Lead Backend Engineer - AI Tooling
up to $75/hr
source wording: “$50-75/hr”
- Platform
- Alignerr
- Category
- Coding & software eval
- Eligibility
- Worldwide
- Freshness
- seen live 57 min ago
What this role asks for
- 20–40 hrs/week
- 5+ yrs experience
- Python
- Annotation
Read from the posting's own words: show the exact sentences
- 20–40 hrs/week: “…Alignerr - Type: Hourly Contract - Location: Remote - Commitment: 20–40 hours/week What You'll Do * Design, build, and optimize high-performance Python systems…”
- 5+ yrs experience: “…developer with a strong systems programming background and 5+ years of professional experience writing production Python backend services * Mastery of modern web frameworks and strict…”
- Python: “…Backend Engineer — AI Tooling About the Role What if your Python expertise could directly shape the infrastructure powering the next generation of AI?…”
- Annotation: “…workflows * Develop full-stack tooling and backend services for data annotation, validation, and quality control at scale * Architect robust REST and GraphQL APIs,…”
The role, as Alignerr describes it
Lead Backend Engineer — AI Tooling
About the Role
What if your Python expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior Python Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and benchmark their most advanced models.
This is a fully remote contract role working on real production systems alongside world-class research and engineering teams. If you thrive at the intersection of backend engineering and cutting-edge AI, this is the opportunity to make a tangible impact at scale.
- Organization: Alignerr - Type: Hourly Contract - Location: Remote - Commitment: 20–40 hours/week
What You'll Do
Read the rest of the description (7 more paragraphs)
* Design, build, and optimize high-performance Python systems supporting large-scale AI data pipelines and evaluation workflows * Develop full-stack tooling and backend services for data annotation, validation, and quality control at scale * Architect robust REST and GraphQL APIs, design database schemas, and implement authentication and authorization flows * Improve reliability, performance, and safety across existing production Python codebases * Identify bottlenecks and edge cases in data and system behavior, then implement scalable, maintainable fixes * Collaborate closely with data, research, and engineering teams to support model training and evaluation workflows * Lead synchronous code reviews and system design sessions, driving technical decisions with clarity and conviction
Who You Are
* Native or fluent English speaker with clear written and verbal communication skills * Full-stack developer with a strong systems programming background and 5+ years of professional experience writing production Python backend services * Mastery of modern web frameworks and strict type enforcement patterns in Python * Proven experience architecting APIs, designing database schemas, and implementing auth flows at production scale * A sharp problem-solver who can spot systemic issues and drive meaningful improvements across complex codebases * Able to commit 20–40 hours per week with consistency and reliability
Nice to Have
* Prior experience with data annotation platforms, data quality systems, or evaluation infrastructure * Familiarity with AI/ML workflows, model training pipelines, or benchmarking systems * Experience with distributed systems, developer tooling, or infrastructure engineering
Why Join Us
* Work on high-impact, production-grade systems used by leading AI research labs * Fully remote and async-friendly — work from wherever you do your best work * Engage with meaningful engineering challenges at the frontier of AI development * Collaborate with top-tier researchers and engineers on problems that matter * Potential for ongoing work and contract extension as projects evolve and scale
Posted by Alignerr, reproduced here so you can judge the role before clicking. Original posting ↗
Source: platform job feed · first seen 57 min ago · ID 2028dbeb-a553-4da2-8d14-c1af0cf49cea
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