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Senior C# .NET Developer

TEKsystems

RemoteFull timeMid levelPosted today
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About the role

  • Develop and enhance applications using C# and .NET Core
  • Build and support cloud-native, containerised applications
  • Work with cloud platforms, preferably AWS (EKS), but Azure or GCP experience is also valued

Overview We are seeking a Senior C# / .NET Engineer to join a high performing enterprise technology team supporting applications across various financial operations and products. The team is undergoing a capability uplift and is looking for highly capable senior engineers who can operate independently and deliver cloud-native solutions with minimal supervision.

About The Role This is a backend-focused engineering role responsible for developing and supporting business-critical trade operations platforms. You will work on both project delivery and BAU support, partnering with business stakeholders to deliver scalable and reliable solutions.

What You'll Do

  • Develop and enhance applications using C# and .NET Core
  • Build and support cloud-native, containerised applications
  • Work with cloud platforms, preferably AWS (EKS), but Azure or GCP experience is also valued
  • Deliver new features and enhancements for trade operations systems
  • Support and maintain existing production applications
  • Partner with business stakeholders to understand requirements and deliver solutions
  • Troubleshoot issues and drive improvements across the platform
  • Participate in code reviews and engineering best practices
  • Utilise modern development tooling, including AI-assisted development where appropriate

Must-Have Experience

  • 8+ years of software development experience
  • Strong hands-on experience with C# and .NET Core
  • Experience building backend enterprise applications
  • Cloud experience (AWS, Azure, or GCP)
  • Experience with containerised environments and modern deployment practices
  • Strong problem-solving and troubleshooting skills
  • Ability to work independently and take ownership of delivery
  • Experience engaging with business stakeholders

Nice-to-Have Experience

  • AWS EKS or Kubernetes
  • UI / Frontend development experience
  • Test Driven Development (TDD)
  • Messaging technologies
  • AI-assisted development tools
  • Financial services, trading, or investment management experience

Why Join

  • Work on business-critical trade operations platforms
  • Exposure to equities, fixed income, corporate actions, and swaps domains
  • Join a team investing in long-term engineering capability
  • Opportunity to work with cloud and container technologies
  • High-autonomy environment with strong ownership and impact

What Success Looks Like Successful candidates will:

  • Quickly understand systems and business processes
  • Demonstrate strong ownership and initiative
  • Operate with minimal supervision
  • Build effective relationships with business and technology stakeholders
  • Deliver high-quality solutions while balancing project and support responsibilities

We regret to inform that only shortlisted candidates will be notified

EA registration number : WONG LIN, RACHEL, R25158204

Allegis Group Singapore Pte Ltd, Company Reg No. 200909448N, EA Licence No. 10C4544

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