Senior C# Developer

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

About Us

Dymon Asia Capital (“Dymon Asia”), founded in 2008, is a leading alternative investment firm with assets across public and private markets. The firm’s flagship hedge fund product is the Multi-Strategy Investment Fund (MSIF), an Asia-focused multi-manager multi-strategy fund that seeks to generate absolute consistent uncorrelated returns from emerging and developed markets.

Job Description: Senior C# Developer

Location: Singapore

Dymon Asia Capital (“Dymon Asia”), founded in 2008, is a leading alternative investment firm with assets across public and private markets. The firm’s flagship hedge fund product is the Multi-Strategy Investment Fund (MSIF), an Asia-focused multi-manager multi-strategy fund that seeks to generate absolute consistent uncorrelated returns from emerging and developed markets.

Headquartered in Singapore, Dymon Asia operates from nine offices across the Middle East and Asia, including Hong Kong, Tokyo, Dubai, Shanghai, Mumbai, and Kuala Lumpur. Our platform is built on our people. We bring together diverse perspectives, expertise, and experience across our multi-strategy and private markets businesses. Maintaining a collaborative culture where our people are set up to do their best work is central to how we operate.

Core Engineering team is looking for a C# Developer to help build and modernize reliable, high-performance investment technology. This role is suited to be an engineer who enjoys solving complex problems in financial markets and wants meaningful ownership of systems used in day-to-day investment decision-making.

Key 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 supporting trade booking, positions, P&L, exposure, valuation, and risk analytics.
• Improve system performance, scalability, reliability, observability, and operational supportability.
• Contribute to the modernization of legacy applications and migration towards cloud-based, service-oriented platforms.
• Work with Redis, relational databases, messaging systems, and distributed-computing components where appropriate.
• Write comprehensive units, integration, regression, and automated tests.
• Participate in technical design, code reviews, incident investigation, and continuous improvement of engineering practices.

Job Requirements

• Degree in Computer Science, Engineering, Mathematics, or a related discipline preferred.
• 10+ years of experience developing enterprise applications, APIs, services, or distributed systems in C# and .NET.
• Solid understanding of object-oriented design, concurrency, asynchronous programming, and software architecture.
• Experience with SQL and relational database design.
• Familiarity with automated testing, CI/CD, source control, and modern software-development practices.
• Strong analytical skills with the ability to communicate effectively with both technical and non-technical stakeholders.
• Disciplined approach to software quality, documentation, operational readiness, and production support.
• Domain exposure highly desirable: buy-side investment management, hedge funds, investment banking, or capital markets technology.
• Exposure to trading, order management, execution, portfolio management, post-trade processing, market data, pricing, valuation, P&L, positions, exposure, or risk systems.
• Modern .NET, ASP.NET Core, REST APIs, gRPC, event-driven architecture, Redis, SQL Server/PostgreSQL, Azure or other cloud platforms, and Docker/infrastructure-as-code.