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Computer Science Specialist with Python Expertise - AI Projects at Toloka-AI

Toloka-AI

Full-time|Remote|Remote — Queensland, Australia

Toloka-AI seeks a Computer Science Specialist with advanced Python skills to contribute to AI projects for the Mindrift platform. This remote role is open to candidates based in Queensland, Australia. Key responsibilities Use Python to develop and enhance AI technologies for the Mindrift platform. Work closely with team members to strengthen platform feature…

Apr 25, 2026

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Senior Consultant - Freelance AI Project at toloka-ai

toloka-ai

Contract|Remote|Remote — Queensland, Australia

toloka-ai seeks a Senior Consultant for a freelance AI project. This remote position is open to candidates based in Queensland, Australia. The role centers on supporting strategic initiatives and contributing insights that help shape the company’s AI solutions. Role overview This position calls for a consultant with experience at MBB (McKinsey, BCG, Bain) or other leading consulting firms. The focus is on advising AI projects and influencing their direction through strategic guidance. Key responsibilities Advise on major strategic decisions for AI initiatives Apply consulting expertise to guide project direction Offer actionable insights to develop AI offerings Requirements Background at MBB or another top-tier consulting firm Strong experience in strategic consulting Comfort working independently as a freelancer

Apr 28, 2026

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Freelance Civil Engineer and Python Specialist - AI Training Expert

Toloka AI

Contract|Remote|Remote — Queensland, Australia

Toloka AI seeks a Freelance Civil Engineer and Python Specialist for contract work on AI training projects. This remote position is open to candidates located in Queensland, Australia. The role brings together civil engineering experience and Python programming to support the development and improvement of AI training solutions. Responsibilities Use civil engineering knowledge to contribute to AI training initiatives Write and refine Python code to build, validate, or improve AI training data and workflows Work with Toloka AI teams to achieve reliable, high-quality project outcomes Location This is a remote contract role for candidates based in Queensland, Australia.

Apr 28, 2026

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Biology & Python Specialist - Freelance AI Trainer

Toloka AI

Contract|Remote|Remote — Queensland, Australia

Toloka AI is looking for a Freelance AI Trainer with a strong background in biology and Python. This remote position is based in Queensland, Australia and centers on advancing AI in the biological sciences. Role overview This role involves developing and refining AI models by applying expertise in both biology and programming. The work supports new advances in how AI is used within biological research and applications. What you will do Collaborate with a diverse team to design and improve training materials Participate in model training sessions, using knowledge of biology and Python to guide AI development Work environment This freelance position offers the flexibility of remote work and the chance to contribute meaningfully to the AI community, particularly at the intersection of technology and biological science.

Apr 29, 2026

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Strategy Consultant - AI Training & Evaluation at Toloka-AI | Remote

Toloka-AI

Full-time|Remote|Remote — Queensland, Australia

Toloka-AI is seeking a Strategy Consultant to focus on AI training and evaluation. This remote role is available to candidates located in Queensland, Australia. Role overview This position centers on developing strategies that support AI training programs and enhance evaluation processes. The Strategy Consultant will work with teams across Toloka-AI to shape projects that impact the future of artificial intelligence. What you will do Create and refine strategies for AI training initiatives. Improve methods for evaluating AI systems and outcomes. Collaborate with experienced colleagues throughout the company. Contribute to projects that help guide the direction of AI development. Location This is a fully remote position for candidates based in Queensland, Australia.

Apr 27, 2026

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Material Scientist with Python Expertise - Freelance AI Trainer

toloka-ai

Contract|A$35/hr - A$35/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and indicate your level of English proficiency. Mindrift partners with skilled professionals for project-based AI work serving leading technology companies. This freelance contract centers on evaluating and improving AI systems within engineering environments. The position is contract-only and does not transition to permanent employment. Role overview This freelance Material Scientist with Python expertise will design original materials that reflect real-world engineering processes and challenges. Assignments focus on engineering scenarios, research questions, and practical problem-solving using computational tools. What you will do Create problems that require Python programming for engineering calculations or simulations. Develop computationally intensive challenges using numerical methods or iterative solutions. Formulate tasks involving system design, optimization, and analysis. Ensure assignments are grounded in genuine research or practical engineering situations. Validate solutions using Python and standard engineering libraries. Write clear, precise problem statements and provide accurate, verified solutions. Requirements Background as a material scientist or engineer with strong Python skills. 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 valued. Minimum of 2 years of professional experience in industry, research, or teaching. Solid understanding of practical engineering constraints and approximations. Excellent written English at C1 level or above. How to join Apply Meet the qualifications Join a project Complete assigned tasks Receive compensation Project commitment During active project phases, expect to spend 10-20 hours per week on assigned tasks. Workload may vary and is not guaranteed outside of active project periods. Compensation Earn up to $35 per hour, depending on contribution and pace. Actual rates may differ by project, based on complexity, scope, and expertise required. Other projects on the platform may offer different compensation structures.

Apr 24, 2026

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Freelance Data Science Engineer (Python & SQL) - Remote Opportunity

toloka-ai

Contract|A$55/hr - A$55/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and indicate your English proficiency level. toloka-ai, in partnership with Mindrift, connects experienced data science engineers to project-based freelance assignments for leading technology companies. These roles focus on testing, evaluating, and improving AI systems. This is a freelance, project-based position and not a permanent role. What you will do Create original computational data science problems that reflect real-world analytical workflows in sectors such as telecom, finance, government, e-commerce, and healthcare. Design challenges that require Python programming with libraries like Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, and Seaborn. Develop computationally intensive problems that cannot be solved manually within a reasonable timeframe. Formulate tasks involving complex reasoning in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction. Ensure all problems have deterministic solutions, using fixed random seeds for reproducibility when needed. Base scenarios on real business needs such as customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Design problems that span the entire data science pipeline: data ingestion, cleaning, exploratory analysis, modeling, validation, and deployment considerations. Include big data processing cases that require scalable computational approaches. Verify solutions in Python using standard data science libraries and statistical methods. Document each problem clearly, providing realistic business context and confirmed correct answers. Requirements Minimum 5 years of hands-on data science experience with demonstrated business impact. Portfolio of completed projects or publications showing real-world problem-solving ability. Advanced Python programming skills for data science, including Pandas, Numpy, Scipy, Sklearn, and Statsmodels. Deep understanding of statistical analysis and machine learning, including algorithms and practical applications. Strong SQL skills for data manipulation and analysis. Familiarity with GenAI technologies such as large language models (LLMs), retrieval-augmented generation (RAG), prompt engineering, and vector databases. Understanding of MLOps practices and model deployment workflows. Experience with frameworks like TensorFlow, PyTorch, and LangChain. Excellent written English skills (C1 level or higher). Application process Apply Pass qualification(s) Join a project Complete assigned tasks Receive payment Location: Remote , Queensland, Australia

Apr 25, 2026

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Freelance Physics Specialist with Python Expertise - AI Trainer

Mindrift

Part-time|A$35/hr - A$35/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and specify your English proficiency level. Mindrift is a dynamic platform that connects talented specialists with exciting project-based AI opportunities across leading tech companies, concentrating on the testing, evaluation, and enhancement of AI systems. This role is project-based and does not involve permanent employment.Opportunity Overview:While each project presents distinct challenges, contributors may be involved in: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, Sympy);Ensuring the problems are computationally intensive and cannot be resolved manually within a reasonable timeframe (days/weeks);Developing problems that require sophisticated reasoning across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in actual research challenges or practical applications within the field of physics;Validating solutions through Python and standard physics simulation libraries;Providing clear documentation of problem statements along with verified correct answers.Desired Qualifications:This opportunity is ideally suited for physicists experienced in Python who are open to part-time, non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any other programming language is advantageous;A minimum of 2 years of professional experience, which can include applied, research, or teaching roles;Experience with numerical simulation methods;The ability to create problems that reflect real physics research workflows;Creative problem-solving skills across various physics domains;Knowledge of physics modeling and approximation techniques;Strong written English proficiency (C1+ level).Process Overview:Apply → Pass qualifications → Join a project → Complete tasks → Receive payment.Project Time Commitment:For this project, tasks are expected to require approximately 10–20 hours per week during active phases, contingent on project requirements. This is an estimate and not a guaranteed workload, and it applies only while the project is active.Compensation:Contributors can earn up to $35 per hour, dependent on their contribution level and pace. Compensation varies across projects, influenced by scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their specific requirements.

Apr 30, 2026

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Mechanical Engineer & Python Specialist - Freelance AI Trainer

Mindrift

Contract|A$39/hr - A$39/hr|Remote|Remote — Queensland, Australia

We invite you to submit your CV in English and specify your English proficiency level.At Mindrift, we connect talented professionals with innovative, project-based AI opportunities from leading technology companies, emphasizing the testing, evaluation, and enhancement of AI systems. Please note that participation in our projects is on a temporary basis and not permanent employment.Opportunity OverviewEach project presents unique challenges, and as a contributor, you may be tasked with:Designing original computational engineering problems that replicate real-world engineering workflows;Formulating problems that necessitate Python programming for engineering calculations and simulations;Creating computationally intensive problems requiring numerical methods or iterative approaches;Developing challenges related to system design, optimization, and analysis;Grounding problems in actual research challenges or practical engineering applications;Validating solutions using Python and standard engineering libraries;Clearly documenting problem statements and providing verified correct solutions.Qualifications We SeekThis role is ideal for engineers with proficiency in Python who are open to part-time, non-permanent assignments. The ideal candidates will possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation, with familiarity in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any equivalent programming language;A minimum of 2 years of applicable professional experience, including applied work, research, or instructional roles;A solid understanding of practical engineering constraints and approximations;Exceptional written English skills (C1+ proficiency);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects will be advantageous.Process OverviewApply → Complete qualification assessments → Join a project → Perform tasks → Receive compensation.Project Time ExpectationsDuring active phases, the tasks for this project are estimated to require approximately 10–20 hours per week, depending on project needs. This is an estimate and does not guarantee a specific workload.Compensation DetailsContributors can earn up to $39 per hour, based on their level and the pace of their contributions. Please be aware that compensation may vary for different projects based on the specific scope, complexity, and expertise required.

May 1, 2026

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Freelance AI Trainer - Material Scientist with Python Expertise

Mindrift

Part-time|A$35/hr - A$35/hr|Remote|Remote — Queensland, Australia

We request you to submit your CV in English and indicate your English proficiency level.Mindrift connects skilled professionals with project-based AI opportunities at leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that this is a project-based engagement and not a permanent position.Opportunity OverviewEach project presents unique challenges, where contributors may be tasked with:Formulating original material engineering problems that replicate real-world engineering workflows;Developing challenges that necessitate Python programming for engineering calculations and simulations;Creating computationally intensive problems that require numerical methods or iterative solutions;Designing problems related to system design, optimization, and analysis;Drawing from real research challenges or practical applications from engineering practice;Validating solutions using Python and standard engineering libraries;Clearly documenting problem statements and providing verified correct answers.Candidate ProfileThis position is ideal for material scientists and engineers with Python experience who are open to part-time, non-permanent roles. The ideal candidates will possess:A degree in Material Science or a related field;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or any programming language will be considered;A minimum of 2 years of professional experience, including applied research or teaching experience;A solid understanding of practical engineering constraints and approximations;Exceptional written English skills (C1+).Process OverviewApplication → Qualification Assessment → Project Assignment → Task Completion → PaymentProject CommitmentFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, contingent on project needs. This is an estimate and not a guaranteed workload, applicable only while the project is ongoing.CompensationContributors can earn up to $35 per hour, depending on their experience and contribution pace. Compensation levels may vary across projects based on their scope, complexity, and expertise required. Other projects on the platform may provide different earning potentials.

May 2, 2026

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Freelance Research Physicist with Python Expertise - AI Training

Mindrift

Part-time|A$35/hr - A$35/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and indicate your level of English proficiency.At Mindrift, we specialize in connecting experts with flexible, project-based AI opportunities within top-tier tech companies, dedicated to the assessment and enhancement of AI systems. Please note that this is a project-based position and does not entail permanent employment.Opportunity Overview:Contributors will engage in a variety of unique tasks tailored to each project, which may include:Formulating original computational physics challenges that accurately reflect genuine physics research methodologies;Developing problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, and Sympy);Creating computationally demanding problems that are impractical to solve manually within a reasonable timeframe;Designing problems that require complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in real-world research challenges or practical applications in the field of physics;Validating solutions using Python in conjunction with standard physics simulation libraries;Documenting problem statements comprehensively and providing verified, accurate answers.Qualifications:This role is suited for physicists with Python experience who are open to part-time, non-permanent engagements. Ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or other programming languages is also acceptable;A minimum of 2 years of professional experience in applied, research, or teaching roles;Expertise in numerical simulation techniques;Capability to craft problems that reflect real physics research processes;Innovative thinking in problem design across various areas of physics;Knowledge of physics modeling and approximation techniques;Strong written English proficiency (C1+).Process:Apply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Commitment:Contributors can expect to dedicate approximately 10–20 hours per week during active project phases, contingent upon project demands. This is an estimation and not a guaranteed workload, applicable only during active phases.Compensation:Participants can earn up to $35 per hour, contingent on their contribution level and pace. Compensation levels vary across projects based on their specific requirements.

Apr 30, 2026

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Freelance AI Trainer Specializing in Chemistry and Python

Mindrift

Part-time|A$35/hr - A$35/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and indicate your level of English proficiency. Mindrift offers project-based, remote roles for professionals skilled in chemistry and Python. These freelance positions focus on supporting AI development for leading technology companies. Participation is not permanent employment, and work is assigned on a project basis. What you will do Design computational chemistry problems that reflect real-world research workflows. Create Python-based challenges requiring programming solutions, often using numpy, scipy, and chemistry-specific libraries. Ensure problems are complex enough to require computational methods, not manual solutions. Develop tasks involving advanced reasoning in physical chemistry, quantum chemistry, and molecular modeling. Base assignments on authentic research scenarios or practical chemistry applications. Validate solutions using Python and established computational chemistry techniques. Document each problem clearly and provide verified answers. Requirements Degree in Chemistry or a closely related field. Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or relevant chemistry libraries is also acceptable. At least 2 years of professional experience in applied research, teaching, or a related area. Background in numerical methods within chemistry. Knowledge of computational chemistry concepts and techniques. Strong written English skills (C1 level or higher). How projects work The process includes application, qualification, joining a project, completing assigned tasks, and receiving payment. During active project phases, tasks typically require 10–20 hours per week, though actual workload may vary. Compensation Contributors can earn up to $35 per hour, depending on expertise and pace. Compensation may differ by project based on scope, complexity, and required skills. Other projects may offer different pay structures.

Apr 29, 2026

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Senior Python Systems Developer for Functional Testing Project

Toloka AI

Contract|A$45/hr - A$45/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and include your English proficiency level. Mindrift, part of Toloka AI, matches experienced professionals with project-based AI work for major technology clients. This opening is for a specific project, not a permanent staff role. Role overview This project needs a Senior Python Systems Developer skilled in functional testing. The work centers on building and maintaining black box tests for large codebases across multiple languages. Strong Linux and Docker abilities are essential, along with experience interpreting code in C, Rust, or Go using large language models (LLMs). The team uses tools such as Roo Code and Claude Code to support fast, iterative development and migration tasks. What you will do Create and run functional black box tests for diverse codebases. Set up and manage Docker environments to ensure builds are reproducible and testing works across platforms. Track code coverage and implement automated metrics to meet industry standards. Use LLMs (including Roo Code and Claude) to automate tasks, accelerate development, and improve code quality. Requirements At least 5 years of professional experience as a Software Engineer, with a strong focus on Python. Advanced skills with pytest, including fixtures, session-scoped tests, and timeouts, plus experience designing black-box functional tests for CLI tools. Expertise in Docker: writing reproducible Dockerfiles, managing user contexts, and building secure workspaces. Deep knowledge of Linux and Bash scripting, comfortable with debugging in containers. Familiarity with modern Python tools such as uv, pyproject.toml, and packaging workflows. Ability to read and understand C, C++, Rust, or Go code using LLMs. Hands-on experience with LLMs (Claude Code, Roo Code, or Cursor) to drive iterative development and generate test cases. English proficiency at B2 level or above. Preferred qualifications Experience with agent evaluation platforms and MCP CLI. Tools and technologies Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (for code reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Project details and benefits Freelance, project-based engagement through the Mindrift platform. Fully remote with flexible scheduling: set your own hours (20-30 per week). Compensation depends on project and expertise. For this project, AI trainers can earn up to $45 per hour.

Apr 24, 2026

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Mathematics and Python Specialist - Freelance AI Trainer

Mindrift

Part-time|A$35/hr - A$35/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based freelance roles for mathematicians and Python specialists. Work remotely on AI projects for leading technology firms, focusing on testing, evaluating, and improving AI systems. All engagements are project-based and not permanent positions. What you will do Create original computational mathematics problems that mirror real mathematical research workflows Design challenges requiring Python programming solutions, often using libraries like Numpy, SciPy, and Sympy Develop problems that are computationally intensive and may take days or weeks to solve Craft problems involving complex reasoning in areas such as number theory, combinatorics, graph theory, and numerical analysis Base problems on real-world research questions or practical mathematical applications Validate solutions using Python and standard mathematical libraries Document problem statements clearly and provide verified solutions Requirements Degree in Mathematics (Pure or Applied) or a related field Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar languages is also considered At least 2 years of professional experience in applied mathematics, research, or teaching Familiarity with numerical methods and symbolic computation Ability to design problems reflecting authentic mathematical research processes Knowledge of computational complexity theory Excellent written English skills (C1+ level) Project workflow Application Qualification Assessment Project Assignment Task Completion Compensation Time commitment During active projects, tasks typically require 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed workload. Compensation Earn up to $35 per hour, depending on expertise and contribution speed. Actual rates vary by project scope, complexity, and required skills. Other projects on the platform may offer different compensation levels.

Apr 29, 2026

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Freelance AI Trainer Specializing in Statistics & Python

toloka-ai

Part-time|A$38/hr - A$38/hr|Remote|Remote — Queensland, Australia

We invite you to submit your CV in English, specifying your proficiency level in the language.Mindrift is dedicated to bridging specialists with project-oriented AI opportunities across top-tier technology companies, concentrating on the testing, evaluation, and enhancement of AI systems. This engagement is based on project work rather than permanent employment.Opportunity OverviewWhile each project presents distinct challenges, contributors can expect to:Craft innovative computational statistics problems that reflect genuine mathematical research workflows;Develop tasks that necessitate Python programming solutions utilizing libraries such as Numpy, SciPy, and Sympy;Ensure the complexity of problems requires substantial computational resources, making manual solutions impractical within typical timeframes;Formulate problems that involve intricate reasoning across domains such as number theory, combinatorics, graph theory, and numerical analysis;Base challenges on real-world research problems or applicable mathematical scenarios;Validate solutions through Python, employing standard mathematical libraries;Clearly articulate problem statements and deliver validated correct answers.Qualifications We SeekThis role is ideal for statistics professionals experienced in Python, who are open to non-permanent, part-time projects. Candidates should ideally possess:A degree in Statistics or related disciplines;Proficiency in Python for numerical validation, with equivalent experience in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other programming languages being acceptable;A minimum of 2 years of relevant professional experience, whether in applied roles, research, or teaching;Strong command of written English (C1 or higher);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects will be considered advantageous.How the Process Works1. Apply → 2. Pass qualifications → 3. Join a project → 4. Complete tasks → 5. Receive paymentProject Time CommitmentDuring active phases, tasks are estimated to require approximately 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $38 per hour, based on their contribution level and speed. Compensation may vary across projects according to their scope, complexity, and expertise required. Note that other projects may offer different compensation rates based on their specific requirements.

Apr 30, 2026

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Electrical Engineer & Python Specialist - Freelance AI Trainer

Mindrift

Part-time|A$39/hr - A$39/hr|Remote|Remote — Queensland, Australia

We kindly request that you submit your CV in English, along with a clear indication of your English proficiency level.Mindrift bridges the gap between talented specialists and project-based AI opportunities with leading tech companies, centered on testing, evaluating, and enhancing AI systems. Please note that this is a project-based opportunity, not a permanent position.Key Responsibilities:Craft original computational engineering scenarios that emulate genuine engineering workflows.Develop challenges that necessitate Python programming for effective engineering calculations and simulations.Ensure tasks are computationally demanding and utilize numerical methods or iterative solutions.Formulate problems related to system design, optimization, and analysis.Base scenarios on actual research challenges or practical applications encountered in engineering.Validate solutions through Python using standard engineering libraries.Clearly document problem statements and provide verified correct answers.Ideal Candidate Profile:This role is suitable for engineers with Python expertise, looking for part-time, non-permanent projects. Candidates should ideally possess:A degree in Electrical Engineering or a related discipline.Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or other programming languages is acceptable.A minimum of 2 years of professional experience, whether applied, research, or teaching.A solid understanding of practical engineering constraints and approximations.Strong English writing skills (C1+ level).Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects are advantageous.Process Overview:Submit your application → Complete qualification assessments → Engage in a project → Execute tasks → Receive payment.Project Time Commitment:During active project phases, tasks are estimated to require approximately 10–20 hours per week, based on specific project needs. This is an estimate and not a guaranteed workload.Compensation:Contributors can earn up to $39 per hour, contingent on their contribution level and pace. Earnings may vary across projects based on scope, complexity, and required expertise.

Apr 30, 2026

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Freelance AI Trainer - Data Scientist (Python & SQL)

toloka-ai

Contract|A$55/hr - A$55/hr|Remote|Remote — Queensland, Australia

Please submit your CV in English and include a self-assessment of your English proficiency. Mindrift, in partnership with toloka-ai, offers freelance, project-based work for experienced data scientists. This role supports technology companies as they test, evaluate, and improve AI systems. Engagements are project-specific and do not represent permanent employment. Key responsibilities Create original data science challenges that mirror real-world analytical workflows in sectors like telecommunications, finance, government, e-commerce, and healthcare. Develop problems requiring advanced Python programming with libraries such as Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, and Seaborn. Design computationally intensive tasks that cannot be solved manually within a reasonable timeframe. Build scenarios involving complex reasoning in data processing, statistical analysis, feature engineering, predictive modeling, and deriving actionable insights. Ensure all problems are deterministic and reproducible by avoiding stochastic elements or by setting fixed random seeds. Base challenges on real business use cases, including customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency. Develop end-to-end problems that span the full data science pipeline: data ingestion, cleaning, exploratory data analysis, modeling, validation, and deployment considerations. Include big data processing scenarios that need scalable computational approaches. Validate solutions in Python using standard data science libraries and statistical methods. Document each problem with a clear business context and provide verified correct answers. Location This is a remote freelance role based in Queensland, Australia.

Apr 25, 2026

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Freelance English Writer - AI Trainer

Toloka AI

Contract|Remote|Remote — Queensland, Australia

Role overview Toloka AI seeks a Freelance English Writer - AI Trainer to help shape and refine artificial intelligence systems. This contract role centers on producing clear, effective written content that supports the training and accuracy of AI models. What you will do Create and edit English-language materials used for AI training Work on projects that review, improve, and assess AI-generated text Collaborate remotely with a diverse team of professionals Location This remote position is open to candidates based in Queensland, Australia. Work can be performed from any location with reliable internet access.

Apr 27, 2026

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Freelance Junior Journalist - AI Trainer

Toloka AI

Contract|Remote|Remote — Queensland, Australia

Toloka AI seeks a Freelance Junior Journalist - AI Trainer for a remote contract based in Queensland, Australia. This role blends journalism skills with AI model training tasks. What you will do Create original written content on a range of topics Contribute to the development and improvement of AI models by providing feedback and data Role focus This position centers on both content creation and practical work with AI systems. Assignments may cover various subjects, requiring adaptability and clear communication. Location This is a remote contract for candidates based in Queensland, Australia.

Apr 27, 2026

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Freelance Optical Engineer and AI Trainer

Toloka AI

Part-time|A$35/hr - A$35/hr|Remote|Remote — Queensland, Australia

We kindly request that you submit your CV in English and specify your English language proficiency level.Mindrift is a platform that connects experts with project-based AI opportunities within prominent technology companies, focusing on the testing, evaluation, and enhancement of AI systems. Please note that this is a project-based role, not a permanent position.Opportunity OverviewEach project presents unique challenges, and contributors may engage in the following tasks:Create innovative optics problems that accurately represent real-world physics research workflows;Ensure these problems are computationally demanding, making manual solutions impractical within reasonable timeframes (days to weeks);Develop scenarios that require complex reasoning across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base problems on actual research difficulties or practical applications within the fields of optics and physics;Clearly document problem statements and deliver verified correct answers.Desired QualificationsThis position is ideal for optical engineers seeking part-time, non-permanent projects. Ideally, candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;A minimum of 2 years of professional experience, including applied, research, or teaching roles;Familiarity with numerical simulation techniques;The ability to develop problems that reflect genuine physics research processes;Creative problem-solving skills across various physics domains;Knowledge of physics modeling and approximation methods;Strong proficiency in written English (C1 or higher).Process OverviewApply → Pass the qualification process → Join a project → Complete assigned tasks → Receive payment.Project Commitment ExpectationsDuring active phases, tasks are anticipated to require approximately 10–20 hours per week, depending on project needs. This is an estimate and does not guarantee workload.CompensationContributors can earn up to $35 per hour, contingent upon their expertise and contribution pace. Compensation may vary by project based on its scope, complexity, and the required skill set. Please be aware that other projects on our platform may offer different compensation levels based on specific needs.

May 2, 2026

Freelance Research Physicist and AI Trainer

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