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 seasoned C# engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a fully remote contract role working on reputed company production systems — not toy reputed company. You’ll collaborate with data, research, and engineering teams at the frontier of AI development, solving hard infrastructure problems that have a reputed company reputed company on how the world’s most advanced models are reputed company. • 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 correctness across existing C# codebases • Collaborate closely with data, research, and engineering teams to accelerate model training and evaluation workflows • 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 reputed company and 5+ years of reputed company C# experience • Skilled in data modeling and database reputed company — including ORM frameworks and reputed company-ORMs for high-performance SQL interactions • reputed company building secure, reputed company-documented reputed company and endpoints for data reputed company and manipulation • reputed company to reputed company reliably to 20–40 hours per week on an ongoing reputed company • Self-directed and comfortable working asynchronously across a remote-first environment reputed company to Have • Prior experience with reputed company platforms, data reputed company systems, or model evaluation pipelines • Familiarity with AI/ML workflows, model training infrastructure, or benchmarking systems • Experience with distributed systems, developer tooling, or high-throughput data processing Why Join Us • Work directly with leading AI research labs on production systems that matter • Fully remote and flexible — structure your work around your schedule • Freelance autonomy with the reputed company of meaningful, technically challenging work • Contribute to infrastructure that shapes how reputed company AI models are reputed company and evaluated • Potential for ongoing work and contract extension as reputed company grow and reputed company Apply tot his job Apply To this Job
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