Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Python Developer (AI Evaluation & Benchmarking)

$80 - $100 per hour

Lifted, an Upwork Company™

Senior Python Developer (AI Evaluation & Benchmarking)

An enterprise client is seeking experienced Senior Python Developers to help build the next generation of Artificial Intelligence systems. This opportunity supports 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.

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.

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.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Python Developer (AI Evaluation & Benchmarking) in United States vacancy
  • $201.3k - $352.3k

     ...work. Today, ServiceNow is the AI control tower for business reinvention...  ...an exceptional, data-driven Senior Engineering Manager, Agentic & GenAI Benchmarking and Evaluations to establish and lead AI...  ...enterprise scale.Proficiency in Python and familiarity with data analytics... 
    Senior
    Work experience placement
    Work at office
    Immediate start
    Remote work
    Flexible hours
    Shift work

    ServiceNow

    Santa Clara, CA
    3 days ago
  •  ...world's fastest-growing AI companies,...  ...feedback, and rigorous evaluation frameworks. Our contributors...  ...strong background in developing and operating large-scale...  ...coding-agent benchmark tasks using production...  ...programming experience in Python (mandatory) along with... 
    Senior
    Contract work
    Temporary work
    For contractors
    Freelance
    Remote work
    Worldwide

    Turing

    Remote
    29 days ago
  • 24-MAG LLC invites experienced Senior Software Engineers to join a part-time, remote consulting engagement focused on evaluating AI-generated software, code benchmarking, and research-driven verification. You will curate code, craft reference solutions, and build automated... 
    Senior
    Remote job
    Part time

    24-Mag Llc

    New York, NY
    3 days ago
  •  ...is looking for a Senior Machine Learning Engineer...  .... We build AI-native experiences...  ...systems, models, evaluation frameworks, and data...  ...and impactYou will develop and productionize...  ...evaluation datasets and benchmarks, analyze model...  ...production.Strong Python skills and... 
    Senior
    Work at office
    Local area

    Atlassian

    San Francisco, CA
    5 days ago
  • $142.32k - $213.48k

     ...ProfessionalCompany: CitiWe are seeking a Senior Python Developer within Risk Technology to...  ...the design and delivery of AI-enabled automation across...  ..., result capture, benchmarking, and reporting.Develop data...  ...in applied AI/ML and evaluate their applicability to risk... 
    Senior
    Full time

    Citigroup

    New York, NY
    5 days ago
  •  ...Our client, an AI healthcare software startup, seeks a Member of Technical Staff (Research Scientist) to develop benchmarks and evaluation methodologies for large language models. You will shape...  ...3 years in AI/ML research, strong Python, and experience with PyTorch/TF.... 

    Jobleads-US

    San Francisco, CA
    6 days ago
  • $197.3k - $225.1k

    AI Engineer 4 (AI Foundations: Benchmarking, Evaluation, and Explainability)At Capital One, we are creating...  ...Capital One.* Design, develop, test, deploy, and...  ...met* Mentor Principal and Senior Associates on scalable design...  ...programming with Python, Go, Scala, CUDA, or Java... 
    Full time
    Part time
    Local area

    Jobleads-US

    New York, NY
    6 days ago
  •  ...Matter Intelligence is hiring a Signal, Data, and Evaluation Engineer to build datasets, benchmarks, environments, and evidence for defensible models and AI systems. You will work across data curation, simulation and learning environments, model and agent evaluation,... 

    Jobleads-US

    San Francisco, CA
    2 days ago
  •  ...planning. As GenAI OS Application Developer, you will play a pivotal role...  ...Schwab’s Generative AI Operating System (GenAI OS),...  ...development experience using Python as a primary programming language...  ...embeddings, RAG architectures, and AI evaluation or observability frameworks.... 
    Senior
    Full time
    Work at office

    The Charles Schwab Corporation

    Austin, TX
    5 days ago
  •  ...increased hours Role Responsibilities Review and refine AI-generated prompts, responses, and code Validate...  ...organize content by topic, difficulty, or language Support benchmarking efforts to evaluate and compare model capabilities Requirements Strong experience... 
    Part time
    Remote work

    Crossing Hurdles

    United States
    1 day ago
  • As the Senior AI/ML Engineer - Validation & Evaluation within AI Validation & Monitoring (AVM), you will provide practice...  ...triggers for the AIA Product Lead.Developing and maintaining validation-pathway...  ..., with proficiency in tools like Python, TensorFlow, PyTorch, sci-kit-... 
    Senior
    Work at office
    Flexible hours

    Mayo Clinic

    Rochester, MN
    1 day ago
  •  ...Python Developer Onsite - 3 or 4 days per week / Sparta, NJ Perm Role...  ...You'll work on a small, senior development team, with the scope...  ...prioritization, and trade-offs Evaluate and integrate third-party...  ...systems Model effective use of AI coding tools (Copilot, Claude... 
    Senior
    Permanent employment
    3 days per week

    RedStream Technology

    Sparta, NJ
    4 days ago
  • $119.8k - $234.7k

     ...GitHub Copilot workflows that empower developers for an AI-first world. We are looking for a Senior Product Manager to drive key initiatives across Python and Java developer experiences. This...  ...use the experiences you build, and evaluate whether they solve meaningful... 
    Senior
    Ongoing contract
    Local area
    3 days per week

    Microsoft

    Redmond, WA
    3 days ago
  •  ...Role Overview Evaluate and benchmark the coding abilities of frontier AI models by reviewing AI-generated solutions, validating them against real-world software...  ...proficiency in one or more of the following languages: Python, Java, C/C++, Go, Swift, Objective-C, PHP, or SQL.... 
    Contract work
    For contractors
    Remote work

    SaidGig

    United States
    more than 2 months ago
  • $142.32k - $213.48k

     ...Development, ProfessionalCompany: CitiThe Senior Python Architect/Developer is responsible for establishing and...  ...problems/projects through in-depth evaluation of complex business processes, system...  .... Our automated processing and AI do not involve relying on automatic or... 
    Senior
    Full time
    Work experience placement

    Citigroup

    Jersey City, NJ
    3 days ago
  •  ...research accelerator for frontier AI labs and a trusted partner for...  ...As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language...  ...corrections — with a primary focus on Python across backend services, data... 
    Senior
    For contractors
    Remote work
    Flexible hours

    Turing

    Allentown, PA
    4 days ago
  • $100k - $143k

     ...per week Business UnitTechnology, Data, AI and Ventures (TDAV)Within the Tech,...  ...functions of the enterprise. We are seeking a Python AI Developer to design, build, and operationalize AI...  ...oversight mechanisms, monitoring, and evaluation pipelines to ensure AI outputs are... 
    Senior
    Local area
    3 days per week

    New York Life Insurance Company

    New York, NY
    5 days ago
  •  ...OSC EdgeTech, LLC is seeking a talented Senior Python Developer to join the OSC EdgeTech team. OSC...  ...benefits. As part of the evaluation process, candidates under consideration...  ...Overview The Senior Python Developer (AI/ML) is primarily responsible for driving... 
    Senior
    Live in
    Work at office
    Local area

    OSC Global

    Eastern, KY
    5 days ago
  • Turing is seeking an experienced software engineer at tech-lead level for a remote contractor role to advance LLM evaluation and synthetic SWE tasks built from public repositories. You\'ll own hands-on engineering work, automation, triaging issues, and assessing test coverage... 
    Senior
    Remote job
    For contractors

    Turing

    New York, NY
    4 days ago
  •  ...development of high-quality datasets and evaluation pipelines that improve and benchmark large language models for code...  ...code, evaluate and refine AI-generated solutions across multiple...  ...precise solutions, and correct code in Python, JavaScript including ReactJS, C and... 
    Senior
    Full time
    For contractors
    Remote work
    10 hours per week
    Flexible hours

    SaidGig

    United States
    more than 2 months ago
  • $144.7k - $261.3k

     ...DescriptionAbout the TeamThe Evaluation Foundations team, part of Embodied AI's Scaling Foundations,...  ...innovation.Why Join Us?Develop introspection and...  ...systems.About the RoleAs a Senior Engineer in the Embodied...  ...key technologies:Backend: Python, node.js, high-throughput... 
    Senior
    Full time
    Local area
    Remote work
    Work from home
    Relocation package
    Flexible hours

    General Motors

    Warren, MI
    3 days ago
  • $80 per hour

    Prolific is seeking AI & Machine Learning Engineers to join our Expert Network, training and evaluating the next generation of LLMs. You’ll perform paid tasks, with typical researchers paying up to $80 per hour and assignments of around one hour. Successful candidates join... 
    Senior
    Remote job
    Hourly pay
    Work from home
    Flexible hours

    Prolific

    New York, NY
    1 day ago
  • $184k - $287.5k

     ...tapping into the unlimited potential of AI to define the next era of computing. An era...  ...motivated engineer to lead performance benchmarking and optimization efforts for our data center...  ...RoCE, NVLink) ~ Programming skills in Python, C++, and shell scripting. Excellent... 
    Senior

    NVIDIA Gruppe

    Santa Clara, CA
    3 days ago
  • $5,000 per month

     ...We are looking for experienced Senior Software Engineers to support a technical AI evaluation project involving data pipelines, evaluation workflows, and preference...  ...experience ~ Strong proficiency in Python , particularly building and maintaining pipelines... 
    Senior

    eDataBae

    United States
    3 days ago
  •  ...Amazon.com Services LLC's AGI Responsible AI team seeks an Applied Scientist III to advance evaluation of frontier models, focusing on safety, fairness, and trust. You will design benchmarks, metrics, and scalable evaluation systems for large language models and generative... 
    Senior

    Jobleads-US

    Kentucky
    2 days ago
  •  ...AI Systems & Benchmarking in San Francisco is seeking a Member of Technical Staff to explore how AI systems perform in the real world and define how that performance is measured. You’ll shape evaluation frameworks, datasets, and metrics used by the industry, at the intersection... 
    Senior

    Jobleads-US

    San Francisco, CA
    3 days ago
  • $197.3k - $245.6k

     ...degree in Computer Science, AI, Electrical Engineering...  ...4 years of experience developing AI/ML algorithms or...  ...programming experience with Python, Go, Scala, CUDA, or...  ...for model training, evaluation, and online inference at...  ...Mentor Principal and Senior Associates in scalable... 
    Full time

    Capital One

    New York, NY
    8 days ago
  •  ...partner is looking for a Senior Software Engineer – LLM Evaluation based in United...  ...high-quality code, develop technical solutions, and evaluate AI-generated software against...  ...and contribute to benchmarks that make AI...  ...technologies such as Python, JavaScript, ReactJS... 
    Senior
    Full time
    Part time
    For contractors
    Remote work
    10 hours per week
    Flexible hours

    jobgether

    United States
    4 days ago
  • $112.7k - $193.2k

     ...Principal-level role serves as a senior technical evaluation and AI governance expert within a...  ...5+ years of experience using Python, SQL, R, or similar tools to develop, test, evaluate, or validate...  ...overseeing testing, validation, benchmarking, or performance assessment of... 
    Minimum wage
    Full time
    Work experience placement
    Work at office
    Local area
    Remote work

    UnitedHealth Group

    Minnetonka, MN
    16 hours ago
  •  ...Hims & Hers is seeking a senior technologist to own evaluation systems, data pipelines, and cross-team initiatives. You will define the evaluation direction...  ...pipelines, and lead multi-team projects improving how AI services are assessed and gated. You will mentor... 
    Senior

    Jobleads-US

    Kentucky
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Python Developer (AI Evaluation & Benchmarking). Be the first to apply!