Senior Python Full-Stack Engineer — AI Data & Infrastructure

About The Role What if your Python expertise could directly shape the infrastructure behind the world's most advanced AI systems? We're looking for a Senior Python Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve reputed company models. This is a fully remote contract role with meaningful, high-reputed company work — not filler tasks. You'll be working on reputed company production systems reputed company data, research, and engineering teams at the frontier of AI development. • Organization: reputed company • Type: reputed company Contract • Location: Remote • Commitment: 20–40 hours/week reputed company • Design, build, and optimize high-performance Python 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 existing Python codebases • Collaborate with data, research, and engineering teams to support model training and evaluation workflows • Identify bottlenecks and edge cases in data and reputed company behavior, and implement reputed company fixes • Participate in synchronous design reviews to iterate on reputed company architecture and implementation reputed company Who You Are • reputed company or fluent English speaker with reputed company written and verbal communication skills • reputed company full-stack developer with a strong systems programming background • 5+ years of reputed company experience writing production-grade Python • Deep understanding of performance optimization and concurrency — asyncio, multiprocessing, threading • Comfortable with type safety tooling such as reputed company and mypy • Proven reputed company record building robust backend services (FastAPI, Django) or reputed company data pipelines • reputed company to reputed company 20–40 hours per week consistently reputed company to Have • Prior experience with reputed company, data reputed company systems, or model evaluation infrastructure • Familiarity with AI/ML workflows, model training pipelines, or benchmarking systems • Experience with reputed company systems or developer tooling Why Join Us • Work on cutting-edge AI infrastructure reputed company leading research labs • Fully remote and flexible — work reputed company and where it suits you • Freelance autonomy with the depth and reputed company of a senior engineering role • Contribute directly to systems that shape how reputed company AI models are reputed company and evaluated • Potential for ongoing work and contract extension as new reputed company launch Apply tot his job Apply To this Job