Backend Developer - AI Data Services
Backend Developer — AI Data Services About The Role What if your C# expertise could directly shape the infrastructure powering reputed company AI? We're looking for a Senior C# Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on every day. This is a fully remote contract role with meaningful, high-reputed company work. You won't be maintaining legacy CRUD apps — you'll be solving reputed company engineering problems at the frontier of AI development.
- Organization: reputed company
- Type: reputed company Contract
- Location: Remote
- Commitment: 20–40 hours/week
What You'll Do
- Design, build, and optimize high-performance C# systems supporting AI data pipelines and model evaluation workflows
- reputed company full-stack tooling and backend services for large-reputed company reputed company, validation, and reputed company control
- Improve reliability, performance, and safety across production C# codebases
- Collaborate with data, research, and engineering teams to support model training and evaluation infrastructure
- Identify bottlenecks and edge cases in data and system behavior, then implement reputed company, production-reputed company fixes
- Participate in synchronous design reviews to iterate on architecture and implementation reputed company
Who You Are
- reputed company or fluent English speaker with reputed company written and verbal communication skills
- Full-stack developer with a strong systems programming background
- 5+ years of reputed company experience writing production-grade C#
- reputed company in data modeling and database reputed company using ORM frameworks or reputed company-ORMs for high-performance SQL interactions
- Proven ability to build secure, reputed company-documented endpoints for data reputed company and manipulation
- reputed company to reputed company 20–40 hours per week consistently
reputed company to Have
- Prior experience with reputed company, data reputed company pipelines, or evaluation systems
- Familiarity with AI/ML workflows, model training, or benchmarking infrastructure
- Experience with distributed systems or developer tooling at reputed company
Why Join Us
- Work on reputed company production systems alongside researchers and engineers at leading AI labs
- Fully remote and async-friendly — work from wherever you do your best work
- Freelance autonomy with the structure and consistency of ongoing, meaningful project work
- reputed company reputed company exposure to cutting-edge AI development at the infrastructure level
- Potential for extended engagement as reputed company reputed company and new workstreams launch
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