Chemistry & Python Specialist - Freelance AI Trainer

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.

Join our innovative team at Devoteam as a Python Developer. In this pivotal role, you will drive the development of cutting-edge software solutions that meet the dynamic needs of our clients. Your expertise in Python will be crucial as you collaborate with a talented group of developers to design, implement, and maintain robust applications.We are looking for a passionate and skilled developer who thrives in a fast-paced environment. You will have the opportunity to work on exciting projects and contribute to the overall success of our development team.

Devoteam seeks a Python Developer to join its Porto office, focusing on projects in the investment sector. The position involves building and refining applications that help clients improve their operations and support investment decisions. Main responsibilities Create and maintain Python applications designed for investment sector requirements Collaborate with colleagues to design solutions that address specific client challenges Share ideas and technical knowledge to advance ongoing projects Team environment The team consists of experienced professionals who value clear communication and practical problem-solving. There is a strong focus on quality and continuous improvement throughout the group.

Join our dynamic team at Devoteam as a Senior Python Developer specializing in the Banking Sector. We are looking for innovative minds capable of crafting high-quality solutions and improving banking applications. You will work collaboratively with cross-functional teams to design, develop, and maintain software applications that meet the needs of our clients.In this role, you will leverage your expertise in Python programming and your understanding of banking systems to enhance our product offerings. If you are passionate about technology and banking and are eager to tackle challenging problems, we want to hear from you!

Join our dynamic team at Devoteam as a Rockstar Fullstack Developer proficient in Python and React. You will collaborate with cross-functional teams to design and implement cutting-edge web applications, ensuring high performance and responsiveness. Your expertise will drive innovative solutions that enhance user experience and meet business objectives.

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

Mindrift connects technical specialists with AI projects from top technology companies. The team applies practical expertise to advance Generative AI, bringing together experts from around the world to tackle meaningful technical challenges. Role overview This is a part-time, remote contract position focused on the Tendem project. As a Freelance Python Data Scraping Engineer (AI Pilot), the main responsibility is to manage complex data extraction and processing tasks. The work often involves tools like Apify and OpenRouter, as well as custom-built workflows. Success in this role requires both technical accuracy and creative problem-solving. What you will do Extract data end-to-end from complex websites, producing structured datasets with strong attention to accuracy and reliability. Use internal tools (such as Apify and OpenRouter) and custom scripts to improve data collection, validation, and delivery. Adapt scraping strategies for dynamic sites, JavaScript-rendered content, and shifting web behaviors. Ensure high data quality by running validation checks, maintaining consistency, and verifying results before submission. Scale operations for large datasets using batching or parallelization, monitor failures, and adjust to minor site changes as needed. Requirements Minimum of 3 years of experience in data engineering, web scraping, automation, or a related technical field. Compensation Project contributors can earn up to $30 per hour, depending on contribution level and pace. Actual rates may vary by project scope, complexity, and required expertise. How to apply Apply through this listing and include details about your relevant experience. Mindrift matches technical experts with projects that align with their skills and availability, from automation and coding to refining AI outputs. Every contribution supports the broader impact of AI in real-world applications.

Please submit your CV in English, including your English proficiency level. Mindrift connects professionals with project-based roles focused on evaluating, improving, and testing AI systems for leading technology companies. This freelance opportunity is project-based, not a permanent position. Role overview This freelance research physicist position centers on designing and validating computational physics challenges to support AI training. Each project brings a new set of tasks, often requiring a mix of creativity and technical expertise. Contributors create problems that reflect authentic research workflows and require Python programming solutions. What you will do Design computational physics challenges based on real research scenarios Create problems that require Python solutions, using libraries such as Numpy, SciPy, or Sympy Ensure tasks are computationally intensive and not easily solvable by hand Develop advanced problems in mechanics, electromagnetism, thermodynamics, and quantum mechanics Validate solutions in Python with standard simulation libraries Document problem statements clearly and supply verified answers Requirements 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 similar tools is a plus At least 2 years of experience in applied, research, or teaching roles Background in numerical simulation techniques Ability to design problems reflecting real-world research practices Creative problem-solving across multiple areas of physics Knowledge of modeling and approximation methods Strong written English skills (C1 level or higher) How to participate Apply Pass qualifications Join a project Complete assigned tasks Receive payment Time commitment During active project periods, expect to spend approximately 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed workload. Compensation Earn up to $29 per hour based on contribution and pace. Actual rates depend on project scope, complexity, and required expertise. Other projects on the platform may offer different rates. Location This remote freelance role is open to candidates based in Porto, Porto District, Portugal.

Please submit your CV in English and specify your level of English proficiency. Mindrift offers project-based contract work for specialists in AI, connecting contributors with technology companies focused on testing, evaluating, and improving AI systems. This is not a permanent employment position but rather contract-based project work. Role overview This freelance AI Trainer position centers on creating and validating computational physics problems that require advanced Python programming. The work involves designing scenarios that reflect authentic research workflows and practical physics applications, particularly in areas like mechanics, electromagnetism, thermodynamics, and quantum mechanics. Contributors will: Develop original computational physics problems based on real research or practical applications Create challenges that require Python programming, using libraries such as Numpy, SciPy, and Sympy Design computationally intensive problems not easily solvable by hand Build scenarios demanding advanced reasoning across multiple physics domains Validate solutions in Python with standard physics simulation tools Document clear problem statements and provide verified, correct solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus Minimum 2 years of professional experience in applied physics, research, or teaching Background in numerical simulation methods Ability to design problems reflecting real-world research in physics Creative problem-solving skills across multiple physics domains Familiarity with physics modeling and approximation techniques Strong English skills at C1 level or above How the process works Apply Complete qualification(s) Join a project Finish assigned tasks Receive compensation Project commitment During active project phases, expect to spend roughly 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed number of hours. Compensation Contributors may earn up to $29 per hour. Actual rates depend on expertise, task complexity, and completion speed, and may vary by project.

Abtrace is an innovative health technology company headquartered in London, with a growing presence in Portugal. Our diverse team of medical professionals, researchers, and developers collaborates to integrate cutting-edge software engineering with deep medical expertise. Together, we create clinical algorithms designed to empower primary care clinicians in their practice.Our mission focuses on developing digital health solutions that deliver tailored Population Health interventions. This approach enables us to continuously analyze comprehensive health records, identifying early signs of deterioration, the onset of new diseases, and opportunities for preventive care.Currently, we support over 500 primary care practices across the UK, impacting the lives of approximately 4.5 million patients.About the Role:We are seeking a Part-Time Back-End Developer (Mid/Senior) to enhance our dynamic team. The ideal candidate will thrive in a fast-paced environment and possess excellent communication skills to collaborate effectively with non-technical team members.In this role, you will be responsible for developing and maintaining backend components of our applications. Proficiency in building scalable cloud-based applications using Python and NodeJS is essential, and experience with AWS is highly desirable.

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. Mindrift connects skilled professionals with project-based AI work for leading technology companies. Projects focus on testing, evaluating, and improving AI systems. All participation is freelance and project-based, not permanent employment. Role overview This freelance Optical Engineer role centers on using Python to help train and refine AI systems. The work is remote, with preference for candidates based in Porto, Portugal, or nearby areas. What you will do Design computational physics problems that reflect real research workflows. Create problem sets requiring Python programming solutions, using libraries such as Numpy, SciPy, and Sympy. Ensure problems are computationally intensive and not solvable manually in a reasonable timeframe. Develop scenarios involving complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Draw on real research challenges or practical physics applications for inspiration. Validate solutions in Python, using established physics simulation libraries. Document each problem clearly and provide verified, correct answers. Requirements 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 similar languages is also acceptable. At least 2 years of professional experience in applied research or teaching. Experience with numerical simulation methods. Ability to design problems that mirror authentic physics research workflows. Creative approach to problem design across multiple physics domains. Knowledge of physics modeling and approximation techniques. Strong written English skills at C1 level or above. Project workflow Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time commitment Tasks typically require about 10–20 hours per week during active project phases. Workload may vary depending on project needs and is not guaranteed outside of active phases. Compensation Earnings can reach up to $29 per hour, depending on expertise and contribution speed. Actual rates may differ by project, based on scope, complexity, and required skills. Other projects may offer different rates according to their specific requirements.

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 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.

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.

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.

Please submit your CV in English and include your English proficiency level. Mindrift offers project-based AI work for experienced professionals, collaborating with major technology companies. Projects focus on testing, evaluating, and improving AI systems. This is a non-permanent, remote position based in Porto, Portugal, though work is fully remote. Role overview The Freelance Quantum Research Scientist & AI Trainer works on projects at the intersection of computational physics and quantum mechanics. The core focus is designing and validating Python-based problems that reflect real research challenges. All work is conducted remotely. What you will do Design computational physics problems modeled after real research workflows Create Python-based problems using libraries such as Numpy, SciPy, and Sympy Develop complex, computationally intensive problems that may take days or weeks to solve Craft advanced reasoning problems in mechanics, electromagnetism, thermodynamics, and quantum mechanics Base problems on authentic research challenges or practical physics scenarios Validate solutions using standard Python physics simulation libraries Document clear problem statements and provide verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, or SciPy is a plus At least 2 years of professional experience in applied research or teaching Hands-on experience with numerical simulation methods Ability to design problems that mirror real-world research processes Creative approach to problem design across multiple areas of physics Familiarity with modeling and approximation techniques in physics Strong written English at C1 level or higher How to apply The application process follows these steps: Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Project commitment Estimated workload is 10–20 hours per week during active project periods. Actual hours may vary depending on project demands. Compensation Contributors can earn up to $29 per hour. Actual rates depend on project scope and individual contributions.

Toloka AI seeks a freelance Mechanical Engineer with strong Python skills to join as an AI Trainer. This contract role is fully remote and welcomes candidates based in Porto or anywhere in Portugal. Role overview This position centers on sharing expertise in mechanical engineering and Python, guiding learners as they develop skills relevant to artificial intelligence. The work is flexible and designed for those who enjoy teaching and supporting others in a technical context. What you will do Develop training materials that highlight the intersection of mechanical engineering and Python in AI applications. Lead online sessions for individuals interested in artificial intelligence. Provide hands-on support to help participants build practical skills. Location and contract details This is a freelance, remote position. While the focus is on supporting learners in Porto, applicants from across Portugal are welcome.