Senior Python Full-Stack Engineer — AI Data & Infrastructure jobs in United States
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Alignerr · 3 weeks ago

Senior Python Full-Stack Engineer — AI Data & Infrastructure

positionUnited States
timeContract
remoteRemote
senioritySenior Level
money$50/hr - $75/hr
date5+ years exp

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. The Senior Python Full-Stack Engineer will design, build, and optimize high-performance systems in Python supporting AI data pipelines and evaluation workflows, while collaborating with various teams to enhance model training and evaluation processes.

Computer Software

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

Qualification

PythonFull-stack developmentPerformance optimizationBackend servicesAI/ML workflowsConcurrencyData annotationClear communication

Required

Native or fluent English speaker
Full-stack developer experience with a strong systems programming background
5+ years of professional experience writing production Python
Strong background in performance optimization and concurrency (e.g., asyncio, multiprocessing, threading) and type safety (e.g., Pydantic, mypy)
Experience building robust backend services (using frameworks like FastAPI or Django) or scalable data pipelines
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

Company

Alignerr

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We're looking for experts to help train better AI.
people-size11-50 employees
web-link
https://www.alignerr.com/

Funding

Current Stage
Early Stage
Company data provided by crunchbase