Mechanical Engineer & Python Specialist - Freelance AI Training

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.

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.

Toloka AI is looking for a freelance Civil Engineer & Python Specialist to support AI model training projects. This role is remote, with candidates expected to be based in Porto, Porto District, Portugal. Role overview This position combines civil engineering knowledge with Python programming to help improve AI systems. The work is project-based and allows for flexible, freelance engagement. Key responsibilities Offer civil engineering insights to guide AI model training Use Python to assist with AI development and related tasks Requirements Professional background in civil engineering Proficiency in Python Interest in artificial intelligence and openness to freelance work Location This is a fully remote freelance opportunity. Applicants must reside in Porto, Porto District, Portugal.

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.

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.

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.

Role overview Toloka AI is looking for a Computer Science Specialist with advanced Python skills to contribute to AI projects. This position is remote and based in Porto, Porto District, Portugal, with regular collaboration alongside colleagues around the globe. Main responsibilities Design and develop AI solutions using Python Implement project requirements and deliver technical contributions Work closely with an international team to support Toloka AI’s goals Collaboration and location This is a fully remote role. Team members work from Porto or anywhere within the Porto District, connecting virtually with peers in various regions.

Role overview Mindrift is looking for a freelance n8n Workflow Developer to join the Tendem project (https://tendem.ai/). This contract role centers on building and refining automation workflows in a hybrid AI and human operations setting. The position is remote, but applicants must be based in Porto, Porto District, Portugal. As an AI Pilot, you will work closely with Tendem Agents who manage repetitive business tasks. Your structured mindset and automation skills will help deliver efficient workflow solutions that support both AI and human-driven processes. This part-time contract fits professionals with practical experience in no-code automation, workflow design, and process improvement across varied business systems. What you will do Design, build, and evaluate advanced workflows in self-hosted n8n environments. Plan and implement integrations across multiple systems to create scalable automation pipelines. Develop and enhance AI-driven workflows, including content generation, enrichment systems, and process automation. Set up and maintain automation for lead generation, outreach, and data processing. Create web scraping workflows to extract and process data accurately. Optimize workflow execution, node sequencing, and error handling to minimize failures, delays, and API timeouts. Location and work arrangement This is a remote, part-time freelance position. Candidates must be located in Porto, Porto District, Portugal.

Please submit your resume in English and indicate your English proficiency level. Toloka offers remote, project-based freelance opportunities to support the development of artificial intelligence. Contributors play a key role in improving Generative AI for leading technology organizations by providing real-world data and feedback. Role overview This freelance position focuses on annotating and evaluating data to help train AI systems. Work is fully remote and assignments are offered based on project needs and your profile. Tasks may include rating AI-generated content, checking for factual accuracy, and comparing different outputs. The type and frequency of assignments depend on project availability. Main responsibilities Review and assess data such as text, images, or video. Label or categorize content according to detailed project guidelines. Identify and report material that is inaccurate, sensitive, inappropriate, or unclear. Note: This is a freelance, project-based role. Tasks are assigned only when projects are active, and invitations depend on current needs and your qualifications. Compensation for AI Trainers can reach up to $17 per hour equivalent, depending on the project. Requirements Bachelor’s degree in any field. At least 1 year of professional work experience. Advanced English proficiency (C1 or above), both written and spoken. Strong logical reasoning, fact-checking, and analytical abilities. Attention to detail and the ability to follow complex instructions. Clear communication skills and readiness to ask for clarification when necessary. Interest in technology and artificial intelligence. Benefits Flexible, part-time freelance work that can fit around other commitments. Direct experience with advanced AI projects, building valuable skills for your portfolio. Opportunity to influence how future AI models interpret and interact in your area of expertise. Find more information about Toloka at https://toloka.ai/.

Toloka Annotators seeks a Freelance AI Trainer and Data Annotator to contribute to remote projects from Porto, Portugal. This contract role focuses on enhancing AI models through careful data annotation and training tasks. Key responsibilities Review and annotate various data sets to help develop machine learning systems Train AI models by following detailed guidelines and using provided tools Manage independent work across multiple projects Consistently deliver work that meets client quality standards Location details This is a remote role for candidates based in Porto, Porto District, Portugal.

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

Role overview Mindrift seeks a Freelance Low-Code Automation Engineer to support the Tendem project. This part-time, remote role focuses on building and optimizing automation using Make.com, n8n, and JavaScript. Candidates may work from Porto, Portugal or fully remote. What you will do Design and implement automation workflows with low-code tools such as Make.com and n8n Extend and customize workflows using JavaScript when needed Work alongside Tendem Agents to automate and streamline repetitive tasks Develop reliable and scalable solutions by applying structured problem-solving Maintain high standards for quality and attention to detail in all workflow executions Who thrives in this role Those with hands-on experience in low-code automation platforms Engineers skilled at designing and refining workflow automations Individuals comfortable using JavaScript for custom automation logic People who prioritize quality, reliability, and clear processes The AI Pilot specialist At Mindrift, this specialist is called an "AI Pilot." AI Pilots work closely with human agents, ensuring smooth collaboration between automated systems and manual processes within a hybrid AI and human framework.

Role overview Mindrift seeks a Freelance No-Code Automation Workflow Specialist to support the Tendem project (https://tendem.ai/). This is a part-time, remote position based in Porto, Porto District, Portugal. Internally, the role is also called AI Pilot. What you will do Work with Tendem Agents to improve and streamline workflows that combine AI and human input Design, build, and refine no-code automations to make business processes more efficient Spot opportunities to optimize existing workflows across various business functions Who should apply Professionals experienced with no-code automation tools and workflow design People comfortable working independently in a remote, part-time role Those interested in projects that blend AI with human collaboration

Embark on your coding journey with our engaging Beginner Python Programming Course, specifically designed for individuals with no prior programming experience. This curriculum emphasizes essential concepts such as variables, data structures, functions, conditionals, loops, input/output, and modules to ensure a comprehensive foundation in Python programming.Through a series of hands-on exercises and practical projects, students will actively build their programming skills. The course structure includes interactive examples and practical applications to solidify understanding.The capstone project allows participants to showcase their newly acquired skills, culminating in a text-based game or calculator, integrating all the concepts covered throughout the course. This program is structured to provide a solid grasp of Python basics while maintaining an approachable pace for beginners.Course OutlineModule 1: Introduction (6 hours)Content:Understanding SoftwareSetting Up the Python EnvironmentBasic Data Types and OperationsPrint and Input FunctionsModule 2: Variables and Data Structures (2 hours)Content:Utilizing Variables for Data StorageStrings, Integers/Floats, and BooleansLists, Tuples, and DictionariesModule 3: Control Flow (2 hours)Content:If/Else Conditional StatementsFor and While LoopsBreak, Continue, and Pass StatementsModule 4: Functions (4 hours)Content:Creating and Calling FunctionsFunction Parameters and Return ValuesScope and NamespacesModule 5: Error Handling (2 hours)Content:Identifying Common Errors and ExceptionsUtilizing Try/Except for Error ManagementModule 6: File Handling (2 hours)Content:Reading and Writing FilesOpening, Closing, and Appending FilesModule 7: Modules (2 hours)Content:Importing ModulesExploring Built-in ModulesModule 8: Final Project (4 hours)Content:Integrating Concepts LearnedDeveloping a Text-based Game or CalculatorTuition Fee: 475€ + VATCourse Schedule:Dates: 04-05-2026 to 27-05-2026Classes: Monday and Wednesday, 7 PM to 10 PM

We are seeking a talented Python Developer to join our dynamic team at inetum2 in Porto. As a Python Developer, you will play a key role in developing robust applications and enhancing existing systems. You will work collaboratively with cross-functional teams to design, implement, and maintain software solutions that meet our clients' needs.

Join our dynamic team as a Python Developer at inetum2, where you will have the opportunity to work on innovative projects that drive the future of technology. We are looking for a passionate individual who thrives in a fast-paced environment and is eager to contribute to our success.Your role will involve developing and maintaining high-quality software solutions, collaborating with cross-functional teams, and implementing best practices in software development.