Staff Software Engineer

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! ABOUT THE ROLE We are looking for a Staff Software Engineer to lead architecture and write production code for an AI-powered supply chain platform. The mandatory requirements are 6+ years in software engineering with architecture ownership, 5+ years with C# and ASP.NET Core, Angular, eligibility for US security clearance, ideally working in office in Austin, TX, and strong English communication skills. WHAT YOU WILL DO - Own the architecture of the ABP-based applications: module boundaries, shared libraries, and the conventions other teams build on. - Lead technical design for major features while writing production full-stack code, including the hardest and most ambiguous problems. - Set the team’s .NET standards and enforce them through code review, design review, CI and mentoring. - Build secure-by-design systems, including for AWS GovCloud and government customer environments. - Own reliability, performance and observability of what they ship, and fix root causes when things fail. - Plan and lead major .NET and ABP version upgrades while feature work continues. - Evaluate tools and frameworks and make the call. - Turn business needs into technical priorities with the Director of Engineering and Product, and document decisions so the team can work without them. MUST HAVES - You must be authorized to work for ANY employer in the US (e.g., Green card holders, TN visa holders, GC EAD, H4 EAD, U4U with EAD), as we are unable to sponsor or take over employment visa sponsorship at this time; - 6+ years in software engineering, including several years owning the architecture of production systems. - Has led technical delivery across a team without formal authority. - 5+ years of production C# and ASP.NET Core, with deep knowledge of the request pipeline, dependency injection lifetimes and async behavior. - Strong EF Core and PostgreSQL: migrations across environments, query plans, indexing, concurrency control. - Has fixed .NET performance problems in production using tools like dotnet-trace, dotnet-counters or Datadog APM. - Can ship features end to end in Angular and TypeScript. - Experience with distributed systems, AWS, containers and CI/CD. - Secure coding discipline and experience in regulated or high-assurance environments. - Clear communication with both engineers and executives. - Ability to obtain and maintain a US government security clearance. Certain programs may require US citizenship. - Upper-intermediate English level. NICE TO HAVES - Production experience with ABP Framework. The posting calls it “strongly preferred,” but deep experience with the same patterns in another .NET framework is accepted. - Early-stage startup or SaaS experience. - AWS GovCloud specifically. - Kafka (Amazon MSK), Kubernetes, Terraform, GitLab, Datadog. - Works in office in Austin, TX. PERKS AND BENEFITS - Professional growth: Mentorship, TechTalks, and personalized growth roadmaps. - Competitive compensation: USD-based pay with education, fitness, and team activity budgets. - Exciting projects: Modern solutions with Fortune 500 and top product companies. - Flextime: Flexible schedule with remote and office options.