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Senior .NET / SQL Developer (Backend-Focused)

Job Type: Full Time
Job Location: New York

About the Opportunity

I’m currently partnering with a high-growth workforce technology platform that’s transforming how organizations manage contingent labor and staffing operations.

Following recent expansion and integration into a broader ecosystem, they’re continuing to scale their engineering team and are now looking for a Senior .NET / SQL Developer to take ownership of core backend systems.

This platform is used by hundreds of organizations, with a strong focus on performance, scalability, and real-time data processing.

The Role

This is a backend-heavy full stack role with a strong emphasis on C#, .NET, and SQL Server performance optimization.

You’ll play a key role in designing, building, and optimizing high-performance applications—particularly focused on stored procedures and database efficiency, which sit at the core of the platform.

You’ll be working within a collaborative team environment but with a high level of autonomy and ownership over your work.

What You’ll Be Doing

  • Designing, developing, and maintaining .NET applications backed by SQL Server
  • Writing, optimizing, and troubleshooting high-performance stored procedures
  • Diagnosing and resolving complex database issues (e.g., locking, blocking, deadlocks, concurrency)
  • Building new features, workflows, and client-specific customizations
  • Ensuring clean, maintainable, and scalable code following modern .NET best practices
  • Participating in code reviews and team collaboration
  • (Optional) Supporting reporting tools such as SSRS

What They’re Looking For

  • 6+ years of experience with C# and .NET development (or 4+ years with a relevant degree)
  • Strong expertise in building web applications and APIs
  • 2+ years of hands-on experience with SQL Server stored procedures (performance tuning is essential)
  • Proven experience troubleshooting database performance issues (locking, blocking, deadlocking)
  • Strong analytical and problem-solving skills with high attention to detail
  • Ability to work independently in a high-autonomy, low-micromanagement environment
  • Strong communication skills (written and verbal English)

Nice to Have

  • Experience with reporting tools (SSRS, Power BI, Crystal Reports, DevExpress)
  • Exposure to mobile development (.NET MAUI / Xamarin)
  • Experience within staffing, workforce management, or VMS platforms

What’s on Offer

  • Competitive salary + benefits package
  • Fully remote working (U.S.)
  • Core collaboration hours: 11 AM – 4 PM EST
  • Opportunity to work with modern .NET (latest LTS versions)
  • High-impact role within a scaling, mission-critical platform
  • Strong autonomy and ownership over your work

Why This Role?

This is a great opportunity for a developer who enjoys deep technical challenges—especially around performance and data.

You’ll be working on a platform where SQL optimization and backend efficiency are critical to success, giving you the chance to make a tangible impact on system performance at scale.

Next Steps

If this sounds like a fit, feel free to apply or reach out directly for a confidential conversation. I’m happy to share more insight into the team, platform, and roadmap.

Apply for this position

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