Freelance Optical Engineer & AI Trainer

toloka-aiRemote — UruguayNew

Remote Part-time $17/hr - $17/hr

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Experience Level

Experience

Qualifications

Ideal candidates will have:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;At least 2 years of professional experience, including applied, research, or teaching roles;Proficiency in numerical simulation methods;The ability to design problems that reflect authentic physics research workflows;Innovative thinking in problem design across diverse areas of physics;Familiarity with physics modeling and approximation techniques;Excellent written English skills (C1 level or above).

About the job

We invite you to submit your CV in English and specify your level of English proficiency.

At Mindrift, we connect experts with project-specific AI opportunities for top technology firms, focusing on the evaluation, testing, and enhancement of AI systems. Please note that participation is project-based, and does not constitute permanent employment.

Opportunity Overview

Each project presents unique challenges, and contributors may be required to:

Devise original optical problems that closely mimic real-world physics research workflows;
Ensure that these problems are computationally demanding and cannot be solved manually within reasonable timeframes (days/weeks);
Create problems necessitating complex reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics;
Base problems on actual research challenges or practical applications from the fields of optics and physics;
Clearly document problem statements and provide verified correct solutions.

Desired Qualifications

This role is ideal for optical engineers seeking part-time, non-permanent projects. We prefer candidates who possess:

A degree in Physics (Theoretical, Experimental, or Computational) or a related field;
A minimum of 2 years of professional experience, whether in applied, research, or teaching roles;
Experience with numerical simulation techniques;
The capability to design problems that reflect real physics research workflows;
Creative thinking in problem design across various physics disciplines;
Familiarity with physics modeling and approximation strategies;
Strong written English proficiency (C1+).

Application Process

Apply → Pass qualifications → Join a project → Complete tasks → Receive payment

Project Time Commitment

For this project, tasks are estimated to require approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate and does not guarantee a specific workload.

Compensation

In this project, contributors can earn up to $17 per hour, based on their level of contribution and pace. Compensation may vary across projects according to their scope, complexity, and required expertise. Please be aware that other projects on the platform may offer different earning potentials depending on their specific requirements.

About toloka-ai

Mindrift facilitates connections between specialists and project-driven AI opportunities for leading technology companies, focusing on the testing, evaluation, and improvement of AI systems. Join us for exciting project-based work that enhances your skills and contributes to cutting-edge technology.

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Freelance Optical Engineer with Python Expertise

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — 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 employ…

Apr 30, 2026

Apply

Freelance Optical Engineer & AI Trainer

toloka-ai

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

We invite you to submit your CV in English and specify your level of English proficiency.At Mindrift, we connect experts with project-specific AI opportunities for top technology firms, focusing on the evaluation, testing, and enhancement of AI systems. Please note that participation is project-based, and does not constitute permanent employment.Opportunity OverviewEach project presents unique challenges, and contributors may be required to: Devise original optical problems that closely mimic real-world physics research workflows;Ensure that these problems are computationally demanding and cannot be solved manually within reasonable timeframes (days/weeks);Create problems necessitating complex reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base problems on actual research challenges or practical applications from the fields of optics and physics;Clearly document problem statements and provide verified correct solutions.Desired QualificationsThis role is ideal for optical engineers seeking part-time, non-permanent projects. We prefer candidates who possess: A degree in Physics (Theoretical, Experimental, or Computational) or a related field;A minimum of 2 years of professional experience, whether in applied, research, or teaching roles;Experience with numerical simulation techniques;The capability to design problems that reflect real physics research workflows;Creative thinking in problem design across various physics disciplines;Familiarity with physics modeling and approximation strategies;Strong written English proficiency (C1+).Application ProcessApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time CommitmentFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate and does not guarantee a specific workload.CompensationIn this project, contributors can earn up to $17 per hour, based on their level of contribution and pace. Compensation may vary across projects according to their scope, complexity, and required expertise. Please be aware that other projects on the platform may offer different earning potentials depending on their specific requirements.

May 2, 2026

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Optical Engineer - Freelance AI Trainer

toloka-ai

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

Please submit your CV in English and specify your English proficiency level. Mindrift, in partnership with toloka-ai, connects specialists to project-based AI work for major technology companies. This freelance Optical Engineer role centers on testing, evaluating, and improving AI systems. The position is project-based and not permanent. Key responsibilities Design original optical problems that reflect real-world physics research workflows Develop computationally intensive problems that cannot be solved manually in a short timeframe Create scenarios requiring advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Base problems on current research challenges or practical applications in optics and physics Document problem statements clearly and provide verified, correct solutions Requirements Degree in Physics (Theoretical, Experimental, or Computational) or a related field Minimum 2 years of experience in applied, research, or teaching roles Hands-on experience with numerical simulation techniques Ability to design problems that mirror real research workflows Creative approach to problem design across various physics domains Familiarity with physics modeling and approximation methods Strong written English skills at C1 level or above How the process works Apply Pass qualifications Engage in a project Complete assigned tasks Receive compensation Time commitment During active project phases, tasks typically require about 10 to 20 hours per week. This is an estimate and not a guaranteed workload. Hours are relevant only while the project is active. Compensation Contributors can earn up to $17 per hour, depending on experience and pace. Pay may vary by project based on scope, complexity, and required expertise. Other projects on the platform may offer different compensation levels depending on requirements. Location This is a remote position based in Uruguay.

Apr 24, 2026

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Material Scientist with Python Expertise - Freelance AI Trainer

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

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

Apr 24, 2026

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Material Scientist with Python Expertise - Freelance AI Trainer

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — 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.

May 2, 2026

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Freelance AI Trainer - Physics Specialist with Python Expertise

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — 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.

Apr 30, 2026

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Freelance AI Trainer - Research Physicist with Python Expertise

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — 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.

May 1, 2026

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Freelance Electrical Engineer & Python Specialist - AI Training

toloka-ai

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

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.

Apr 30, 2026

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Freelance Mechanical Engineer & Python Specialist - AI Training

Mindrift

Part-time|$17/hr - $17/hr|Remote|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.

May 1, 2026

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Civil Engineer & Python Specialist - Freelance AI Trainer

Toloka AI

Contract|Remote|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.

Apr 28, 2026

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Biology and Python Specialist - Freelance AI Trainer

Toloka AI

Contract|Remote|Remote — 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

Apr 29, 2026

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Freelance Quantum Research Scientist with Python Expertise

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

We invite you to submit your CV in English and specify your proficiency level in the English language.Mindrift is a dynamic platform that bridges specialists with exciting project-based AI opportunities from top tech companies, concentrating on the testing, evaluation, and enhancement of AI systems. Please note that participation is on a project basis and does not constitute permanent employment.What This Opportunity EntailsEach project presents distinct tasks, where contributors may:Devise original computational physics challenges that emulate genuine research workflows;Create programming problems that necessitate Python solutions (utilizing libraries such as Numpy, SciPy, and Sympy);Ensure that problems are computationally demanding and cannot be solved manually in a reasonable timeframe;Craft problems that involve complex reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base challenges on real-world research questions or practical applications in physics;Validate solutions using Python with established physics simulation libraries;Clearly document problem statements and provide verified correct solutions.Desired QualificationsThis role is ideal for quantum researchers with Python expertise who are open to flexibly engaging in 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 programming language is acceptable;A minimum of 2 years of professional experience in applied, research, or teaching capacities;Experience with numerical simulation techniques;The ability to design problems that reflect authentic physics research workflows;Creative problem-solving skills across various physics domains;A good grasp of physics modeling and approximation strategies;Strong written English skills (C1+ level).Application ProcessApply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject Time CommitmentTasks for this project are estimated to require approximately 10–20 hours per week during active phases, based on project demands. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $17 per hour, depending on their experience and contribution pace. Please be aware that compensation varies by project based on its scope, complexity, and required expertise. Other projects may offer different earning potentials depending on their specific requirements.

Apr 30, 2026

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Chemistry & Python Specialist - Freelance AI Trainer

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

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.

Apr 29, 2026

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Mathematics & Python Specialist - Freelance AI Instructor

toloka-ai

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

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.

Apr 29, 2026

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Freelance AI Trainer - Statistics & Python Specialist

Mindrift

Part-time|$17/hr - $17/hr|Remote|Remote — Uruguay

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.

Apr 30, 2026

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Freelance Data Scraping Engineer (Python) - Remote Opportunity

Toloka AI

Contract|Remote|Remote — Uruguay

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.

May 1, 2026

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Python Software Engineer - 6-Month Remote Contract

Slasify

Contract|Remote|Remote — Uruguay

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.

Mar 24, 2026

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Experienced Python Engineer at Blend360 | Montevideo

Blend360

Full-time|On-site|Montevideo

Design, develop, and sustain Python-based services and integrations that enhance Identity and Access Management (IAM) platforms.Assist in deploying cloud infrastructure utilizing Infrastructure as Code (IaC) tools like Terraform, with mentorship from senior engineers.Facilitate the onboarding of various applications, including internally hosted systems, SaaS solutions, and custom-built tools into centralized data and access frameworks.Support the integration of IAM tools with enterprise platforms including Identity Governance and Administration (IGA) solutions, ServiceNow, and Okta.Engage in data mapping and management activities to facilitate the integration of user access data across applications.Contribute to the development and maintenance of Terraform Enterprise (TFE) projects, AWS resources, and reusable modules.Support event-driven and serverless architectures utilizing AWS services such as Lambda, SQS, and SNS.Collaborate in designing and maintaining APIs and backend services for seamless platform integrations.Participate in CI/CD pipeline development, code reviews, and adherence to quality standards following industry best practices.Work collaboratively to ensure platform reliability, security, and scalability.

Feb 25, 2026

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Python Engineer at Blend360 | Montevideo

Blend360

Full-time|On-site|Montevideo

Join Blend360 as a Python Engineer and be part of a dynamic team focused on delivering innovative solutions. You will work on exciting projects that leverage your expertise in Python programming, contributing to the development and optimization of our software applications.As a key member of our engineering team, your responsibilities will include collaborating with cross-functional teams, writing clean and efficient code, and participating in code reviews to ensure high-quality standards.

Apr 1, 2026

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Freelance Quality Assurance Engineer

Toloka AI

Contract|Remote|Remote — Uruguay

Join Toloka AI as a Freelance Agent Evaluation Engineer! In this role, you will be responsible for assessing the quality of AI-generated outputs, ensuring high standards and accuracy. Your expertise will contribute to enhancing the performance of AI systems.

May 1, 2026

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Freelance Optical Engineer & AI Trainer

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