Senior C# Developer - Investment Tech & Trading Systems

Dymon Asia Capital; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

Dymon Asia Capital, Singapore, is seeking a Senior C# Developer to design, build, test, and maintain high-performance investment technology used in day-to-day decision-making.

Ideal candidates have 10+ years of enterprise C#/.NET experience, strong SQL skills, and a track record in scalable systems. You will work in a core engineering team focused on modernizing and cloud-enabling critical applications.

Qualifications

• 10+ years of enterprise C#/.NET development experience.
• Experience with SQL and relational DB design.
• Strong design, concurrency, async programming skills.
• Familiarity with CI/CD, testing, and cloud deployments.
• Domain exposure to buy-side or hedge funds is a plus.

Responsibilities

• Design, develop, test, and maintain production-grade applications using C# and modern .NET.
• Build and enhance trading, risk, pricing, portfolio, market-data, and post-trade systems.
• Develop services and APIs for trade booking, P&L, exposure, valuation, and risk analytics.
• Improve system performance, scalability, reliability, observability, and operational supportability.
• Contribute to modernization of legacy apps and migration to cloud-based platforms.
• Write comprehensive units, integration, regression, and automated tests.
• Participate in technical design, code reviews, incident investigation, and continuous improvement of engineering practices.

Skills

C#

.NET

REST APIs

SQL

CI/CD

Distributed systems

Azure

Docker

Unit testing

Cloud platforms

Education

CS Degree

Tools

Redis

SQL Server

PostgreSQL

Docker

Git

Job description

Dymon Asia Capital, Singapore, is seeking a Senior C# Developer to design, build, test, and maintain high-performance investment technology used in day-to-day decision-making.

Ideal candidates have 10+ years of enterprise C#/.NET experience, strong SQL skills, and a track record in scalable systems. You will work in a core engineering team focused on modernizing and cloud-enabling critical applications.