Staff Software Engineer: Modernize a Legacy Platform

pointofrental; Fort Worth (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

Point of Rental is seeking a senior software engineer to lead the WinForms-to-web modernization. You will work hands-on across Angular front ends, C#/.NET services, and SQL Server, shaping architecture while improving legacy code.

You will regularly use AI coding tools to accelerate delivery and set guardrails for their use. The role emphasizes autonomous problem solving, mentorship, and close collaboration with Product to translate business challenges into robust technical plans.

Qualifications

• 8+ years as a professional software engineer with end-to-end ownership of systems.
• 5+ years with C# and .NET, building production applications.
• 5+ years building production apps in a component-based SPA framework; Angular preferred.
• 5+ years with SQL Server (or similar) and writing complex SQL by hand.
• A track record of setting technical direction that others follow.
• Comfort with reading/modifying large legacy codebases.
• Fluent use of AI coding assistants in daily workflow.
• Sound judgment on where AI helps and where it doesn't.
• Depth in algorithms, data structures and design patterns.
• Preferred: RESTful API development, microservices, Azure DevOps, and automated testing (Jest, NUnit).

Responsibilities

• Own the technical direction of the WinForms-to-web modernization: decide what gets rewritten, what gets wrapped, what gets left alone, and in what order, then make those calls stick
• Build and ship full stack, from Angular front ends through C#/.NET services to SQL Server. Hands-on role.
• Work confidently in large, long-lived legacy code, and improve it safely over time.
• Use AI coding tools daily to accelerate modernization and onboarding to unfamiliar code.
• Set standards for AI tooling usage with context and guardrails.
• Design and hand-write complex SQL needed for enterprise-scale features.
• Mentor teammates through design reviews, pairing, and guidance.
• Operate autonomously on ambiguous problems with a clear written approach.
• Partner with Product to translate business problems into durable technical plans.

Skills

End-to-end ownership

C# / .NET

Angular SPA development

SQL Server

Architectural leadership

AI tooling awareness

Algorithms & DS

Technical mentorship

Tools

Angular 19 with Nx

SQL

Azure DevOps

Jest

NUnit

GitHub Copilot

Cursor

Claude Code

Job description

Point of Rental is seeking a senior software engineer to lead the WinForms-to-web modernization. You will work hands-on across Angular front ends, C#/.NET services, and SQL Server, shaping architecture while improving legacy code.

You will regularly use AI coding tools to accelerate delivery and set guardrails for their use. The role emphasizes autonomous problem solving, mentorship, and close collaboration with Product to translate business challenges into robust technical plans.