Software Engineer (C#) - Internal Tooling

Job Description

Design, build, and optimize production-grade C# systems, full-stack tools, and backend services for AI data pipelines, annotation, validation, and evaluation workflows. Improve system reliability, performance, and safety; resolve bottlenecks and edge cases; and collaborate with research, data, and engineering teams on scalable solutions and architecture decisions.

Requirements: Candidates should have 3–5+ years of professional experience developing production-grade C# software, full-stack development capability, and a strong systems programming background. They should be fluent in English, experienced with interoperability such as invoking Python ML models from .NET or wrapping native libraries, skilled in benchmarking and evaluation harnesses, and able to commit 20–40 hours per week.

Key Skills: C#, Full-Stack Development, Systems Programming, Backend Services, AI Data Pipelines, Data Annotation, Data Validation, Quality Control, Python/.NET Interoperability, Native Library Interoperability, Benchmarking, Evaluation Harnesses, Distributed Systems, Performance Optimization, Reliability Engineering, Technical Communication

Benefits: Fully Remote, Flexible Work, Freelance Autonomy, Potential Contract Extension