Senior Java Engineer: Real-Time, Low-Latency Data Platform

Btse; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

BTSE Group is seeking a Senior Java Engineer to join the team building our real-time data platform in Singapore. You will develop, optimize, and maintain a high-performance, low-latency system that ingests, normalises, and computes reference values from multiple external data sources.

You will implement composite reference-value algorithms, build aggregation methods, and deliver accurate data feeds while collaborating with DevOps to deploy production-ready Java code on trading systems.

Qualifications

• 5+ years of hands-on experience with Java development.
• Experience with real-time or high-throughput data systems.
• Strong understanding of multi-threading, concurrency, and low-latency system design.
• Solid data structures, algorithms, and design patterns.
• Strong analytical and problem-solving skills; clear communication.

Responsibilities

• Implement composite reference-value algorithms stable under volatile input conditions.
• Build and maintain aggregation methodologies used in downstream calculations and reporting.
• Deliver accurate data feeds and calibration inputs to internal monitoring systems; integrate new data sources.
• Conduct statistical and time-series analysis on high-frequency data to detect anomalies.
• Design low-latency capture, normalisation, and cross-source synchronisation of external real-time feeds.
• Collaborate with devops to deploy production-ready Java code on trading systems.
• Backtest and monitor model outputs; propose data-driven improvements.
• Document methodologies and contribute to internal pricing standards.
• Support business operations, including on-call troubleshooting and onboarding new instrument listings.

Skills

Java development

Real-time data systems

Low-latency design

Multithreading

Data structures & algorithms

Python for backtesting

REST/WebSocket APIs

AWS

SQL

NoSQL

Problem-solving

Tools

Spring Boot

REST/WebSocket

Job description

BTSE Group is seeking a Senior Java Engineer to join the team building our real-time data platform in Singapore. You will develop, optimize, and maintain a high-performance, low-latency system that ingests, normalises, and computes reference values from multiple external data sources.

You will implement composite reference-value algorithms, build aggregation methods, and deliver accurate data feeds while collaborating with DevOps to deploy production-ready Java code on trading systems.