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Data Platform Engineer (Python)

Alignerr

full-remoteseniorcontractbackendfullstack Denver, CO 6 days ago via LinkedIn

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Tags

PythonData EngineeringData PipelinesWorkflow OrchestrationData AnnotationData QualityEvaluation SystemsAI/ML WorkflowsData WarehousesDistributed Systems

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