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.

* Strong ability to write clean, maintainable code utilizing linters, formatters, and comprehensive testing frameworks.

* Experience gluing together various AI services and APIs, handling edge cases, and ensuring robust error reporting.

* 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

Python Software Engineer - AI Workflows