Machine Learning & NLP Expert
- Salary
- $80 - $110 per hour
- Level
- Senior
- Work type
- Remote · US only
Not stated in the posting: visa.
Open. First seen 2 October 2026.
About the role
This role is for one of our clients
Compensation: $80-$110 per hour
Join a cutting-edge AI research initiative and help shape the next generation of frontier AI models. We are seeking experienced Machine Learning & NLP Experts to contribute their technical expertise toward training and evaluating advanced AI systems. In this role, you will design challenging, real-world machine learning and natural language processing tasks, create high-quality reference solutions, and assess AI model performance to identify reasoning gaps and improve overall capabilities.
This is a part-time, fully remote opportunity requiring approximately 20 hours per week.
Requirements
Key Responsibilities
- Design challenging, real-world machine learning and natural language processing tasks covering areas such as:
- Machine Learning Model Development and Evaluation
- Natural Language Understanding (NLU)
- Natural Language Generation (NLG)
- Information Retrieval and Search
- Applied Machine Learning Pipelines
- Transformer Models and Large Language Models (LLMs)
- Develop accurate reference solutions and integrate tasks into agentic development environments using Python.
- Build executable evaluation frameworks and testing components where appropriate.
- Evaluate AI model outputs for technical correctness, reasoning quality, and overall performance.
- Identify capability gaps, classify model failure modes, and provide detailed written analyses.
- Create and refine evaluation guidelines, scoring rubrics, and quality standards for ML and NLP tasks.
- Collaborate with fellow subject matter experts to ensure consistency, accuracy, and high-quality training data.
Required Qualifications
- Deep hands-on experience in Machine Learning and/or Natural Language Processing through industry, research, or graduate/PhD-level work.
- Strong proficiency in Python with practical experience developing ML or NLP applications.
- Strong understanding of modern machine learning techniques, including:
- Model Training and Evaluation
- Transformer Architectures
- Large Language Models (LLMs)
- NLP Pipelines
- Feature Engineering and Model Optimization
- Experience with industry-standard frameworks such as PyTorch, TensorFlow, Hugging Face Transformers, or equivalent.
- Ability to commit approximately 20 hours per week.
- Excellent written communication skills and the ability to work independently in a remote environment.
Preferred Qualifications
- Experience in AI model evaluation, AI training data creation, or human-in-the-loop model assessment.
- Familiarity with Retrieval-Augmented Generation (RAG), vector databases, embedding models, or multimodal AI systems.
- Experience building benchmarking frameworks, automated evaluation pipelines, or testing infrastructure.
- Contributions to open-source ML/NLP projects or published research are a plus.
- Experience working with production-scale machine learning systems.
Role Details
- Employment Type: Independent Contractor
- Work Arrangement: Fully Remote
- Schedule: Approximately 20 hours per week
- Project Duration: Based on project requirements and performance, with opportunities for extension
Equal Opportunity
We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.
Contract & Payment Terms
- You will be engaged as an independent contractor.
- This is a fully remote role that can be completed on your own schedule.
- Projects may be extended, shortened, or concluded early depending on business needs and performance.
- Your work will not involve access to confidential or proprietary information from any employer, client, or institution.
- Payments are made weekly via Stripe or Wise based on services rendered.
- Please note: We are unable to support H1-B or STEM OPT candidates at this time.
What this role asks for
Particular to this role
Hugging Face · NLP · RAG · TensorFlow · Vector Databases
Rare in Weekday AI's other 299 open postings.
Standard for data science / ML roles
LLM · Machine Learning · PyTorch · Python
Common in data science / ML postings at any company.
Read against Weekday AI's other open postings on this site.
The team: AI Training HIRES STEADILY
This role is one of 108 open in AI Training. 1 was posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Machine Learning (31 of 108), Python (30 of 108), LLM (18 of 108), Git (14 of 108), SQL (12 of 108), Excel (10 of 108), Generative AI (9 of 108)
OTHER ROLES ON THIS TEAM
- Insurance Expert - AI Training & Evaluation posted Oct 8
- Engineering & Software Domain Expert posted Sep 17
- Multilingual Inpatient Hospitalist (MD) - Clinical Documentation & AI Evaluation posted Sep 17
- Finance Domain Expert - AI Training & Evaluation posted Sep 17
- Analyst / Insights Experts posted Sep 17
- Biology / environmental science Evaluator posted Sep 17
- Biotech Investment Analyst - Drug Asset & Company Assessment posted Sep 17
- Data Scientist Talent Network posted Sep 17
- Equity Research Expert - Single-Name Analyst Publications posted Sep 17
- Management Consultant Talent Network posted Sep 17
- MLOps Engineer, LLM Systems (Serving, GPU Kernels, Profiling) posted Sep 17
- Software Engineer, C - Codebase Q&A posted Sep 16
- Applied History & Political Science Benchmark Specialist posted Sep 16
- Software Engineer, Python - Codebase Q&A posted Sep 16
- Biology / environmental science Evaluator posted Sep 16
- AI Safety Experts - English & Finnish posted Sep 16
- Software Engineer, Go - Codebase Q&A posted Sep 16
- Mathematics PhD Coding Experts posted Sep 14
- Biology PhD Coding Experts posted Sep 14
- Physics PhD Coding Experts posted Sep 14
- Material Science PhD Coding Experts posted Sep 14
- FP&A & Treasury Analyst posted Sep 14
- Chemistry PhD Coding Experts posted Sep 14
- Data quality / CRM operations Evaluator posted Sep 14
- STEM PhDs and Technical Domain Experts posted Sep 14
- Financial Crime, AML & KYC Analyst posted Sep 8
- Mechanical Engineering Expert posted Sep 8
- Civil Engineering Expert posted Sep 8
- Electrical Engineering Expert posted Sep 8
- Engineering / manufacturing / technical operations Evaluator posted Sep 8
- Incident management / reliability / SRE Evaluator posted Sep 8
- Technical Accounting & SEC Reporting Specialist posted Sep 8
- Generalist (AI Training Specialist) posted Sep 7
- Compliance / regulatory response with financial-services AI Evaluator posted Sep 2
- Cloud / DevOps Engineer (Infra & IaC) posted Sep 2
- Materials Science Domain Expert posted Sep 2
- Product / Platform Experts posted Sep 2
- Engineering / Platform Professionals posted Sep 1
- Product / Artifacts Experts posted Sep 1
- Applied Computer Science Benchmark Specialist posted Aug 17
- UI / UX Design Expert posted Aug 17
- Sales Engineering Expert posted Aug 17
- Professional Design Experts posted Aug 15
- Project Coordinator - AI & Data Projects posted Aug 15
- Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++) posted Aug 14
- Software Engineer, Full Stack (Python, Java, Rust, C#, C++) posted Aug 14
- Senior Design Expert - Paid AI Design Research Study posted Aug 14
- Legal Domain Expert - AI Training & Evaluation posted Aug 14
- QA/Test Engineer posted Aug 14
- Biology Expert (PhD) - AI Safety posted Jul 30
- Civil Engineering Expert posted Jul 30
- Electrical Engineering Expert posted Jul 30
- Mechanical Engineering Expert posted Jul 30
- Software Engineering Expert posted Jul 30
- Machine Learning Engineer - Model Evaluation & Experimentation posted Jul 30
- Chemical Engineering Expert posted Jul 30
- ASIC/SoC Design & Verification Engineer posted Jul 29
- Computer Vision Expert posted Jul 29
- Data Engineer - Finance posted Jul 29
- MLOps Engineer (JAX, PyTorch, Pallas/Triton) posted Jul 29
- Data Science & Quantitative Analysis Expert posted Jul 29
- Performance Engineer (C++, Python, Rust) posted Jul 29
- QA/Test Engineer posted Jul 29
- AI Rater Guidelines Writer (Linguist / Instructional Designer) posted Jul 29
- Data Science Expert posted Jul 28
- Architect (CAD & Construction Documentation) posted Jul 14
- Frontend Software Engineer posted Jul 10
- AI Evaluation Specialist posted Jul 9
- Technology AI Evaluation Expert posted Jul 9
- Legal AI Evaluation Expert posted Jul 9
- Software Engineering Expert (AI Training) posted Jul 9
- Southern American English Voice Actor (AI Speech & Voice Modeling) posted Jul 9
- Equity Research AI Specialist posted Jul 8
- Medical Expert AI Evaluation Specialist posted Jul 8
- Internal Medicine AI Evaluation Specialist posted Jul 8
- Physics Subject Matter Expert (AI Training) posted Jul 3
- AI Safety & Red Teaming Specialist posted Jul 3
- Medical Subject Matter Expert (AI Training & Documentation) posted Jul 3
- Engineering Subject Matter Expert (AI Training) posted Jul 3
- Financial Documentation Expert (AI Training) posted Jul 3
- Computer Science Subject Matter Expert (AI Training) posted Jul 3
- Game Tools & Modding Engineer posted Jul 3
- Chemistry Subject Matter Expert - AI Training (Remote) posted Jul 3
- Biology Subject Matter Expert (AI Training & Scientific Content) posted Jul 3
- Mathematics Subject Matter Expert (AI Training) posted Jul 3
- Network Engineer - Data for Autonomous Systems annotation posted Jun 24
- Management & Strategy Consultants (MBB/Big 5) AI Trainer posted Jun 24
- CUDA Engineering Expert posted Jun 24
- Cybersecurity SWE - AI Safety posted Jun 24
- Mechanical Engineer posted Jun 5
- AI Tax Compliance & Legal Interpretation Expert posted May 14
- US Tax Law AI Specialist (CPA / EA / CA) posted May 14
- Clinical AI Specialist posted May 5
- Physics AI Specialist posted May 5
- Investment Banking AI Specialist posted May 5
- Tax AI Expert posted Apr 21
- Insurance Underwriting AI Expert posted Apr 21
- Ledger and reconciliation AI Expert posted Apr 21
- Strategic finance AI Expert posted Apr 21
- Financial modeling AI Expert posted Apr 21
- Compliance and controls AI Expert posted Apr 21
- Insurance Policy Administration AI Expert posted Apr 21
- Risk & Actuarial AI Expert posted Apr 21
- Insurance Claims Management AI Expert posted Apr 21
- Financial reporting AI Expert posted Apr 21
- Financial planning & analysis (FP&A) AI Expert posted Apr 21
- Capital allocation AI Expert posted Apr 21
From the team and dates on Weekday AI's own job board.
Similar jobs
- Machine Learning Engineer | Contract | Remote at Tech Holding
Shares 9 skills: Hugging Face, NLP, Vector Databases… · same remote region - Machine Learning Engineer at Dorsia
Shares 8 skills: Hugging Face, NLP, Vector Databases… · Senior level · same country - Staff Machine Learning Engineer at Altana
Shares 8 skills: Hugging Face, NLP, Vector Databases… · same remote region - Principal AI & Machine Learning Engineer - U.S. Based Hybrid Opportunity at Common App
Shares 8 skills: Hugging Face, NLP, TensorFlow… · same country - Senior Machine Learning Engineer at Loka, Inc
Shares 8 skills: Hugging Face, Vector Databases, TensorFlow… · Senior level - WMS Developer at Weekday AI
Also at this company
Is this your posting and you want it taken down? Email info@careerholo.com.