Software Engineer - Python (Advanced)

Alignerr · Freelance & Talent Marketplaces · AI Training Data & Annotation · Python · SQL · 6 hours ago
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Salary
≈ $14k – $36k per year (Estimated)
Location
Remote (India)
Experience
4+ years exp
Employment
Full-Time

First seen by Alion on Oct 31, 2026.

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Alignerr

Alignerr is an American expert marketplace operated by the data platform company Labelbox that pays specialists to train and evaluate frontier artificial intelligence models. Contributors work remotely on tasks such as writing reference answers, ranking model outputs, reviewing code, checking mathematical proofs and probing systems for failure, across dozens of languages and professional domains. The platform screens applicants for genuine subject expertise before assigning work, and supplies the resulting reinforcement learning and evaluation data to laboratories building large language models.
alignerr.com · HQ: San Francisco, United States · AI Evaluation & Observability · Freelance & Talent Marketplaces · AI Training Data & Annotation · 51-200 employees · Est. 2024
Software Engineer – Python (Advanced)

About The Role

What if your Python expertise could directly influence how AI systems reason about, write, and evaluate real-world code We're looking for advanced Python engineers to work on challenging, high-impact problems — building and refining the software and data workflows that power next-generation AI applications.

This is a fully remote, flexible contract role designed for engineers who thrive on complex problems, clean architecture, and sharp analytical thinking. If you've spent years writing production-grade Python and want work that actually stretches your skills, this is it.

  • Organization: Alignerr
  • Type: Hourly Contract
  • Location: Remote
  • Commitment: 10–40 hours/week

What You'll Do

  • Design, implement, and optimize advanced Python code for production-level systems and AI-driven workflows
  • Analyze and manipulate structured datasets to support engineering and modeling pipelines
  • Write and optimize complex SQL queries to extract, transform, and validate data
  • Review, debug, and improve existing codebases for performance, reliability, and long-term maintainability
  • Translate ambiguous, high-level requirements into precise, well-reasoned technical solutions
  • Apply consulting-style thinking to evaluate tradeoffs and recommend best-fit approaches
  • Document assumptions, decisions, and implementation details with clarity and precision

Who You Are

Must-Have

  • 4+ years of professional software engineering experience
  • Advanced Python proficiency — clean architecture, performance optimization, debugging at depth
  • Strong data analysis experience working with real-world, complex datasets
  • Solid SQL skills, including complex queries, joins, and data validation workflows
  • Prior consulting or client-facing experience, with a demonstrated ability to reason through open-ended technical problems

Nice to Have

  • Experience working with large, messy, or unstructured datasets
  • Familiarity with backend systems, REST APIs, or data pipelines
  • Comfort reviewing and evaluating AI-generated code or analytical outputs
  • Strong written communication with sharp attention to detail

Why Join Us

  • Work on cutting-edge AI projects alongside leading research labs
  • Fully remote and flexible — work when and where you do your best thinking
  • Freelance autonomy with the structure of meaningful, task-based engineering work
  • Make a direct, tangible impact on how AI understands and produces high-quality software
  • Potential for ongoing work and contract extension as new projects launch
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