Senior Java Engineer
London Stock Exchange Group
In this role you will contribute to building and evolving the FTSE-Russell Index platform within LSEG. You’ll work with a global team to design, develop, and optimize high-precision financial data calculations and services. You will collaborate across product, UX, and engineering to deliver robust, scalable solutions and provide Level 3 production support when needed. This position offers exposure to cutting-edge technology and impactful index-driven products that underpin market infrastructure.
Pay / Benefits- healthcare
- retirement planning
- paid volunteering days
- wellbeing initiatives
- Design, develop, and maintain complex Java and Python applications and services
- Architect new or reused systems to drive complex applications
- Collaborate with Product Managers, UX, and engineers globally
- Lead requirements gathering, design, testing, and deployment
- Establish automated tests and ensure robustness, scalability, and security
- Resolve production issues with root-cause analysis and timely fixes
- Mentor junior developers and perform code reviews
- Provide Level 3 production support to minimize business disruption
- Degree or equivalent experience in Computer Science or Electronics / Electrical Engineering
- 10+ years of backend software development experience
- Strong Java core skills and data structures knowledge
- Proficiency in Python and its libraries/frameworks
- Experience with relational databases (Oracle/SQL Server/Postgres)
- DevOps and CI/CD tooling experience (e.g., Jenkins, GitLab)
- Docker and Kubernetes familiarity
- Microservices and REST APIs
- Multi-threading and concurrency understanding
- Experience with performance optimization and JVM profiling
- Mentor experience and Scrum/Agile exposure
- Familiarity with in-memory caching, Kafka, and testing frameworks (BDD)
- Excellent problem-solving and analytical abilities
- Results-driven and self-motivated
- Strategic thinking and change leadership
- Core Java
- Python
- Relational DBs (Oracle/SQL Server/Postgres)
Reference: WJ-747_30165493