Junior Quantitative Developer

HASHKEY CAPITAL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading fintech company in Singapore is seeking a Software Developer to design and optimize low-latency trading systems. The ideal candidate will have a Bachelor's or Master's degree in Computer Science or related fields and 1–3 years of software development experience. Proficiency in Java and Rust is required, while exposure to financial markets and trading systems is a plus. This role offers opportunities for collaborative work with senior developers and traders in a fast-paced environment.

Qualifications

• 1–3 years of software development experience (internships or full-time).
• Solid understanding of computer science fundamentals including data structures, algorithms, and concurrency.
• Familiarity with networking, distributed systems, or performance optimization.

Responsibilities

• Contribute to the design and optimization of low-latency trading systems.
• Work closely with senior developers and traders to implement trading strategies.
• Assist in maintaining and improving system performance and reliability.

Skills

Java

Rust

C++

Problem-solving

Performance optimization

Education

Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics

Tools

Python

Job description

Key Responsibilities

• Contribute to the design, development, and optimization of low-latency trading systems, including order execution, risk controls, and connectivity to global exchanges.
• Work closely with senior developers and traders to implement, test, and deploy trading strategies into production.
• Assist in maintaining and improving system performance, scalability, and reliability.
• Participate in code reviews and follow best practices for coding standards and performance tuning.
• Collaborate with infrastructure and DevOps teams to ensure smooth integration and deployment of trading systems.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or related field.
• 1–3 years of software development experience (internships or full-time).
• Proficiency in Java and Rust is required; experience with C++ is a strong plus.
• Solid understanding of computer science fundamentals, including data structures, algorithms, and concurrency.
• Familiarity with networking, distributed systems, or performance optimization is advantageous.
• Interest in financial markets or trading systems; prior exposure to crypto or fintech is a plus.
• Strong problem-solving skills, eagerness to learn, and ability to work in a fast-paced environment.

Nice-to-Have

• Experience with Python for prototyping and data analysis.
• Knowledge of exchange APIs, market data protocols, or digital asset trading infrastructure.
• Exposure to low-latency/high-performance systems (academic projects, internships, or professional work).