Software Engineer (C#) - Internal Tooling

Alignerr
Seattle, WACONTRACTOR$50–$75/hrPosted Aug 6, 2026

Role responsibilities

Design and optimize high-performance C# systems and backend services to support AI data pipelines and evaluation workflows. Collaborate with cross-functional teams to improve system reliability and implement scalable fixes for data processing.

Requirements

Requires 3-5+ years of professional experience in production-grade C# development with a strong background in systems programming. Candidates must be fluent in English and possess experience with cross-language integrations and benchmarking system performance.

Key skills

C#, Full-stack development, Data pipelines, Backend services, Python, Machine learning, System architecture, Benchmarking, Distributed systems, Data annotation, Quality control, API integration, Performance optimization, Software engineering

Keywords

C#, AI Infrastructure, Full-stack, Data pipelines, Backend, Python, Machine learning, Data annotation, Quality control, Distributed systems, Benchmarking, Software engineering, Internal tooling, Performance optimization, System architecture, API, Cross-language integration, Research infrastructure, High-throughput data

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