Principal Java Architect

Reporting to the Director of Architecture within the Risk Intelligence team. Risk Intelligence is responsible for developing critical services that support anti-money laundering efforts in the financial markets. We're looking for a Principal Java Architect to lead the design, evolution, and governance of our Java-based platforms. This is a hands-on, high-impact role where you'll shape the future of our backend architecture, coach senior engineers, and ensure our engineering practices and tooling are world-class. You'll be a key influencer in our technology strategy, driving innovation while ensuring robustness, scalability, and maintainability., * Architectural Leadership: Define and evolve the architecture of our Java platforms, ensuring alignment with business goals, scalability, and long-term maintainability.

• Code Quality & Reviews: Perform technical reviews, enforce clean code principles (e.g. SOLID), and ensure adherence to architectural standards.
• Mentorship & Coaching: Guide senior engineers and technical leads, fostering a culture of engineering excellence, autonomy, and continuous learning.
• Event-Driven & Domain-Driven Design: Champion modern architectural paradigms such as event-driven systems, DDD, and microservices.
• Tooling & Developer Experience: Own and enhance the Java development ecosystem-including build tools (Maven/Gradle), CI/CD pipelines, static analysis, and testing frameworks.
• Framework & Codebase Contribution: Contribute to and evolve shared libraries, frameworks, and platform components that power our services.
• Innovation & Research: Stay ahead of the curve on Java ecosystem developments (e.g. Project Loom, GraalVM, Kotlin, Quarkus) and lead strategic adoption.
• Cross-Functional Collaboration: Work closely with product, architecture, and platform teams to deliver cohesive, performant, and secure solutions., A leading financial markets infrastructure provider in the UK seeks a Principal Java Architect. This mid-senior level role involves leading the design and governance of Java platforms, ensuring best practices, and enhancing the development ecosystem. The ideal candidate..., Role: Building Regulations Principal Designer Location: UK wide office network (you can be based in London, Manchester, Birmingham, Bristol, Liverpool) Sector: Construction Consultancy Salary: £65,000 - £75,000 + bonus scheme + attractive benefits package We Recruit..., A leading financial markets infrastructure provider is seeking a Principal Java Architect. This role involves architectural leadership for Java-based platforms, ensuring alignment with business goals and mentoring engineers. The ideal candidate has extensive expertise in..., Overview Reporting to the Director of Architecture within the Risk Intelligence team. Risk Intelligence is responsible for developing critical services that support anti-money laundering efforts in the financial markets. We're looking for an ambitious Principal Web...

• Deep Java Expertise: Spring/Spring Boot, and the broader JVM ecosystem.
• Architectural Mastery: Strong grasp of software architecture patterns (e.g. hexagonal, layered, microservices), DDD, and event-driven systems (Kafka, Pulsar, etc.).
• Engineering Excellence: Mastery of SOLID principles, design patterns, dependency injection, and ORMs (e.g. Hibernate, JPA).
• Tooling Fluency: Experience with Gradle/Maven, CI/CD (e.g. Jenkins, GitLab), static analysis tools (e.g. SonarQube), and test automation.
• Optimisation Mindset: Good knowledge of algorithms, being able to quickly understand runtime complexity and offer alternative implementation. Good knowledge of data structures, understanding query patterns and being able to offer SQL and NoSQL solutions with appropriate scalable indexes.
• Cloud-Native Thinking: Experience writing software for cloud platforms (AWS, GCP, or Azure), including containerization (Docker, Kubernetes) and observability.
• Security & Resilience: Understanding of secure coding practices, fault tolerance, and system resilience in distributed environments.
• Leadership & Influence: Ability to lead by example, influencing without direct authority, and communicate complex ideas clearly to technical and non-technical audiences., * Experience with reactive programming (e.g. Project Reactor, RxJava).
• Exposure to GraphQL, gRPC, or API gateway patterns.
• Experience with building agents or using Agentic frameworks such as LangChain4j, Embabel or equivalent.
• Contributions to open-source projects or technical blogs.

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 presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG's ticker symbol is LSEG., People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential. We know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers., LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions., 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..., Palantir Solution Architect Our client is a Leading Digital Transformation Consultancy named a Times Top 100 Company To Work For for seven consecutive years. As a Palantir Solution Architect, you will lead multi-skilled agile teams to design and deliver contemporary data..., Columbus is a consultancy company focused on helping organisations drive business value by advising, creating, and advancing the entire business. We deliver digital value through human intelligence, enabling our customers to innovate and grow. Job Title, Principal BC..., Chapman Tate Associates are working in partnership with a market leading organisation within the Financial Services industry to recruit a Senior Java Developer based in Nottingham.Responsibilities:You'll build and maintain efficient, reusable, reliable and secure code based..., Chapman Tate Associates are working in partnership with a market leading organisation within the Financial Services industry to recruit a Java Developer based in Nottingham.ResponsibilitiesYou'll build and maintain efficient, reusable, reliable and secure code based on User..., Palantir Data Engineer Our client is a Leading Digital Transformation Consultancy who have been named a Times Top 100 Company To Work For for 7 consecutive years. As a Palantir Data Engineer, you will join a highly regarded digital, data, and technology consultancy...