Posted 4 months ago
Copy of Senior Python Developer (AI Evaluation & Benchmarking)
@ Lifted, an Upwork Company™
Ottawa, Ontario
Overview
Lifted, an Upwork Company, is hiring a senior Python developer on a fully remote contract to design coding benchmarks and evaluate AI-generated code for a client building frontier AI models. The work involves writing and reviewing Python, building data pipelines, and analyzing code for correctness and edge cases. The posting states 10 to 39 hours per week, paid at $80 to $100 USD per hour with weekly payments.
Responsibilities:
- Design and develop coding benchmarks for frontier AI models
- Analyze AI-generated code for correctness and edge cases
- Build and maintain scalable data pipelines for AI evaluation
- Write clean, well-tested Python code
Requirements summary:
- 4+ years of professional software engineering experience (required)
- Expert-level proficiency in Python
- Proficiency in another language such as JavaScript, Go or C++
- Experience with CI/CD and automated testing frameworks
Tools & skills
Source and dates
Employer career site / ATS feed · smartrecruiters
- Employer posting date
- 2026-06-29
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-10-21
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Experience | 4+ years |
| Travel | air: none · ground: none |
| Work setting | Home |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Lifted, an Upwork Company™
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
One solution built for enterprise companies to source, contract, manage, and pay any type of contingent talent.
Full company description
Lifted is the first talent, country and contract agnostic contingent workforce management solution, unifying the ability to source, contract, manage, and pay any type of contingent talent, anywhere in the world. Designed to embed into existing contingent workforce ecosystems, Lifted provides enterprises with global reach, embedded compliance, and a seamless experience across the entire contingent workforce.
- LinkedIn followers
- 6,800
- People associated on LinkedIn
- 282
- Business categories
- Information Technology
- Internet
- Other recorded names
- Lifted
- Lifted, an Upwork Company™
- Lifted, an Upwork Company
- Profile identifies a recruitment agency
- No
- Reported total investment
- 0
Currency and observation date were not supplied; this is not a current valuation or a funding round.
Lifted is the first talent, country and contract agnostic contingent workforce management solution, unifying the ability to source, contract, manage, and pay any type of contingent talent, anywhere in the world. Designed to embed into existing contingent workforce ecosystems, Lifted provides enterprises with global reach, embedded compliance, and a seamless experience across the entire contingent workforce.
| Field | Value |
|---|---|
| Industry | Technology, Information and Internet |
| Company size | 201-500 employees |
| Organization type | Public Company |
| Year founded | 2025 |
| Open jobs on Jobsy | 31 |
| View page |
Company Description
An enterprise client is seeking experienced Senior Python Developers to help build the next generation of Artificial Intelligence systems. This opportunity support the client who is a leading AI platform that enables organizations to build intelligent applications through high-quality human feedback, AI evaluation, and model alignment.
The selected consultants will contribute to AI research by designing programming benchmarks, evaluating AI-generated code, and helping improve the performance, reasoning, and reliability of frontier AI models. This is an excellent opportunity for experienced software engineers who enjoy solving complex technical problems while contributing to the future of Generative AI.
Job Description
This opportunity is ideal for senior software engineers with strong Python expertise who enjoy writing high-quality code, reviewing technical solutions, and working on AI-related projects.
What You'll Do:
- Design and develop coding benchmarks used to evaluate frontier AI models.
- Analyze AI-generated code for correctness, reliability, efficiency, and edge cases.Build and maintain scalable data pipelines that support AI evaluation workflows.
- Create structured programming scenarios to test reasoning, debugging, and code quality.
- Work with large codebases and multi-language software environments.
- Collaborate with teams focused on improving how AI models understand, generate, and evaluate software.
- Write clean, maintainable, and well-tested Python code following software engineering best practices.
Qualifications
Requirements:
- 4+ years of professional software engineering experience (required).
- Expert-level proficiency in Python.
- Experience working at a high-growth technology company or top-tier software organization.
- Proficiency in at least one additional programming language such as JavaScript, Go, C++, or similar.
- Experience with CI/CD pipelines and automated testing frameworks such as pytest, Mocha, or JUnit.
- Strong understanding of software engineering best practices, debugging, and code quality.
- Excellent analytical and problem-solving skills.
Nice to Haves:
- Experience with AI/ML evaluation, model benchmarking, or Generative AI.
- Background in security engineering.
- Significant contributions to open-source software projects.
- Experience working with large-scale distributed systems or enterprise software platforms.
Additional Information
- Fully remote contract opportunity.
- Compensation ranges from $80–$100 USD per hour.
- Expected workload is 10–39 hours per week, depending on project needs.
- Weekly payments for approved work completed during the previous week.
- Work volume may fluctuate throughout the duration of the engagement.
Hiring Process:
- Submit your proposal.
- Complete a short qualification form provided by the client.
- Qualified candidates will receive an Upwork contract offer and onboarding instructions.
- After accepting the contract, candidates will gain access to the client's evaluation.
- Candidates who successfully pass the evaluation will be invited to a technical interview with the client.
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