Senior Software Engineer (.NET)

Topstep

Remote regions

US

Salary range

$175,000–$210,000/yr

Benefits

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Responsibilities:

  • Partner with the technical lead and architect to lead the implementation of Trading Platform projects.
  • Deliver backend features end‑to‑end in C#/.NET, from design through production, with accountability for performance and availability.
  • Contribute to shared patterns for .NET service design, API contracts, and performance practices.

Qualifications:

  • 5+ years building and operating production backend systems with user‑facing APIs; demonstrated impact on system scalability or reliability.
  • Strong .NET (ASP.NET, DI, async/await, performance basics) experience shipping production services.
  • Solid database fundamentals with PostgreSQL or SQL Server; schema design, migrations, and query optimization.

Nice to Have:

  • Kubernetes experience (EKS or equivalent), Helm, or GitOps (ArgoCD) tooling.
  • Distributed tracing and performance tuning in multi‑service systems.
  • Incident leadership (RCA, remediation follow-ups).

Topstep

Topstep is an engaging working environment which ranges from fully remote to hybrid. They foster a culture of collaboration with cameras on during meetings and a robust Slack environment for communication.

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