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    Senior Ad Auction Engineer — Real Time, Scalable

    Roku in Leeds is seeking a Lead Software Engineer to enhance real-time ads auction systems. You will build and optimize distributed services, drive yield optimization, and lead a team focused on growing advertising performance. Ideal candidates will have significant experience in large-scale systems, microservic ...

    Senior Backend Engineer & Tech Lead Cloud APIs

    Capital One is seeking a Senior Software Development Engineer in Nottingham to lead backend projects in a hybrid role. Candidates should have proven technical leadership experience, exceptional programming skills (particularly in Java), and a strong understanding of cloud-based development like AWS. The role inv ...

    Backend Engineer II — High Scale Distributed Systems (Equity)

    Software Careers is seeking a Software Engineer II in London to take ownership of high-scale backend infrastructure. This role involves working with distributed systems processing over 1 trillion queries daily and solving complex algorithmic challenges. Ideal candidates should have proficiency in C#, Java, C++, ...

    Backend Engineer – Developer Enablement & Platforms

    Citi is seeking a talented server side engineer to join their Chief Technology Office in Belfast, UK. This role focuses on delivering high-quality code for internal tools that drive productivity across the organization. The ideal candidate will have strong skills in Kotlin or Java and experience with RESTful API ...

    Senior Software Engineer, Secure & Scalable Systems

    JPMorgan Chase & Co. is hiring a Software Engineer III in Hurn, United Kingdom. This role involves designing trusted market-leading technology products as part of an agile team. The successful candidate will execute software solutions, write secure production code, and analyze data to improve applications. Key s ...

    Senior AI Governance Engineer & Tech Leader

    JPMorgan Chase & Co. is looking for a Principal Software Engineer in Bournemouth to lead AI governance engineering initiatives. This role entails designing and building platforms that ensure compliance in AI/ML solutions. The ideal candidate should have extensive software engineering experience, proficiency in p ...

    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 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 ...

    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 ...

    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 ...

    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 ...

    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 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 ...

    Remote Backend Engineer Communications Platform

    Phorest Software in Leatherhead is looking for a Mid-level Software BackEnd Engineer to join our Communications team. You'll help shape our multi-tenant SAAS platform that impacts millions globally. The role requires strong Java skills, with knowledge of JavaScript and RESTful APIs being essential. Enjoy benefit ...

    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 Software Engineer — Backend/Full Stack, AWS & GraphQL

    TripAdvisor LLC is seeking a Senior Software Engineer to join their team in Oxford. This full-stack position focuses primarily on backend work, offers a remote-first working model, and requires collaboration with product managers and designers. Candidates should have experience in Java, React, and willingness 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 ...

    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 ...

    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 ...

    Principal Software Engineer – Drive Scalable Innovations

    A leading integration platform company is seeking a Principal Software Engineer to design, build, and deliver complex systems. This role involves collaborating with cross-functional teams to develop new features for Boomi's platform. Ideal candidates will have expertise in OOP, Java, and React, with experience i ...

    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 ...

    Senior Software Engineer – Distributed Calculation Lead

    A global financial services firm is looking for a Senior Engineer to take on the role of Applications Development Technology Lead Analyst. This position involves designing, building, and maintaining a large-scale calculation engine crucial for risk calculations. Candidates should have extensive Java experience, ...

    Senior Backend Engineer Enterprise Payments & Banks

    A global technology company is seeking a Senior Software Engineer I for the Wise for Banks team in Greater London. The role involves designing and implementing scalable services using Java and Spring Boot within a microservices architecture. Candidates should have strong experience in Kafka, PostgreSQL, and even ...

    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 ...

    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 ...

    Back End Engineer, Fraud in London Blockchain.com

    Fault Tolerant, Production Ready Distributed Backend Systems You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug, and ship microservices. You are customer-focused and continuously suggest how the... <h ...

    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 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 ...

    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#, ...

    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 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 ...

    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 ...

    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 ...

    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 ...

    Staff Software Engineer, Warehousing & Cloud Apps

    Marks and Spencer is looking for a skilled software engineer to lead the development of robust backend systems and cloud applications. You will shape engineering standards and mentor fellow engineers, participating in a transformative journey towards a digital-first organization. The role demands experience in s ...

    Staff AI Systems Engineer — Remote GTM Context & Insights

    HubSpot is hiring a Staff Software Engineer to enhance AI products within the Engage Product Group. This role requires solid experience in building AI solutions, and strong programming fundamentals, primarily in Java. Key responsibilities include writing production code, collaborating with product management and ...

    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 ...

    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 ...

    Staff Backend Engineer – Trading Systems & Leadership

    MARKS&SPENCER is seeking a Staff Software Engineer to create robust and scalable solutions. Ideal candidates will have extensive experience in backend systems and proficiency in languages like Java, PL/SQL, and JavaScript. Responsibilities include mentoring engineers, conducting code reviews, and ensuring high-q ...

    Senior Lead Engineer: Databricks, Python & AWS

    J.P. MORGAN in Glasgow is looking for a Senior Lead Software Engineer to join their Global Finance Technology team. You will build secure, scalable solutions, focusing on Python, Java, and AWS. Responsibilities include leading code quality, developing microservices, and managing data pipelines. Ideal candidates ...

    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 ...

    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 ...

    Graduate Quality Engineer: Shape Quality in Scalable Systems

    Trayport is looking for a passionate Quality Engineer to join their team in Greater London. You will be essential in defining and executing quality strategies, performing exploratory and technical testing, and enhancing the software development process. Ideal candidates will have a strong background in software ...

    Android Software Engineer III – Fintech

    hackajob is seeking a Software Engineer III - Android for J.P. Morgan in Greater London. In this role, you will develop customer-centric products, collaborate with cross-functional teams, and ensure high code quality. The ideal candidate should possess advanced skills in Java/Kotlin, experience with Android arch ...

    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 ...

    Lead Software Engineer, Shared Platforms & Cloud Enablement

    A financial services company in Nottingham is seeking a Lead Software Development Engineer to design and develop software solutions within a collaborative engineering team. The successful candidate will have significant experience in API development, Java programming, and leading engineering best practices. This ...

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