Front Office Quantitative Developer (C#)

Randstad Hong Kong Limited; Hong Kong; On-site; HKD 900,000 - 1,300,000; Full time

Job summary

Randstad Hong Kong Limited is recruiting a Senior Full‑Stack Engineer to design and optimise front‑office trading systems. You will work directly with the trading desk to translate complex regulatory requirements into high‑performance, low‑latency pricing and risk reporting tools.

You will design, implement, and continuously improve pricing, valuation, and risk management components across the stack, collaborating with traders in a fast‑paced environment and leveraging modern development

Qualifications

• Bachelor’s degree in Computer Science, Financial Engineering, or a related quantitative discipline.
• 4+ years of full‑stack development experience in financial services, investment banking, or prop trading.
• Solid understanding of Equity Derivatives pricing models and market mechanics.
• Proficient in modern full‑stack languages (Java/C#, and modern frontend frameworks).
• Strong analytical and problem‑solving skills with focus on high-quality code.

Responsibilities

• Design, architect, and deliver pricing, valuation, and risk systems for derivatives, fixed income, and equities.
• Collaborate with traders to capture requirements and deploy software quickly.
• Continuously optimise architecture for performance and scalability.
• Build clean, efficient code across the stack for complex financial transactions.
• Leverage AI techniques to accelerate software delivery and operations.

Skills

Java

C#

Frontend frameworks

Education

Bachelor’s degree in Computer Science or related quantitative discipline

Job description

Join a premier financial institution in Hong Kong as a Senior Full‑Stack Engineer, driving the design and optimisation of next‑generation front‑office trading systems. Working directly alongside the trading desk, you will play a pivotal role in translating complex SFC and HKMA‑regulated financial strategies into high‑performance, low‑latency pricing and risk‑reporting tools.

Responsibilities

• Design, architect, and deliver robust pricing, valuation, and risk management systems for Exchange‑Traded Derivatives, Fixed Income, and Equity Structured Products.
• Collaborate side‑by‑side with traders in a high‑energy environment to capture immediate business requirements and rapidly deploy agile software solutions.
• Continuously enhance and optimise system architecture to ensure maximum performance, ultra‑low latency, and seamless scalability.
• Build clean, elegant, and highly efficient code across the entire stack to support complex financial transactions.
• Leverage modern development workflows, including advanced AI‑prompting techniques, to accelerate software delivery and operational efficiency.

Qualifications

• Hold a Bachelor’s degree in Computer Science, Financial Engineering, or a related quantitative discipline.
• Possess a minimum of 4 years of full‑stack development experience specifically within the financial services, investment banking, or proprietary trading sector.
• Demonstrate a solid grasp of Equity Derivatives pricing models, market mechanics, and diverse trading strategies.
• Strong technical proficiency in modern full‑stack development languages (such as Java, C# on the backend, alongside modern frontend frameworks).
• Exceptional analytical and problem‑solving abilities with a passion for high‑quality code craftsmanship.
• Excellent communication skills in fluent English to collaborate effectively with a diverse, international trading desk.
• A collaborative, team‑first mindset that prioritises collective success.