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    Backend & API Engineer, Payouts Platform

    A leading technology recruiting firm is seeking a Backend/API Engineer to join the Payouts team, focusing on building systems that facilitate money transfers. The role involves designing reliable payout APIs and improving the speed and accuracy of fund transfers, addressing complex challenges at the intersection ...

    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 ...

    Backend Engineer Core Infrastructure

    As a Backend Engineer on Spotify's Core Infrastructure team, you'll build and maintain the platform foundations that power Spotify for 600M+ users globally. You'll work on reliability, scalability, and developer tooling—ensuring engineering teams can ship features rapidly and safely. Skills Requir ...

    Full Stack Engineer — Build Trading Systems, Early Impact

    A growing financial technology firm in the United Kingdom is looking for a Full-Stack Engineer to develop key components of their trading system. Ideal candidates will have a background in Computer Science or similar fields and proven coding experience in Java, Kotlin, or Python. This role offers the chance to m ...

    Senior DevOps Engineer Build Systems & Automation

    A technology-driven company based in London is seeking a Senior DevOps Engineer to enhance their build system and automation processes. The successful candidate will maintain build infrastructure, assist with server setups, and develop monitoring systems. Ideal applicants should have at least 3 years of experien ...

    Backend Engineer (Remote, UK) – Kotlin, Postgres, Rails

    A leading knowledge services firm is seeking a Mid-level Backend Engineer to join their London team. In this remote role, you will design and deploy solutions using Java or Kotlin, and contribute to building scalable technology for a world-leading research platform. The ideal candidate has over 3 years of experi ...

    Senior Lead Engineer, Post Trade Blockchain & Cloud

    A global financial markets provider seeks a Senior Lead Engineer to play a critical role in developing cloud-based market infrastructure. This position emphasizes engineering excellence and requires strong skills in advanced Java, microservices, and agile methodologies. Candidates should be familiar with cloud p ...

    Principal Platform Engineer Cloud & Automation

    A leading digital retailer is seeking a Principal Platform Engineer to design and maintain cloud infrastructures. This role requires strong troubleshooting skills and expertise in various programming languages, including Java and scripting. You will work closely with engineering teams to enhance platform reliabi ...

    Cloud SRE Global Observability Lead (Remote UK)

    A leading technology company is seeking a Staff Site Reliability Engineer - Cloud to architect the Observability Centre of Excellence, ensuring reliability and uptime of global platforms. This role involves implementing OpenTelemetry, developing automation scripts, and optimizing platform performance while colla ...

    Backend Engineer, Core Infrastructure: Scale & Reliability

    A leading tech company in Greater London is looking for a Backend Engineer to build and maintain the platform foundations for their services used by over 600M users globally. You will be responsible for ensuring reliability, scalability, and providing developer tooling so that engineering teams can deliver featu ...

    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 ...

    Staff ML Engineer Recommender Systems (Remote, London)

    A leading social media platform in the UK is seeking a Staff Engineer to enhance its personalization models for 300 million users. The ideal candidate will have over 8 years of experience, strong coding skills in Go or Java, and expertise in machine learning and systems design. This remote role offers the opport ...

    Principal Engineer – Personalisation & ML Systems

    A leading UK retailer is seeking a Principal Engineer to shape their technical direction and lead engineering excellence. The role involves driving strategy, designing scalable systems for personalisation, and mentoring engineers. Ideal candidates will have strong experience in Java or Python, machine learning, ...

    Android Security Engineer – Secure Mobile SDKs

    A global IT services company is looking for an experienced Android Engineer to join their team in Bristol, UK. This role involves developing high-quality Android components and mobile security features while ensuring adherence to best practices. Candidates should have exceptional knowledge of Kotlin/Java and exp ...

    Senior QA Automation Engineer — Lead Testing Strategy

    A technology firm in Greater London seeks a Senior QA Automation Engineer to lead quality initiatives and improve automation frameworks. This role includes mentoring engineers and establishing testing standards within Agile teams. The ideal candidate will have significant experience in QA, expertise in test auto ...

    Staff Backend Engineer — Ads Platform

    A leading gaming and media company is seeking a Staff Backend Engineer for its Ads Engineering team in London. The role involves developing scalable and reliable advertising technologies that manage vast amounts of requests daily. Ideal candidates will have strong Java experience and knowledge of AdTech platform ...

    Senior ML Engineer, Personalization Work from Anywhere

    A leading technology company in Greater London is looking for a Machine Learning Engineer specializing in Personalization. You will build and scale systems that power recommendations for millions of users. The role requires mid to senior level experience in production ML systems and strong skills in Python, Java ...

    Senior Android Platform Engineer – Full Stack Debug

    A leading technology company in Greater London is seeking an experienced Android Platform Engineer to tackle complex technical problems across the system stack. The role involves deep technical triage, proactive improvements, and collaboration with engineering teams. Ideal candidates have 5-8 years of hands-on A ...

    Java SRE: Cloud Native Microservices in FinTech

    A leading IT services firm in Burgess Hill is seeking a Java Engineer to support clients within the financial industry. The role requires a strong technical grasp of the Spring Framework, experience with Spring Boot, and proficiency in database technologies like MySQL and Oracle. Responsibilities include develop ...

    Senior Backend Engineer AdTech, Real Time & Scalable

    A dynamic eCommerce platform is seeking a Senior Backend Engineer to join their AdTech team in London. In this role, you will develop and scale backend services that enhance user experiences across advertising systems. You will collaborate with Product Managers, Data Scientists, and Engineers to create impactful ...

    VP Lead Engineer Real Time Fixed Income Trading Platform

    A leading technology firm in London is seeking a Lead Engineer (VP) to transform a Fixed Income trading platform. In this hybrid role, you will build high-performance trading applications and influence engineering practices. The position offers a competitive salary of up to £130,000 along with strong benefits an ...

    VP, Full Stack Engineer — Enterprise Platform Leader

    A leading financial services firm is seeking a Full-Stack Engineer (Vice President) in Manchester. This role will focus on driving technology initiatives, demanding expertise in both front-end and back-end development, as well as collaborative problem-solving skills. Candidates should have a Bachelor’s degree an ...

    Senior Application Security Architect

    A leading e-commerce company is seeking an experienced Application Security Engineer in Greater London. The successful candidate will conduct application security reviews, secure architecture design, and perform threat modeling. A Bachelor's degree in computer science or equivalent, along with knowledge of netwo ...

    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 ...

    Senior Fullstack Engineer — Global Commerce Platform (Remote)

    A leading audio streaming service is looking for a Senior Fullstack Engineer to enhance its payment infrastructure. The role involves architecting and implementing backend services using Java and Python to ensure payment processing across their platform. The ideal candidate is experienced in modern JavaScript, c ...

    Senior VP of AI Driven Full Stack Engineering

    A global financial services company is seeking an experienced Senior Vice President, Full Stack Engineer, in Manchester. The candidate will define technology strategy and champion AI-driven development practices. Strong Java and Python skills are essential, along with a Bachelor's degree in computer science. Com ...

    Senior Platform Engineer – DevOps & Engineering Excellence

    A global financial institution in Belfast is looking for a Senior Engineer to lead and implement application systems reforms. The role demands extensive experience with multiple programming languages such as Java, Go, and Python, as well as a strong understanding of both SQL and NoSQL databases. The successful c ...

    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 ...

    Senior Engineer, Platform & DevOps (Hybrid)

    A leading global financial services company in Belfast is seeking a Senior Engineer to lead application systems analysis and programming. Responsibilities include integrating functions, ensuring compliance, and mentoring mid-level developers. Required skills include expertise in multiple programming languages su ...

    Backend Engineer HFT & Crypto Systems (London On Site)

    A high-growth blockchain infrastructure company based in Greater London seeks a talented Backend Engineer to develop backend systems for trading and digital asset platforms. The role requires over 5 years of expertise in backend engineering, particularly in high-frequency trading, alongside proficiency in C++, R ...

    Sports Tech AI Engineer Remote, Learning Fund

    Flutter UK & Ireland is seeking a passionate AI Engineer to join our dynamic team in West Yorkshire. You will design, develop, test, and launch innovative solutions, mentor peers, and improve current practices. The ideal candidate has experience with LLM-based applications, programming languages like Python, C#, ...

    Backend Engineer, Global Shared Finances

    Wise, a global technology company, is seeking a Backend Engineer for their Account Sharing team. The role focuses on designing and building new products in shared finances, including international joint accounts. Ideal candidates should be proficient in backend programming languages like Java, Kotlin, and Python ...

    Senior Backend Engineer, Trust Detection — Remote & Growth

    Depop in Greater London is seeking a Senior Backend Engineer for its Trust Detection team. In this role, you will design and deliver backend solutions, evolve core detection services, and collaborate with ML Engineers on innovative detection systems. Ideal candidates will have strong backend fundamentals and pro ...

    Senior Backend Engineer Scalable Messaging Platform

    hackajob is seeking a Backend Engineer to join their Account Communications team in Greater London. The role involves enhancing customer communications through diverse channels while ensuring system reliability and scalability. Candidates should be proficient in backend programming languages like Java, Kotlin, P ...

    Remote Test Engineer: Automation & API

    Zaizi is seeking a Test Engineer passionate about technology for a remote role. You will collaborate closely with clients and cross-functional teams to design and build automation frameworks. Key requirements include strong knowledge of Selenium, programming skills in Java, JavaScript, or Python, and excellent c ...

    Senior Backend Automation Engineer — FX eTrading

    Citibank (Switzerland) AG is seeking a Senior Automation Engineer in Greater London to lead automation efforts for backend processes within the FX eTrading tech stack. The ideal candidate has significant experience in backend test automation, strong Java skills, and expertise in integrating automated tests into ...

    Senior Platform Solutions Engineer (API & Partners)

    Wise Australia Investments is seeking a Senior Solutions Engineer to join the Wise Platform team in London. This pivotal role involves providing technical consulting to banks and tech companies, enhancing product offerings, and collaborating across teams to integrate Wise products. Candidates should have strong ...

    Senior Automation Test Engineer: CI/CD & API/UI Automation

    IBM is seeking a Senior Automation Test Engineer to join their team in Winchester. In this role, you'll design and develop efficient automated testing solutions for public sector and defence clients, using modern automation tools like Java and Selenium. You'll collaborate with DevOps teams, enhance product quali ...

    Senior Automation Test Engineer: CI/CD & API/UI Automation

    IBM is seeking a Senior Automation Test Engineer in East Midlands, UK. You will support public sector and defence clients by delivering reliable automated testing solutions. The role involves designing and developing automated test scripts while collaborating with developers and DevOps teams to enhance product q ...

    Release Automation Engineer – CI/CD Leader

    Allwyn UK in Watford seeks a Release Engineer to manage code releases across test environments, implementing automated processes, and ensuring environment stability. Ideal candidates will have hands-on experience with release management, knowledge of web technologies like Java and SQL, and familiarity with agile ...

    Senior Application Security Engineer Cloud & Trust

    A global technology company is seeking an experienced Security Engineer to join their Application Security team. The role includes conducting application security reviews, designing secure architectures, and providing guidance on security best practices. The ideal candidate should possess a Bachelor’s degree in ...

    Automation QA Engineer: Cloud & API Testing, Growth Path

    Maxwell Bond is seeking an Automation Test Engineer in Leeds. The role involves manual and automation testing using Java, Selenium, and other tools, contributing to the enterprise cloud-native platform. You'll work in a supportive environment with opportunities for quick progression into senior roles. The positi ...

    Remote Senior QA Engineer – Data & API Automation

    La Fosse is seeking a Senior Quality Assurance Engineer to join a consultancy in Greater London. This role, offering £500 per day, focuses on automating tests within microservices, validating data, and ensuring system reliability. The successful candidate will work remotely and collaborate with product teams to ...

    Senior Android Engineer: Kotlin, Clean Architecture, Equity

    Hopeghospital is seeking a Mid/Senior Android Engineer in Greater London. The role involves designing and developing scalable Android applications using Kotlin and Java, integrating REST APIs, and mentoring junior developers. The ideal candidate has strong skills in MVVM and Clean Architecture, with a focus on a ...

    Automation Quality Engineer CI/CD Test Expert

    IBM is seeking a Quality Engineer in Leicester to develop automated tests for applications. You'll work with tools like Selenium and programming languages such as Java and Python. The position involves integrating automated tests within CI/CD pipelines and collaborating with development teams to enhance product ...

    Quality Automation Engineer: CI/CD, Frameworks & Testing

    Omaze is hiring a Quality Automation Engineer in Cambridge, UK, to enhance the quality and reliability of our critical documentation platform. The successful candidate will partner with development teams, design test plans, and maintain automation frameworks, focusing on CI/CD processes. Applicants should have p ...

    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 ...

    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 Data Backend Engineer, Search Quality

    Yelp is seeking a data-oriented backend engineer based in Edinburgh, Scotland, to build and improve backend systems for their Search platforms. You will work with various teams to support prototyping and testing for a smarter search experience. The role requires fluency in Python or Java, experience with SQL/NoS ...

    FX Latency Engineer & Tech Lead – Hands on, Hybrid

    Citi is seeking a hands-on Java engineer for a full-time role in London. The position involves managing a talented team, implementing solutions in FX Technology, and enhancing system architecture. Candidates should have strong experience in ultra-low-latency development and a proven track record in building syst ...

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