At a Glance
- Tasks: Lead the development of innovative Java applications and AI features for a global financial platform.
- Company: Join the London Stock Exchange Group, a leader in financial markets and data.
- Benefits: Enjoy healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.
- Other info: Be part of a diverse team committed to sustainability and innovation.
- Why this job: Make a real impact on global finance while advancing your career in a creative environment.
- Qualifications: 12+ years in backend software engineering with strong Java and Python skills.
The predicted salary is between 63000 - 77000 £ per year.
We are seeking a highly skilled and hands-on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell's global family of indexes and requires advanced engineering, high precision data processing, and deep collaboration across global teams. This is a deeply technical role focused on designing, building, integrating, and operationalising modern software and AI driven capabilities across internal platforms and client facing products. You will work with innovative technologies, contribute to complex algorithmic design, and drive engineering excellence in a high performance, data intensive environment.
Core Engineering & Platform Delivery
- Design, develop, and maintain complex Java and Python applications using modern engineering practices.
- Build / embed AI powered features into mission critical systems.
- Architect and enhance services that support large scale, performance critical index computations.
- Collaborate with Product Managers, UX, and engineering teams globally to deliver high quality products.
- Lead projects end-to-end through requirements, design, development, testing, deployment, and operations.
- Build and maintain automated test suites to ensure performance, scalability, and security.
- Diagnose production issues, identify root causes, and deliver Level 3 support and fixes.
Experience & Skills
- 12+ years of hands-on backend software engineering experience.
- Support the organisation's AI adoption journey.
- Develop and enhance intelligent solutions using LLMs, LangChain/LangGraph, and agentic AI frameworks.
- Establish engineering best practices for safe, scalable, traceable and production ready AI deployments across internal platforms and external product suites.
- Strong algorithms, data structures, problem solving skills, and ability to translate business problems into scalable solutions.
- Good command of coding standards and strong understanding of both high level and low level software design.
- Expertise in: Core Java, Python, Building highly distributed, data intensive systems, Microservices, REST APIs, RDBMS (Oracle/SQL Server/Postgres), CI/CD tools (Jenkins/GitLab), DevOps automation, Docker, Kubernetes, JVM profiling & performance optimisation.
- Prior exposure to Level 3 production support.
- Experience within financial services or with financial market data.
- Experience running Agile teams.
A proactive, creative engineering leader who enjoys solving complex problems, working hands-on with modern technologies, and driving AI enabled innovation. If you're passionate about building resilient, intelligent, data intensive systems that power global financial markets, we'd love to hear from you.
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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business.
LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.
Development Technical Lead in London employer: London Stock Exchange Group
At London Stock Exchange Group, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. As a Lead Java Engineer in our Risk Platform team, you will have access to unparalleled growth opportunities, working alongside industry experts in a vibrant London setting that champions diversity and professional development. Join us to make a meaningful impact while enjoying competitive benefits and a supportive environment that values your contributions.
Contact Details:
London Stock Exchange Group Recruitment Team
