Machine Learning Developer (Freelance)

Mindrift

Job Overview

Location

Remote

Salary

USD 55 hourly

Employment Type

Freelance

Work Arrangement

Remote

Sector

Information Technology & Software

Experience Level

Senior (5-8 years)

Application Deadline

May 2, 2026

About the Company

Mindrift is at the forefront of connecting highly skilled specialists with project-based AI opportunities. We partner with leading technology companies to drive innovation in AI systems through rigorous testing, evaluation, and improvement. Our platform is designed for professionals seeking flexible, project-based engagements rather than traditional employment. We focus on creating challenging and impactful AI projects that allow specialists to leverage their expertise in areas such as computational problem design, Python programming, and advanced machine learning techniques. Mindrift facilitates opportunities for contributors to design original problems, develop solutions using Python, and ensure the computational intensity and complexity of these tasks. We value clear documentation and verified solutions, contributing to the advancement of AI technologies.

Job Description

We are seeking skilled Machine Learning Developers for freelance, project-based opportunities. This role involves designing and developing complex computational problems that simulate real scientific workflows, requiring advanced Python programming and a deep understanding of machine learning principles.

Your contributions will be crucial in testing, evaluating, and improving AI systems for leading tech companies. You will create problems that demand Python solutions, ensuring they are computationally intensive and cannot be solved manually. Verification of solutions will be performed using Python with standard libraries.

This opportunity is ideal for ML specialists with extensive Python experience who are open to part-time, non-permanent projects. A strong portfolio of completed projects and publications is highly desirable, showcasing your real-world problem-solving capabilities.

To apply for this role, click the Apply button on this page and follow the instructions.

Required Skills

PythonMachine LearningData ScienceStatistical AnalysisSQLGenAILLMsRAGPrompt EngineeringVector DatabasesMLOpsTensorFlowPyTorchLangChainEnglish Proficiency

Key Responsibilities

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
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

Qualifications

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+)

Benefits & Perks

Up to $55 per hour equivalent compensation
Flexible, project-based work

How to Apply

Please submit your CV in English and indicate your level of English proficiency.

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The field of AI development is rapidly expanding, with a growing demand for specialized freelance talent to drive innovation. This role focuses on creating sophisticated computational STEM problems that mirror real-world scientific workflows, requiring advanced Python programming and deep algorithmic understanding. Your contributions will directly impact the testing, evaluation, and enhancement of AI systems for leading tech companies, influencing the trajectory of AI development and its business applications. This is a project-based engagement, offering flexibility and the opportunity to work on cutting-edge AI challenges.