Python Software Engineer - AI Workflows
About this role
About the Role What if your Python expertise could directly shape the infrastructure powering next-generation AI models? We're looking for a Senior Python Full-Stack Engineer to design and build 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, flexible contract role for an experienced engineer who wants to work on real production systems at the frontier of AI development — not toy projects, but high-impact infrastructure that matters. - Organization: Alignerr - Type: Hourly Contract - Location: Remote - Commitment: 20–40 hours/week What You'll Do - Design, build, and optimize high-performance Python systems supporting AI data pipelines and evaluation workflows - Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control - Improve reliability, performance, and robustness across existing Python codebases - Collaborate with data, research, and engineering teams to support model training and evaluation - Identify bottlenecks and edge cases in data and system behavior, and implement scalable, production-grade fixes - Participate in synchronous design reviews and iterate on system architecture decisions Who You Are - 3–5+ years of professional experience writing production-grade Python - Full-stack developer with a strong systems programming background - Writes clean, maintainable code with proper use of linters, formatters, and testing frameworks - Experienced integrating AI services and APIs, handling edge cases, and ensuring robust error reporting - Clear and effective written and verbal communicator - Native or fluent English speaker - Able to commit 20–40 hours per week consistently Nice to Have - Prior experience with data annotation, data quality pipelines, or evaluation systems - Familiarity with AI/ML workflows, model training, or benchmarking infrastructure - Experience with distributed systems or developer tooling at scale Why Join Us - Work directly with leading AI research labs on production systems that matter - Fully remote and flexible — work from wherever you do your best thinking - Freelance autonomy with the structure and purpose of high-impact, technically challenging work - Get hands-on experience at the cutting edge of AI infrastructure before it becomes mainstream - Potential for ongoing work and contract extension as projects evolve and new ones launch
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