Freelance Machine Learning Engineer

Mindrift; Pennsylvania; On-site; USD 82,656,000 - 123,984,000; Part time

Job summary

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focusing on testing, evaluating, and improving AI systems. This opportunity is part-time and non-permanent, with tasks including designing original problems, Python-driven development, and rigorous solution verification.

Applicants should showcase ML work, a portfolio of projects, and strong Python skills. Contributors may work on 10–20 hours per week per project, with compensation up to $90 per hour

Qualifications

• 5+ years hands-on ML with business impact.
• Portfolio of completed projects/publications.
• Expert Python for data science (NumPy, Pandas, SciPy, scikit-learn).
• Expert statistical analysis and ML – algorithms and applications.
• Expert with SQL and database operations.

Responsibilities

• Design original computational STEM problems for AI workflows.
• Create Python-based problems needing Python proficiency.
• Ensure problems are computationally intensive and hard to solve manually.
• Develop problems with non-trivial reasoning and creativity.
• Verify solutions using Python with standard libraries (NumPy, Pandas, SciPy, scikit-learn).
• Document problem statements and provide verified correct answers.

Skills

ML experience

Python programming

Data analysis

Statistical analysis

SQL

GenAI

MLOps

TensorFlow

LangChain

English (C1+)

Tools

NumPy

Pandas

SciPy

scikit-learn

SQL databases

Vector databases

Job description

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.

Participation is project-based, not permanent employment.

What This Opportunity Involves

While each project involves unique tasks, contributors may:

• Design original computational STEM problems that simulate real scientific workflows
• Create problems that require Python programming to solve
• Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks)
• Develop problems requiring non-trivial reasoning chains and creative problem-solving approaches
• Verify solutions using Python with standard libraries (Numpy, Pandas, Scipy, scikit-learn)
• Document problem statements clearly and provide verified correct answers

What We Look For

This opportunity is a good fit for ML specialists with an experience in python open to part-time, non-permanent projects. Ideally, contributors will have:

• 5+ years of hands-on machine learning experience with proven business impact
• Portfolio of completed projects and publications showcasing real-world problem-solving
• Expert Python programming for data science (pandas, numpy, scipy, scikit-learn, statsmodels)
• Expert statistical analysis and machine learning – deep understanding of algorithms, methods, and their practical applications
• Expert with SQL and database operations for data manipulation and analysis
• Experience with GenAI technologies (LLMs, RAG, prompt engineering, vector databases)
• Understanding of MLOps practices and model deployment workflows
• Knowledge of modern frameworks (TensorFlow, PyTorch, LangChain)
• Strong written English (C1+)

How It Works

Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid

Project time expectations

For this project, tasks are estimated to require around 10-20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active.

Compensation

On this project, contributors can earn up to $90 per hour equivalent , depending on their level and pace of contribution.

Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.