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    Senior Backend Engineer Java/Spring Boot, Lead & Mentor

    As a Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functionality. < ...

    Backend Engineer – Java/Spring Boot & Python (Hybrid London)

    Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

    Senior Software Engineer I Backend (Java) London, UK

    Location: London (Hybrid - 2 days in the London Office) Reports to: Engineering Manager - Customer Tooling The role At Rightmove, we’re on a mission to make home moving easier and simpler for everyone. Every month, millions of people spend over a billion minutes on our p ...

    Backend Engineer: Real Time Data Orchestration (Java/Go)

    Cirata is seeking a Software Engineer for its Symphony Engineering Team in Belfast. The successful candidate will have 2+ years of experience, focusing on backend services in Java and Go, working on enterprise-scale systems with a hybrid work model. The role emphasizes real-time data orchestration and ...

    Staff Software Engineer: Backend Systems (AWS, Java/Kotlin)

    8120 Barclaycard UK is seeking a Staff Software Engineer to design and develop advanced software solutions. The position requires a deep expertise in backend development and familiarity with cloud environments, specifically AWS. In this role, you will collaborate with various teams, implement high stan ...

    Senior Java Backend Engineer for Cloud Scale Systems

    GamblingCareers.com is seeking a Senior Software Engineer (Backend) in Greater London to design and build scalable, cloud-based services using Java and Spring Boot. The role involves leading by example through strong technical execution and mentoring junior engineers. The ideal candidate will have 5-8 ...

    Senior Java Engineer — HealthTech Scale up, NHS Impact

    Halian | Managed Services, Recruitment Agency & Contract Staffing is seeking two Senior Java Developers to join a fast-growing HealthTech scale-up. You will design and develop scalable Java-based microservices and work with a high-performing team to shape the platform's future. The role involves collab ...

    Space Grade Real Time Software Engineer (C++/Java)

    Capgemini Engineering in Stevenage is seeking a Software Engineer to design, develop, and integrate hardware-in-the-loop simulators. You will work closely with system engineering teams for successful test bench delivery used to validate spacecraft and rovers. This role requires excellent C++ and Java s ...

    Lead Backend Engineer — Java/Spring | Hybrid + Visa Sponsorship

    Scrumconnect Ltd. in Swansea is looking for a Lead Backend Developer to drive the design and delivery of scalable and secure Back End systems. You will lead engineering teams, make architectural decisions, and ensure best practices across the development life cycle. The successful candidate should have ...

    Senior Backend Engineer – Java, Cloud, Multi‑Team Leader

    Capital One is looking for a Staff Software Engineer - Back End to drive the technical strategy and lead multiple teams in their London office. You'll own significant business outcomes while fostering engineering excellence. This role includes mentoring engineers and ensuring alignment with business ob ...

    Senior Software Engineer II GraphQL/Java Spring Flexible

    LexisNexis Risk Solutions is seeking a Senior Software Engineer II (Java / Spring) to build scalable, high-performance data-driven applications. You'll work on the Search and AI Platform, delivering innovative solutions that accelerate scientific discovery. The ideal candidate has expertise in Java, Sp ...

    Senior Backend Engineer – Java/Spring Boot & Scalable Systems

    Aristocrat in the City of Westminster seeks a Senior Software Engineer (Backend) to design and build scalable cloud-based services using Java and Spring Boot. This role demands strong technical execution, system design capabilities, and mentoring experience. Candidates should have 5–8+ years in software developm ...

    Senior QA Automation Engineer (Java) — Drive Quality & Growth

    Emergn is seeking a Senior QA Automation Engineer to ensure product quality and reliability. You will work within an agile team, creating and maintaining test suites, performing both manual and automatic testing, while leveraging your experience in automation testing. The ideal candidate has at least 5 ...

    Senior Backend Engineer (Java) — Hybrid London, Scale & Impact

    Rightmove is looking for a Senior Backend Engineer to join their team in London. This role involves designing innovative solutions and integrating third-party platforms to enhance our service delivery. The successful candidate will engage in meaningful projects that impact users significantly. You shou ...

    Lead Modernization Engineer: Java/Node.js (On Site London)

    Adecco is seeking a Lead Modernization Engineer with extensive experience in Java and Node.js to work in Wembley London. The role involves technical mentorship, ensuring coding standards, and optimizing applications for containerization. The ideal candidate will possess a strong understanding of CI/CD ...

    Staff Software Engineer Java Backend in Belfast Visa

    Staff Software Engineer - Java Backend Belfast, UnitedKingdom Posted 9 months ago Tech Stack Software Engineer Backend Java JavaScript API Development Banking SME Knowledge and Expertise Required SME ...

    Full Stack Engineer (Python and/or Java) – VP

    Department Overview Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, ...

    Senior Data Platform Engineer Java/Python, Risk Tech

    A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

    Lead AI & Data Engineer — Java, AWS, Agentic AI

    JPMorganChase is seeking a Lead Software Engineer to join their Commercial & Investment Bank team in Glasgow, Scotland. This role involves designing and delivering advanced AI and data engineering solutions with a focus on stability and security. You will collaborate with cross-functional teams to drive innov ...

    Mid Level Core Java Engineer: Build Scalable Systems

    Fusion Health is looking for an experienced Java Engineer to expand their core engineering team based in London. The ideal candidate has over 3 years of experience in Java programming, strong knowledge of algorithms, data structures, and web architectures. You will contribute to all phases of the devel ...

    Senior Lead Java Engineer for Equities Algo Trading

    J.P. MORGAN is seeking a Lead Software Engineer for their Equities Trading Technology team in Greater London. You will design and develop algo trading strategies and enhance existing systems while collaborating with a global team. The ideal candidate has advanced Java skills, experience in real-time tr ...

    Lead Software Engineer Java, Microservices, Low Latency FX

    JPMorganChase is seeking a Lead Software Engineer to join the Corporate & Investment Bank (CIB) Markets team in Bournemouth. You will play a crucial role in developing secure and scalable technology products for foreign exchange trading platforms. The successful candidate will have extensive experience ...

    Lead Power Systems Engineer — CIM/CGMES, Java & Git

    Aspen Technology, Inc. is seeking a Principal Power Systems Engineer in Glasgow, United Kingdom. The ideal candidate will have expertise within the electrical utility industry, specifically using CIM and CGMES standards, and proficiency in Java programming. This full-time position demands good experience with Gi ...

    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 ...

    Senior Java Platform Engineer | Spring Boot, K8s, Cloud

    NextWave Consulting Ltd is seeking a Senior Software Engineer in the UK with hybrid work options. The successful candidate will lead the development of a scalable Data Fabric platform, focusing on Java and Spring Boot microservices while mentoring team members. Required skills include hands-on experience in CI/C ...

    Lead Java Software Engineer in FX Payments tech

    Job Description Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you’ll help build trusted solutions that power global transactions. You’ll have the opportunity to grow your skills, collaborate with talented colleagues, and contr ...

    Java Lead eSoftware Engineer Equities Algo Trading VP

    Java Lead eSoftware Engineer - Equities Algo Trading - VP LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 05/12/2026, 10:42 AM Location ...

    Senior Java Backend Engineer – Cloud Data Platform (Remote)

    Xantura Limited is seeking a Senior Java Developer in London to design and develop scalable backend systems for our cloud-based data and analytics platform. Candidates should have strong commercial experience with Java and excellent technical skills in SQL, REST APIs, and Linux environments. The role i ...

    Fund Software Engineer — Java/Python/Perl (Markets Data)

    Software engineer - fund London, United Kingdom Posted 10 months ago Tech stack Java Perl Python Required Skills Behaviours (for both Market Data and Order Entry, with a focus on Market Data) Knowledge o ...

    Full Stack Engineer (.NET/Java) Cloud & API Innovator

    SKY is seeking a cloud services developer to join their Content Technology and Innovation team in Greater London. In this role, you will collaborate on building and enhancing Cloud-based applications while supporting production services. The ideal candidate should have extensive knowledge in .NET (C#) and Jav ...

    Senior Java Engineer — AI Driven Fintech, Hybrid Cardiff

    IntaPeople: STEM Recruitment is seeking a Senior Java Developer in Cardiff, focusing on agentic coding and AI development. This hybrid role requires strong Java experience and offers opportunities within a high-performing team. The ideal candidate will have at least 5 years in Java development, particu ...

    Senior Lead Software Engineer Backend Engineering Java/Kotlin

    Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. We ...

    Lead Software Engineer Cloud/Java Python/AI ML

    Job responsibilitiesDesign, develop, and implement cloud-based applications and services.Collaborate with architects and engineers to ensure design solutions are aligned with business goals.Optimize applications for performance, scalability, and security.Identify oppo ...

    Senior Software Engineer II: Graph & Search Platform (Java)

    RELX is seeking a Senior Software Engineer II (Java/Spring) to join their Search and AI Platform team. This role involves designing graph-based search services, developing robust applications, and integrating with cloud-native systems while supporting scientific discovery through advanced technology. T ...

    Java Sr Lead Software Engineer OMS/Sales VP

    Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Global Sales OMS technology group working in EMEA with a focus on our NAMR operations, you are an ...

    Real Time Core Java Engineer Low Latency Trading

    Teza Technologies in Greater London is looking for a core infrastructure developer to enhance their real-time trading platform. The role demands proficiency in Java and C++ along with experience in building low-latency systems. You’ll be responsible for designing new functionalities and troubleshooting produc ...

    Secure Java Backend Engineer for Mission Critical Intelligence

    Envitia is seeking a Java Software Engineer to join our Security and Intelligence consulting team in Cheltenham. The role involves designing, developing, and maintaining secure software services within classified environments, focusing on high-performance backend systems. We offer a commitment to growt ...

    Senior Java Backend Engineer – Low Latency FinTech (Remote)

    Client Server is looking for a Backend Software Engineer / Developer in London with the option to work from home, offering a salary of up to £100k. You will design and develop trading systems, utilizing advanced Java and other technologies in a microservices environment. This role requires expertise in ...

    Staff Software Engineer (Kotlin/Java) HealthTech, Equity, Hybrid

    Client Server is seeking a Staff Software Engineer / Developer (Kotlin Java JVM) in Greater London. In this hybrid role, you will join a HealthTech startup focused on improving patient care through innovative technology. The position involves working hands-on on Greenfield applications with a tech stack inclu ...

    Backend Java Engineer AWS | Fintech for Good | Hybrid

    Client Server is looking for a Software Engineer / Developer in London, offering a salary up to £90k. You will work on innovative financial tech solutions that empower communities globally. In this role, you’ll have a solid background in Java and AWS, collaborating to enhance the payment platform with ...

    Senior Big Data Engineer — Java/Scala, Data Lake

    COLLAB. Recruitment Ltd is seeking a Senior Software Engineer specializing in Big Data within Greater London. The role requires deep Java and Scala programming skills, with emphasis on TDD and BDD methodologies. Candidates should have solid experience in concurrent and asynchronous design as well as a clear u ...

    Lead Backend Engineer — Java/Kotlin, Cloud, London (Hybrid)

    Synchro is hiring for an experienced Lead Backend Engineer to work with a prestigious bank or financial services organization in London. You will be hands-on, delivering code into production across various critical projects while collaborating with stakeholders. Ideal candidates have robust experience in Java ...

    Senior AI Driven Reg News Engineer (Java/C#)

    The London Stock Exchange Group is seeking a Senior Developer to join the Regulatory News Service team in London. You will utilize AI to improve user experience and reduce operational workload for both internal and external users. Your role will involve full lifecycle Agile development and engaging wit ...

    Senior Java Engineer for AI Driven Cloud Platform

    Behavox is looking for a Senior Software Engineer (Java) to drive technical direction across core product domains. The ideal candidate will have deep hands-on Java experience combined with architectural expertise, participating in key decisions on technology and design. The role offers a rich opportuni ...

    Full Stack Software Engineer II — AWS, Java, GraphQL

    Tripadvisor is seeking a Software Engineer II to join their team in Greater London. This full-stack role involves working on backend systems while also having opportunities to engage in front-end projects. The position embraces a remote-first working model and facilitates periodic in-person gatherings ...

    Senior Software Engineer Regulatory News (AI/C#/Java)

    ABOUT US:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide ...

    Hybrid Backend Engineer — Java/Spring Boot on GCP

    Sivara GmbH is seeking a Backend Engineer to join our team on a 6-month contract in London. This role requires developing scalable, customer-facing digital products and services primarily in Java and Spring Boot within a GCP environment. The ideal candidate will have strong commercial experience with J ...

    Java Software Engineer for Scalable Apple Services Platform

    Apple is looking for a world-class software engineer to design and build the software for our customer engagement platform in London. This pivotal role involves building secure systems and collaborating with cross-functional teams to enhance user experience. The ideal candidate will have a relevant deg ...

    Mid Level Java Engineer — AI & DevOps | Hybrid UK

    CDL Software in Manchester is looking for an Intermediate Java Developer to join their engineering team. The successful candidate will design, build, and maintain Java applications, contributing to CI/CD processes and collaborating effectively with teams. This hybrid role offers a competitive salary be ...

    Hybrid Software Engineer Java/Spring, DevOps (4mo Contract)

    Sivara GmbH is seeking a Software Engineer for a 4-month contract project in Stockport, operating on a hybrid basis. The role offers opportunity within a highly agile team and involves enhancing and delivering products using modern technologies like Java, Spring Boot, and Kubernetes. As part of an agil ...

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