Civil Engineer & Python Specialist - Freelance AI Trainer

We invite you to submit your CV in English and indicate your English proficiency level. Mindrift connects talented professionals with project-based opportunities in AI for some of the leading tech companies, emphasizing the testing, evaluation, and enhancement of AI systems. Please note that participation is on a project basis, not permanent employment.Oppor…

We invite you to submit your CV in English, clearly indicating your level of English proficiency.Mindrift is dedicated to connecting talented specialists with project-based AI roles for leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This position is project-based and does not constitute permanent employment.Key Responsibilities:Design innovative computational engineering challenges that replicate real-world engineering workflows;Craft problems that necessitate Python programming for solving engineering calculations and simulations;Ensure that the challenges are computationally intensive, requiring numerical methods or iterative solutions;Develop tasks related to system design, optimization, and analytical processes;Base challenges on genuine research questions or practical applications from engineering practices;Validate solutions using Python with standard engineering libraries;Clearly document problem statements and provide verified correct solutions.Qualifications:This role is ideal for engineers experienced in Python and open to part-time, non-permanent projects. Candidates should possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries is acceptable;A minimum of 2 years of professional experience, including applied, research, or teaching experience;A strong understanding of practical engineering constraints and approximations;Excellent written English (C1+ proficiency);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.How the Process Works:Apply → Pass qualifications → Engage in a project → Complete assigned tasks → Get compensated.Project Time Commitment:Tasks are projected to require approximately 10–20 hours per week during active phases of the project, contingent on project requirements. This is an estimate and not a guaranteed workload, applicable only during the project's active duration.Compensation:Contributors can earn up to $31 per hour, based on their experience and contribution pace. Compensation may vary across projects depending on their scope, complexity, and expertise required. Note that compensation levels may differ in other projects available on the platform.

Please submit your CV in English and specify your English proficiency level.Mindrift connects talented professionals with project-based AI opportunities for leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based opportunity, not permanent employment.Opportunity OverviewEach project presents distinct tasks, and contributors may be involved in:Designing original computational physics problems that mimic real-world physics research workflows;Creating challenges that require Python programming solutions (using libraries such as Numpy, SciPy, Sympy);Ensuring problems are computationally intensive, requiring considerable timeframes (days/weeks) for resolution;Developing scenarios that necessitate complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in actual research challenges or practical applications within physics;Verifying solutions through Python and standard physics simulation libraries;Clearly documenting problem statements and providing verified accurate answers.Candidate ProfileThis role is ideal for optical engineers with Python experience who are interested in part-time, non-permanent projects. The perfect candidate will have: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 is also acceptable;A minimum of 2 years of professional experience, whether in applied work, research, or teaching;Experience with numerical simulation techniques;The capability to design problems that reflect real-world physics research workflows;Creative problem-solving skills across various areas of physics;Acquaintance with physics modeling and approximation methods;Strong command of written English (C1+).Process OverviewApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time CommitmentFor this position, tasks are expected to require approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate, not a guaranteed workload, applicable only while the project is active.CompensationContributors can earn up to $29 per hour, depending on their level of expertise and contribution pace. Compensation varies across different projects based on scope, complexity, and required skills. Note that other projects on the platform may offer different payment rates based on their specific requirements.

Toloka AI is seeking a freelance specialist with a strong background in biology and Python programming. This remote position is based in Porto, Portugal. Role overview This project centers on training AI models to better understand biological concepts using Python. The work involves applying subject matter expertise to improve how AI interprets and processes information in biology through code-based tasks. What you will do Use knowledge of biology and Python to guide AI model training Contribute to the development of educational resources powered by AI Location This freelance role is fully remote, with a focus on candidates located in Porto, Porto District, Portugal.

Please submit your CV in English and indicate your English proficiency level. This freelance, project-based role with Mindrift centers on developing and validating material science problems for AI training. Work is remote, with projects supporting leading technology companies. Assignments are not permanent and align with the needs of each project. Role overview Create original material engineering problems that mirror real-world scenarios and workflows Develop problems that require Python programming for engineering computations and simulations Design computationally intensive challenges using numerical methods or iterative solutions Focus on system design, optimization, and analysis tasks Draw inspiration from actual research issues or practical engineering cases Validate solutions with Python and standard engineering libraries Clearly document each problem statement and provide verified answers Requirements Degree in Material Science or a closely related discipline Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or similar tools is valued Minimum of 2 years of experience in applied, research, or teaching roles Solid understanding of practical engineering constraints and approximations Excellent written English (C1 level or higher) How projects work The process includes: Apply, pass qualifications, join a project, complete assigned tasks, and receive compensation. Time commitment Expect to dedicate around 10–20 hours per week during active project periods. The actual workload may shift based on project needs. Compensation Earn up to $29 per hour, depending on experience and pace. Rates may vary between projects based on complexity and required expertise. Other projects on the platform may offer different compensation according to their needs.

We invite you to submit your CV in English, including your level of English proficiency.Mindrift connects talented specialists with exciting, project-based AI assignments from leading technology companies, focusing on testing, evaluating, and enhancing AI systems. Note: Participation is project-based and not intended for permanent employment.What this role entails:Each project may present unique challenges, and contributors can expect to:Craft original material engineering problems that reflect authentic engineering workflows.Develop problems necessitating Python programming for engineering calculations and simulations.Design computationally intensive problems that require numerical methods or iterative solutions.Formulate challenges involving system design, optimization, and analytical processes.Base problems on real-world research challenges or applicable engineering practices.Validate solutions using Python with standard engineering libraries.Clearly document problem statements and provide verified correct answers.Qualifications we seek:This opportunity is ideal for material scientists and engineers with Python expertise, looking for part-time, non-permanent project engagements. Preferred qualifications include:A degree in Material Science or a related field.Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or domain-specific libraries is also acceptable.At least 2 years of professional experience in applied research, teaching, or related fields.A solid understanding of practical engineering constraints and approximations.Strong command of written English (C1+ level).How it operates:Apply → Pass qualifications → Engage in a project → Complete tasks → Receive payment.Project Time Expectations:Tasks are estimated to require approximately 10–20 hours per week during active project phases, depending on project needs. This is an estimate and not a guaranteed workload.Compensation:Contributors can earn up to $29 per hour, based on their expertise and contribution pace. Compensation will vary by project, depending on scope, complexity, and required skills. Other projects on the platform may offer different compensation levels based on their specific requirements.

We invite you to submit your CV in English, along with your English proficiency level.At Mindrift, we facilitate connections between talented specialists and exciting project-based AI opportunities in leading technology companies. Our focus is on the testing, evaluation, and enhancement of AI systems. Note that participation is project-specific and does not constitute permanent employment.Opportunity OverviewEach project presents distinct tasks, and contributors may engage in the following:Crafting original computational physics problems that replicate authentic physics research workflows;Designing challenges that necessitate Python programming for resolution (utilizing Numpy, SciPy, Sympy);Creating problems that are computationally intensive and require substantial timeframes (days/weeks) for resolution;Formulating challenges that involve complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in real research dilemmas or practical applications from physics;Validating solutions through Python using established physics simulation libraries;Clearly documenting problem statements and providing verified, accurate answers.Ideal Candidate ProfileThis role is well-suited for quantum researchers with Python proficiency who are interested in part-time, non-permanent projects. We seek candidates with:A degree in Physics (Theoretical, Experimental, Computational) or a related field;Proficiency in Python for numerical validation, with experience in MATLAB, R, C, SQL, or domain-specific libraries as acceptable alternatives;At least 2 years of professional experience in applied research or teaching;Familiarity with numerical simulation techniques;The ability to design problems that reflect genuine physics research workflows;Innovative thinking in problem creation across various physics domains;Knowledge of physics modeling and approximation methods;Strong command of written English (C1 or higher).Process OverviewApply → Pass qualification(s) → Join a project → Complete tasks → Receive paymentProject CommitmentFor this role, tasks are estimated to require approximately 10–20 hours per week during active project phases. This is an estimate and not a guaranteed workload.CompensationParticipants can earn up to $29 per hour, depending on their skill level and contribution pace. Compensation varies by project based on scope, complexity, and required expertise. Other projects may offer differing earning potentials.

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists in chemistry and Python with project-based AI work for technology firms. These freelance roles focus on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. Role overview As a Chemistry & Python Specialist, contributors work on a variety of computational chemistry tasks. Projects may involve: Designing original computational chemistry problems that mirror real research workflows Developing Python solutions using libraries such as numpy, scipy, and chemistry-specific packages Creating problems that require computational approaches beyond manual calculation Formulating challenges in physical chemistry, quantum chemistry, or molecular modeling that demand advanced reasoning Basing problems on real-world research issues or practical chemistry applications Validating answers through Python and established computational chemistry methods Documenting both problem statements and verified solutions thoroughly Requirements Degree in Chemistry or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is also acceptable At least 2 years of relevant experience (applied work, research, or teaching) Experience with numerical methods in chemistry Strong knowledge of computational chemistry concepts and methods Excellent written English (C1 level or higher) Project process The engagement process includes applying, completing qualifications, joining a project, performing assigned tasks, and receiving compensation. Time commitment Active project phases typically require an estimated 10–20 hours per week, depending on project needs. Actual workload may vary. Compensation Contributors can earn up to $29 per hour, depending on expertise and speed. Compensation is project-specific and may vary based on scope and complexity. Other projects on the Mindrift platform may offer different pay rates.

Join the innovative team at Mindrift as an AI Workflow Engineer for the Tendem project (https://tendem.ai/). In this dynamic freelance role, you will develop cutting-edge automation systems utilizing Large Language Models (LLMs) within our unique AI + human collaborative environment.As an AI Pilot, you'll work alongside Tendem Agents to streamline repetitive tasks. Your skills in structured thinking, prompt engineering, and quality control will be pivotal in crafting scalable and reliable AI-driven workflows.This part-time, remote opportunity is perfect for professionals with a robust background in LLM integrations, prompt design, and AI automation systems.

Role overview Mindrift is hiring a Freelance Integration Developer (API Specialist) for the Tendem project (https://tendem.ai/). This contract position, also known as AI Pilot, centers on building and maintaining integrations that connect systems within a hybrid AI and human workflow. The work is fully remote, based in Porto, Porto District, Portugal. What you will do Collaborate with Tendem Agents to automate repetitive tasks and streamline workflows Design, implement, and monitor integrations across various platforms Use structured problem-solving and technical skills to ensure reliable data connectivity Oversee quality control for integration solutions Who succeeds in this role Developers with practical experience in APIs and webhooks Those skilled at building and maintaining data pipelines between multiple systems Individuals who appreciate flexibility and can work remotely from Porto, Porto District, Portugal Position details Freelance contract Remote work arrangement Work alongside a forward-thinking team on the Tendem project

This freelance, project-based role connects mathematics experts with Python skills to AI training initiatives for toloka-ai. Work is remote, based in Porto, Portugal, and assignments are not permanent positions. Role overview Projects involve designing and validating advanced computational mathematics problems that reflect real mathematical research and practical applications. Contributors may: Create original math problems that mirror authentic research workflows Develop problems requiring Python programming to solve, often using Numpy, SciPy, or Sympy Ensure problems are computationally intensive, beyond manual solution within days or weeks Design tasks involving reasoning in number theory, combinatorics, graph theory, and numerical analysis Base problems on real research challenges or practical mathematical scenarios Validate solutions in Python with established mathematical libraries Document problem statements and provide verified, correct answers Requirements Degree in Mathematics (Pure or Applied) or a related field Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or similar tools is also acceptable At least 2 years of professional experience (applied, research, or teaching) Experience with numerical methods and symbolic computation Ability to design problems that reflect genuine mathematical research workflows Understanding of computational complexity theory Strong written English skills (C1 level or higher) How to participate Apply with a CV in English, including your English proficiency level Pass relevant qualification steps Join a project Complete assigned tasks Receive compensation Workload and compensation Project workload is estimated at 10–20 hours per week during active phases, depending on requirements. This is an estimate and not a guaranteed number of hours. Compensation can reach up to $29 per hour equivalent, based on contribution level and pace. Actual rates may vary by project scope, complexity, and expertise required. Other projects on the platform may offer different earning levels depending on their needs.

Toloka AI seeks a Freelance English Writer & AI Trainer to join its remote team in Porto, Portugal. This position blends content creation in English with hands-on involvement in training AI systems. Role overview The main focus is writing clear and engaging English text. Alongside writing, the role supports the development of artificial intelligence by contributing to training tasks and projects. Collaboration happens remotely with a team that values new ideas and ongoing progress. Location This is a remote role based in Porto, Porto District, Portugal.

Mindrift is seeking talented DevOps / Automation Engineers (Infrastructure & Scaling) to join our innovative Tendem project (https://tendem.ai/), focused on constructing and sustaining scalable infrastructure for automation workflows in a hybrid AI + human environment.In this engaging role, referred to as an AI Pilot at Mindrift, you will work alongside Tendem Agents who manage repetitive tasks, while you lend your infrastructure expertise, ensuring system reliability and performance optimization to maintain stable and scalable automation pipelines.This flexible part-time remote position is perfect for professionals with hands-on experience in cloud infrastructure, system deployment, and managing high-load automation environments.What We DoThe Mindrift platform connects specialists with AI projects from leading tech innovators. Our mission is to harness the potential of Generative AI by integrating real-world expertise from around the globe.About the RoleThis freelance opportunity involves designing, deploying, and maintaining the infrastructure that supports automation workflows, guaranteeing system stability, scalability, and high availability across various environments.Key ResponsibilitiesDeploy and maintain self-hosted automation environments (e.g., n8n instances or similar systems).Design and manage infrastructure to support high-volume workflows and extensive data processing.Scale automation systems to accommodate concurrent workloads and performance-intensive tasks.Establish monitoring, logging, and alerting systems to oversee workflow performance and detect failures.Implement alerts for critical events (e.g., node failures, performance drops, system instability).Ensure system uptime, reliability, and fault tolerance across automation pipelines.

Toloka AI seeks a Freelance Mathematics Expert - AI Trainer to support the development and improvement of artificial intelligence models. This remote position is based in Porto, Porto District, Portugal, and centers on applying mathematical skills to help AI systems achieve reliable accuracy and efficiency. Key responsibilities Use mathematics expertise to train and refine AI models Collaborate with a team focused on AI development Contribute to projects that move AI technologies forward Work arrangement This is a freelance role with all collaboration happening online. Team members work together remotely to improve AI systems.

Toloka AI seeks a Freelance Junior Journalist - AI Trainer to support its AI training projects. This remote position is based in Porto, Porto District, Portugal, and blends content creation with hands-on involvement in artificial intelligence development. Key responsibilities Write and edit materials that contribute directly to AI training initiatives Work closely with a team dedicated to advancing artificial intelligence Offer feedback and ideas to help refine AI processes Collaboration and flexibility This freelance role allows for work from any location. Team members value thoughtful writing and regular collaboration as they help shape AI technologies.

Mindrift brings together specialists for project-based AI initiatives, collaborating with leading technology companies. The work centers on testing, evaluating, and refining AI systems for real-world use. Please note: this is a freelance, project-based role rather than a permanent position. Role overview This freelance Supply Chain Consultant - AI Trainer position calls for deep expertise in procurement and supply chain operations. The consultant will draw from industry experience to design realistic disruption scenarios, define expected outcomes and mitigation plans, and review AI-generated recommendations for accuracy and business value. What you will do Create authentic supply chain disruption scenarios based on actual manufacturing and procurement challenges, such as supplier delays, quantity changes, logistics problems, or quality failures. Define likely outcomes and effective mitigation strategies for each scenario. Review AI-generated suggestions, checking for practical business logic and relevance. Assess deliverables for precision, completeness, and fit within ERP systems (including Microsoft Dynamics 365, Coupa, Jaggaer, Ariba/SAP). Support structured data creation and validation, following established guidelines. Requirements Minimum 4 years of hands-on experience in procurement, supply chain, or purchasing, preferably in manufacturing. Solid understanding of procurement processes: purchase orders, vendor management, inventory, and production planning. Direct experience with ERP platforms such as SAP, Oracle, or Microsoft Dynamics 365. Ability to create and analyze disruption scenarios and related mitigation plans. Knowledge of disruption types, including delays, shortages, quality issues, and logistics challenges. Familiarity with Incoterms and logistics or transportation management. Understanding of Bill of Materials (BOM) and production planning methods. Experience tracking supplier performance metrics (such as OTIF, lead times, quality scores). Strong analytical skills for reviewing AI outputs against real business needs. Background in data validation, structured data entry, or annotation work. Excellent written English communication skills. Project process The process includes: Application, Qualification Assessment, Project Engagement, Task Completion, and Compensation. Time commitment Estimated 10-20 hours per week during active project periods. Actual workload may vary based on project requirements; there is no guaranteed minimum or maximum number of hours. Compensation Rates up to $50 per hour, depending on the specific project.

Mindrift connects talented specialists with exciting, project-based AI opportunities at leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note: this role is project-based and does not constitute permanent employment.Role OverviewAs a Procurement and Supply Chain Consultant within this project, you will leverage your extensive experience to create realistic supply chain disruption scenarios. Your role will include defining anticipated outcomes and mitigation strategies, as well as assessing AI-generated recommendations for their accuracy, comprehensiveness, and relevance to business needs.Key ResponsibilitiesCrafting realistic scenarios of supply chain disruptions (e.g., supplier delays, changes in quantity, logistics challenges, quality failures) based on real-world contexts in manufacturing and procurement.Defining expected outcomes and suitable mitigation strategies for each scenario.Evaluating AI-generated responses and recommendations to verify alignment with practical business logic.Reviewing outputs for accuracy, completeness, and relevance within ERP systems, particularly Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba (SAP).Contributing to structured data creation and validation tasks in accordance with established guidelines and frameworks.QualificationsA minimum of 4 years of hands-on experience in procurement, supply chain management, or purchasing, preferably within a manufacturing setting.In-depth 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 conceptualize and analyze supply chain disruption scenarios and mitigation strategies.Strong grasp of various disruption types: delays, shortages, quality issues, and logistics challenges.Familiarity with Incoterms and logistics management.Understanding of Bill of Materials (BOM) structures and production planning methodologies.Experience with supplier performance metrics, including OTIF, lead times, and quality scores.Analytical mindset with the capability to assess AI outputs against real-world business logic.Experience in data validation, structured data entry, or annotation tasks.Excellent written communication skills in English.How to ProceedApply, pass the qualifications, join a project, complete tasks, and get compensated.Project Time ExpectationsThis project anticipates requiring approximately 10-20 hours of work per week during active phases, based on project needs. This is an estimate and not a guaranteed workload, applicable only while the project is active.CompensationFor this project, contributors can earn up to $50 per hour, depending on experience and project requirements.

Mindrift is actively seeking talented Integration Developers (API Specialists) to contribute to the innovative Tendem project (https://tendem.ai/) and to create efficient system integrations within our collaborative AI + human ecosystem.In this role, known internally as an AI Pilot, you will work alongside Tendem Agents dedicated to streamlining repetitive tasks while you lend your expertise in system integration, structured analysis, and quality assurance to guarantee seamless and scalable data connectivity across diverse platforms.This part-time remote position is perfect for professionals with substantial experience in APIs, webhooks, and the development of multi-system data pipelines.About MindriftThe Mindrift platform serves as a bridge, connecting specialists with AI-driven projects from leading tech innovators. Our mission is to harness the capabilities of Generative AI by leveraging real-world expertise from around the world.Role OverviewAs a Freelance Integration Developer (API Specialist) for the Tendem project, you'll be responsible for designing, constructing, and refining integrations between various business systems, ensuring dependable data flow and synchronization across multiple platforms.Key ResponsibilitiesDesign and assess integrations between essential business systems (CRMs, advertising platforms, email tools).Develop and enhance workflows utilizing APIs, webhooks, and either real-time or batch data pipelines.Establish and synchronize databases across platforms such as Airtable, Google Sheets, and Notion or similar tools.Ensure the reliable, real-time transfer of data and consistency across systems and services.Identify and resolve performance issues related to data flow, latency, and error handling.Assist in the integration of automated communication systems (e.g., messaging, outreach, or calling workflows).CompensationContributors on this project can earn up to $50 per hour, depending on their contribution level and pace. Compensation may vary across different projects based on their scope, complexity, and required expertise.

toloka-ai seeks Freelance AI Workflow Engineers to help advance the Tendem project. This part-time, remote role focuses on building automation systems that blend large language models (LLMs) with human input. Work supports the development of intelligent workflows for content generation, communication, and process automation. Key responsibilities Design and improve workflows that use LLM APIs for generating content, automating tasks, and facilitating communication Collaborate with Tendem Agents who manage repetitive tasks, ensuring effective cooperation between AI systems and human contributors Apply structured thinking, prompt engineering, and quality assurance to deliver scalable, reliable AI-powered solutions Requirements Hands-on experience integrating LLMs and designing prompts Background in developing or refining AI-driven automation systems Ability to work independently as a remote freelancer Project context The Mindrift platform connects subject matter experts with AI projects from leading technology companies. Tendem aims to unlock Generative AI’s potential by combining global expertise with advanced tools. Location Remote , Porto, Porto District, Portugal