Senior/Staff Software Engineer

OKBL PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

A financial technology firm in Singapore is seeking a seasoned Technical Architect with over 10 years of experience in designing high-performance systems. The ideal candidate will have expert-level proficiency in Java and a track record of leading technical projects in a highly dynamic environment. Responsibilities include defining technical architecture, collaborating on scalable solutions, and mentoring engineers. Excellent communication skills in English and Mandarin are required.

Qualifications

• 10+ years of experience in high-performance systems.
• Expert-level proficiency in Java, including knowledge of JVM internals.
• Experience as a technical leader or architect.

Responsibilities

• Define long-term technical architecture aligned with business goals.
• Lead technical projects across multiple engineering teams.
• Identify performance bottlenecks and implement solutions.

Skills

Java performance optimization

Distributed systems design

Technical leadership

Networking protocols

DevOps practices

Education

Bachelor's or Master's degree in Computer Science or related field

PhD in relevant discipline (preferred)

Job description

Responsibilities

• Define and own the long-term technical architecture and strategy, ensuring alignment with business goals and operational excellence
• Spearhead the design and implementation of highly challenging, ambiguous, and cross-cutting technical projects that span multiple engineering teams
• Identify and eliminate critical performance bottlenecks across the entire product architecture, implementing advanced low-latency and high-throughput solutions in Java
• Serve as a definitive technical authority and subject matter expert in core systems and Java performance; provide technical guidance, code reviews, and mentorship to senior and mid-level engineers
• Stay abreast of industry trends, research emerging technologies (e.g., new concurrency models, hardware acceleration), and propose innovative solutions to enhance the platform's competitive edge
• Design highly resilient, fault-tolerant systems and drive best practices in monitoring, alerting, incident response, and post-mortem analysis for mission-critical trading infrastructure
• Collaborate extensively with Stakeholders to translate strategic business needs into highly efficient and scalable technical solutions; influence product roadmaps from a technical feasibility and architectural sustainability perspective
• Evangelize and enforce high standards in software engineering design, coding, testing, and deployment practices across multiple teams

Minimum Requirements

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field (or a strong STEM education background)
• 10+ years of extensive professional experience designing, building, and operating high-performance, ultra-low latency distributed systems in Java
• Expert-level proficiency in Java for performance-critical applications, including profound knowledge of JVM internals, garbage collection tuning, and advanced concurrency patterns
• Proven experience as a technical leader or architect for major system components, demonstrating the ability to drive technical direction, with exceptional expertise in message-oriented middleware
• Deep understanding of network protocols, OS-level optimizations (Linux), hardware considerations, database technologies (SQL and NoSQL), and strong track record of driving DevOps practices, CI/CD, and monitoring

Preferred Requirements

• PhD in Computer Science, Electrical Engineering, Physics, Mathematics, or a related quantitative discipline
• Direct experience leading the architecture or core development of matching engines, market data processing systems, or complex algorithmic trading strategies in an HFT environment
• In-depth knowledge of FIX Protocol and other relevant financial industry messaging standards
• Experience with hardware-level optimizations, FPGA/ASIC acceleration, or specialized networking components
• Active contributions to significant open-source projects, academic publications, or industry conferences in low-latency computing or FinTech
• Proficiency in speaking, reading and writing in both English and Mandarin to collaborate effectively with global and cross-functional team members.