Staff Software Engineer - AI

Job Description Location: Minneapolis, New York, Dallas, or Toronto (hybrid, virtual interviews, relocation possible) Title: Staff Software Engineer, AI (.NET / C#) Sector : Enterprise software, audit and finance technology Package: Competitive base salary + annual bonus Role Overview: We're working on behalf of an established enterprise software company on a search for a Staff Software Engineer to join a product engineering team building production AI into a platform used by audit and finance professionals. The product has real customers and real scale, and the team is now adding agents, retrieval and document understanding on top of it. This is a hands-on role: C#/.NET for backend and distributed systems, and Python for LLM integration, agents, orchestration and retrieval. At the Staff level you'll set technical direction, influence engineering standards and mentor engineers while still designing and writing production code. This is for someone who has already shipped AI into production, not someone who has only experimented with it. What You'll Do: Design, build and own C#/.NET backend and distributed services on AWS and PostgreSQL Build production AI capabilities in Python: LLM integration, agents, orchestration and multi-step workflows Develop AI orchestration, MCP servers, tool calling, guardrails, evaluation and resilient handling of third-party LLMs Build retrieval and search capabilities (embeddings, vector stores, semantic search) over large document sets Set technical direction, mentor engineers and help define AI engineering patterns across the team What We're Looking For: 7+ years of software engineering, with strong, recent production C#/.NET and ASP.NET Core experience Hands-on Python for AI/ML work: model integration, orchestration, APIs or data pipelines AI features you've personally built and delivered into production (LLM apps, agents or RAG). Personal projects and proofs of concept alone don't meet this bar Distributed-systems experience: microservices, REST or GraphQL APIs, relational databases, observability and resilience Experience leading complex projects from architecture through rollout, and mentoring engineers Comfortable with a live technical interview in both Python and C#/.NET Core Nice to have: Orleans or Akka (actor-model frameworks), Angular/TypeScript, Docker/Kubernetes, and exposure to regulated domains such as audit, tax, fintech or legal tech. What's On Offer: Hands-on Staff-level ownership of production AI in an established product Real influence on how AI is engineered across the team Flexible hybrid working, strong benefits and the stability of an established company ADVERT DISCLAIMER Research indicates that men will apply to a role when they only meet 50-60% of the descriptions, however, when looking at women and other minority groups, they can look for up to a 99% match in order to apply to a role. If you feel you are a fit for our role, please still apply, don't worry if you don't tick every single box. We'd still love to hear from you. We encourage underrepresented talent to apply to all our roles & support accessibility needs.