Remote Senior Python Full-Stack Engineer for AI Data & Infra

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 data pipelines, annotation tooling, and evaluation systems powering leading AI labs. This is a fully remote, hourly contract role with 20–40 hours per week and real production impact.

You will build high-performance Python services (FastAPI, Django) and scalable data tooling, collaborating with data, research, and engineering teams to support model training and evaluation.

Qualifications

• 5+ years of professional experience writing production-grade Python.
• Strong full-stack development background with backend and frontend capabilities.
• Experience with high-performance data pipelines and service-oriented architectures.
• Proficiency with asynchronous programming and concurrency patterns.

Responsibilities

• Design, build, and optimize Python systems for large-scale data pipelines and evaluation workflows.
• Develop full-stack tooling and backend services for data annotation, validation, and quality control at scale.
• Identify bottlenecks and reliability issues across production codebases and improve performance.

Skills

Python

Full-stack

Asyncio

Mypy

Pydantic

FastAPI

Django

Concurrency

Job description

Alignerr is seeking a Senior Python Full-Stack Engineer to design data pipelines, annotation tooling, and evaluation systems powering leading AI labs. This is a fully remote, hourly contract role with 20–40 hours per week and real production impact.

You will build high-performance Python services (FastAPI, Django) and scalable data tooling, collaborating with data, research, and engineering teams to support model training and evaluation.