Backend Developer - AI Trainer

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 permanen…

Role Overview anyone-ai is looking for Chemistry specialists based in Chile to support the development of STEM training datasets for advanced AI models. This is a remote position. What You Will Do Design and write complex Chemistry challenges that require deep reasoning and domain expertise. Ensure each challenge has a single, verifiable correct answer. Develop tasks that test the limits of current AI systems, focusing on computational accuracy and logical rigor. Work on projects across computational chemistry, physical chemistry, analytical chemistry, and chemical engineering workflows. Create Chemistry problems that may involve the use of specialized software tools. Areas of Focus Computational chemistry Physical chemistry Analytical chemistry Chemical engineering processes Tasks involving specialized Chemistry software

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.

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 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.

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.

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, 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.

Anyone AI is looking for a Backend Developer - AI Trainer to support projects with a leading AI lab. This remote, part-time position is open to candidates based in Uruguay. What you will do Design and evaluate software engineering tasks focused on backend development. Work on assignments such as bug fixing, implementing new features, refactoring code, and generating tests. Collaborate with teams involved in AI-driven projects. Key skills Proficiency in Python Experience with JavaScript or TypeScript Work arrangement Part-time and project-based Fully remote Flexible scheduling

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 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

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.

Anyone AI is in search of talented Full-Stack Developers proficient in Python and JavaScript/TypeScript to collaborate on innovative projects with a prestigious AI laboratory.Qualifications:Fluent in English with exceptional written communication skills.3–7 years of hands-on experience in software engineering.Expertise in Python and JavaScript/TypeScript; familiarity with Java, C#, or Go is a plus.Experience in backend or full-stack development within production environments.Knowledge of testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing.Demonstrated ability to debug and work with extensive multi-file codebases.Experience with code reviews, refactoring, and production migrations.Engagement Type: Part-time, project-based expert evaluation work.Work Type: Remote.As a contributor, you will design and evaluate realistic software engineering tasks, which include bug resolution, feature implementation, refactoring/migration, and test generation. Responsibilities involve creating complex coding scenarios and reviewing peer submissions for quality and accuracy.This role is project-based and consultants are compensated per project; hourly rates are estimates based on anticipated completion time. Consultants have the flexibility to manage their own schedules, utilize their own tools, and may work with other vendors or employers concurrently (depending on their policies).Responsibilities:Contributors will:Design and implement multi-file coding tasks, covering bug fixes, feature development, refactoring, and testing.Craft clear natural-language specifications and reference implementations.Develop and expand unit and integration test suites.Review peer-generated tasks for accuracy, clarity, and realism.Identify edge cases, ambiguities, and potential failure modes.Ensure alignment between specifications, code, and expected outputs.

Role overview Anyone AI seeks experienced software engineers based in Uruguay for remote, part-time consultancy work. This role involves collaborating with a prominent AI laboratory on a project basis, focusing on both software engineering and training in artificial intelligence. Flexible scheduling and project-based compensation are core aspects of this engagement. What you will do Design and implement advanced coding tasks, such as bug fixes, adding new features, refactoring code, and building tests. Create clear natural-language specifications and supply reference implementations. Develop and enhance unit and integration test suites. Review peer-created tasks to check for correctness, clarity, and realistic scenarios. Spot edge cases, ambiguities, and potential failure points in tasks and code. Maintain consistency between specifications, code, and expected results. Engagement details This consultancy is part-time and project-based. Compensation is determined per project. Work on your own schedule, choose your preferred tools, and continue with other clients if their policies permit.

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.

Role overview Anyone AI seeks a Python Developer based in Uruguay for a fully remote position. This role centers on collaboration with a team tackling AI-driven projects and software engineering tasks. The work supports ongoing efforts within an established AI lab. What you will do Collaborate with the AI lab on diverse software projects Develop and refine Python-based solutions Participate in remote teamwork across multiple initiatives Location This position is open to candidates residing in Uruguay and is fully remote.

Toloka AI seeks a Computer Science Specialist with strong Python skills to join its remote team in Uruguay. This position centers on supporting artificial intelligence projects and contributing to the development of new technologies. Role overview This role involves hands-on work in AI projects, where Python is a primary tool. Collaboration is key, with regular teamwork and communication in a distributed setting. What you will do Work on active artificial intelligence projects using Python Participate in team discussions and joint problem-solving Requirements Strong foundation in computer science Demonstrated experience with Python Genuine interest in AI Ability to work remotely and collaborate online Location This is a remote role open to candidates based in Uruguay.

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 bridges the gap between specialists and project-based AI opportunities with leading technology firms, focusing on the assessment, evaluation, and enhancement of AI systems. Please note that this is a project-based engagement, not a permanent position.About the RoleAs a Procurement and Supply Chain Consultant, you will leverage your extensive hands-on experience to create realistic disruption scenarios, outline expected outcomes and mitigation strategies, and assess AI-generated recommendations for their accuracy, completeness, and relevance to business needs.Your ResponsibilitiesWhile each project may present unique challenges, contributors may be expected to:Craft realistic supply chain disruption scenarios such as supplier delays, quantity fluctuations, logistical challenges, and quality failures, rooted in real-world manufacturing and procurement contexts.Define anticipated outcomes and appropriate mitigation strategies for each scenario.Critique AI-generated responses and recommendations based on real-world business logic.Evaluate outputs for accuracy, completeness, and relevance within ERP systems (particularly with Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP)).Participate in structured data creation and validation tasks in accordance with established guidelines and frameworks.Qualifications We SeekA minimum of 4 years of hands-on experience in procurement, supply chain, or purchasing, preferably within a manufacturing context.Strong understanding of procurement workflows, including purchase orders, vendor management, inventory, and production planning.Practical experience with ERP systems such as SAP, Oracle, or Microsoft Dynamics 365.Demonstrated ability to design and analyze supply chain disruption scenarios and corresponding mitigation strategies.Comprehensive knowledge of various types of disruptions: delays, shortages, quality issues, and logistical challenges.Familiarity with Incoterms and transportation/logistics management.Understanding of Bill of Materials (BOM) structures and production planning processes.Experience with supplier performance metrics like OTIF, lead times, and quality scores.Analytical mindset capable of evaluating AI outputs against real-world business logic.Experience in data validation, structured data entry, or annotation tasks.Exceptional written communication skills in English.How the Process WorksTo apply, submit your application → Pass necessary qualifications → Join a project → Complete tasks → Receive payment.Project Time ExpectationsThis project is estimated to require approximately 10-20 hours of work per week during active phases, dependent upon project requirements. This is an estimate and not a guaranteed workload.CompensationParticipants in this project can earn up to $50 per hour, depending on experience and project requirements.

Join Anyone-AI as an AI Software Engineering Trainer in Uruguay! In this dynamic role, you will leverage your expertise in AI and software engineering to educate and train aspiring professionals.As an AI Software Engineering Trainer, you will create and deliver engaging training sessions, develop educational materials, and provide mentorship to students. Your passion for technology and ability to communicate complex concepts will inspire the next generation of software engineers.