287,822+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Technical Lead in Leeds Hays

Responsibilities: Providing direction and oversight of the technical delivery of the digital products you are responsible for. Actively working on our Java and Angular codebase to implement new features and requirements, working in partnership with the Product Owners and Architects. Qualific ...

Senior Security Engineer

Senior Security Engineer | Belfast (Hybrid) At a glance: Senior Security Engineer - Python, AWS, cloud-native security Fast-growing US InsurTech, Belfast engineering hub Hybrid - 3 days Belfast office, 2 days remote Competitive salary + performance bo ...

Senior Support Engineer

Overview Senior Support Engineer to work with a multi-national, industry-leading cyber security/defence company in Cheltenham. Active enhanced DV clearance is required. Base pay range Direct pay range information is provided by Searchability NS&D. Your actual pay will be based on y ...

Platform Engineer

Overview Leading Crypto Trading Client requires a Platform Engineer with Web Scraping, Python and networking tools and Linux. The all-rounder position will look after Network Virtual Servers, requires a self-starter who can communicate with senior stakeholders. Responsibilities <ul ...

Data Engineer

New Permanent Opportunity for an eDV Cleared Data Engineer with AWS Cloud Experience for a leading National Security Consultancy in London. Up to £85,000 DoE plus bonuses Active eDV required London Location – full-time on-site when required Expertise ...

Data Engineer

New Permanent Opportunity for an eDV Cleared Data Engineer with AWS Cloud Experience for a leading National Security Consultancy in London. Up to £85,000 DoE plus bonuses Active eDV required London Location – full-time on-site when required Expertise ...

Data Engineer

New Permanent Opportunity for an eDV Cleared Data Engineer with AWS Cloud Experience for a leading National Security Consultancy in London. Up to £85,000 DoE plus bonuses Active eDV required London Location – full-time on-site when required Expertise ...

Data Engineer

New Permanent Opportunity for an eDV Cleared Data Engineer with AWS Cloud Experience for a leading National Security Consultancy in London. Up to £85,000 DoE plus bonuses Active eDV required London Location – full-time on-site when required Expertise ...

Lead Software Development Engineer Shared Platforms

About this role Capital One is a leading technology company that is changing banking for good by bringing humanity, ingenuity and simplicity to banking. In this role you will serve as a Lead Software Development Engineer – Shared Platforms in our Nottingham office, contributing to the development ...

Full stack Engineer London

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fastest growing enterprise AI ...

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 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 ...

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 ...

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 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 ...

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 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 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 ...

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 ...

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 ...

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 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 ...

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 ...

Lead Java/Scala/Ruby Engineer — Startup, Relocation Offered

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 ...

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 ...

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 ...

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 ...

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 ...

Backend Java SDE II — Scale APIs, Hybrid Work

Tesco Technology in Greater London is seeking a Software Development Engineer II to enhance our backend API systems. You'll design and develop high-performance APIs to improve customer experience. With a knowledge of Java, you'll work closely with senior engineers, participate in team planning, and learn modern ...

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 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 ...

IoT Firmware Engineer — Edge Devices & Performance

A global tech company is looking for a Software Engineer in Cambridge to develop next-generation camera-centric devices. The ideal candidate should excel in embedded systems and possess programming skills in modern languages such as Java, C++, and C#. Responsibilities include managing backlogs, collaborating on ...

ML Projects Engineer: AI Driven Banking Systems

A leading digital bank in Greater London seeks a skilled software engineer to join their ML Projects team. In this role, you will design, implement, and maintain machine learning features, working closely with engineers and data scientists. The ideal candidate will have strong skills in Python, Java, and cloud t ...

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 ...

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 ...

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 ...

Backend Engineer — Microservices & Distributed Systems

WorksHub is looking for a Software Engineer in Manchester, United Kingdom. In this full-time position, you'll be responsible for server-side development, requiring hands-on experience with various languages including Java and Python. The role requires understanding distributed system architecture and microservic ...

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