Senior Rust Quant Developer – OTC Derivatives

Flowdesk; Singapore; On-site; SGD 150,000 - 230,000; Full time

Benefits offered by this job

International environment (English is

Team events and offsites

Company Pension scheme

Learning and Development budget

Job summary

Flowdesk is hiring a hands-on Rust engineer for its OTC derivatives trading stack. You will work directly with traders and quants to build and maintain systems, implement pricing and risk logic, and own key libraries that are critical to fast, safe evolution. Some frontend work in TypeScript is expected.

The role emphasizes autonomous work in a high-stakes trading environment, with opportunities to contribute across engineering, trading, and product teams from our Singapore office.

Qualifications

• 5+ years of professional software engineering experience in a comparable role.
• Strong Rust proficiency.
• Hands-on experience with options or derivatives systems (pricing, risk, quoting, or trade booking).
• Quantitative grounding to read and implement pricing/risk models.
• Experience building production systems in high-stakes environments.

Responsibilities

• Build, maintain and extend OTC derivatives trading systems in Rust.
• Implement pricing, risk and quoting logic as designed by quant/research teams.
• Own quant-heavy libraries and make them safer to evolve.
• Collaborate with traders to translate requirements into shipped features.
• Own end-to-end features from pricing to trader-facing tools, including some TypeScript frontend work.

Skills

Rust

Options/Derivatives systems

Autonomous work

Quantitative pricing/risk knowledge

Production systems

Trader collaboration

Tools

C++

Typescript

Job description

Flowdesk is hiring a hands-on Rust engineer for its OTC derivatives trading stack. You will work directly with traders and quants to build and maintain systems, implement pricing and risk logic, and own key libraries that are critical to fast, safe evolution. Some frontend work in TypeScript is expected.

The role emphasizes autonomous work in a high-stakes trading environment, with opportunities to contribute across engineering, trading, and product teams from our Singapore office.