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Freelance Data Science Engineer (Python & SQL) at Mindrift

Buenos Aires, , Argentina - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Specialization
Candidates must hold a Master’s or PhD in a quantitative field with at least 5 years of hands-on data science experience, demonstrating proficiency in Python data science libraries, statistical analysis, machine learning, and SQL. Experience with GenAI technologies, MLOps, and modern frameworks like TensorFlow or PyTorch is also required.

Experience Required
Minimum 5 year(s)

Freelance Annotator (Portuguese) - AI Trainer at Toloka Annotators

Lisbon, , Portugal - Full Time

Skills Needed
Attention To Detail, Logical Thinking, Fact Checking, Reasoning Abilities, Communication Skills, Interest In Technology, Interest In Artificial Intelligence

Specialization
Candidates should be proficient in Portuguese (C2) and advanced in English (B2 or higher). A university student or holder of a degree in any professional field is required, along with strong attention to detail and communication skills.

AI Trainer - Freelance Annotator (Portuguese) at Toloka Annotators

, Scotland, United Kingdom - Full Time

Skills Needed
Portuguese, English, Data Review, Labeling, Classification, Fact Checking, Logical Thinking, Attention To Detail, Following Instructions, Communication

Specialization
Candidates must be proficient in Portuguese (C2) and advanced in English (C1 or higher), and currently residing in the specified country. A strong background in logical thinking, fact-checking, attention to detail, and the ability to follow complex instructions is required, along with current or completed university education.

Freelance Annotator (Portuguese) - AI Trainer at Toloka Annotators

Porto, , Portugal - Full Time

Skills Needed
Attention To Detail, Logical Thinking, Fact Checking, Reasoning Abilities, Communication Skills, Technology Interest, Artificial Intelligence

Specialization
Candidates should be proficient in Portuguese (C2) and advanced in English (B2 or higher). A university student or holder of a Bachelor’s, Master’s, or PhD degree in any field is required, along with strong attention to detail and communication skills.

Freelance Data Science Engineer (Python & SQL) at Mindrift

, Scotland, United Kingdom - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Specialization
Candidates must hold a Master’s or PhD in a quantitative field with at least 5 years of hands-on data science experience demonstrating business impact, alongside a portfolio of completed projects. Essential technical requirements include proficiency in Python data science libraries, expert statistical analysis/machine learning knowledge, proficiency in SQL, and experience with GenAI technologies.

Experience Required
Minimum 5 year(s)

AI Pilot Task Delivery Assistant (Freelance) at Mindrift

, , Argentina - Full Time

Skills Needed
Web Searching, Fact Checking, Data Annotation, Attention To Detail, Research, Editing, Analysis, Ai Collaboration

Specialization
Candidates should have a Bachelor's or Master's degree and experience in data annotation or a related field. An upper-intermediate level of English proficiency and the ability to adapt quickly to diverse tasks are also required.

Freelance Accounting Consultant - AI Trainer at Mindrift

, England, United Kingdom - Full Time

Skills Needed
Accounting, Auditing, Financial Accounting, Critical Thinking, Creativity, English Proficiency, Data Analysis, Synthesis, Complex Problem Solving, Realistic Task Design, Us Gaap Familiarity, Communication, Project Management, Consulting, Domain Expertise, Training

Specialization
Candidates must have a Bachelor’s or Master’s Degree in Accounting or related fields and at least 3 years of professional experience in accounting. Familiarity with US GAAP and strong English communication skills are also required.

Experience Required
Minimum 5 year(s)

Freelance Hard Surface Artist [Black Budget] at KRAFTON INDIA

Amsterdam, North Holland, Netherlands - Full Time

Skills Needed
Hard Surface Art, Realistic Weapons, Futuristic Weapons, Mechanical Props, Artifacts, Utilities, Plasticity, Fusion, Maya, 3ds Max, Blender

Specialization
Candidates should have experience in hard surface art and be familiar with tools like Plasticity, Fusion, Maya, 3DS Max, and Blender. A portfolio showcasing relevant work is required.

Experience Required
Minimum 2 year(s)

Formateur Freelance — Chauffeurs Poids Lourds at Y Strategie

Casablanca, Casablanca-Settat, Morocco - Full Time

Skills Needed
Heavy Goods Vehicle Driving, Operational Coaching, Performance Evaluation, Safety Standards, Eco Driving, Cost Optimization, Field Training, Post Training Assessment, Reporting, Pedagogy, Authority, Observation Skills, Analytical Skills, Logistics, Transport Management, Independent Contractor

Specialization
Candidates must be former heavy goods vehicle drivers or recognized experts in road transport with confirmed experience in field training or coaching. Essential qualities include strong operational credibility with drivers, the ability to provide pedagogical yet authoritative feedback, and excellent observation and analytical writing skills.

Experience Required
Minimum 5 year(s)

Freelance Accounting Consultant - AI Trainer at Mindrift

, , Finland - Full Time

Skills Needed
Accounting, Auditing, Financial Accounting, Critical Thinking, Creativity, English Proficiency, Data Analysis, Synthesis, Complex Problem Solving, Communication, Project Management, Generative Ai, Domain Expertise, Us Gaap Familiarity, Consulting, Research

Specialization
Candidates must have a Bachelor’s or Master’s Degree in Accounting or related fields and at least 3 years of professional experience in accounting. Familiarity with US GAAP standards and strong English proficiency are also required.

Experience Required
Minimum 5 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

Madrid, Community of Madrid, Spain - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Specialization
Candidates must hold a Master’s or PhD in a quantitative field with at least 5 years of hands-on data science experience demonstrating business impact, alongside proficiency in Python data science libraries and expert statistical analysis. Required technical skills include proficiency in SQL, experience with GenAI technologies like LLMs and RAG, and knowledge of MLOps practices and modern frameworks.

Experience Required
Minimum 5 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

Barcelona, Catalonia, Spain - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Experience Required
Minimum 5 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

, , Spain - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Specialization
Candidates must hold a Master’s or PhD in a quantitative field with at least 5 years of hands-on data science experience demonstrating business impact, alongside a portfolio of completed projects. Proficiency in Python for data science, expert statistical analysis, machine learning, and SQL is mandatory, along with experience in GenAI technologies.

Experience Required
Minimum 5 year(s)

Freelance Onsite IT Support Technician ( m/w/d) at EVERIENCE

Frankfurt, Hesse, Germany - Full Time

Skills Needed
Itsm Tool Management, Servicenow, Onsite Interventions, Device Replacement, Equipment Configuration, Meeting Room Management, It Stock Management, Cmdb Update, Software Installation, Patch Management, Active Directory (Ad), User Account Management, Printer Coordination, Lifecycle Management, Cybersecurity Awareness, Microsoft Teams

Specialization
Candidates must have 2-5 years of experience and be fluent in both English and German to fulfill the role's requirements. Key duties include managing IT infrastructure components, user accounts via Active Directory, and coordinating with cybersecurity teams on patch management.

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

Hyderabad, Telangana, India - Full Time

Skills Needed
Physics, Python, Ai Training, Numpy, Pandas, Scipy, Data Validation, Problem Design, Ai Evaluation, Reasoning Improvement, Scoring Criteria, Statistical Mechanics, Optics, Acoustics

Specialization
Candidates must possess a degree in Physics or related fields and have at least 3 years of professional physics experience, coupled with strong Python proficiency for numerical validation. Strong written English proficiency (C1/C2) is also required for this part-time, non-permanent project role.

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

New Delhi, delhi, India - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai System Evaluation, Ai System Improvement, Problem Design, Calculation Validation, Simulation Validation, English Proficiency

Specialization
Candidates must possess a degree in Physics or a related field and have at least 3 years of professional physics experience, coupled with strong proficiency in Python for numerical validation. Strong written English skills (C1/C2 level) are also required for this part-time, non-permanent project role.

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

Johannesburg, Gauteng, South Africa - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai Evaluation, Ai Improvement, Problem Design, Calculation Validation, Simulation Validation

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

Cape Town, Western Cape, South Africa - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai Training, Data Validation, Problem Design, Ai Evaluation, Simulation Validation

Experience Required
Minimum 2 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

, , Singapore - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Specialization
Candidates must hold a Master’s or PhD in a quantitative field with at least 5 years of hands-on data science experience, proficiency in Python data science libraries, expert statistical analysis skills, and proficiency in SQL. Experience with GenAI technologies, MLOps, and modern frameworks like TensorFlow or PyTorch is also required.

Experience Required
Minimum 5 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

, , Spain - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai System Evaluation, Ai System Improvement, Problem Design, Calculation Validation, Simulation Validation, English Proficiency

Specialization
Candidates must possess a degree in Physics or related fields and have at least 3 years of professional physics experience, coupled with strong Python proficiency for numerical validation. Strong written English skills (C1/C2) are also required for this freelance, part-time opportunity.

Experience Required
Minimum 2 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

Buenos Aires, , Argentina -

Full Time

Start Date

Immediate

Expiry Date

25 May, 26

Salary

21.0

Posted On

24 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Python, SQL, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, GenAI, LLMs, RAG, Prompt Engineering

Industry

technology;Information and Internet

Description

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What we do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. About the Role GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as a Data Science AI Trainer, you’ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare). Create problems requiring Python programming to solve (using pandas, numpy, scipy, sklearn, statsmodels, matplotlib, seaborn). Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks). Develop problems requiring non-trivial reasoning chains in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction. Create deterministic problems with reproducible answers: avoid stochastic elements or require fixed random seeds for exact reproducibility. Base problems on real business challenges: customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Design end-to-end problems spanning the complete data science pipeline (data ingestion → cleaning → EDA → modeling → validation → deployment considerations). Incorporate big data processing scenarios requiring scalable computational approaches. Verify solutions using Python with standard data science libraries and statistical methods. Document problem statements clearly with realistic business contexts and provide verified correct answers. How to get started Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you’ll help shape the future of AI while ensuring technology benefits everyone. You hold a Master’s or PhD Degree in Data Science, Statistics, Mathematics, Computer Science, or related quantitative field. You have at least 5 years of hands-on data science experience with proven business impact. You have portfolio of completed projects and publications showcasing real-world problem-solving. You are proficient in python programming for data science (pandas, numpy, scipy, scikit-learn, statsmodels). You are an expert in statistical analysis and machine learning with deep understanding of algorithms, methods, and their practical applications. You are proficient in SQL and database operations for data manipulation and analysis. You have experience with GenAI technologies (LLMs, RAG, prompt engineering, vector databases). You have good understanding of MLOps practices and model deployment workflows. You possess knowledge of modern frameworks (TensorFlow, PyTorch, LangChain). Your level of English is advanced (C1) or above. You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines. Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge. Why this freelance opportunity might be a great fit for you? Get paid for your expertise, with rates that can go up to $21/hour depending on your skills, experience, and project needs. Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments. Work on advanced AI projects and gain valuable experience that enhances your portfolio. Influence how future AI models understand and communicate in your field of expertise.

How To Apply:

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Responsibilities

The role involves designing original computational data science problems simulating real-world analytical workflows across various industries, requiring Python programming to solve complex, computationally intensive tasks. Responsibilities also include verifying solutions, documenting problem statements clearly with business contexts, and providing verified correct answers.

Freelance Data Science Engineer (Python & SQL) at Mindrift

Buenos Aires, , Argentina - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Experience Required
Minimum 5 year(s)

Freelance Annotator (Portuguese) - AI Trainer at Toloka Annotators

Lisbon, , Portugal - Full Time

Skills Needed
Attention To Detail, Logical Thinking, Fact Checking, Reasoning Abilities, Communication Skills, Interest In Technology, Interest In Artificial Intelligence

AI Trainer - Freelance Annotator (Portuguese) at Toloka Annotators

, Scotland, United Kingdom - Full Time

Skills Needed
Portuguese, English, Data Review, Labeling, Classification, Fact Checking, Logical Thinking, Attention To Detail, Following Instructions, Communication

Freelance Annotator (Portuguese) - AI Trainer at Toloka Annotators

Porto, , Portugal - Full Time

Skills Needed
Attention To Detail, Logical Thinking, Fact Checking, Reasoning Abilities, Communication Skills, Technology Interest, Artificial Intelligence

Freelance Data Science Engineer (Python & SQL) at Mindrift

, Scotland, United Kingdom - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Experience Required
Minimum 5 year(s)

AI Pilot Task Delivery Assistant (Freelance) at Mindrift

, , Argentina - Full Time

Skills Needed
Web Searching, Fact Checking, Data Annotation, Attention To Detail, Research, Editing, Analysis, Ai Collaboration

Freelance Accounting Consultant - AI Trainer at Mindrift

, England, United Kingdom - Full Time

Experience Required
Minimum 5 year(s)

Freelance Hard Surface Artist [Black Budget] at KRAFTON INDIA

Amsterdam, North Holland, Netherlands - Full Time

Skills Needed
Hard Surface Art, Realistic Weapons, Futuristic Weapons, Mechanical Props, Artifacts, Utilities, Plasticity, Fusion, Maya, 3ds Max, Blender

Specialization
Candidates should have experience in hard surface art and be familiar with tools like Plasticity, Fusion, Maya, 3DS Max, and Blender. A portfolio showcasing relevant work is required.

Experience Required
Minimum 2 year(s)

Formateur Freelance — Chauffeurs Poids Lourds at Y Strategie

Casablanca, Casablanca-Settat, Morocco - Full Time

Experience Required
Minimum 5 year(s)

Freelance Accounting Consultant - AI Trainer at Mindrift

, , Finland - Full Time

Specialization
Candidates must have a Bachelor’s or Master’s Degree in Accounting or related fields and at least 3 years of professional experience in accounting. Familiarity with US GAAP standards and strong English proficiency are also required.

Experience Required
Minimum 5 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

Madrid, Community of Madrid, Spain - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Specialization
Candidates must hold a Master’s or PhD in a quantitative field with at least 5 years of hands-on data science experience demonstrating business impact, alongside proficiency in Python data science libraries and expert statistical analysis. Required technical skills include proficiency in SQL, experience with GenAI technologies like LLMs and RAG, and knowledge of MLOps practices and modern frameworks.

Experience Required
Minimum 5 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

Barcelona, Catalonia, Spain - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Experience Required
Minimum 5 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

, , Spain - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Specialization
Candidates must hold a Master’s or PhD in a quantitative field with at least 5 years of hands-on data science experience demonstrating business impact, alongside a portfolio of completed projects. Proficiency in Python for data science, expert statistical analysis, machine learning, and SQL is mandatory, along with experience in GenAI technologies.

Experience Required
Minimum 5 year(s)

Freelance Onsite IT Support Technician ( m/w/d) at EVERIENCE

Frankfurt, Hesse, Germany - Full Time

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

Hyderabad, Telangana, India - Full Time

Skills Needed
Physics, Python, Ai Training, Numpy, Pandas, Scipy, Data Validation, Problem Design, Ai Evaluation, Reasoning Improvement, Scoring Criteria, Statistical Mechanics, Optics, Acoustics

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

New Delhi, delhi, India - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai System Evaluation, Ai System Improvement, Problem Design, Calculation Validation, Simulation Validation, English Proficiency

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

Johannesburg, Gauteng, South Africa - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai Evaluation, Ai Improvement, Problem Design, Calculation Validation, Simulation Validation

Experience Required
Minimum 2 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

Cape Town, Western Cape, South Africa - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai Training, Data Validation, Problem Design, Ai Evaluation, Simulation Validation

Experience Required
Minimum 2 year(s)

Freelance Data Science Engineer (Python & SQL) at Mindrift

, , Singapore - Full Time

Skills Needed
Python, Sql, Data Science, Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, Statistical Analysis, Machine Learning, Genai, Llms, Rag, Prompt Engineering

Experience Required
Minimum 5 year(s)

Physicist with Python - Freelance AI Trainer at Mindrift

, , Spain - Full Time

Skills Needed
Python, Physics, Numpy, Pandas, Scipy, Ai System Evaluation, Ai System Improvement, Problem Design, Calculation Validation, Simulation Validation, English Proficiency

Specialization
Candidates must possess a degree in Physics or related fields and have at least 3 years of professional physics experience, coupled with strong Python proficiency for numerical validation. Strong written English skills (C1/C2) are also required for this freelance, part-time opportunity.

Experience Required
Minimum 2 year(s)