Source description
About the role
Client: PennyMac Financial Services someone with a banking / insurance background may be the best fit
Role: Sr .Net Developer
Location: Carrollton, TX (North Dallas)
6 month Contract to Hire sometimes this happens later than the 6 months mark
Visa: GC or USC
Interview Process:
NET Codility / CoderPad Coding Challenge
Onsite Panel Interview – either at a TEKsystems office or at a PennyMac Location
What the Client Is Doing & Why This Role Is Needed
• Modernizing legacy servicing platforms to .NET Core and AWS to improve scalability, performance, and reliability.
• A lot of internal applications.
• Super heavy backend - head down
• Needs hands-on senior engineers who can ship production-grade code end-to-end, handle user-reported issues, and own smaller projects independently to keep modernization timelines moving.
What They're Truly Looking For (Beyond Listed Skills)
• Ownership + Delivery: Someone who can take a problem from definition to production and support with minimal oversight.
• Practical cloud fluency: Not just AWS buzzwords—real experience deploying, integrating, and troubleshooting in AWS.
• Full-stack pragmatism: Comfortable jumping between API/backend work, SQL tuning/SSIS, and front-end fixes when needed.
• Production support mindset: Calm under pressure with a bias for quick, reliable fixes and iterative hardening.
• Quality engineering habits: Unit testing, refactoring, design patterns, and readiness for code reviews.
• AI-accelerated development: Comfortable and effective using AI coding tools (e.g., GitHub Copilot) to increase velocity while maintaining quality.
• Communication & stakeholder handling: Can interact with users and teams to clarify issues, manage expectations, and document clearly.
Key Responsibilities
• Build and maintain .NET Core/C# services and Web APIs; contribute to front-end (JS/HTML/CSS) as needed.
• Design, write, and optimize SQL (SQL Server primarily; SSIS packages where applicable).
• Prepare and deploy software to production; support CI/CD and containerized workloads in AWS.
• Respond to user tickets for a live system; debug, resolve, and prevent regressions.
• Manage small projects independently; collaborate on larger initiatives using
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