Civil Engineer and Python Specialist - Freelance AI Trainer

Please submit your CV in English and include your proficiency level. toloka-ai, in partnership with Mindrift, offers freelance opportunities for optical engineers to contribute to project-based AI work. This remote position is not a permanent role but centers on short-term assignments. The focus is on testing, evaluating, and improving AI systems related to optics and physics. Role overview This freelance role involves designing original optics problems that reflect real research workflows. Assignments require developing computationally intensive challenges that may take days or weeks to solve. Problems span advanced topics in mechanics, electromagnetism, thermodynamics, and quantum mechanics, often inspired by real research or practical applications. Each problem must be clearly documented with accurate, verified solutions. What you will do Design optics problems modeled after real-world research processes. Create complex, computationally demanding challenges. Develop problems requiring advanced reasoning across multiple physics domains. Base problem design on authentic research challenges or practical scenarios. Document each problem and provide precise solutions. Requirements Degree in Physics (theoretical, experimental, or computational) or a related field. At least 2 years of relevant experience in applied work, research, or teaching. Experience with numerical simulation techniques. Ability to design problems that reflect real research processes in physics. Creative problem-solving skills across mechanics, electromagnetism, thermodynamics, and quantum mechanics. Understanding of physics modeling and approximation methods. Proficient written English (C1 level or above). Interest in part-time, temporary projects as a freelance optical engineer. Project commitment During peak project periods, expect to dedicate approximately 10–20 hours per week, though workload may shift depending on project needs. Compensation Earn up to $26 per hour, depending on expertise and pace. Actual pay varies by project scope, complexity, and required skills. Other projects on the platform may offer different rates. How to apply Apply with a CV in English, including your proficiency level. If qualified, join a project. Complete assigned tasks. Receive compensation for your work. Location: Remote , Pretoria, Gauteng, South Africa

Submit your CV in English and indicate your English proficiency level. toloka-ai, in partnership with Mindrift, offers project-based assignments for subject matter experts in AI and material science. These freelance roles focus on testing, evaluating, and improving AI systems for technology clients. This is not a permanent employment contract; work is assigned per project. Role overview Freelance AI Trainer & Material Scientist assignments vary by project. Typical work includes: Creating original materials that mirror real engineering workflows Designing engineering problems that require Python programming for calculations and simulations Ensuring tasks are computationally intensive, using numerical methods or iterative approaches Developing challenges in system design, optimization, and analysis Grounding problems in research challenges or practical engineering applications Validating solutions using Python and standard engineering libraries Documenting problem statements and providing thoroughly checked solutions Preferred qualifications Degree in Material Science or a related discipline Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is valued Minimum 2 years of professional experience (applied, research, or teaching) Understanding of practical engineering constraints and approximations Excellent written English (C1 level or above) Project process Apply Complete qualifications Join a project Fulfill assigned tasks Receive payment Time commitment During active project phases, expect to work approximately 10–20 hours per week. Workload may fluctuate and is not guaranteed outside these periods. Compensation Earn up to $26 per hour, depending on contribution and pace. Actual rates are based on project scope, complexity, and required expertise. Other projects on the platform may offer different pay structures.

Mindrift connects subject matter experts with project-based AI work at leading technology companies. This freelance role focuses on developing and validating computational chemistry problems that require advanced Python programming. Assignments are temporary and project-based, not permanent employment. What you will do Create computational chemistry problems based on real research workflows and practical applications. Design problems that require Python solutions, using libraries such as numpy, scipy, and chemistry-specific packages. Ensure each problem is complex enough that manual solutions would take days or weeks. Develop challenges involving physical chemistry, quantum chemistry, and molecular modeling. Validate solutions in Python, following standard computational chemistry methodologies. Document each problem clearly and provide accurate, verified answers. 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 valued. At least 2 years of professional experience (applied work, research, or teaching). Background in numerical methods used in chemistry. Familiarity with computational chemistry concepts and methods. Strong written English skills at C1 level or higher. Project details Workload is estimated at 10–20 hours per week during active project phases. Actual hours may vary depending on project needs and are not guaranteed for the full project duration. Compensation Contributors can earn up to $26 per hour, depending on project complexity, scope, and individual performance. Compensation may differ for other projects. How to apply Submit your CV in English, clearly stating your English proficiency level. The process includes qualification steps before joining a project: Apply, pass qualification(s), join a project, complete tasks, and receive payment.

Toloka AI is looking for a freelance consultant with strong skills in biology and Python programming. This remote role is based in Pretoria, Gauteng, South Africa. Role overview The main focus is on creating training materials and leading learning sessions. The goal is to help others apply AI tools and methods in biological research and related fields. What you will do Develop clear and practical training content covering biology and Python topics Facilitate sessions that guide participants in using AI for biological applications Requirements Expertise in biology and Python programming Ability to communicate technical concepts to learners Interest in AI applications within biological research

Toloka AI seeks a Freelance English Writer and AI Trainer to support its AI training projects. This contract position welcomes applicants based in Pretoria, Gauteng, or working remotely from anywhere in South Africa. Role overview This role centers on crafting written content that helps guide and enhance AI training. The focus is on producing material that is clear, engaging, and easy to follow. What you will do Create written resources to assist AI training processes Develop content that is informative and straightforward Collaborate with the Toloka AI team to achieve project objectives Location This is a remote position. Candidates located in Pretoria, Gauteng, or elsewhere in South Africa are encouraged to apply.

Toloka AI seeks a Freelance Junior Journalist - AI Trainer to assist with content creation and review for AI application projects. This contract position is remote, with a focus on candidates based in Pretoria, Gauteng, South Africa. Key responsibilities Create and review written material to support the training and improvement of AI algorithms Use journalistic skills to ensure content is clear and accurate Work on projects that influence the direction of AI-driven content Who will thrive in this role Journalists early in their careers who are interested in technology Writers who enjoy exploring new tools and processes Individuals seeking experience in the AI sector while working remotely

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects subject matter experts with project-based AI work for major technology companies. As a Freelance Research Physicist - AI Systems Trainer, this position is freelance and project-based, not a permanent role. Role overview Freelance Research Physicists help shape and test the abilities of AI systems in physics. Project tasks vary, but often include: Designing original optics problems modeled after real-world research workflows Developing computationally intensive problems that may require extended solution times Creating scenarios that require advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Grounding problems in actual research challenges or practical situations in optics and physics Documenting problem statements and providing accurate, verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field At least 2 years of relevant experience, which may include research, applied, or teaching roles Experience with numerical simulation techniques Ability to create problems that reflect authentic research processes in physics Creative problem-solving skills across multiple physics specialties Knowledge of modeling and approximation methods in physics Strong written English skills at C1 level or higher Project workflow Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time commitment During active projects, expect to contribute roughly 10–20 hours per week. Actual hours depend on project needs and may fluctuate outside of live project phases. Compensation Rates go up to $26 per hour, based on expertise and work pace. Compensation may vary by project complexity and requirements. Other projects on the Mindrift platform may offer different pay rates depending on their needs. Location This is a remote, project-based role open to candidates in Pretoria, Gauteng, South Africa.

Mindrift offers project-based roles for experienced professionals looking to contribute to AI development in the supply chain field. This freelance position is remote and open to candidates in Pretoria, Gauteng, South Africa. The work is not permanent and assignments depend on project availability. Role overview The Freelance Supply Chain Consultant - AI Trainer role focuses on using procurement and supply chain knowledge to improve AI systems. The work involves designing realistic disruption scenarios, defining expected outcomes and mitigation strategies, and evaluating AI-generated recommendations for accuracy and business value. What you will do Create supply chain disruption scenarios based on real issues such as supplier delays, quantity changes, logistics challenges, and quality failures. Define anticipated results and effective mitigation steps for each scenario. Review and critique AI-generated insights, checking them against established business logic. Assess outputs for accuracy, completeness, and relevance within ERP systems (including Microsoft Dynamics 365, Coupa, Jaggaer, and Ariba). Support structured data creation and validation according to provided guidelines. Requirements Minimum 4 years of hands-on experience in procurement, supply chain management, or purchasing, preferably in manufacturing. Strong understanding of procurement processes: purchase orders, vendor management, inventory control, and production planning. Direct experience with ERP platforms such as SAP, Oracle, or Microsoft Dynamics 365. Ability to design and analyze supply chain disruption scenarios and mitigation strategies. Familiarity with disruption types like delays, shortages, quality issues, and logistics problems. Knowledge of Incoterms, logistics, and transportation management. Understanding of Bill of Materials structures and production planning workflows. Experience tracking supplier performance metrics (such as OTIF, lead times, and quality assessments). Analytical skills for evaluating AI outputs against business logic. Background in data validation, structured data entry, or annotation tasks. Strong written English communication skills. How to participate Apply Complete qualification steps Join a project Carry out assigned tasks Receive compensation Time commitment Workload is estimated at 10-20 hours per week during active project phases. Actual hours may vary and are not guaranteed. Compensation Rates are up to $50 per hour, depending on project specifics.

Toloka Annotators is hiring a Freelance Data Annotator to assist with AI model training. This contract position is remote and open to candidates based in Pretoria, Gauteng, South Africa. Key responsibilities Label and annotate data accurately to support the development of machine learning models Apply project instructions to maintain consistent and reliable data quality Handle data carefully to contribute to the improvement of AI systems Role focus This contract is well suited to those interested in artificial intelligence and hands-on work with technology. Strong attention to detail is essential, as your efforts will directly influence the quality and usefulness of AI tools and applications.

Please submit your resume in English and indicate your language proficiency. Toloka connects people worldwide with freelance online tasks that support the development of artificial intelligence systems. The Annotators team collaborates with major technology companies on Generative AI projects, drawing on a wide range of backgrounds to advance AI through collective effort. Role overview As a Freelance AI Trainer – English Annotator, the focus is on helping AI systems interpret and understand real-world information. Tasks may involve evaluating AI-generated text, checking for factual accuracy, and comparing different responses. The specific work assigned will depend on current project requirements. Key responsibilities Review data sets, which may include text, images, or videos, for accuracy. Label and categorize content based on project guidelines. Identify and report content that is incorrect, sensitive, inappropriate, or unclear. Project details This freelance role is project-based. Tasks become available only when projects are active, and invitations to participate may vary depending on your profile and current openings. Compensation Pay varies by project and experience. AI trainers can earn up to $9 per hour. Location Remote , Pretoria, Gauteng, South Africa

Toloka AI is looking for a Computer Science Specialist skilled in Python to join projects focused on artificial intelligence. This role involves working with the Mindrift platform to support and develop AI-driven solutions. The position is remote, open to candidates based in Pretoria, Gauteng, or anywhere in South Africa. Key responsibilities Use Python programming to contribute to AI initiatives on the Mindrift platform Work closely with other specialists to build and improve artificial intelligence solutions Location This is a remote position for candidates located in South Africa, including Pretoria and Gauteng.

toloka-ai seeks a Senior Consultant to contribute to a freelance AI project. This contract role is fully remote, with a focus on candidates located in Pretoria, Gauteng, South Africa. Role overview This position centers on leading and advising AI-focused initiatives. The Senior Consultant will use consulting experience to guide project teams as they develop new artificial intelligence solutions for toloka-ai. Key responsibilities Advise and lead AI-related projects, providing strategic direction. Draw on consulting experience, especially from top-tier firms such as MBB. Support teams as they build and implement artificial intelligence solutions. Requirements Extensive consulting background, ideally with experience at a leading firm (MBB). Proven track record in AI projects or technology-driven initiatives. Ability to work independently in a freelance, remote setting. Location and work style This is a remote freelance contract. Applicants should be based in, or able to work from, Pretoria, Gauteng, South Africa.

Role overview toloka-ai seeks a Strategy Consultant specializing in AI training and evaluation. This is a remote role based in Pretoria, Gauteng, South Africa. The position centers on partnering with leading management consulting firms, including MBB and other top-tier organizations. What you will do Work closely with clients to shape strategies for AI system training and evaluation Offer guidance to improve AI processes and workflows Assist with implementing AI solutions that align with client goals Evaluate and report on the impact of AI training programs Who this role suits This position is well suited to consultants with a background in AI and a strong interest in strategic work. Those who enjoy helping organizations navigate technical and operational decisions in artificial intelligence will likely find this role engaging.

CXG is a leading global agency specializing in customer experience, dedicated to serving premium and luxury brands. Our mission is to facilitate brands in achieving sustainable growth by transforming transactional interactions into meaningful relationships and unforgettable emotional experiences.With a robust network of over 170 customer experience specialists across 70 countries, we empower brands to assess the quality of their customer interactions and collaborate with them to create initiatives that foster a remarkable experience and a strong business culture.As a Freelance Luxury Brand Evaluator, you will play a pivotal role in enhancing luxury retail experiences. Do you have a passion for premium brands? If you love shopping for luxury items or are an enthusiast of high-end products, we want to hear from you!Your role will involve conducting discreet evaluations of luxury stores in sectors such as cosmetics, fashion, jewelry, watches, and automobiles, providing valuable feedback on your experiences.Join us now to immerse yourself in the world of luxury retail and champion service excellence!

Join our dynamic team at AECOM, where we are seeking talented engineers to work on innovative dam and reservoir projects across Australia. This role offers the opportunity to contribute to essential infrastructure that supports communities and environmental sustainability.

Key Responsibilities:Drafting Support:Utilize AutoCAD Civil 3D or similar software to produce and refine technical drawings.Develop diagrams, layouts, and site plans essential for project documentation.Documentation Assistance:Aid in the preparation and formatting of technical reports and documents.Maintain precise record-keeping and version control of all project files.Technical Input:Conduct basic engineering calculations and quantity estimates as required.Ensure compliance with relevant municipal standards and client specifications.Project Coordination:Support tracking of project timelines, milestones, and deliverables.Facilitate communication with clients, suppliers, and other stakeholders as necessary.

Join Segula Technologies as a Mechanical Engineer specializing in Piping and Pressure Systems. In this role, you will be responsible for designing, analyzing, and optimizing piping systems and pressure vessels, ensuring compliance with industry standards and best practices. You will work on exciting projects that influence various sectors, including energy, infrastructure, and manufacturing.

Join Wabtec Corporation as a Field Service and Technical Advising Specialist, where you will be at the forefront of providing exceptional service and technical guidance to our clients. This role requires a blend of technical expertise and customer service skills to ensure our products operate optimally in the field.

Join Wabtec Corporation as a Field Service and Technical Advising Specialist where you will play a pivotal role in delivering exceptional technical support and service to our clients. In this dynamic position, you will be responsible for troubleshooting, maintaining, and optimizing our advanced systems in the field. We are looking for a proactive individual who thrives in a fast-paced environment and is committed to ensuring customer satisfaction through technical excellence.