Freelance Optical Engineer with Python Expertise

Please submit your CV in English and specify your English proficiency level. About the Project Toloka AI, in partnership with Mindrift, connects skilled professionals to project-based work for leading technology firms. This role focuses on testing, evaluating, and improving AI systems. This is a project-based, freelance position, not permanent employment. What You Will Do Create original computational physics problems that reflect real research workflows. Design problems requiring Python programming to solve, using libraries such as NumPy, SciPy, or SymPy. Ensure problems are computationally intensive and cannot be solved manually within a reasonable timeframe. Develop tasks that require advanced reasoning in areas like mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base problems on genuine research challenges or scenarios from physics practice. Validate solutions in Python, using established simulation libraries. Document problem statements clearly and supply verified solutions. Who We’re Looking For Optical engineers with strong Python skills, interested in part-time, project-based work. 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 also valued. At least 2 years of professional experience in applied research or teaching. Familiarity with numerical simulation methods. Skill in designing problems that mirror authentic research workflows. Creative approach to problem design across multiple physics domains. Understanding of modeling and approximation techniques in physics. Excellent written English (C1 level or higher). How to Apply Submit your application. Pass the qualification process. Join a project. Complete assigned tasks. Receive payment. Time Commitment Tasks typically require 10–20 hours per week during active project periods. Actual workload may vary depending on project needs. Compensation Earn up to $10 per hour, depending on the complexity of the tasks and your pace. Compensation may differ for other projects on the platform based on their requirements.

Please submit your CV in English and include your English proficiency level. About the Role Toloka AI, in partnership with Mindrift, connects skilled professionals to project-based AI initiatives from leading technology companies. This freelance position focuses on evaluating and improving AI systems through advanced physics problem design. Engagement is strictly project-based and does not constitute permanent employment. What You'll Do Design computational physics problems that mirror real research workflows in physics. Create programming challenges that require solutions in Python, using libraries such as Numpy, SciPy, and Sympy. Ensure problems are complex enough to be unsolvable by hand within days or weeks. Develop tasks involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base challenges on authentic research scenarios or real-world physics applications. Validate all solutions using Python and established physics simulation tools. Document each problem thoroughly and provide accurate, verified solutions. Who We're Looking For Degree in Physics (theoretical, experimental, or computational) or a related field. Proficient in Python for numerical validation. Equivalent experience in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is valued. Minimum of 2 years in applied, research, or teaching roles. Experience with numerical simulation methods. Ability to design problems that reflect real research practices in physics. Creative problem-solving skills across multiple physics domains. Familiarity with physics modeling and approximation techniques. Strong written English at C1+ level. How to Apply Apply online Complete qualification steps Join a project Complete assigned tasks Receive payment Time Commitment During active project phases, tasks typically require 10–20 hours per week. Actual workload depends on project needs and is not guaranteed outside active periods. Compensation Earn up to $10 per hour, depending on contribution level and pace. Rates may vary by project based on scope, complexity, and expertise required. Other projects on the platform may offer different compensation. Location This is a remote freelance role based in Hyderabad, Telangana, India.

Mindrift connects professionals with AI projects for leading technology companies. The platform focuses on advancing Generative AI by involving specialists from around the world. Role overview This Freelance Python Data Scraping Engineer position supports the Tendem project. The role is remote and part-time, open to candidates based in Hyderabad, Telangana, India, or those working remotely from there. Work centers on improving hybrid AI and human-driven data scraping workflows. As an AI Pilot, collaboration with Tendem Agents is a key part of the job. The position blends hands-on technical work with critical thinking and quality control, aiming for precise and actionable web data extraction. What you will do Manage end-to-end data extraction on complex websites to deliver accurate, structured datasets. Work with internal tools such as Apify and OpenRouter, plus custom methods, to collect, validate, and process data to meet project needs. Adjust scraping strategies for dynamic, interactive, and JavaScript-heavy web content, responding to changes in site behavior as they arise. Maintain high data quality through validation, consistency checks, compliance with formatting standards, and thorough verification before delivery. Optimize large-scale scraping by batching or parallel processing, monitoring for failures, and adapting to changes in site structure. Requirements Minimum 3 years of experience in data engineering, web scraping, automation, or similar fields. Strong Python skills and experience with web scraping frameworks. Demonstrated ability to extract data from complex and dynamic web applications. Keen analytical skills and attention to detail for data quality. Clear written and verbal communication abilities. Compensation Contributors may earn up to $12 per hour, depending on experience and pace. Compensation varies by project scope, complexity, and expertise required. How to get started Apply to this posting and complete the qualification process to join. Projects are matched to technical strengths, and schedules are flexible. Tasks include coding, automation, and refining AI outputs, all aimed at improving AI capabilities and practical applications.

Please submit your CV in English and include your English proficiency level. toloka-ai (in partnership with Mindrift) connects skilled specialists to project-based AI roles with leading tech companies. These roles focus on evaluating, testing, and improving AI systems. This is a project-based engagement, not a permanent employment position. Role Overview This freelance position centers on developing and validating challenging computational physics problems for AI system evaluation. Contributors work on tasks such as: Designing original computational physics challenges that mirror real research workflows Creating problems that require Python programming to solve, using libraries like Numpy, SciPy, or Sympy Ensuring problems are complex enough that manual solutions are impractical (requiring days or weeks) Developing scenarios involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing problems on authentic research challenges or practical physics implementations Validating solutions in Python with standard physics simulation tools Writing clear problem statements and providing verified, correct solutions What We Look For Degree in Physics (theoretical, experimental, or computational) or a related field Strong Python skills for numerical validation; familiarity with other languages or tools (MATLAB, R, C, SQL, Numpy, Pandas, SciPy, Stata, or domain-specific libraries) is also valued At least 2 years of experience in applied research or teaching Background in numerical simulation techniques Ability to design problems that reflect real-world physics research Creative problem-solving across multiple physics domains Understanding of physics modeling and approximation methods Excellent written English (C1+ level) How the Process Works Application steps: Apply Pass qualifications Join a project Complete assigned tasks Receive payment Project Commitment During active project phases, tasks typically require about 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed workload. Compensation Contributors can earn up to $10 per hour, depending on contribution and efficiency. Actual rates may vary by project scope, complexity, and required skills. Other projects on the platform may offer different earning potential based on their specific requirements. Location This is a remote role based in Hyderabad, Telangana, India.

Please submit your CV in English and include your English proficiency level. Toloka AI, through Mindrift, connects material scientists and engineers with project-based AI work for leading technology companies. These freelance roles focus on evaluating and improving AI systems. Positions are not permanent and assignments vary by project. Role overview Freelance AI Trainers with material science backgrounds and Python expertise contribute to a range of project-specific tasks. Typical responsibilities include: Designing original material engineering problems that reflect real-world workflows Creating challenges that require Python programming for calculations and simulations Ensuring problems involve computationally intensive tasks, such as numerical methods or iterative solutions Developing tasks related to system design, optimization, and analysis Formulating problems based on research challenges or practical engineering applications Verifying solutions in Python using standard engineering libraries Documenting problem statements clearly and providing accurate, verified answers Preferred qualifications Degree in Material Science or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or similar libraries is valued At least 2 years of experience in applied research or teaching Strong understanding of practical engineering constraints and approximations Excellent written English (C1+ level) How to join a project Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Project time commitment During active project phases, tasks typically require 10–20 hours per week. Workload may vary depending on project requirements. Compensation Contributors can earn up to $10 per hour, depending on expertise and task completion rate. Actual compensation may differ by project, based on complexity and required skills. Location: Remote , Hyderabad, Telangana, India

Toloka AI seeks a Civil Engineer with strong Python experience to join as a Freelance AI Trainer. This contract position centers on developing and delivering training modules for AI projects that combine civil engineering principles with Python programming. Role overview This role involves designing educational content that bridges civil engineering and Python. You will create and present training materials to support AI initiatives, ensuring technical concepts are clearly explained and relevant to project needs. Location This is a remote position based in Hyderabad, Telangana, India.

Please submit your CV in English and indicate your level of English proficiency. About Mindrift Mindrift connects skilled professionals with project-based AI work for leading technology companies. Projects focus on testing, evaluating, and improving AI systems. This is a project-based, freelance role and not a permanent position. Role Overview As a Freelance Electrical Engineer & Python Specialist (AI Trainer), contribute to the development and validation of computational engineering challenges for AI training. Work is remote, with a focus on projects based in Hyderabad, Telangana, India. Main Responsibilities Design computational engineering problems that reflect real engineering workflows. Create programming tasks using Python for calculations and simulations. Ensure tasks require significant computation, such as numerical methods or iterative solutions. Develop problems related to system design, optimization, and analysis. Base challenges on practical engineering or research scenarios. Validate solutions in Python, using standard engineering libraries. Document problems clearly and provide verified solutions. Who This Suits This freelance role is ideal for engineers with Python experience seeking part-time, project-based work. Candidates should have: A degree in Electrical Engineering or a related field. Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other programming languages is also acceptable. At least 2 years of professional experience in applied, research, or educational settings. Strong grasp of practical engineering constraints and approximations. Excellent written English skills (C1 level or higher). Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus. How Projects Work Apply Pass qualifications Join a project Complete assigned tasks Receive payment Time Commitment During active project phases, expect to spend about 10-20 hours per week. Actual workload may vary depending on project needs and is not guaranteed. Compensation Contributors can earn up to $9 per hour, depending on expertise and pace. Compensation varies by project scope, complexity, and required skills. Some projects may offer different earning levels based on their specific requirements.

Role Overview Toloka AI is looking for a Freelance AI Trainer with a strong background in Mechanical Engineering and Python. This remote position is based in Hyderabad, Telangana, India. What You Will Do Apply technical knowledge in Mechanical Engineering and Python to support AI training initiatives. Help design and improve training programs for AI systems. Work with a collaborative team on projects focused on advancing technology. Location Remote , Hyderabad, Telangana, India

Are you passionate about biology and proficient in Python? Join us as a Freelance AI Trainer with Toloka AI, where you will harness the power of artificial intelligence to enhance our training modules. This role allows you to work remotely while contributing to exciting projects that bridge the gap between biology and technology.

Mindrift, part of toloka-ai, connects skilled specialists with project-based AI work for leading tech companies. The focus here is on evaluating, testing, and improving AI systems. This Mathematics & Python Specialist role is freelance and project-based, not a permanent position. Role overview This position centers on designing and verifying advanced computational mathematics problems that mirror real research workflows. Tasks are remote and based out of Hyderabad, Telangana, India, but open to candidates working from anywhere. What you will do Create original computational mathematics problems based on actual research practices Formulate problems that require Python programming to solve, using libraries like Numpy, SciPy, and Sympy Design problems that are too complex for manual solution within reasonable timeframes Develop challenges involving advanced reasoning in areas such as number theory, combinatorics, graph theory, and numerical analysis Base problems on real research issues or practical mathematical applications Verify solutions using Python and standard mathematical libraries Document problem statements clearly and provide thoroughly checked 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, or similar tools is also accepted At least 2 years of relevant experience in applied mathematics, research, or teaching Experience with numerical methods and symbolic computation Ability to design problems that reflect real mathematical research processes Understanding of computational complexity theory Strong written English skills at C1 level or above Project commitment Workload is estimated at 10–20 hours per week during active project phases, depending on demand. This is an approximate range and not a guaranteed number of hours. Compensation Contributors may earn up to $10 per hour, depending on the complexity of the project and individual contribution. Compensation can vary between projects based on their requirements. Application process Submit a CV in English along with your English proficiency level. The process includes qualification steps before joining a project. Tasks are assigned after successful qualification, and payment follows task completion.

We kindly request that you submit your CV in English along with your English proficiency level.At Mindrift, we bridge the gap between skilled professionals and project-based AI opportunities with top technology companies. Our focus is on the testing, evaluation, and enhancement of AI systems. Please note that this is a project-based opportunity rather than permanent employment.What You Will DoWhile each project presents distinct challenges, contributors may be tasked with:Crafting original computational physics problems that emulate authentic physics research workflows.Formulating problems necessitating Python programming for solutions, utilizing libraries such as Numpy, SciPy, and Sympy.Ensuring that problems require substantial computational effort, making manual solutions impractical within reasonable timeframes.Developing problems that involve complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics.Grounding problems in real research challenges or practical applications from the field of physics.Validating solutions through Python using standard physics simulation libraries.Documenting problem statements with clarity and providing verified correct answers.Who We Are Looking ForThis role is ideal for physicists experienced in Python who are open to part-time, non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines.Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language will also be considered.At least 2 years of professional experience, including applicable applied, research, or teaching experience.Experience with numerical simulation techniques.The ability to design problems reflecting real physics research workflows.Creative problem design skills across various physics domains.Familiarity with physics modeling and approximation methods.Strong written English skills (C1+ level).How the Process WorksApply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Time ExpectationsTasks for this project are estimated to require approximately 10–20 hours per week during active phases, based on specific project requirements. This is an estimate and not a guaranteed workload, applicable only while the project is active.CompensationContributors can earn up to $10 per hour, depending on their level of expertise and contribution pace. Compensation varies across projects based on scope, complexity, and required expertise, and may differ from other projects on the platform.

Please submit your CV in English and indicate your English proficiency level. About the Role toloka-ai, in partnership with Mindrift, connects skilled professionals to project-based work in the AI sector. This freelance position focuses on developing and reviewing advanced computational statistics problems that support the evaluation and refinement of AI systems. This is a project-based role, not a permanent employment offer. What You Will Do Create original computational statistics problems that mirror real mathematical research workflows Design problems requiring Python programming for solutions, using libraries such as Numpy, SciPy, or Sympy Ensure problems are computationally intensive and not solvable manually in a reasonable timeframe Develop complex challenges involving advanced reasoning in areas like number theory, combinatorics, graph theory, or numerical analysis Base problems on authentic research questions or practical mathematical applications Validate solutions in Python using established mathematical libraries Document problem statements clearly and provide verified solutions Who We’re Looking For Degree in Statistics or a closely related field Strong Python skills for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also welcome At least 2 years of professional experience in applied statistics, research, or teaching Excellent written English (C1 level or higher) Professional certifications (such as CMME, SAS Certifications, or CAP) and experience with international or applied projects are a plus How to Apply Submit your application Complete qualification steps Join a project Finish assigned tasks Receive compensation Time Commitment Project tasks typically require about 10–20 hours per week during active phases. Actual workload depends on project needs and may vary. Hours are only available while the project is active. Compensation Contributors may earn up to $11 per hour, depending on expertise and pace. Rates can differ across projects based on complexity, required skills, and scope. Other projects on the platform may offer different compensation levels. Location This is a remote contract role based in Hyderabad, Telangana, India.

This freelance, project-based role connects chemistry professionals with Python skills to artificial intelligence projects for leading technology firms. Assignments focus on creating, evaluating, and testing computational chemistry problems that help train and improve AI systems. The position is remote and open to candidates based in Hyderabad, Telangana, India, or working remotely from elsewhere. What you will do Design computational chemistry challenges that mirror real research tasks. Develop problems requiring Python programming solutions using libraries such as numpy, scipy, and chemistry-specific packages. Ensure problems are complex enough that manual solutions would be impractical. Create tasks involving advanced reasoning in physical chemistry, quantum chemistry, and molecular modeling. Base problems on real-world research or practical chemistry scenarios. Validate all solutions in Python, applying established computational chemistry methods. Document problem statements and provide clearly written, verified solutions. Requirements Degree in Chemistry or a closely related field. Strong Python skills for numerical validation (knowledge of MATLAB, R, C, SQL, Numpy, Pandas, or SciPy is also acceptable). At least 2 years of professional experience in applied, research, or teaching roles. Experience with numerical methods in chemistry. Solid grasp of computational chemistry concepts and methods. Excellent written English (C1 level or higher). Project details This is a part-time, non-permanent opportunity. During active project phases, expect to spend around 10–20 hours per week, though actual workload may vary and is not guaranteed. Compensation Earn up to $10 per hour, depending on project scope, complexity, and contribution. Pay rates may differ for other projects on the platform. How to apply To start, submit your CV in English. The application process includes qualification steps, joining a project, completing assigned tasks, and receiving payment upon completion.

Job Title: Senior Python Software Engineer Job Description: Join Zeta Global as a Senior Python Software Engineer, where your extensive experience of at least 5 years in developing and maintaining Python applications will be invaluable. We seek an innovative problem-solver who excels in fast-paced environments and is passionate about crafting scalable, high-performance, and secure software solutions. In this pivotal role, you will collaborate with cross-functional teams to design, develop, and optimize our internal systems. Your technical expertise will be crucial in shaping our software landscape while upholding best practices for code quality, testing, and maintainability.

Role overview Experian seeks a Staff Engineer in Hyderabad with strong skills in Java, Scala, and Python. This role centers on designing and delivering software solutions that support business needs and enhance data analytics platforms. What you will do Collaborate with teams across Experian to design, build, and deliver software solutions. Shape and improve data analytics platforms, with attention to performance and reliability. Apply technical expertise to projects that drive core business objectives. Requirements Extensive experience with Java, Scala, and Python. Background in designing and developing software as part of a team. Dedication to producing high-quality, reliable software. This position offers the chance to work on impactful solutions within a collaborative setting at Experian.

Join egnifytechnologies as a Backend Product Engineer specializing in Python. In this role, you will work closely with our development team to design, implement, and optimize back-end components of our innovative products. Your expertise will contribute to the overall performance and scalability of our solutions.If you are passionate about coding, enjoy problem-solving, and thrive in a collaborative environment, we want to hear from you!

Join Our Dynamic Team at PlaneAt Plane, we are revolutionizing project management software by providing a flexible, user-friendly platform that eliminates the constraints of traditional tools. Explore our website to learn more.In just two years, Plane has achieved a remarkable position as the #1 open-core alternative to industry giants like Jira, Monday, and Asana, thanks to our commitment to seamless configurations and features designed to foster our customers' growth.We pride ourselves on creating a delightful work management experience for teams globally, aspiring to be the WorkOS of tomorrow. Our innovative approach is supported by a strong backing from OSS Capital, and we are currently a revenue-positive startup with a talented workforce comprising individuals from leading organizations such as Microsoft and Yahoo.

Toloka AI seeks a Computer Science Specialist with advanced Python skills to contribute to AI projects on the Mindrift platform. This role is remote, with a focus on candidates based in Hyderabad, Telangana, India. Key responsibilities Use Python to build and refine AI-driven solutions Tackle complex technical challenges as part of a collaborative team Support projects that explore new possibilities in AI technology Location This is a remote position for candidates located in Hyderabad, Telangana, India.

At Definian, we empower organizations to harness the full potential of their data. With a focus on data strategy, modernization, advanced analytics, and the integration of AI and automation, we enable leaders to navigate their digital transformation with confidence and precision.Exciting Career Opportunity:We are seeking skilled Senior Software Engineers (Python) to become integral members of our expanding team in Hyderabad, India.This is an incredible opportunity to create innovative tools from the ground up. You'll be actively involved in developing the Definian Data Platform (DDP), a collection of internal tools designed to enhance consulting delivery, alongside utilities and AI integrations that streamline our operations. Unlike working on outdated systems, you will engage in greenfield development—building new capabilities without the burden of technical debt.The DDP encompasses tools for code generation, data mapping, data lineage visualization, and an AI-driven coding assistant. You will utilize modern Python technology, cloud services, and AI/LLM APIs to develop tools that enhance the efficiency of our consultants and expedite our service delivery.As one of the pioneering engineers on our India team, your contributions will be prominent, and your ideas will significantly influence our development. This role involves collaboration with our India-based Software Architect and technical leadership from the US, where you will co-create solutions instead of following predefined specifications.As an AI-forward organization, we leverage tools like Claude and Claude Code to enhance our development processes. You will utilize these technologies daily and work on systems that integrate with AI and LLM APIs, placing you at the forefront of both development and AI innovation.This role requires strong proficiency in Python, experience with APIs and cloud services, and a genuine interest in AI/LLM technologies. For engineers eager to innovate, engage with cutting-edge technology, and witness the immediate impact of their work, this is a unique opportunity that will accelerate your career.Your Responsibilities:Design and develop new tools for the Definian Data Platform utilizing Python.Create REST APIs and web services using FastAPI, Flask, or Django.Integrate AI/LLM APIs to implement intelligent features.Utilize Claude and Claude Code to streamline development workflows and efficiently tackle complex challenges.Construct data processing pipelines and automation tools.Produce clean, testable, and well-documented code for maintainability.Engage in code reviews to ensure code quality and share best practices.

About InvoiceCloud:InvoiceCloud is a rapidly expanding leader in the fintech sector, celebrated with 20 prestigious awards in 2025, including accolades from USA TODAY and Boston Globe for Top Workplaces, multiple wins at the SaaS Awards for Best Solution in Finance and FinTech, and national honors for customer service by Stevie and the Business Intelligence Group. Our mission to bridge digital divides while simplifying the payment process for essential services has been recognized by industry judges, highlighting our commitment to AI-driven innovation and responsible practices. Join a purpose-driven team where excellence thrives. For more information, visit InvoiceCloud.com.Job DetailsAs part of our expansion in India, InvoiceCloud is looking for an Engineering Manager to spearhead the development of high-performing teams within the IVR Technology Group, a vital subsidiary focused on delivering secure, cloud-based communication, billing, and payment solutions.Reporting to the VP of Product Engineering, this pivotal role encompasses people leadership, technical strategy, and execution across Python-based services, telephony integrations, and platform modernization initiatives, ensuring quality and compliance within a globally distributed engineering environment.