Freelance Mechanical Engineer & Python Specialist for AI Training

Please submit your CV in English, including your proficiency level. Mindrift offers project-based opportunities for professionals to contribute to AI system development. The company works with major technology partners to test, evaluate, and improve AI models. This is not a permanent role, but rather project-driven freelance work. Role overview The Freelance Mechanical Engineer & Python Specialist role centers on developing and validating computational engineering problems for AI training. Each project presents unique challenges and may include tasks such as: Designing engineering problems that mirror real-world workflows Creating scenarios requiring Python programming for calculations and simulations Incorporating computationally intensive elements, including numerical methods and iterative solutions Focusing on system design, optimization, and analysis challenges Basing problems on actual research questions or practical engineering situations Verifying solutions using Python and standard engineering libraries Documenting problem statements clearly and supplying accurate, checked solutions Requirements Degree in Mechanical Engineering or a related field Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is valued At least 2 years of experience in applied engineering, research, or education Understanding of practical engineering constraints and approximations Strong written English skills at C1 level or higher Certifications such as CMME, SAS Certifications, or CAP, and experience with international or applied projects are considered a plus Application process Submit your application Complete qualification assessments Join a project Work on assigned tasks Receive payment Workload and commitment Active project periods typically require 10–20 hours per week. Actual hours depend on project demands and are not guaranteed outside of active assignments. Compensation Rates can reach up to $69 per hour, depending on contribution and pace. Compensation varies by project scope, complexity, and expertise required. Other projects may offer different rates. Location This is a remote role based in Virginia, United States.

Mindrift offers project-based roles for specialists in mechanical engineering and Python, supporting AI training initiatives for major technology clients. This freelance position is remote, open to candidates based in New York, United States, and centers on designing and validating engineering problems for AI systems. Role overview This role focuses on developing original computational engineering challenges that mirror real-world scenarios. Assignments include: Creating engineering problems that simulate practical workflows and research topics Designing tasks that require Python programming for calculations, simulations, and numerical analysis Building computationally intensive problems using iterative methods or numerical solutions Developing challenges related to system design, optimization, and engineering analysis Validating solutions in Python with standard engineering libraries Documenting problem statements and providing accurate, verified answers Requirements Bachelor’s degree or higher in Mechanical Engineering or a related field Strong proficiency in Python for numerical validation; familiarity with tools such as MATLAB, R, C, SQL, Numpy, Pandas, or SciPy is also accepted At least 2 years of professional experience in applied, research, or teaching roles Solid understanding of engineering constraints and practical approximations Excellent written English skills at C1 level or above Professional certifications (CMME, SAS, CAP) and experience with international or applied projects are considered advantageous Project process Submit an application Confirm qualifications Join a project Complete assigned tasks Receive compensation Time commitment Project tasks generally require 10–20 hours per week during active phases. Actual workload may vary depending on project needs and is not guaranteed. Compensation Rates for this freelance role reach up to $69 per hour, depending on contribution, project complexity, and expertise. Compensation may differ for other projects on the Mindrift platform. Application instructions Submit your CV in English and indicate your English proficiency level.

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based assignments for mechanical engineers with strong Python skills. This freelance role supports AI training and system improvement for technology clients. Assignments are remote, based in Wisconsin, United States, and are not permanent positions. What you will do Design computational engineering problems that reflect authentic workflows Create challenges requiring Python for calculations, simulations, or numerical analysis Ensure problems involve significant computational effort, such as iterative solutions or numerical methods Develop engineering scenarios related to system design, optimization, or analysis Base problems on real research questions or practical engineering situations Validate solutions in Python using standard engineering libraries Document problem statements clearly and provide verified solutions Requirements Degree in Mechanical Engineering or a related field Proficiency in Python for numerical validation; familiarity with tools like MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or similar At least 2 years of professional experience (applied, research, or teaching) Understanding of practical engineering constraints and approximations Strong written English skills (C1+ level) Professional certifications (such as CMME, SAS Certifications, CAP) and international or applied project experience are a plus How projects work Apply Pass qualifications Join a project Complete tasks Receive payment Time commitment Project phases usually require 10–20 hours per week. Actual workload depends on project needs and may vary; hours are not guaranteed. Compensation Earnings can reach up to $69 per hour, depending on experience, project complexity, and pace. Rates may vary by assignment.

Submit your CV in English and include your English proficiency level in the application. This freelance, project-based role with Mindrift connects electrical engineers and Python specialists to AI training projects for leading technology companies. Assignments focus on evaluating, testing, and improving AI systems through the creation and validation of challenging engineering problems. Role overview Freelance Electrical Engineers & Python Specialists work on projects that require designing computational problems reflecting real-world engineering workflows. Tasks often include: Developing engineering problems that simulate practical scenarios Creating problems that involve Python programming for calculations and simulations Ensuring problems use numerical methods or iterative solutions and are computationally demanding Designing scenarios related to system design, optimization, or analysis Basing tasks on actual research challenges or applied engineering cases Validating solutions in Python using standard engineering libraries Documenting clear problem statements and verified solutions Requirements Degree in Electrical Engineering or a closely related field Strong Python skills for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is valued Minimum of 2 years of experience in applied engineering, research, or teaching Understanding of practical engineering constraints and approximations Excellent written English (C1 level or higher) Professional certifications (such as CMME, SAS Certifications, CAP) and international or applied project experience are a plus Project commitment During active project periods, the expected commitment is approximately 10–20 hours per week. Actual hours may shift based on project needs. Compensation Contributors can earn up to $69 per hour, depending on expertise and project pace. Compensation varies by project scope, complexity, and required skills. Other projects on the platform may offer different rates. Application process Apply Pass qualification(s) Join a project Complete assigned tasks Receive compensation Location: Remote , New York, United States

Please submit your CV in English and specify your English proficiency level. This freelance, project-based role with Mindrift connects mechanical engineering professionals skilled in Python to contribute to AI projects for leading technology companies. Work is remote, with a focus on assignments for clients in San Antonio, Texas, United States. What you will do Design computational engineering problems that reflect real-world scenarios and processes Create challenges that involve Python programming for engineering calculations and simulations Develop tasks that require numerical methods or iterative approaches, ensuring computational intensity Build scenarios focused on system design, optimization, and analytical problem-solving Base assignments on actual research challenges or practical engineering applications Validate solutions using Python and standard engineering libraries Document problem statements and provide verified solutions Requirements Degree in Mechanical Engineering or a related discipline Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific languages is a plus Minimum of 2 years of relevant experience (applied, research, or teaching) Solid understanding of practical engineering constraints and approximations Excellent written English skills (C1 level or above) Professional certifications (such as CMME, SAS, CAP) and experience with international or applied projects are advantageous Project workflow Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Time commitment Active project phases typically require an estimated 10–20 hours per week. Actual workload may vary depending on project needs. Compensation Earn up to $69 per hour, with rates based on expertise and pace. Compensation varies by project, reflecting scope, complexity, and required skills.

Please apply in English and include your English proficiency level. Mindrift connects skilled professionals with project-based AI assignments for major technology companies. Work centers on testing, evaluating, and improving AI systems. All roles are freelance and project-based, not permanent employment. Role overview This freelance opportunity is designed for mechanical engineers with strong Python skills who are interested in flexible, part-time project work. Contributors play a key role in creating and validating computational engineering problems that advance AI development. What you will do Develop original engineering scenarios that mirror real-world processes. Design problems that require Python programming for engineering computations and simulations. Ensure tasks involve computationally intensive methods, including numerical or iterative solutions. Create scenarios focused on system design, optimization, and analytical problem-solving. Base your work on real research questions or practical engineering applications. Validate solutions in Python, using recognized engineering libraries. Write clear problem statements and provide thoroughly checked solutions. Requirements Degree in Mechanical Engineering or a closely related field. Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also valued. At least 2 years of relevant experience in applied, research, or teaching roles. Understanding of practical engineering limitations and approximations. Excellent written English (C1 level or above). Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus. How projects work Apply Complete qualifications Join a project Execute assigned tasks Receive compensation Project commitment During active project phases, tasks usually require about 10 to 20 hours per week, depending on project needs. This estimate is not guaranteed and applies only while a project is active. Compensation Contributors can earn up to $69 per hour, depending on contribution level and pace. Actual pay varies by project, based on scope, complexity, and expertise required. Other projects on the platform may offer different rates depending on their requirements.

We kindly ask you to submit your CV in English and specify your English proficiency level.At Mindrift, we specialize in connecting skilled professionals with project-based AI opportunities from leading technology firms, focusing on the assessment, testing, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.What This Role EntailsWhile each project presents distinct tasks, contributors may be involved in:Developing mechanical engineering problems at both graduate and industry levels, based on practical applications.Assessing AI-generated outputs for accuracy, underlying assumptions, and sound engineering principles.Utilizing Python (including libraries such as NumPy, SciPy, and Pandas) to validate analytical or numerical results.Enhancing AI reasoning to ensure alignment with fundamental principles and established engineering norms.Employing structured scoring criteria to evaluate multi-step problem-solving processes.Qualifications We SeekThis opportunity is particularly suitable for mechanical engineers with Python experience who are open to part-time, non-permanent projects. Ideal candidates will possess:A degree in Mechanical Engineering or related disciplines (e.g., Thermodynamics, Fluid Mechanics, Mechanical Design, Computational Mechanics).A minimum of 3 years of professional experience in mechanical engineering.Excellent written English skills (C1/C2 level).Proficiency in Python for numerical validation.A reliable internet connection.Professional certifications (e.g., PE, CEng, PMP) and experience with international or applied projects will be considered advantageous.How the Process WorksStep 1: Apply → Step 2: Pass qualifications → Step 3: Join a project → Step 4: Complete tasks → Step 5: Receive payment.Project Commitment ExpectationsFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, depending on project needs. This estimate is not a guarantee of workload and only applies while the project remains active.CompensationContributions will be compensated at rates up to $55/hour*.Compensation may be structured as a fixed project rate or individual rates, depending on the specific project.Some projects may offer incentive payments.*Note: Compensation rates vary based on expertise, skill assessments, location, project requirements, and other factors. Highly specialized experts may receive higher rates, while lower rates may apply during onboarding or non-core project phases. Specific payment details will be provided for each project.

Mindrift offers project-based roles for professionals interested in advancing AI systems within the field of chemistry. This freelance opportunity is remote and open to candidates based in Wisconsin, United States. The position is not permanent and is suitable for those seeking flexible, part-time project work. Role overview Contributors will design and document original computational chemistry problems that reflect real-world research workflows. Tasks include: Creating problems that require Python programming to solve, using libraries such as numpy, scipy, and specialized chemical libraries Ensuring problems are computationally intensive and not solvable manually within a short timeframe Developing scenarios that demand advanced reasoning in physical chemistry, quantum chemistry, and molecular modeling Basing problems on authentic research challenges or practical applications in chemistry Verifying solutions in Python using standard computational chemistry methods Clearly documenting each problem statement and providing accurate, verified answers Requirements Degree in Chemistry or a related discipline Proficiency in Python for numerical validation (skills in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar languages are also considered) At least 2 years of experience in applied research or teaching Background in numerical methods for chemistry Familiarity with computational chemistry concepts and methodologies Strong written English skills (C1 level or higher) Project structure The process includes applying, passing qualifications, joining a project, completing assigned tasks, and receiving compensation. Project commitment is estimated at 10–20 hours per week during active periods, though actual workload may vary depending on project needs. Compensation Contributors may earn up to $76 per hour, based on expertise and pace. Compensation varies by project, reflecting the scope, complexity, and required skills. Other projects may have different pay rates depending on their specific requirements. Please submit your CV in English and indicate your English proficiency level.

Please submit your CV in English and specify your English proficiency level. Mindrift connects experienced professionals with project-based assignments to help technology companies test, evaluate, and improve AI systems. These roles are not permanent positions but offer flexible, freelance work. Role overview This freelance opportunity is designed for electrical engineers with strong Python skills who are interested in part-time, project-based work. The main focus is on designing and validating computational engineering challenges that mirror real-world engineering scenarios. Create engineering problems that simulate authentic processes and require Python programming for calculations and simulations Develop computationally intensive challenges involving numerical or iterative methods Focus on system design, optimization, or analysis in the problems you create Base each challenge on real research or practical engineering applications Validate solutions using Python and established engineering libraries Document each problem statement clearly and provide verified solutions Requirements Degree in Electrical Engineering or a related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus Minimum of 2 years of professional experience in applied work, research, or teaching Understanding of practical engineering constraints and approximations Strong written English skills at C1 level or higher Professional certifications such as CMME, SAS Certifications, CAP, and experience with international or applied projects are advantageous Project workflow Submit your application Complete qualification steps Join a project Work on assigned tasks Receive payment Time commitment Most project phases require an estimated 10-20 hours per week. Actual workload may vary depending on project needs and timing. Compensation Earnings can reach up to $69 per hour, depending on expertise and project complexity. Rates may differ by assignment based on scope and required skills. Location This is a remote contract role based in San Antonio, Texas, United States.

Toloka AI is hiring a Freelance Civil Engineer & Python Specialist for a remote contract role based in Pennsylvania. This position blends civil engineering expertise with Python programming to advance AI training workflows and system performance. Responsibilities Apply civil engineering knowledge to guide and enhance AI training processes. Create Python scripts or tools that streamline data handling and support model training. Work closely with Toloka AI teams to address technical challenges in AI system development. Location This is a remote position open to candidates in Pennsylvania, United States.

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects skilled professionals with project-based AI work for major technology companies. The focus is on testing, evaluating, and improving AI systems. This is a project-based, non-permanent role. Role overview This freelance position combines electrical engineering expertise with Python programming skills. Contributors work on assignments that mirror real-world engineering workflows and research challenges. Projects focus on designing and verifying computational problems that require advanced calculations and simulations. Create engineering problems that involve system design, optimization, and analysis Develop scenarios requiring numerical methods or iterative solutions using Python Base assignments on practical engineering tasks or current research topics Verify solutions in Python, applying standard engineering libraries Document problem statements and provide clear, accurate answers Requirements Degree in Electrical Engineering or a closely related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or domain-specific libraries is a plus At least 2 years of professional experience in applied, research, or educational contexts Understanding of engineering constraints and practical approximations Strong English writing skills at C1 level or higher Certifications such as CMME, SAS, or CAP, and experience with international or applied projects are advantageous How to participate The process includes applying, passing qualifications, joining a project, completing assigned tasks, and receiving compensation. Project commitment During active project phases, tasks typically require 10–20 hours per week. Workload may vary and is not guaranteed outside these periods. Compensation Contributors may earn up to $69 per hour, depending on expertise and project requirements. Compensation varies by assignment, based on scope, complexity, and required skills. Other projects on the platform may offer different rates. Location: Remote , Virginia, United States

Toloka AI is seeking a freelance consultant with a strong background in biology and Python to help train AI models. This remote role is based in Pennsylvania and focuses on improving how AI systems interpret and process biological data. Role overview This position centers on using biology and Python expertise to support the development and training of AI models. The work involves guiding AI systems to better understand complex biological information. Work environment The role is fully remote, offering flexibility in where and how work is completed. Collaboration with other team members is an important part of the job. Location Remote , Pennsylvania, United States

Toloka AI, through Mindrift, connects experienced professionals to project-based assignments that support AI training for leading technology companies. This contract role is not a permanent position and offers work on a project-by-project basis. Role overview This freelance Optical Engineer position focuses on developing and validating computational physics problems for AI training and evaluation. Projects often require strong Python programming skills and familiarity with libraries such as Numpy, SciPy, or Sympy. Assignments may involve: Designing computational physics challenges that reflect real research workflows Creating problems that require Python-based solutions, often using scientific libraries Ensuring tasks are complex enough that they cannot be solved by hand in a short time Developing scenarios involving mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing challenges on real-world physics or authentic research problems Validating solutions using Python and standard physics simulation tools Clearly documenting problem statements and providing verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Proficiency in Python for numerical problem-solving; experience with MATLAB, R, C, SQL, Numpy, Pandas, or SciPy is a plus Minimum of 2 years of professional experience (applied, research, or teaching) Background in numerical simulation methods Ability to design problems based on actual research workflows Creative problem-solving across multiple physics domains Understanding of physics modeling and approximation techniques Strong written English skills at C1 level or above Application process Submit your CV in English and indicate your English proficiency level Complete qualification steps Join a project Work on assigned tasks Receive compensation Time commitment During active project phases, expect to dedicate approximately 10–20 hours per week. Workload may vary depending on project needs. Compensation Compensation can reach up to $76 per hour, based on expertise and task completion rate. Actual pay depends on project complexity, scope, and experience required. Other projects on the platform may offer different rates. Location: Remote , Virginia, United States

Mindrift connects mathematics and Python specialists with project-based AI consulting work for leading technology companies. Assignments focus on evaluating, testing, and improving AI systems. All roles are freelance and do not offer permanent employment. Role overview Projects vary in scope and challenge. As a Mathematics & Python Specialist, tasks may include: Designing original computational mathematics problems that mirror real research workflows Creating problems that require Python programming for their solution, using libraries such as Numpy, SciPy, or Sympy Developing computationally intensive problems that are impractical to solve by hand Building problems involving advanced reasoning in number theory, combinatorics, graph theory, or numerical analysis Basing problems on actual research challenges or practical mathematical scenarios Validating solutions with Python and standard mathematical libraries Documenting problem statements and supplying accurate solutions Requirements Degree in Mathematics (Pure or Applied) or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, or SciPy is also considered At least 2 years of professional experience in applied mathematics, research, or teaching Familiarity with numerical methods and symbolic computation Ability to design problems that reflect authentic mathematical research processes Knowledge of computational complexity theory Strong written English skills at C1 level or higher Project engagement Workload during active projects is typically estimated at 10–20 hours per week, depending on project needs. Actual hours may vary. Compensation Contributors may earn up to $76 per hour, with rates depending on expertise and the pace of contributions. Compensation structures differ by project complexity and requirements. Application process To apply, submit a CV in English and specify your English proficiency level. The process includes qualification steps, joining a project, completing assigned tasks, and receiving payment upon completion.

Toloka AI is seeking a Freelance AI Trainer with a strong background in both Biology and Python. This remote contract role is based in Wisconsin, United States. Role overview This position centers on creating and presenting training materials for AI projects. The main focus is on helping others understand biological concepts and Python programming as they relate to artificial intelligence work. What you will do Develop clear, effective training content covering biology and Python topics Deliver these materials to support AI project teams Communicate complex ideas in a way that is accessible and engaging Requirements Expertise in biology Strong knowledge of Python programming Ability to explain technical subjects clearly

Toloka AI seeks a freelance Civil Engineer & Python Specialist to help train AI applications. This remote contract role is open to candidates based in New York, United States. The position brings together civil engineering expertise with practical Python programming to support Toloka AI’s projects. Key responsibilities Use civil engineering knowledge and Python skills to develop and improve AI solutions. Create educational materials that assist with AI training and development. Lead or join training sessions on engineering and programming topics. Collaborate with the Toloka AI team to enhance AI model performance. Requirements Strong foundation in civil engineering concepts and practices. Proficient Python programming skills. Experience with AI application development or training is a plus. Clear communication skills, both in writing and in training settings. Ability to work independently as a freelancer and coordinate with a distributed team.

Toloka AI is hiring a freelance AI trainer with experience in civil engineering and Python. This contract position is fully remote and based in Iowa, United States. The role centers on bringing together civil engineering knowledge and artificial intelligence to support the development of advanced AI models. Role overview This position focuses on training AI systems by applying technical expertise from civil engineering. The work involves hands-on tasks that blend engineering concepts with machine learning projects. What you will do Guide the development of AI models using civil engineering knowledge Support training and project tasks with Python programming Collaborate with Toloka AI's team to advance AI applications in civil engineering Location This is a remote contract role based in Iowa, United States.

Please submit your resume in English and specify your English proficiency level. Mindrift offers project-based assignments for professionals in technology fields, focusing on testing and improving AI systems. This freelance role is not a permanent position and is open to candidates based in Wisconsin, United States. All work is remote. Role overview This freelance AI Trainer position blends electrical engineering knowledge with Python programming. The role centers on designing and verifying engineering problems that challenge AI systems, using real-world scenarios and computational methods. Main responsibilities Design computational engineering problems that mirror real engineering workflows Create tasks requiring Python programming for calculations and simulations Ensure problems involve numerical methods or iterative solutions and are computationally intensive Develop challenges in system design, optimization, and analysis Base problems on research topics or practical engineering applications Verify solutions using Python and standard engineering libraries Document problem statements clearly and provide accurate, verified answers Requirements Degree in Electrical Engineering or a related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also acceptable Minimum of 2 years of professional experience (applied, research, or teaching) Understanding of practical engineering constraints and approximations Strong written English skills at C1 level or above Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are considered a plus How to apply Apply Pass qualifications Join a project Complete tasks Receive compensation Time commitment Project phases usually require about 10-20 hours per week. Actual workload may shift depending on project needs. Compensation Contributors can earn up to $69 per hour, depending on experience and contribution speed. Rates may vary by project based on complexity, scope, and required expertise. Other projects on Mindrift may offer different compensation levels.

Toloka AI is looking for a Freelance AI Training Consultant with a strong background in biology and Python programming. This remote role is based in Iowa, United States. Role overview This position centers on supporting AI training programs that involve biological applications. The consultant will apply both biology expertise and Python skills to help improve educational materials and training processes for artificial intelligence projects. What you will do Contribute biological knowledge to AI training initiatives Use Python programming to support and refine training content Offer guidance to enhance the quality and effectiveness of AI education programs Location This is a remote position open to candidates located in Iowa, United States.

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects skilled specialists with project-based AI work for leading technology companies. Projects focus on testing, evaluating, and improving AI systems. All participation is project-based and does not create permanent employment. Role overview This freelance AI Trainer role centers on designing and validating computational physics problems that require Python programming. Each project brings a unique set of tasks, often inspired by real research workflows or practical physics applications. Contributors may: Design computational physics problems that reflect authentic research scenarios Create challenges solvable only through Python code, often using libraries like Numpy, SciPy, or Sympy Ensure problems are computationally intensive and not easily solved by hand Develop questions requiring advanced reasoning in areas such as mechanics, electromagnetism, thermodynamics, or quantum mechanics Validate solutions in Python, sometimes using established physics simulation libraries Document problem statements clearly and provide confirmed correct answers Requirements Degree in Physics (theoretical, experimental, or computational) or a related discipline Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus At least 2 years in applied research or teaching roles Background in numerical simulation methods Ability to design problems that mirror real-world physics research Creative problem-solving across multiple physics domains Strong understanding of physics modeling and approximation techniques Excellent written English skills at C1 level or above How projects work Apply Pass qualifications Join a project Complete tasks Receive payment Time commitment During active project phases, expect about 10–20 hours per week, depending on project needs. Workload may fluctuate and is not guaranteed outside these periods. Compensation Earn up to $76 per hour, depending on expertise and contribution speed. Pay varies by project based on complexity and required skills. Other Mindrift projects may offer different rates.