Description
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.
Key Responsibilities
- 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.
- Conduct peer reviews, provide technical leadership, and mentor junior engineers.
Required 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.
Benefits
- We enhance each employee's potential through personal development through a wide range of learning tools both formal and informal.
- LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.