Real time - Java developer

Your Team Responsibilities

The MSCI Index System calculates and distributes equity indices to financial markets in real time. We’re seeking a Java Engineer to join a team focused on delivering low-latency, highly reliable indexation solutions using a hybrid architecture that leverages Azure cloud services and on-premises data center infrastructure. You will design, implement and operate components of our real-time index production and distribution pipeline and work closely with Technology, Research, Program Management and Data teams.

Your Key Responsibilities

• Design, build and maintain high-performance, low-latency Java services that support real-time index calculation and distribution.

• Implement scalable, resilient solutions across a hybrid Azure / on-premises architecture.

• Collaborate with Research, Data and Program Management to translate business requirements into technical designs.

• Optimize code and system architecture for throughput, latency and reliability.

• Participate in capacity planning, incident response and production support for real-time systems.

• Contribute to code and architecture reviews

• Create and maintain detailed technical documentation for system designs, development processes, and operational procedures.

Your skills and experience that will help you excel

• Practical experience using AI-assisted developer tools such as Cursor or GitHub Copilot as part of regular software development.
• Demonstrated ability in prompt engineering and building reproducible prompt templates for coding tasks, automated tests and documentation.

• Strong experience in Java and modern development practices.

• Proven experience building and operating distributed, low-latency systems.

• Familiarity with cloud platforms (Azure preferred) and on-premises integration.

• Strong understanding of concurrency, multithreading, performance tuning and profiling.

• Experience with messaging / streaming technologies

• Familiar with SQL and at least one NoSQL store.

• Good debugging skills, automated testing, and CI/CD familiarity.

• Excellent communication and teamwork skills.