About the Job
Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. We work on real production systems and high-impact research workflows across data, tooling, and infrastructure.
Position
Senior Python Full-Stack Engineer — AI Data & Infrastructure
Type: Contract, Remote Commitment: 20–40 hours/week Compensation: Competitive, hourly (based on experience)
Role Responsibilities
- - Design, build, and optimize high-performance systems in Python 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 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 system behavior, and implement scalable fixes
- - Participate in synchronous reviews to iterate on system design and implementation decisions
Qualifications
Must-Have
- - Native or fluent English speaker
- - Full-stack developer experience with a strong systems programming background
- - 3-5+ years of professional experience writing production Python.
- - Experience building evaluation harnesses for ML models, integrating with inference frameworks.
- - Strong background in observability and metrics collection to monitor system reliability and model performance.
- - Clear written and verbal communication skills.
- - Ability to commit 20–40 hours per week.
Preferred
- - Prior experience with data annotation, data quality, or evaluation systems
- - Familiarity with AI/ML workflows, model training, or benchmarking pipelines
- - Experience with distributed systems or developer tooling
Application Process
- - Submit your resume
- - Complete a short technical screening
- - Project matching and onboarding