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Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
Valencia, Valencian Community, Spain - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Prompt Engineering, Mlops
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical modeling. Candidates must demonstrate a strong background in machine learning, MLOps, and GenAI technologies with C1+ English proficiency.
Experience Required
Minimum 5 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, Ontario, Canada - Full Time
Skills Needed
Python, Civil Engineering, Numerical Methods, System Design, Optimization, Numpy, Pandas, Scipy, Matlab, R, C, Sql, Stata, Computational Engineering, Technical Writing, English Proficiency
Specialization
Requires a degree in Civil Engineering or a related field with at least 2 years of professional, research, or teaching experience. Proficiency in Python for numerical validation and strong written English (C1+) are essential.
Experience Required
Minimum 2 year(s)
Material Scientist with Python - Freelance AI Trainer at Mindrift
, , New Zealand - Full Time
Skills Needed
Material Science, Python, Numerical Methods, Engineering Simulations, System Design, Optimization, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata, Data Analysis
Specialization
Candidates must hold a degree in Material Science or a related field and possess at least 2 years of professional experience. Proficiency in Python for engineering calculations and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
, Alabama, United States - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Mlops, Data Science
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical modeling. Candidates must demonstrate a strong portfolio and the ability to create complex, end-to-end data science problems.
Experience Required
Minimum 5 year(s)
Ingénieur sécurité (H/F) - Freelance - Montreuil 93 at Groupe Artemys
Paris, Ile-de-France, France - Full Time
Skills Needed
Firewall Maintenance, Incident Management, Network Security Support, Palo Alto, Fortinet, Check Point, English Proficiency, Technical Writing
Specialization
Requires a minimum of 3 years of experience in challenging environments, specifically working with major corporate clients. Candidates must have conversational English and strong rigor, agility, and proactivity.
Experience Required
Minimum 2 year(s)
Conference Helpers (Freelance) (Several Posts) (N&HS) at Open University of Hong Kong
, Hong Kong, China - Full Time
Skills Needed
Communication, Customer Service, Event Logistics, Crowd Control, Registration Management, Teamwork, English, Chinese, Putonghua, Problem Solving
Specialization
Candidates must be full-time undergraduates with strong communication skills in English and Chinese. Applicants should be punctual, polite, and capable of working effectively within a team environment.
Material Scientist with Python - Freelance AI Trainer at Mindrift
, , Finland - Full Time
Skills Needed
Python, Material Science, Engineering, Numerical Methods, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Requires a degree in Material Science or a related field and at least 2 years of professional experience. Candidates must demonstrate proficiency in Python and possess strong written English skills at a C1 level or higher.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Philippines - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Material Scientist with Python - Freelance AI Trainer at Mindrift
, , Portugal - Full Time
Skills Needed
Python, Material Science, Engineering, Numerical Methods, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Material Science or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Legal Advisor (US Bar Admitted) - Freelance AI Trainer at Mindrift
, , Austria - Full Time
Skills Needed
Us Law, Legal Research, Ai Prompt Engineering, Ai Evaluation, Logic Analysis, Problem Solving, Written English, Legal Practice
Specialization
Candidates must hold a law degree (Bachelor, J.D., LLM, or FLLM) within the US context and possess at least 2 years of legal practice experience in a US jurisdiction. Proficiency in written English at a C1/C2 level is required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Chile - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , France - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, Sql, Numpy, Pandas, Scipy, Stata, Engineering Simulations
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Colombia - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Numpy, Pandas, Scipy, Matlab, R, Sql, Stata, Engineering Simulations
Specialization
Requires a degree in Civil Engineering or a related field and at least 2 years of professional experience. Candidates must possess strong Python proficiency and C1+ level English communication skills.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Romania - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Spain - Full Time
Skills Needed
Python, Civil Engineering, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Low-Code Automation Engineer - Freelance AI Trainer at Mindrift
Porto, , Portugal - Full Time
Skills Needed
Make.Com, N8n, Javascript, Workflow Automation, Api Integration, Webhooks, Airtable, Google Sheets, Notion, Data Synchronization, Error Handling, System Architecture, Generative Ai, Performance Optimization, Saas Integration
Specialization
Requires at least 3 years of experience in low-code/no-code automation and strong proficiency in APIs, webhooks, and data exchange formats. Candidates must have upper-intermediate English proficiency and the ability to work independently on workflow troubleshooting.
Experience Required
Minimum 2 year(s)
Low-Code Automation Engineer - Freelance AI Trainer at Mindrift
, , Hungary - Full Time
Skills Needed
Make.Com, N8n, Javascript, Api Integration, Webhooks, Workflow Automation, Airtable, Google Sheets, Notion, Data Synchronization, Error Handling, Json, Saas Integration, Performance Optimization, Automation Architecture
Specialization
Requires at least 3 years of experience in low-code/no-code automation and strong proficiency in APIs, webhooks, and JavaScript. Candidates must have upper-intermediate English skills and a proven ability to manage complex, scalable automation workflows.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Hungary - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, Sql, Numpy, Pandas, Scipy, Stata, Technical Documentation
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
, Victoria, Australia - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Prompt Engineering, Mlops
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical analysis. Candidates should have a portfolio showcasing real-world problem-solving and experience with GenAI technologies.
Experience Required
Minimum 5 year(s)
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
, New South Wales, Australia - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Mlops, Data Science
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical modeling. Candidates should have a strong background in machine learning, MLOps, and experience with GenAI technologies.
Experience Required
Minimum 5 year(s)
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
Valencia, Valencian Community, Spain -
Full Time

Start Date

Immediate

Expiry Date

16 Jul, 26

Salary

34.0

Posted On

17 Apr, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Python, SQL, Pandas, Numpy, Scipy, Scikit-learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, GenAI, LLMs, RAG, Prompt Engineering, MLOps

Industry

technology;Information and Internet

Description
Please submit your CV in English and indicate your level of English proficiency. 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 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 What we look for This opportunity is a good fit for Data Science specialists with an experience in python open to part-time, non-permanent projects. Ideally, contributors will have: 5+ years of hands-on data science 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 $34 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.

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Responsibilities
Design original, computationally intensive data science problems that simulate real-world business analytical workflows. Verify solutions using Python and standard data science libraries while ensuring clear documentation and reproducible results.
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
Valencia, Valencian Community, Spain - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Prompt Engineering, Mlops
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical modeling. Candidates must demonstrate a strong background in machine learning, MLOps, and GenAI technologies with C1+ English proficiency.
Experience Required
Minimum 5 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, Ontario, Canada - Full Time
Skills Needed
Python, Civil Engineering, Numerical Methods, System Design, Optimization, Numpy, Pandas, Scipy, Matlab, R, C, Sql, Stata, Computational Engineering, Technical Writing, English Proficiency
Specialization
Requires a degree in Civil Engineering or a related field with at least 2 years of professional, research, or teaching experience. Proficiency in Python for numerical validation and strong written English (C1+) are essential.
Experience Required
Minimum 2 year(s)
Material Scientist with Python - Freelance AI Trainer at Mindrift
, , New Zealand - Full Time
Skills Needed
Material Science, Python, Numerical Methods, Engineering Simulations, System Design, Optimization, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata, Data Analysis
Specialization
Candidates must hold a degree in Material Science or a related field and possess at least 2 years of professional experience. Proficiency in Python for engineering calculations and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
, Alabama, United States - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Mlops, Data Science
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical modeling. Candidates must demonstrate a strong portfolio and the ability to create complex, end-to-end data science problems.
Experience Required
Minimum 5 year(s)
Ingénieur sécurité (H/F) - Freelance - Montreuil 93 at Groupe Artemys
Paris, Ile-de-France, France - Full Time
Skills Needed
Firewall Maintenance, Incident Management, Network Security Support, Palo Alto, Fortinet, Check Point, English Proficiency, Technical Writing
Specialization
Requires a minimum of 3 years of experience in challenging environments, specifically working with major corporate clients. Candidates must have conversational English and strong rigor, agility, and proactivity.
Experience Required
Minimum 2 year(s)
Conference Helpers (Freelance) (Several Posts) (N&HS) at Open University of Hong Kong
, Hong Kong, China - Full Time
Skills Needed
Communication, Customer Service, Event Logistics, Crowd Control, Registration Management, Teamwork, English, Chinese, Putonghua, Problem Solving
Specialization
Candidates must be full-time undergraduates with strong communication skills in English and Chinese. Applicants should be punctual, polite, and capable of working effectively within a team environment.
Material Scientist with Python - Freelance AI Trainer at Mindrift
, , Finland - Full Time
Skills Needed
Python, Material Science, Engineering, Numerical Methods, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Requires a degree in Material Science or a related field and at least 2 years of professional experience. Candidates must demonstrate proficiency in Python and possess strong written English skills at a C1 level or higher.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Philippines - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Material Scientist with Python - Freelance AI Trainer at Mindrift
, , Portugal - Full Time
Skills Needed
Python, Material Science, Engineering, Numerical Methods, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Material Science or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Legal Advisor (US Bar Admitted) - Freelance AI Trainer at Mindrift
, , Austria - Full Time
Skills Needed
Us Law, Legal Research, Ai Prompt Engineering, Ai Evaluation, Logic Analysis, Problem Solving, Written English, Legal Practice
Specialization
Candidates must hold a law degree (Bachelor, J.D., LLM, or FLLM) within the US context and possess at least 2 years of legal practice experience in a US jurisdiction. Proficiency in written English at a C1/C2 level is required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Chile - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , France - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, Sql, Numpy, Pandas, Scipy, Stata, Engineering Simulations
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Colombia - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Numpy, Pandas, Scipy, Matlab, R, Sql, Stata, Engineering Simulations
Specialization
Requires a degree in Civil Engineering or a related field and at least 2 years of professional experience. Candidates must possess strong Python proficiency and C1+ level English communication skills.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Romania - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Spain - Full Time
Skills Needed
Python, Civil Engineering, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, C, Sql, Numpy, Pandas, Scipy, Stata
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Low-Code Automation Engineer - Freelance AI Trainer at Mindrift
Porto, , Portugal - Full Time
Skills Needed
Make.Com, N8n, Javascript, Workflow Automation, Api Integration, Webhooks, Airtable, Google Sheets, Notion, Data Synchronization, Error Handling, System Architecture, Generative Ai, Performance Optimization, Saas Integration
Specialization
Requires at least 3 years of experience in low-code/no-code automation and strong proficiency in APIs, webhooks, and data exchange formats. Candidates must have upper-intermediate English proficiency and the ability to work independently on workflow troubleshooting.
Experience Required
Minimum 2 year(s)
Low-Code Automation Engineer - Freelance AI Trainer at Mindrift
, , Hungary - Full Time
Skills Needed
Make.Com, N8n, Javascript, Api Integration, Webhooks, Workflow Automation, Airtable, Google Sheets, Notion, Data Synchronization, Error Handling, Json, Saas Integration, Performance Optimization, Automation Architecture
Specialization
Requires at least 3 years of experience in low-code/no-code automation and strong proficiency in APIs, webhooks, and JavaScript. Candidates must have upper-intermediate English skills and a proven ability to manage complex, scalable automation workflows.
Experience Required
Minimum 2 year(s)
Civil Engineer & Python Expert - Freelance AI Trainer at Mindrift
, , Hungary - Full Time
Skills Needed
Civil Engineering, Python, Numerical Methods, Computational Engineering, System Design, Optimization, Data Analysis, Matlab, R, Sql, Numpy, Pandas, Scipy, Stata, Technical Documentation
Specialization
Candidates must hold a degree in Civil Engineering or a related field and possess at least 2 years of professional experience. Proficiency in Python for numerical validation and strong written English skills are required.
Experience Required
Minimum 2 year(s)
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
, Victoria, Australia - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Prompt Engineering, Mlops
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical analysis. Candidates should have a portfolio showcasing real-world problem-solving and experience with GenAI technologies.
Experience Required
Minimum 5 year(s)
Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift
, New South Wales, Australia - Full Time
Skills Needed
Python, Sql, Pandas, Numpy, Scipy, Scikit Learn, Statsmodels, Matplotlib, Seaborn, Machine Learning, Statistical Analysis, Genai, Llms, Rag, Mlops, Data Science
Specialization
Requires 5+ years of hands-on data science experience with expert proficiency in Python, SQL, and statistical modeling. Candidates should have a strong background in machine learning, MLOps, and experience with GenAI technologies.
Experience Required
Minimum 5 year(s)