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Java Engineer United Kingdom, London Jobs

16 Job Offers

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Senior Java Engineer - Payments (ICON IPF)
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Senior Java Engineer (Payments) sought by a top consultancy to lead a major payment modernisation programme in London. You will deploy the Icon Payments Framework (IPF) for a leading UK banking client, migrating from legacy systems to a cloud-native architecture. Requires 5+ years in Java 11, Spr...
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United Kingdom , London
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Not provided
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Randstad
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Until further notice
Java Electronic Trading Engineer – Front office
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Senior Java Electronic Trading Engineer needed to build next-gen low-latency crypto trading systems in London. Requires 10+ years’ front office Java experience, expertise in concurrency, and low latency/zero GC environments. Join a leading digital asset firm offering top benefits, equity, and hyb...
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United Kingdom , London
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Not provided
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Harrington Starr
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Mid Level Java Software Engineer
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Mid-Level Java Software Engineer sought by a leading fintech firm to join their London team. You will build and scale production-grade systems that directly impact revenue, collaborating with front-office and trading teams. Ideal candidates have 2–5 years of Java experience and a Computer Science...
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United Kingdom , London
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120000.00 GBP / Year
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Hunter Bond
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Java Software Engineer
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United Kingdom , London
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120000.00 GBP / Year
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Hunter Bond
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Java Engineer
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United Kingdom , London
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80000.00 - 115000.00 GBP / Year
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Harrington Starr
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Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP
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Senior Java Engineer (VP) sought for Citi’s Equity Derivatives Tech team in London. Architect and deliver the Equinox platform, driving high-impact financial systems with Java, REST APIs, and Kafka. Requires senior-level expertise in clean code, TDD, and multi-threaded programming. Benefits inclu...
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United Kingdom , London
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Not provided
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Citi
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Senior Java Engineer - Full Stack, Vice President
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Senior Java Full-Stack Engineer (Vice President) sought in London to design and build large-scale, mission-critical applications. This role demands 6-10 years of experience with Java, Spring Boot, and React/Angular, plus expertise in microservices and AI-powered development tools. You will drive ...
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United Kingdom , London
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Not provided
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Citi
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Staff Engineer – Java
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Join our London team as a Staff Engineer, leading the development of scalable, cloud-native platforms. You will design high-quality backend services using Java 17+, Spring Boot, Kafka, and Azure/AWS. This technical leadership role involves mentoring, driving CI/CD/DevOps practices, and championin...
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United Kingdom , London
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80000.00 GBP / Year
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Nicoll Curtin
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Senior Java Engineer
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Join a global financial services leader as a Senior Java Engineer in London. Develop and shape a critical, high-scale enterprise platform using modern Java. This hands-on role requires strong backend expertise and collaboration with senior stakeholders. Drive technical standards and stability in ...
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United Kingdom , London
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130000.00 GBP / Year
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Hunter Bond
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Senior Java Software Engineer – Core Backend Platform
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Join a remote-first, global team as a Senior Java Software Engineer. You'll build and maintain the core backend platform, focusing on stability and reliability for complex systems. This role requires strong Java fundamentals and a proactive mindset. Enjoy high autonomy in a low-ego, quality-drive...
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United Kingdom , London
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Not provided
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Orbis Consultants
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Senior Java Software Engineer
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Join a leading bank's multi-year tech transformation as a Senior Java Engineer in London. Design robust microservices and APIs for critical banking platforms using Java, SQL, and Agile practices. This permanent role offers a competitive salary, long-term growth, and real impact in a regulated env...
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United Kingdom , London
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90000.00 - 110000.00 GBP / Year
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Morson Talent
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Senior Java Software Engineer
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Join a leading global financial services firm as a Senior Java Engineer in London. You will develop and enhance a critical, high-impact enterprise platform using modern Java. This hands-on role involves driving technical strategy, ensuring engineering excellence, and collaborating with senior sta...
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United Kingdom , London
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Salary
130000.00 GBP / Year
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Hunter Bond
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Senior Java Engineer
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Join a global financial services leader as a Senior Java Engineer in London. Build and scale critical, high-quality applications using modern Java in a complex environment. This hands-on role involves shaping technical direction and collaborating with senior stakeholders. Drive platform performan...
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United Kingdom , London
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Salary
130000.00 GBP / Year
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Hunter Bond
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Senior Java Engineer
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Join a global financial services leader as a Senior Java Engineer in London. Develop and shape a critical, high-scale enterprise platform using modern Java. This hands-on role requires strong backend expertise and collaboration with senior stakeholders. Drive technical standards and stability in ...
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Location
United Kingdom , London
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Salary
130000.00 GBP / Year
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Hunter Bond
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Java Software Engineer
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Join a growing London FinTech as a Java Software Engineer. Develop cloud-based applications using Java 17+, Spring Boot, and Azure. Take ownership of features from design to deployment in a collaborative, fast-paced environment.
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United Kingdom , London
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65000.00 GBP / Year
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Orbis Consultants
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Junior Java Software Engineer
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Join a high-calibre team in London as a Junior Java Engineer. Work on real production systems with modern backend frameworks and APIs. Gain mentorship in a collaborative, low-ego environment with a hybrid work model. Ideal for curious developers eager to learn and grow their Java skills.
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United Kingdom , London
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Not provided
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Orbis Consultants
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Until further notice

About the Java Engineer role

Explore the dynamic world of Java Engineer jobs, a cornerstone of modern software development. Java Engineers are specialized software developers who leverage the robust, versatile, and widely-adopted Java programming language to build, maintain, and scale critical applications that power businesses globally. This profession sits at the heart of technological innovation, creating everything from enterprise-level backend systems and high-frequency trading platforms to scalable web services and intricate data processing pipelines. For those with a passion for problem-solving and a knack for creating efficient, reliable software, a career as a Java Engineer offers a challenging and rewarding path with a vast landscape of opportunities.

Professionals in this role are primarily responsible for the entire software development lifecycle of applications. A typical day involves designing technical solutions, writing clean and maintainable code, and debugging complex issues. They develop and consume RESTful APIs to enable seamless communication between different software components and services. A significant part of their work revolves around building and maintaining microservices architectures, which break down large applications into smaller, independent, and scalable services. Collaboration is key, as Java Engineers frequently work alongside product managers, UX/UI designers, quality assurance teams, and other engineers to define requirements and ship new features. Furthermore, they are responsible for implementing robust security measures, performing code reviews to ensure quality and knowledge sharing, and mentoring junior team members to foster a culture of continuous improvement.

To succeed in Java Engineer jobs, a specific and evolving skill set is required. Core proficiency in Java, including a deep understanding of its object-oriented principles, concurrency, and memory management, is fundamental. Expertise in the Spring Framework, particularly Spring Boot for creating stand-alone applications, is almost universally expected. A solid grasp of microservices architecture principles and patterns is crucial for modern development. Database skills are essential, including experience with relational databases (RDBMS) like PostgreSQL or MySQL, and often NoSQL databases like MongoDB, coupled with knowledge of ORM technologies such as JPA/Hibernate. Familiarity with build tools like Maven or Gradle, version control systems like Git, and the principles of Continuous Integration and Continuous Deployment (CI/CD) is standard. Increasingly, experience with containerization technologies like Docker and orchestration platforms like Kubernetes is highly valued. Beyond technical acumen, strong problem-solving abilities, excellent communication skills, and a commitment to lifelong learning are vital traits for navigating the ever-changing tech landscape. A bachelor's degree in computer science or a related field is a common requirement, though equivalent practical experience is often considered. If you are ready to build the foundational software that drives the digital economy, begin your search for Java Engineer jobs today.