in a fully cloud-based application. The role involves building new payment flows, coding, and ensuring operational stability in a collaborative, agile environment. The ideal candidate will have extensive cod ...

Senior Java Tech Lead: Cloud Microservices & FinTech

A leading financial institution in London is seeking a Senior Lead Software Engineer to deliver innovative cloud-native solutions. The ideal candidate will have significant experience in Java, be proficient with microservice architecture, and thrive in an agile environment. You'll be contributing to diverse proj ...

Senior Backend Engineer (Java/Spring) Cloud & Microservices

A leading investment platform in the UK is seeking a Senior Application Software Engineer to design and build highly scalable applications in a hybrid workplace. The ideal candidate will have proven experience in Java development, cloud architecture, and a strong background in financial services. Responsibilitie ...

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 ...

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 ...

Senior DevOps Engineer Linux, Python & Automation

Amazon UK Services Ltd. is seeking a Senior DevOps Engineer in Cambridge, United Kingdom. The candidate should have experience deploying and operating in Linux/Unix environments as well as programming skills in Python, Java, Bash, and Perl. Knowledge of engineering practices for the full software/hardware/networ ...

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 ...

Lead Quant Front Office Engineer – Equity Derivatives

JPMorganChase is seeking a Lead Software Engineer in Greater London to design scalable and secure technology solutions for financial services. You'll work within an agile team, blending innovation and technical expertise to drive progress. Qualified candidates will have a Bachelor's in Computer Science ...

Senior Data Platform Engineer Spark Threat Analytics Equity

CrowdStrike is seeking a Senior Software Engineer to join their data engineering team in Greater London. This role focuses on creating and maintaining a hyper-scale data lake for threat detection, requiring extensive experience in backend development and data platforms. The ideal candidate will have ov ...

Java Engineer — High Performance FinTech Platform (London)

Hunter Bond is seeking a Java Software Engineer to join their innovative fintech company in London. The role involves hands-on development of a cutting-edge distributed trading platform with a focus on high-quality code and agile practices. With a strong engineering culture and commitment to modern tec ...

Senior Kotlin/Java Backend Engineer – FinTech, Microservices

Hydrogen Group is seeking a Senior Software Engineer specializing in Kotlin and Java to join a major financial services programme in London. This role focuses on building scalable systems and microservices within a regulated environment. Candidates should have strong experience in backend development, ...

Senior Backend Engineer AI & Security Integrations

Harmonic Security is seeking a Backend Engineer in Greater London, United Kingdom. This role involves designing and maintaining scalable integrations between various security systems, focusing on high-performance applications within the Java ecosystem. The ideal candidate will have 3–5+ years of softwa ...

Senior Software Engineer, Guest & Host: EU Backend Lead

Traveltechessentialist in Greater London is looking for a skilled software engineer with at least 5 years of backend/full-stack experience. The role involves architecting complex features and collaborating with various teams to enhance the company's offerings. The ideal candidate will have strong Java and/or Kot ...

Senior AI Solutions Engineer — Cloud Native & LLM Ops

A leading global investment firm is seeking an experienced AI Application Engineer to drive the development of cloud-native AI applications. The role involves rapid prototyping, solution implementation, and key business partnership to integrate AI capabilities. Ideal candidates should have over 9 years in softwa ...

Market Data Software Engineer – Hybrid & Big Data

hackajob is partnering with TradingHub to find a talented Software Engineer in London. In this role, you will design and maintain market data environments and work closely with Pricing Quants and Risk Strats. The ideal candidate has strong experience in C#, Python, or Java, with a background in financi ...

Senior Lead Java Engineer Equities Algo Trading

JPMorgan Chase & Co. is seeking a Lead Software Engineer for their Equities Algo Trading team in London. The role involves designing and developing algo trading strategies, enhancing real-time processing solutions, and working closely with quant teams and traders. The successful candidate will have adv ...

Full Stack AI Engineer: Build Production AI Apps

Harnham, located in Greater London, is seeking a talented software engineer to design and maintain AI-enabled applications. The role demands strong programming skills in languages like Java and Python, as well as hands-on DevOps expertise with CI/CD. Ideal candidates will have experience building produ ...

Software Engineer – Real Time Microservices for Marketing

Omaze is seeking a Software Engineer for its Acquisitions team in Edinburgh. You will work on micro-services to enhance marketing efficiency, focusing on real-time data systems. The ideal candidate will have strong backend engineering skills in Java and experience with ReactJS. The role offers professi ...

Software Engineer Real Time Microservices

FanDuel is looking for a Software Engineer in the City of Edinburgh, Scotland, to join our Acquisitions team. This role focuses on creating highly efficient systems to manage real-time data for marketing partners. The ideal candidate will have a strong background in Java backend engineering, be familia ...

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 Software Engineer: Fraud Prevention SaaS at Scale

A leading payments technology company is seeking a Senior Software Engineer to design and scale their SaaS platform. This role involves collaborating with teams to develop innovative solutions to combat financial crime. Candidates should have experience in SaaS, proficiency in Java or Python, and a strong unders ...

Senior Software Engineer Public APIs & Expense Platform

A global technology firm in Greater London is seeking a Senior Software Engineer to enhance their Business Expense Management team. You'll design and maintain scalable services while producing public-facing APIs. Ideal candidates will be proficient in Java, familiar with microservices, and possess strong communi ...

Junior Java Engineer — Flexible Backend & Digital Solutions

EY is seeking a Junior Java Engineer to join their Digital Engineering team in Belfast. The role involves designing and delivering backend solutions, coding new developments, ensuring code quality, collaborating with product teams, and managing live incidents. Applicants should have a Bachelor's degree in a rela ...

Trading Tools Engineer — Embedded Desk, Low‑Latency

A diversified trading firm is seeking a Software Engineer to collaborate with trading desks and enhance trading tools. The role involves ownership from prototype to production, while working with multiple languages, including Python, Java, and C++. Ideal candidates will have a minimum of 2 years of experience in ...

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 ...

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 ...

Senior Backend Architect, Fraud & Risk – Remote

Fanatics Betting & Gaming is searching for a Staff Backend Engineer to lead the backend architectural evolution in fraud detection. The role requires 7+ years in software engineering, primarily with Java and Spring Boot, emphasizing secure and scalable systems. Ideal candidates will collaborate with Risk and Com ...

Staff Software Engineer: Tech Lead & Architect (Hybrid UK)

A leading consulting firm is seeking a Staff Engineer to provide technical leadership and mentor team members while working on complex software projects. This hybrid role based in Paddington, UK, requires strong Java skills and experience in the retail domain. You'll shape technology strategies, tackle challengi ...

Software Engineer Analytics & Data Pipelines

Apple is looking for a Software Engineer in London to join the Analytics and Data Engineering team. You will develop large-scale systems to power Apple’s services like the App Store and Apple Music. The ideal candidate should have experience with distributed systems and proficiency in Java or Scala, or equivalen ...

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 Software Test Engineer – Fixed Income Automation

Citi is seeking a Software Test Engineer for the Global Fixed Income Trade Processing (FiTP) Team in Belfast. This role involves automation testing, developing test plans, and ensuring quality for critical applications. The ideal candidate will have hands-on experience in Selenium or Cypress, strong Ja ...

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 ...

Lead Java Scala Developer / PM in London Quant Capital

This is a job posted by our partner Jooble Yes, it’s a start-up, yes it's bleeding edge. Language is irrelevant. I want bright technologists who can cut solid code. I offer relocation for strong candidates. Job Description Quant Capital is urgently looking for a Lead Java / Scala / R ...

Principal Backend Architect Scale Driven Game Systems

King is seeking a Principal Backend Software Engineer to lead the design of backend systems for Candy Crush Saga. You will collaborate with engineers and stakeholders to drive technical initiatives and oversee critical architectural decisions. The ideal candidate should possess extensive experience wit ...

Senior Test Engineer Java Automation & CI/CD (London)

LinuxRecruit is looking for a Senior Test Engineer to join their team in London. The ideal candidate will have a solid understanding of automation and a strong preference for coding in Java. This full-time position offers a competitive compensation package ranging from £70K to £80K. The role will involve working ...

Java JEE Engineer – Real Time Payments Platform

A high-growth global fintech is seeking a Software Engineer II in Glasgow to develop and maintain robust transaction processing systems. The role requires expertise in Java-JEE and a solid understanding of secure web applications. Candidates should be comfortable in cloud environments and familiar with modern de ...

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 ...

Senior Java Lead for Equities Algo Trading

J.P. MORGAN is seeking a Lead Software Engineer for its Equities Trading Technology Organization in Greater London. This role involves developing algo trading strategies and real-time systems while collaborating with global teams. Candidates should have advanced Java skills, experience in low latency trading, an ...

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 ...

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    Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights