Senior Python Engineer - AI Pipelines & Workflows (Remote)

Alignerr Corp.; Seattle (WA); Remote; USD 83,000 - 165,000; Full time

Job summary

Alignerr is seeking a Senior Python Full-Stack Engineer to design and build data pipelines, annotation tooling, and evaluation systems powering AI models. This is an hourly contract, fully remote, 20–40 hours per week.

You will work with research and engineering teams to identify bottlenecks, improve performance, and deliver production-grade Python solutions for data annotation and model evaluation. Strong Python skills, systems programming background, and experience with distributed data

Qualifications

• 3–5+ years of professional Python experience.
• Full-stack developer with systems programming background.
• Experience integrating AI services and APIs with robust error handling.

Responsibilities

• Design, build, and optimize Python systems for data pipelines and evaluation workflows.
• Develop tooling and backend services for large-scale data annotation and quality control.
• Improve reliability and performance across Python codebases.
• Collaborate with data, research, and engineering teams to support model training.
• Identify bottlenecks and implement scalable fixes.
• Participate in design reviews and guide architecture decisions.

Skills

Python

Full-stack development

Systems programming

Testing/CI

Communication

Tools

CI/CD

APIs

Logging/Monitoring

Job description

Alignerr is seeking a Senior Python Full-Stack Engineer to design and build data pipelines, annotation tooling, and evaluation systems powering AI models. This is an hourly contract, fully remote, 20–40 hours per week.

You will work with research and engineering teams to identify bottlenecks, improve performance, and deliver production-grade Python solutions for data annotation and model evaluation. Strong Python skills, systems programming background, and experience with distributed data