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Experience Level
Entry Level
Qualifications
The ideal candidate will possess:Experience in data annotation or a related field. Strong attention to detail and accuracy. Basic understanding of AI and machine learning concepts. Excellent communication skills. Ability to work independently and meet deadlines.
About the job
Toloka Annotators seeks a freelance AI Trainer - Data Annotation Specialist to help improve AI systems by providing accurate data labeling. This contract role is remote and open to candidates living in Uruguay.
What you will do
Label and annotate various types of data for machine learning projects
Review data to confirm accuracy and quality for use in AI models
Work independently, following project guidelines and meeting deadlines
Requirements
Strong attention to detail and consistency when handling data tasks
Interest in artificial intelligence and its practical uses
Ability to manage your own schedule and work remotely
This freelance position is fully remote and available to those based in Uruguay.
About Toloka Annotators
Toloka Annotators is a forward-thinking company dedicated to improving AI technology through high-quality data annotation. Our mission is to support organizations in their AI endeavors by providing exceptional data services that enhance machine learning performance. Join us in our commitment to innovation and excellence in the AI sector.
Join our dynamic team at Toloka AI as a Freelance Data Scraping Engineer. In this remote role, you will leverage your expertise in Python to extract and manipulate data from various online sources. Your skills will be crucial in enhancing our data-driven solutions and ensuring the accuracy and relevance of the information we provide to our clients.
We invite you to submit your CV in English, along with your English proficiency level.Mindrift is a dynamic platform that connects specialists with exciting project-based AI opportunities from top technology companies. Our focus is on the testing, evaluation, and enhancement of AI systems. Note that participation is project-based rather than permanent employment.Opportunity Overview:While each project presents unique challenges, contributors will typically be tasked with:Designing innovative computational physics problems that emulate authentic research workflows;Formulating problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring tasks are computationally demanding, requiring extended timeframes (days/weeks) for resolution;Creating problems that involve complex reasoning chains in areas including mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in real-world research challenges or practical applications from the field of physics;Validating solutions through Python with standard physics simulation libraries;Documenting problem statements comprehensively and providing confirmed correct answers.Ideal Candidate Profile:This role is well-suited for optical engineers experienced in Python, looking for part-time, non-permanent projects. The ideal contributors will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a closely related field;Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any domain-specific programming language is acceptable;A minimum of 2 years of professional experience in applied physics, research, or teaching;Experience with numerical simulation techniques;The capability to design problems that reflect actual physics research workflows;Creative problem-solving skills across various physics domains;Familiarity with physics modeling and approximation methodologies;Strong written English skills (C1+ level).Application Process:Apply → Pass qualifications → Join a project → Complete tasks → Receive payment.Project Time Commitment:During active phases of the project, tasks are estimated to require approximately 10–20 hours per week, based on project demands. This is an estimate and not a guaranteed workload.Compensation:Contributors can earn up to $17 per hour, depending on their level of expertise and contribution pace. Compensation may vary across projects based on scope, complexity, and required skills.
Mindrift, in partnership with toloka-ai, offers project-based freelance roles for mathematics and Python specialists interested in supporting AI development for leading technology firms. This contract position is fully remote and based in Uruguay. All applicants should submit their CV in English and specify their English proficiency level. Role overview This freelance role centers on creating and validating advanced computational mathematics problems for AI system evaluation. Each project brings unique challenges, requiring contributors to: Develop original mathematics problems that mirror real research workflows Design problems requiring Python programming to solve, often using libraries like Numpy, SciPy, or Sympy Ensure problems are computationally intensive, not solvable by hand in a reasonable time Incorporate complex reasoning across fields such as number theory, combinatorics, graph theory, and numerical analysis Draw from real-world research or practical applications in mathematics Verify solutions using Python and standard mathematical libraries Document problem statements clearly and provide accurate, verified answers Requirements Degree in Mathematics (Pure or Applied) or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also valued At least 2 years of professional experience in applied mathematics, research, or teaching Background in numerical methods and symbolic computation Ability to design problems reflecting authentic mathematical research Understanding of computational complexity theory Strong written English skills at C1 level or higher How projects work The process includes: Apply → Pass qualifications → Join a project → Complete tasks → Receive payment. Time commitment During active project phases, tasks generally require 10–20 hours per week. Actual workload depends on project needs and is not guaranteed outside active periods. Compensation Contributors may earn up to $17 per hour, depending on expertise and pace. Actual rates vary by project scope and complexity. Other projects on the platform may offer different earning potential.
We encourage you to submit your CV in English, specifying your proficiency level in the language.Mindrift serves as a bridge connecting skilled professionals with project-based AI roles at leading technology firms, centered on the testing, evaluation, and enhancement of AI systems. Please note that participation is on a project-by-project basis, not as a permanent employment position.Opportunity Overview:Each project presents distinct tasks, including but not limited to:Designing innovative computational engineering challenges that replicate genuine engineering workflows.Creating programming problems that require Python coding for engineering calculations and simulations.Ensuring tasks are computationally demanding, necessitating numerical methods or iterative solutions.Developing challenges involving system design, optimization, and analysis.Grounding problems in real-world research issues or practical engineering applications.Validating solutions using Python alongside standard engineering libraries.Clearly documenting problem statements and providing verified correct answers.Qualifications We Seek:This role is ideal for engineers skilled in Python and interested in part-time, non-permanent project engagements. The ideal candidates will possess:A degree in Electrical Engineering or a related discipline.Proficiency in Python for numerical validation, with knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar programming languages considered equivalent.A minimum of 2 years of professional experience, whether applied, research, or teaching.A solid understanding of practical engineering limitations and approximations.Excellent written English skills (C1 level or higher).Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.How to Participate: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, depending on project demands. This is an estimate and not a guaranteed workload.Compensation:Participants can earn up to $17 per hour, contingent upon their level of expertise and contribution pace. Compensation varies across projects based on scope, complexity, and expertise needed. Please be aware that other projects on the platform may offer different compensation rates based on their specific requirements.
Please submit your CV in English and indicate your level of English proficiency.At Mindrift, we connect talented specialists with project-based AI opportunities for top-tier tech companies, focusing on the evaluation and enhancement of AI systems. Note that participation is project-based and does not imply permanent employment.Opportunity Overview:Each project presents unique challenges, and contributors will have the opportunity to:Craft original computational engineering problems that reflect real-world engineering workflows;Design challenges that necessitate Python programming for solving engineering calculations and simulations;Ensure tasks are computationally demanding, utilizing numerical methods or iterative solutions;Develop engineering problems centered around system design, optimization, and analysis;Base tasks on genuine research challenges or practical engineering applications;Validate solutions using Python and recognized engineering libraries;Clearly document problem statements and provide verified correct answers.Desired Qualifications:This role is ideal for engineers experienced in Python who are open to part-time, non-permanent projects. The ideal candidate will possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or domain-specific libraries is also acceptable;A minimum of 2 years of professional experience in applicable fields such as applied, research, or teaching;A solid understanding of practical engineering constraints and approximations;Excellent written English skills (C1+ proficiency);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international projects are advantages.Project Structure:Apply → Complete qualifications → Join a project → Execute tasks → Receive payment.Time Commitment:Project tasks are estimated to require approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate and not a guaranteed workload.Compensation:Contributors may earn up to $17 per hour, based on their experience and contribution pace. Compensation levels may vary across projects according to their scope and complexity.
We invite you to submit your CV in English, including your proficiency level in the language.Mindrift specializes in connecting talented professionals with project-based AI opportunities for leading technology firms, with a focus on the testing, evaluation, and enhancement of AI systems. Please note: Participation is project-based, not permanent employment.Opportunity Overview:Each project presents distinct tasks, and contributors may be engaged in the following:Designing innovative material engineering problems that mirror authentic engineering workflows;Creating problems that require Python programming for engineering calculations and simulations;Ensuring problems are computationally intensive, necessitating numerical methods or iterative solutions;Developing problems that incorporate system design, optimization, and analysis;Grounding problems in genuine research challenges or practical applications derived from engineering practice;Verifying solutions using Python with standard engineering libraries;Documenting problem statements clearly and providing verified correct answers.Qualifications We Seek:This role is ideal for material scientists and engineers with Python experience, open to part-time, non-permanent projects. The preferred 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, or any comparable programming language is acceptable;At least 2 years of professional experience, including applied work, research, or teaching;A strong understanding of practical engineering constraints and approximations;Exceptional written English skills (C1+).Project Workflow:Apply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Time Commitment:Estimated tasks will require approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate and not a guaranteed workload.Compensation:Participants can earn up to $17 per hour, influenced by their contribution level and speed. Compensation varies across projects based on scope, complexity, and required expertise. Please note, other projects on the platform may offer different earning potentials based on their specific requirements.
We invite you to submit your CV in English and specify your level of English proficiency.Mindrift is a dynamic platform that connects skilled professionals with project-based AI opportunities from top technology firms. Our focus is on enhancing, testing, and evaluating AI systems through specialized tasks. Note that this role is project-based rather than a permanent position.What You Will Be Doing:Crafting original computational physics problems that replicate authentic physics research workflows;Developing challenges that necessitate Python programming for solutions (using libraries such as Numpy, SciPy, Sympy);Creating computationally intensive problems that require extensive timeframes for resolution (days to weeks);Formulating problems that involve complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in real-world research challenges or practical physics applications;Validating solutions using Python with standard physics simulation libraries;Providing clear documentation for problem statements along with verified correct answers.What We Are Looking For:This role is ideal for physics graduates with Python experience who are open to part-time, non-permanent projects. The ideal candidate will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation, with alternative proficiency in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar programming languages being acceptable;At least 2 years of professional experience, encompassing applied, research, or teaching roles;Familiarity with numerical simulation methods;The ability to design problems that closely reflect real physics research processes;Innovative problem design skills across various physics disciplines;A strong command of written English (C1+ level).How the Process Works:Apply → Pass qualifications → Join a project → Complete tasks → Get paidProject Commitment:During active phases, tasks are estimated to require approximately 10–20 hours per week, contingent on project needs. This is an approximation and not a guaranteed workload.Compensation:Contributors can earn up to $17 per hour, depending on their level of expertise and contribution pace. Compensation may vary across projects based on scope, complexity, and required skills. Please note that different projects on our platform may offer varying compensation levels based on their specific requirements.
Please submit your CV in English and specify your English proficiency level. Mindrift connects experienced specialists with project-based AI roles at leading technology companies. Assignments focus on testing, evaluating, and improving AI systems. All roles are project-based and do not represent permanent employment. Role overview This freelance position calls for a Material Scientist with strong Python skills. Projects involve engineering and programming challenges, with each assignment offering new technical problems and the chance to influence AI tools built for engineering applications. Key responsibilities Create original material engineering problems based on real-world workflows Design tasks that require Python programming for engineering calculations and simulations Ensure problems include computationally intensive tasks, numerical methods, or iterative solutions Formulate questions centered on system design, optimization, and analysis Base assignments on real research challenges or practical engineering scenarios Validate solutions using Python and standard engineering libraries Document problem statements and provide verified answers Requirements Degree in Material Science or a related field Proficient in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is valued Minimum of 2 years' professional experience in applied, research, or teaching roles Strong understanding of practical engineering constraints and real-world approximations Excellent written English (C1 level or higher) Project commitment Expect to dedicate roughly 10–20 hours per week during active project phases. Actual workload may change depending on project needs and timing. Compensation Earn up to $17 per hour, based on experience and contribution speed. Compensation for other projects on the platform may vary depending on complexity and requirements. How to apply Submit your CV in English and indicate your English proficiency level Complete qualification steps Join a project when selected Finish assigned tasks Receive payment Location: Remote, Uruguay
Toloka AI is looking for a freelance AI trainer who combines civil engineering experience with strong Python programming skills. This contract role is fully remote and open to professionals based in Uruguay. Role overview This position centers on supporting learners as they apply artificial intelligence to civil engineering projects. The focus is on practical instruction and guidance, helping others use Python effectively in real-world engineering scenarios. What you will do Train and mentor individuals or groups in the use of AI for civil engineering applications Share hands-on Python programming knowledge relevant to engineering tasks Contribute to the advancement of AI technologies by guiding learners and providing feedback Location This freelance role is remote and available to candidates residing in Uruguay.
Toloka AI is looking for a freelance specialist with a strong background in both biology and Python programming. This remote contract is open to candidates based in Uruguay. Role overview This position centers on training and guiding AI systems for biological applications. The work involves applying subject matter knowledge in biology alongside Python skills to help develop and improve AI models. What you will do Use expertise in biology and programming to support the development of AI models Train and guide AI systems to enhance their performance in tasks related to biological data or problems Requirements Strong knowledge of biology Proficiency in Python Ability to work independently in a freelance, remote setting Based in Uruguay
We invite you to submit your CV in English, highlighting your level of English proficiency.Mindrift specializes in connecting skilled professionals with project-based AI opportunities for prominent technology companies, with a focus on testing, evaluating, and enhancing AI systems. This is a project-based role rather than permanent employment.What You Will Be Doing:While each project involves distinct tasks, contributors may be expected to:Design original computational physics problems that reflect authentic physics research workflows;Develop problems that necessitate Python programming for resolution (using libraries such as Numpy, SciPy, and Sympy);Ensure problems are computationally intensive and cannot be manually solved within a reasonable timeframe (days/weeks);Create problems that involve complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base problems on actual research challenges or practical applications from the field of physics;Validate solutions utilizing Python with standard physics simulation libraries;Clearly document problem statements and provide verified correct solutions.What We Are Looking For:This position is ideal for physicists with Python experience who are open to part-time, project-based work. Candidates should 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, or any programming language can be considered equivalent;At least 2 years of professional experience in applied, research, or teaching roles;Experience with numerical simulation methods;The ability to design problems that accurately reflect real physics research workflows;Creative problem-solving skills across diverse areas of physics;Knowledge of physics modeling and approximation techniques;Strong written English skills (C1+ level).How the Process Works:Apply → Pass qualifications → Join a project → Complete tasks → Receive payment.Time Commitment:For this project, tasks are expected to require approximately 10–20 hours per week during active periods, depending on project needs. This is an estimation and does not guarantee a fixed workload during the project's active phase.Compensation:Contributors can earn up to $17 per hour, depending on their skill level and contribution pace. Compensation may vary across projects based on their complexity, scope, and required expertise. Other projects on our platform may offer different earning potential based on their specific requirements.
Join our innovative team at Bluelight Consulting as a Fullstack Engineer specializing in Python and React. In this role, you will have the opportunity to work on exciting projects that push the boundaries of technology, directly impacting our clients' success. Your expertise will contribute to building scalable applications and creating seamless user experiences.
Join our dynamic team at Bluelight Consulting as a Fullstack Engineer, where you'll leverage your expertise in Python and React to develop innovative solutions. This remote position is ideal for tech-savvy individuals passionate about creating impactful software solutions. You will collaborate with a talented group of professionals, contributing to projects that make a difference.
Please submit your CV in English, clearly indicating your English proficiency level.Mindrift serves as a bridge connecting specialists with project-oriented opportunities in AI for renowned technology companies, with a focus on the evaluation, testing, and enhancement of AI systems. This role is project-based and does not guarantee permanent employment.Role OverviewEach project presents distinct challenges, where contributors may be tasked with:Formulating original computational statistics problems that mimic authentic mathematical research processes;Crafting Python-based problems that necessitate programming solutions (utilizing libraries like Numpy, SciPy, Sympy);Ensuring that problems are computationally demanding, requiring extensive timeframes for resolution (days/weeks);Creating problems that necessitate complex reasoning across fields such as number theory, combinatorics, graph theory, and numerical analysis;Grounding problem statements in real-world research challenges or practical applications in mathematics;Validating solutions through Python using standard mathematical libraries;Clearly documenting problem statements and providing verified correct answers.Ideal Candidate ProfileThis opportunity is well-suited for statistics experts with Python experience who are interested in flexible, non-permanent projects. Qualified candidates should possess:A degree in Statistics or a related discipline;Proficiency in Python for numerical validation; experience in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other programming languages is acceptable;A minimum of 2 years of relevant professional experience in applied, research, or educational settings;Strong written English skills (C1 or higher);Professional certifications (such as CMME, SAS Certifications, CAP) and experience in international or applied projects will be advantageous.WorkflowApplication → Qualification Assessment → Project Onboarding → Task Completion → CompensationProject Commitment ExpectationsFor this role, it is estimated that active project phases will demand approximately 10 to 20 hours of work weekly, subject to project specifications. This is an estimation and not a guaranteed workload during project activity.CompensationContributors can earn up to $17 per hour, contingent on their experience and contribution pace. Compensation may differ across projects based on scope, complexity, and required expertise, with potential for varying earning levels across different projects on the platform.
Join our dynamic team as a Python Software Engineer on a 6-month remote contract with Slasify, supporting a high-impact project for a leading US-based NASDAQ-listed company. This role focuses on crucial system integration and infrastructure alignment.As a contractor, you will enjoy the flexibility to choose your work environment. Slasify offers professional Contractor of Record services, ensuring that your contract management and international payments are handled with precision and reliability.Role OverviewContract Duration: 6 months (potential for extension based on project needs)Location: Fully RemoteEngagement Type: Independent ContractorService Provider: Slasify (providing secure and timely remuneration)Key ResponsibilitiesSupport the engineering team in executing intricate system integrations with high accuracy.Design, implement, and maintain robust Python-based applications.Ensure optimal connectivity and data integrity across various platforms.Collaborate with cross-functional teams to achieve project deadlines efficiently.QualificationsProfessional Experience: Minimum of 3 years of backend development experience in Python.System Integration: Demonstrated experience in integration projects or middleware solutions.Communication Skills: Proficient in English; candidates with strong technical skills but developing language confidence are encouraged to apply.Soft Skills:Detail-Oriented: Committed to meticulous coding and testing for system stability.Analytical Thinker: Ability to troubleshoot complex data flow and logical issues independently.Self-Motivated: Highly organized and able to manage tasks in a fully remote environment.Bonus QualificationsEducational Background: Degree in Computer Science, Information Technology, or a related field.Timezone Availability: Willingness to participate in meetings during US Eastern Time (EST).Familiarity with Tools: Experience with collaboration tools like Slack, Jira, and Git in an asynchronous work culture.Corporate Experience: Background in large-scale enterprise environments or publicly traded technology firms.Why Join Us?Prestigious Client: Work with a well-respected NASDAQ-listed company, enhancing your professional portfolio.
Are you a talented Fullstack Engineer proficient in Python and React? Join our dynamic team at Bluelight Consulting, where we empower innovative solutions across diverse industries. As a fully remote position, you will collaborate with a team of dedicated professionals while enjoying the flexibility of working from anywhere in Latin America. Your expertise will help us develop comprehensive web applications that enhance user experiences and drive business success.
Mindrift offers project-based freelance work for chemistry specialists with strong Python skills. This remote opportunity connects contributors in Uruguay with AI projects focused on computational chemistry, supporting the development and evaluation of AI systems for major tech clients. Participation is strictly on a project basis and does not imply permanent employment. Project Scope Create original computational chemistry problems that mirror real-world research workflows. Develop tasks requiring Python programming for solution, using libraries like NumPy, SciPy, and chemistry-specific packages. Design problems that are computationally intensive and cannot be solved manually in a reasonable timeframe. Formulate tasks involving complex reasoning in physical chemistry, quantum chemistry, and molecular modeling. Ensure problems align with genuine research challenges or practical chemistry applications. Validate solutions in Python using standard computational chemistry methods. Document each problem clearly and provide verified solutions. Candidate Profile Degree in Chemistry or a related discipline. Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or other relevant libraries is a plus. At least 2 years of relevant experience in applied work, research, or teaching. Background in numerical methods and computational chemistry concepts. Excellent written English (C1 level or higher). How to Join Apply with a CV in English and indicate your English proficiency level. Pass qualification steps. Join a project. Complete assigned tasks. Receive compensation. Time Commitment Expect to contribute approximately 10–20 hours per week during active project phases. Actual workload may vary depending on project needs and is not guaranteed. Compensation Earnings can reach up to $17 per hour, depending on expertise and pace. Compensation may differ by project scope, complexity, and required skills.
Bluelight Consulting is a premier software consultancy focused on creating and implementing innovative technologies that improve the lives of users around the globe. We prioritize delivering outstanding service to our clients while maintaining a strong emphasis on quality and customer satisfaction. Our mission extends beyond developing advanced applications; we strive to cultivate a supportive and enriching workplace where each team member can flourish and enhance their skills. With an expanding footprint in the United States and across Central and South America, Bluelight is actively seeking exceptional talent to join our vibrant and diverse community.We are in search of a talented and experienced Fullstack Engineer to become part of our rapidly evolving team at Bluelight Consulting. This role is perfect for individuals who excel in fast-paced, dynamic settings where every voice is valued and contributions are recognized. You will engage in meaningful and challenging projects, crafting high-quality applications that distinguish themselves in the marketplace. We are committed to fostering continuous learning, personal development, and hard work, all within a collaborative environment that encourages professional growth. If you are driven by a passion for software development and excited to be part of a growing consultancy, we encourage you to apply and embark on this thrilling journey with us.
At Bluelight Consulting, we are a premier software consultancy focused on crafting and implementing innovative technology solutions that enhance users' lives. We are committed to delivering unparalleled service, emphasizing quality and customer satisfaction. Our mission extends beyond developing state-of-the-art applications; we aim to cultivate a collaborative and enriching workplace where every team member can excel and grow. With operations in the United States and across Central and South America, we are currently in an exciting growth phase, actively seeking outstanding talent to join our vibrant and diverse team.We invite you to become a part of our expanding team at Bluelight Consulting. This position is perfect for a skilled individual who thrives in a fast-paced and dynamic environment where every voice is heard and valued. You will engage in meaningful projects, developing high-quality applications that make a real impact in the market. We prioritize continuous learning, personal development, and dedication, providing a supportive environment that fosters professional growth. If you are passionate about software development and eager to contribute to a forward-thinking consultancy, we welcome your application to embark on this exciting journey with us.
Role overview Toloka Annotators seeks a freelance AI Trainer - Data Annotation Specialist to help improve AI systems by providing accurate data labeling. This contract role is remote and open to candidates living in Uruguay. What you will do Label and annotate various types of data for machine learning projects Review data to confirm accuracy and quality for use in AI models Work independently, following project guidelines and meeting deadlines Requirements Strong attention to detail and consistency when handling data tasks Interest in artificial intelligence and its practical uses Ability to manage your own schedule and work remotely This freelance position is fully remote and available to those based in Uruguay.
