Low-Latency Java Engineer for Equity Derivatives Platform

Gravitas Recruitment Group (Global) Ltd; Hong Kong; On-site; HKD 700,000 - 900,000; Full time

Job summary

Gravitas Recruitment Group (Global) Ltd in Hong Kong seeks a senior Java/Distributed Systems Engineer to build low-latency services for Equity Derivatives inventory management. You will develop Java-based APIs, event-driven pipelines, and optimized solutions in a regulated environment.

You will collaborate with front office, operations, and risk stakeholders, implement robust testing, and drive CI/CD automation while leveraging Kafka/JMS and SQL databases.

Qualifications

• Strong Java with concurrency, collections, and performance tuning.
• Experience building distributed systems using REST/gRPC and messaging (Kafka, JMS, or similar).
• Solid SQL skills and experience with relational databases (Oracle, PostgreSQL) and schema design.
• Proficient with testing frameworks (JUnit, Mockito) and build tools (Maven/Gradle).
• Experience with CI/CD and version control (Git); containerization knowledge is a plus.
• Knowledge of investment banking workflows; exposure to prime services, stock borrow/loan, equity derivatives, or inventory/locates is desirable.

Responsibilities

• Design, develop, and maintain Java-based services and APIs for inventory capture, allocation, optimization, and reconciliation.
• Deliver event-driven and batch processing pipelines for market and reference data, positions, and trades.
• Optimize performance and latency; profile JVM behaviour, GC, and threading to meet throughput SLAs.
• Implement robust testing (unit, integration, contract) and automate deployments via CI/CD.
• Collaborate with quant, traders, and business analysts to translate requirements into technical deliverables.

Skills

Java concurrency

REST/gRPC

SQL

JUnit/Mockito

CI/CD

Git

Containerization

Investment banking workflows

communication

Education

Bachelor's degree in CS/Engineering

Tools

Maven/Gradle

Kafka/JMS

Docker

Oracle/PostgreSQL

Job description

Gravitas Recruitment Group (Global) Ltd in Hong Kong seeks a senior Java/Distributed Systems Engineer to build low-latency services for Equity Derivatives inventory management. You will develop Java-based APIs, event-driven pipelines, and optimized solutions in a regulated environment.

You will collaborate with front office, operations, and risk stakeholders, implement robust testing, and drive CI/CD automation while leveraging Kafka/JMS and SQL databases.