Data Platform Engineer (Python)
Alignerr
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About the role
Role Overview
You’ll be a Data Platform Engineer (Python) working on high-performance Python systems that power AI data pipelines, data annotation tooling, and model evaluation infrastructure. This is a fully remote, flexible contract role (20–40 hours/week) for engineers who want to build production systems at the cutting edge of AI development.
What You’ll Do
- Design, build, and optimize Python systems for 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; implement scalable, production-grade fixes
- Participate in synchronous design reviews to iterate on architecture and implementation decisions
Requirements
- Fluent/native English with clear written and verbal communication
- Full-stack developer with a strong systems programming background
- 5+ years of production Python experience for data engineering
- Proficiency with workflow orchestration tools for complex dependency graphs
- Experience with dataframe processing libraries and cloud data warehouse integrations via Python SDKs
- Ability to reliably commit 20–40 hours/week
Nice to Have
- Prior experience with data annotation, data quality pipelines, or evaluation systems
- Familiarity with AI/ML workflows such as model training or benchmarking infrastructure
- Experience with distributed systems or developer tooling
Contract Details
- Type: Hourly contract
- Location: Remote
- Commitment: 20–40 hours/week
- Potential for ongoing work/extension as new projects launch
About Alignerr
Alignerr is a technology company focused on building infrastructure and tooling for AI development, particularly around data pipelines, annotation, and evaluation workflows. The team supports production-grade systems that help leading AI labs train and improve next-generation models.
Scraped 7/26/2026