Senior Software Engineer (C#)

FIRST DERIVATIVES PTE. LIMITED; Singapore; On-site; SGD 85,000 - 120,000; Full time

Job summary

A financial technology firm is seeking a seasoned software developer in Singapore. The role involves designing and developing cloud-based microservices in C#, ensuring code quality through testing. Ideal candidates have over 8 years of experience in C#, .NET, and familiarity with cloud architectures, particularly within the Financial Services Industry.

Qualifications

• 8+ years of development experience.
• Strong understanding of object-oriented programming and design principles.
• Experience in the Financial Services Industry preferred.

Responsibilities

• Collaborate with analysts and users to design solutions.
• Develop cloud-based microservices in C#.
• Ensure code quality through testing.

Skills

C#

.NET Framework

React.js

SQL scripting

Cloud-based architectures

Unit testing

Integration testing

TDD practices

Git

Education

Bachelor’s degree in Computer Science or related field

Tools

SQL Server

Entity Framework

PostgreSQL

Job description

What You’ll Do

• Collaborate with business analysts, users, and teams to understand requirements and design solutions.
• Design and develop cloud-based microservices in C# to replace legacy applications.
• Build and maintain unit and integration tests to ensure code quality.
• Perform database modeling, solution design, and performance tuning where required.
• Write clean, maintainable code and documentation throughout the SDLC.
• Deploy, test, and support applications while ensuring CI/CD best practices.
• Serve as a technical expert, providing support and knowledge sharing across teams.

What Will Make You Shine

• Bachelor’s degree in Computer Science or related field.
• 8+ years of development experience with C#, .NET Framework, React.js, and SQL scripting.
• Strong understanding of object-oriented programming, design patterns, and SOLID principles.
• Proven experience developing cloud-based architectures and microservices (AWS/Azure).
• Hands‑on experience with unit testing, integration testing, and TDD practices.
• Proficiency in SQL Server, Entity Framework, and relational databases (SQL Server, PostgreSQL).
• Skilled in using Git and version control workflows.
• Experience in the Financial Services Industry (FSI), with knowledge of domain workflows.