Material Scientist with Python - Freelance AI Trainer

MindriftRemote — South Korea

Remote Part-time $35/hr - $35/hr

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Experience Level

Experience

Qualifications

Qualifications:Degree in Material Science or a related field;Proficient in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries is acceptable;2+ years of relevant experience in applied, research, or teaching settings;Deep understanding of practical engineering constraints and approximations;Strong command of written English (C1+).

About the job

Please submit your CV in English and specify your English proficiency level.

Mindrift offers freelance, project-based work for professionals skilled in materials science and Python. Assignments focus on assessing and improving AI systems for leading technology companies. This is not a permanent position, but rather a flexible opportunity to contribute expertise on a per-project basis.

Role overview

Material Scientists with Python experience will design and validate engineering challenges for AI projects. Tasks change from project to project, but often include:

Creating materials engineering problems that mirror real-world scenarios
Developing tasks requiring Python programming for simulations or calculations
Ensuring challenges involve computationally intensive work, such as using numerical methods or iterative solutions
Formulating problems focused on system design, optimization, or analytical techniques
Basing assignments on current research topics or practical engineering cases
Validating solutions using Python and standard engineering libraries
Documenting problem statements and providing clear, accurate solutions

Requirements

Degree in Material Science or a related discipline
Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is a plus
At least 2 years of relevant experience in industry, research, or education
Solid grasp of practical engineering constraints and approximations
Excellent written English (C1 level or above)

How the process works

Apply
Pass qualification(s)
Join a project
Complete assigned tasks
Receive payment

Time commitment

Expect to spend about 10 to 20 hours per week during active project periods. Actual hours depend on project needs and may vary outside of assigned phases.

Compensation

Contributors can earn up to $35 per hour, depending on skills, speed, and project complexity. Rates may differ for other assignments on the platform based on their requirements.

Location: Remote , South Korea

About Mindrift

Mindrift is dedicated to bridging the gap between specialists and cutting-edge AI opportunities for leading technology companies, emphasizing the testing, evaluation, and enhancement of AI systems.

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Material Scientist with Python - Freelance AI Trainer

Mindrift

Part-time|$35/hr - $35/hr|Remote|Remote — South Korea

Please submit your CV in English and specify your English proficiency level. Mindrift offers freelance, project-based work for professionals skilled in materials science and Python. Assignments focus on assessing and improving AI systems for leading technology companies. This is not a permanent position, but rather a flexible opportunity to contribute expert…

Apr 24, 2026

Apply

Material Scientist with Python Expertise - Freelance AI Trainer

Toloka AI

Part-time|$35/hr - $35/hr|Remote|Remote — South Korea

We invite you to submit your CV in English, clearly indicating your level of English proficiency.At Mindrift, we bridge the gap between specialists and project-based AI opportunities for prominent technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Opportunity Overview:Each project encompasses distinct tasks; however, contributors may:Craft original material engineering problems that replicate authentic engineering workflows;Develop challenges that necessitate Python programming for solving engineering calculations and simulations;Ensure that problems are computationally demanding and require numerical methods or iterative solutions;Design problems focused on system design, optimization, and analysis;Base problems on real-world research challenges or practical applications from the engineering field;Utilize Python with established engineering libraries to verify solutions;Clearly document problem statements and provide verified correct answers.Qualifications Sought:This role is ideal for material scientists and engineers with Python experience, who are open to part-time, non-permanent roles. Candidates should possess:A degree in Material Science or a related discipline;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or knowledge of any programming language is acceptable;A minimum of 2 years of professional experience, including applied, research, or teaching experience;An understanding of practical engineering constraints and approximations;Strong written English skills (C1+).Project Participation Process:Apply → Pass qualifications → Join a project → Complete tasks → Receive compensationProject Time Commitment:Tasks are estimated to require approximately 10–20 hours per week during active phases, based on project needs. This is an estimate and not a guaranteed workload during project activity.Compensation:Contributors can earn up to $35 per hour, contingent upon their level of expertise and pace of contribution. Compensation may vary across projects, depending on their scope, complexity, and required expertise, and other projects on the platform may offer different earning levels.

May 2, 2026

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Quantum Research Scientist with Python Expertise - Freelance AI Trainer

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To apply, please submit your CV in English and specify your English proficiency level.Mindrift is a pioneering platform that connects talented specialists with exciting project-based AI opportunities offered by leading technology companies. Our primary focus is on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not involve permanent employment.Opportunity Overview:Each project presents unique challenges, and contributors may engage in the following tasks:Design innovative computational physics problems that emulate authentic physics research workflows;Create programming challenges requiring Python solutions (using libraries such as Numpy, SciPy, and Sympy);Ensure that problems are computationally demanding, requiring days or weeks to solve manually;Develop challenges that necessitate complex reasoning in fields such as mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base problems on real-world research issues or practical applications in physics;Validate solutions using Python with established physics simulation libraries;Clearly document problem statements and provide verified, accurate solutions.Candidate Profile:This position is ideal for quantum researchers with Python experience, who are interested in flexible part-time, non-permanent projects. Preferred qualifications include:A degree in Physics (Theoretical, Experimental, or Computational) or related fields;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries is acceptable;A minimum of 2 years of professional experience in applied research or teaching;Experience with numerical simulation methodologies;Ability to craft problems that reflect real physics research workflows;Creative problem-solving skills across various physics domains;Familiarity with physics modeling and approximation techniques;Strong written communication skills in English (C1 or higher).Application Process:Apply → Meet qualification requirements → Join a project → Complete tasks → Get compensatedProject Commitment:For this project, tasks are projected to require approximately 10-20 hours per week during active phases, depending on project needs. This estimate is not a guaranteed workload and applies only while the project is ongoing.Compensation:Contributors can earn up to $35 per hour, contingent upon experience and contribution pace. Note that compensation may vary across projects depending on their complexity and required expertise.

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We invite you to submit your CV in English, including your English proficiency level. At Mindrift, we specialize in connecting talented professionals with project-based AI opportunities at leading tech firms, with a strong focus on testing, evaluating, and enhancing AI systems. Please note that participation is on a project basis and does not constitute permanent employment.Opportunity OverviewEach project presents unique challenges, and contributors may be required to:Design innovative computational statistics problems that mimic authentic mathematical research workflows;Develop problems that necessitate Python programming to solve using libraries such as Numpy, SciPy, and Sympy;Create problems that are computationally demanding and cannot be feasibly solved manually within a reasonable timeframe (days/weeks);Formulate problems that involve complex reasoning in domains like number theory, combinatorics, graph theory, and numerical analysis;Base problems on actual research challenges or practical applications from mathematical practice;Verify solutions using Python with standard mathematical libraries;Clearly document problem statements and provide verified correct answers.Qualifications We SeekThis role is ideal for statistics experts with Python experience who are open to part-time, non-permanent projects. Ideal candidates will possess:A degree in Statistics or a related field;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any equivalent programming language is acceptable;At least 2 years of professional experience, whether in applied, research, or teaching roles;Excellent written English skills (C1+);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are considered advantageous.How the Process Works1. Apply → 2. Pass qualifications → 3. Join a project → 4. Complete tasks → 5. Get paidProject Time ExpectationsFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, based on project demands. This is an estimate and not a guaranteed workload, applicable only while the project is active.CompensationContributors can earn up to $39 per hour, subject to their contribution level and pace. Compensation may vary across projects based on scope, complexity, and expertise required. Please note that other projects on the platform may offer different earning levels based on their specifications.

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Freelance AI Trainer Specializing in Chemistry & Python

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Please submit your CV in English and include your English proficiency level. Mindrift connects skilled specialists with project-based AI work for top technology companies. This freelance role focuses on improving AI systems through careful problem creation, testing, and evaluation. The position is project-based and does not offer permanent employment. What you will do Create original computational chemistry problems that reflect real research workflows Design challenges requiring Python programming solutions, using libraries such as NumPy, SciPy, and chemistry-specific packages Develop problems that are computationally intensive and cannot be solved manually in a reasonable time Write tasks involving advanced reasoning in areas like physical chemistry, quantum chemistry, and molecular modeling Ensure problems relate to actual research challenges or practical chemistry applications Validate solutions using Python and standard computational chemistry methods Document problem statements clearly and provide verified correct answers Requirements Degree in Chemistry or a closely related field Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or similar languages is acceptable At least 2 years of relevant experience (applied, research, or teaching) Understanding of numerical methods in chemistry Knowledge of computational chemistry concepts and methods Strong written English skills (C1 level or higher) Project details Part-time, non-permanent, project-based work Estimated 10–20 hours per week during active project phases (actual workload may vary) Compensation Earn up to $35 per hour, depending on experience and contribution speed. Pay rates vary by project and reflect the scope, complexity, and required expertise. Application process Apply Pass qualifications Join a project Complete assigned tasks Receive payment

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Freelance AI Trainer - Physics Specialist with Python Expertise

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Please submit your CV in English, including your proficiency level in English.At Toloka AI, we connect talented specialists with exciting project-based AI opportunities for leading technology companies. Our focus is on testing, evaluating, and enhancing AI systems. This role is project-based and does not constitute permanent employment.What You Will Do:As a contributor, you will engage in unique tasks tailored to each project, including:Crafting original computational physics problems that emulate real-world physics research workflows;Designing problems that necessitate Python programming solutions (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring that the problems are computationally demanding and cannot be solved manually in a reasonable timeframe (e.g., days or weeks);Creating problems that require complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in actual research challenges or practical applications from the field of physics;Validating solutions using Python and standard physics simulation libraries;Documenting problem statements in detail and providing verified correct solutions.Who We Are Looking For:We seek individuals with a strong background in physics and Python, willing to engage in part-time, non-permanent projects. Ideally, candidates should possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation, with knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other programming languages being acceptable;A minimum of 2 years of professional experience in applied research or teaching;Experience with numerical simulation methods;The ability to design problems reflective of genuine physics research workflows;Creative problem-solving skills across various physics disciplines;Familiarity with physics modeling and approximation techniques;Exceptional written English skills (C1 or higher).How the Process Works:Apply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject Expectations:For this project, it is estimated that you will need to commit approximately 10–20 hours per week during active phases, based on the specific project requirements. This is an estimate and not a guaranteed workload.Compensation:Participants can earn up to $35 per hour, depending on their expertise and contribution pace. Compensation may vary across projects based on scope, complexity, and required expertise. Please be aware that other projects on our platform may offer different earning potentials.

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Freelance Optical Engineer with Python Expertise - AI Trainer

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Freelance Electrical Engineer & Python Specialist - AI Training

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Mindrift connects specialists with project-based AI work for leading technology companies. The company focuses on testing, evaluating, and improving AI systems. All positions are project-based and do not offer permanent employment. Role overview This freelance, remote role based in South Korea calls for a supply chain consultant with hands-on experience in procurement and manufacturing. The main focus is to use real-world expertise to create realistic supply chain disruption scenarios, outline expected outcomes and mitigation steps, and review AI-generated recommendations for accuracy and business relevance. What you will do Create supply chain disruption scenarios based on actual manufacturing and procurement challenges, such as supplier delays, quantity changes, logistics problems, or quality failures. Define likely outcomes and practical mitigation strategies for each scenario. Evaluate AI-generated solutions using established business logic. Assess AI outputs for accuracy, completeness, and relevance within ERP systems (including Microsoft Dynamics 365, Coupa, Jaggaer, Ariba/SAP). Contribute to the development and validation of structured data following set guidelines and frameworks. Requirements Minimum of 4 years of hands-on experience in procurement, supply chain management, or purchasing, ideally in manufacturing. In-depth understanding of procurement workflows, including purchase orders, vendor management, inventory, and production planning. Direct experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365. Ability to design and analyze supply chain disruption scenarios and related mitigation strategies. Strong knowledge of disruption types: delays, shortages, quality issues, and logistics challenges. Familiarity with Incoterms and transportation or logistics management. Understanding of Bill of Materials (BOM) and production planning processes. Experience evaluating supplier performance metrics (e.g., OTIF, lead times, quality scores). Strong analytical skills for reviewing AI outputs against real business logic. Background in data validation, structured data entry, or annotation tasks. Excellent written English communication skills. Project commitment Expect to work 10-20 hours per week during active project phases. Actual workload may vary and is not guaranteed outside of these periods. Compensation Compensation is up to $50 per hour, depending on experience and project fit. How to apply Submit your application. Complete qualifications. Join a project. Carry out assigned tasks. Receive compensation.

Apr 24, 2026

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Freelance Supply Chain Consultant - AI Trainer

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Contract|$50/hr - $50/hr|Remote|Remote — South Korea

Mindrift bridges the gap between talented specialists and project-based AI opportunities, partnering with leading technology companies dedicated to testing, evaluating, and enhancing AI systems. This is a project-based collaboration, not a permanent position.Role OverviewAs a Supply Chain Consultant specializing in Procurement, you will leverage your extensive experience to craft realistic disruption scenarios, define expected outcomes and mitigation strategies, and critically assess AI-generated recommendations for their accuracy, completeness, and relevance to business needs.Key ResponsibilitiesContributors may engage in a variety of tasks, including:Creating realistic supply chain disruption scenarios, such as supplier delays, quantity changes, logistics challenges, and quality failures, based on real-world manufacturing and procurement experiences.Establishing expected outcomes and formulating appropriate mitigation strategies for each scenario.Evaluating AI-generated responses and recommendations against established business logic.Assessing outputs for accuracy, completeness, and relevance, particularly within ERP environments like Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP).Contributing to structured data creation and validation tasks according to defined guidelines.QualificationsAt least 4 years of practical experience in procurement, supply chain, or purchasing, preferably within a manufacturing context.Thorough understanding of procurement workflows, including purchase orders, vendor management, inventory control, and production planning.Hands-on experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365.Proven capability to design and analyze supply chain disruption scenarios and mitigation strategies.Comprehensive understanding of disruption types, including delays, shortages, quality issues, and logistical challenges.Knowledge of Incoterms and transportation/logistics management principles.Familiarity with Bill of Materials (BOM) structures and production planning processes.Experience with supplier performance metrics such as On-Time In-Full (OTIF), lead times, and quality scores.Analytical mindset capable of evaluating AI outputs against practical business logic.Experience in data validation, structured data entry, or annotation tasks.Excellent written communication skills in English.Project Engagement ProcessTo participate, you will:Apply → Complete qualifications → Join a project → Fulfill tasks → Receive payment.Estimated CommitmentThis project is expected to require approximately 10-20 hours per week during active phases, depending on project needs. This is an estimate and not a guaranteed workload during the project's active period.CompensationParticipants can earn up to $50 per hour, depending on experience and project complexity.

May 2, 2026

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Freelance Data Scraping Engineer (Python)

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Contract|Remote|Remote — South Korea

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May 1, 2026

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Contract|$18/hr - $18/hr|Remote|Remote — South Korea

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Apr 28, 2026

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Freelance AI Trainer - Korean Language Specialist

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Contract|$8/hr - $65/hr|Remote|South Korea

Are you a fluent Korean speaker excited to influence the landscape of artificial intelligence? As large-scale language models transition from simple chatbots to sophisticated engines of linguistic and cultural comprehension, your contributions can help create high-quality training data. This data is essential for democratizing education, expediting research, and enhancing global communication across diverse languages and contexts. We need your linguistic expertise to power the next generation of AI. We are searching for individuals who possess a deep understanding of the intricacies of grammar, usage, spelling, tone, and cultural context in both formal and informal Korean. Your role will involve challenging advanced AI models by addressing linguistic edge cases, cultural nuances, translation ambiguities, and variations in phrasing. You'll document model shortcomings and provide clear guidance for improvements. On an average day, your responsibilities will include engaging in text-based exchanges with the AI model, assessing its responses for correctness and fluency, annotating linguistic patterns, testing comprehension across various Korean language inputs, and suggesting enhancements to prompts and evaluation techniques. Ideal candidates have a background in linguistics, translation, writing, localization, or education. Previous experience in Korean language instruction, editing, or quality assurance will be considered a significant asset. Clear communication and a thoughtful approach to language—explaining not only what is correct but also the reasoning behind it—are crucial. Are you ready to leverage your Korean fluency to help shape the future of AI? Apply now and play a vital role in training the model that will educate the world.

Feb 17, 2026

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