Civil Engineer & Python Specialist - Freelance AI Trainer

Bluelight Consulting is at the forefront of software consultancy, specializing in the creation of innovative technology solutions designed to enhance user experiences. We are dedicated to providing top-tier service to our clients, with an unwavering focus on quality and customer satisfaction. Our mission extends beyond the development of cutting-edge applications; we aim to cultivate a collaborative and enriching workplace where every team member can flourish. With our presence spanning the United States and Central/South America, Bluelight is entering an exciting phase of growth, actively seeking outstanding talent to join our vibrant and diverse community.We are on the lookout for a talented Fullstack Engineer to become a vital part of our rapidly expanding team at Bluelight Consulting. This role is perfect for individuals who thrive in a fast-paced, dynamic environment where all contributions are valued. You will have the chance to engage in exciting and impactful projects, developing high-quality applications that make a difference in the marketplace. We prioritize continuous learning and personal development, offering a collaborative atmosphere that fosters professional growth. If you are passionate about software development and eager to be part of a growing consultancy, we encourage you to apply and join us on this thrilling journey.

Join Bluelight Consulting as a Fullstack Engineer specializing in Python and React! In this dynamic role, you will be instrumental in developing innovative web applications that enhance our clients' capabilities. You will work collaboratively with cross-functional teams to design, implement, and maintain robust software solutions.

Join our innovative team at bluelightconsulting as a React Native Developer! We are looking for talented developers from Latin America to work remotely and help us shape the future of mobile applications.Your role will involve collaborating with cross-functional teams to define, design, and ship new features. You will work with our product team to understand user requirements and translate them into a seamless user experience.

Bluelight Consulting seeks a Full-Stack Digital Marketer to join its team remotely from anywhere in Latin America. This position covers a wide range of digital marketing tasks, with responsibilities spanning both internal company growth and client-facing projects. Key responsibilities Create and implement digital marketing strategies for various online platforms Share ideas and tactics to advance business and client objectives Collaborate with colleagues to achieve clear, measurable outcomes Location This is a remote role open to candidates based in Latin America. Bluelight Consulting operates from Belo Horizonte, Minas Gerais, Brazil.

Join our dynamic team at Bluelight Consulting as a Laravel Developer with a focus on React. This remote position is an exciting opportunity for skilled developers in Latin America to innovate and contribute to our projects from the comfort of their own home.As a developer, you will be responsible for designing and implementing web applications using the Laravel framework and React.js. You will work collaboratively with our project managers and designers to create user-friendly interfaces and ensure optimal functionality.

Mindrift connects chemistry specialists with project-based freelance opportunities focused on AI system development for leading technology companies. These roles involve short-term projects and do not represent permanent employment. Role overview This freelance position centers on creating and validating computational chemistry challenges for AI training. Tasks vary by project and may include: Designing original computational chemistry problems that reflect real-world research workflows Developing challenges that require Python programming, using libraries such as numpy, scipy, or chemistry-specific tools Ensuring problems are computationally intensive and cannot be solved manually within a reasonable timeframe Incorporating advanced reasoning in areas like physical chemistry, quantum chemistry, and molecular modeling Basing problems on authentic research questions or practical chemistry applications Validating solutions in Python using established computational chemistry methods Clearly documenting problem statements and providing accurate, verified solutions Requirements Degree in Chemistry or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or domain-specific libraries is also valued At least 2 years of relevant professional experience (applied, research, or teaching) Expertise in numerical methods as applied to chemistry Strong understanding of computational chemistry concepts and techniques Excellent written English skills (C1 level or higher) Project structure The process includes submitting an application, passing qualification steps, participating in a project, completing assigned tasks, and receiving payment. Tasks typically require 10–20 hours per week during active phases, though actual workload may vary by project. Compensation Contributors can earn up to $14 per hour, depending on expertise and pace. Actual rates may vary based on project scope, complexity, and required skills. Other projects on the platform may offer different compensation levels. Please submit your CV in English and indicate your English proficiency level.

About Bluelight Consulting Bluelight Consulting is a software consultancy focused on designing and building technology solutions that enhance user experiences. With teams across the United States and Central and South America, Bluelight is growing and committed to delivering quality and customer satisfaction. The company values collaboration and aims to provide a workplace where team members can develop their skills and thrive. Role Overview: Outbound Sales Development Representative (Latin America, Remote) This position is based in Belo Horizonte, Minas Gerais, Brazil, and offers remote work. The Outbound Sales Development Representative will join a team that values every member's input. The role involves working on projects that matter, contributing to the development of high-quality applications, and helping shape the company's presence in the industry. What You Will Do Engage with potential clients across Latin America to generate new business opportunities for Bluelight Consulting. Work closely with a diverse team to support company growth and client satisfaction. Participate in projects that have a tangible impact on clients and users. What We Look For Strong communication skills and the ability to connect with clients in Latin America. Comfort working in an environment where learning and personal development are encouraged. Interest in software development and a desire to contribute to a consultancy focused on quality and teamwork. Why Join Bluelight Consulting? Collaborative, team-oriented culture. Opportunities for professional growth and ongoing learning. Work on challenging projects that make a difference. Be part of a growing company with a diverse, supportive community.

Mindrift connects subject matter experts with AI projects for leading technology companies, focusing on testing, evaluation, and improvement of AI systems. This is a project-based freelance role, not a permanent position. Role overview As a Mathematics & Python Specialist, freelance AI trainers work on a range of challenging projects. Tasks may include: Creating original computational mathematics problems that mirror real mathematical research workflows Designing problems that require Python programming to solve, often using libraries such as Numpy, SciPy, or Sympy Ensuring problems are computationally intensive and cannot be solved manually in a reasonable timeframe Developing problems involving complex reasoning in areas like number theory, combinatorics, graph theory, and numerical analysis Basing problems on real-world research challenges or practical mathematical applications Validating solutions in Python with established mathematical libraries Clearly documenting problem statements and providing verified 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, SciPy, or similar tools is also accepted At least 2 years of professional experience, which may include applied, research, or teaching roles Experience with numerical methods and symbolic computation Ability to design problems reflecting authentic mathematical research workflows Understanding of computational complexity theory Strong written English skills (C1 level or higher) Process The process includes: Apply → Pass qualifications → Join a project → Complete tasks → Receive payment. Project commitment Tasks for this project are estimated at 10–20 hours per week during active phases. This is an estimate, not a guaranteed workload. Compensation Contributors may earn up to $14 per hour, depending on contribution level and pace. Actual rates may vary by project based on scope, complexity, and required expertise. Other projects on the platform may offer different earning opportunities. Please submit your CV in English and include your English proficiency level.

Join the Inter team!At Inter, we believe that the future is shaped every day through the technology you develop, the connections you foster, and the ideas you bring to life. We are a comprehensive Super App offering complete digital banking solutions, investment opportunities, credit options, insurance, a marketplace, and various everyday services. But we are much more than that; we are a dynamic team that is always evolving.With this pace of innovation, new opportunities arise. Now is your chance to explore this smart way to invest in your career. Come and be part of #sanguelaranja!About the Position and MissionIn this role, you will create intelligent solutions using Generative AI that transform how people interact with technology. Your primary focus will be on developing advanced prompt engineering systems and implementing GenAI models that deliver innovative and precise experiences. More than just implementation, we want you to participate in AI architecture decisions and help enhance our capacity to create truly intelligent products.Your Daily Responsibilities:Develop Python applications integrated with GenAI models (OpenAI, Anthropic, Gemini)Create and optimize prompts for various use cases and domainsWork with frameworks like LangChain, LlamaIndex, and LangGraph for orchestration and creation of LLM agentsIntegrate language model APIs into distributed systemsParticipate in AI architecture decisions and best practices

Please submit your CV in English and indicate your English proficiency level. toloka-ai, through the Mindrift platform, offers project-based freelance work focused on evaluating, testing, and improving AI systems for leading technology companies. This is not a permanent position; assignments are tied to specific projects. Key responsibilities Create original optics challenges that reflect real research processes in physics. Design computationally intensive problems that require computer-based solutions. Develop tasks involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base problem sets on real-world research questions or practical scenarios in optics and physics. Document problem statements clearly and provide accurate, verified solutions. Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field. Minimum of 2 years in applied, research, or teaching roles. Experience with numerical simulation methods. Ability to construct problems that mirror authentic research approaches in physics. Creative mindset for developing problems across various physics domains. Knowledge of physics modeling and approximation techniques. Strong written English skills at C1 level or higher. Project workflow Apply Pass qualification steps Join a project Complete assigned tasks Receive compensation Time commitment During active projects, expect to dedicate approximately 10 to 20 hours per week. Actual hours may vary and are only required while a project is in progress. Compensation Rates are up to $14 per hour, depending on experience and the complexity of the tasks. Compensation may differ between projects based on their requirements. Location This freelance remote position is based in Belo Horizonte, State of Minas Gerais, Brazil.

Please submit your CV in English and specify your English proficiency level. This freelance contract with Toloka AI (via Mindrift) is open to material scientists with strong Python skills. The focus is on supporting AI development for technology companies. The role is remote and based in Belo Horizonte, State of Minas Gerais, Brazil. This is not a permanent position, but a flexible, project-based opportunity. Key responsibilities Develop original material engineering problems that mirror real engineering workflows Design challenges involving Python programming for calculations and simulations Ensure problems require computational effort, using numerical methods or iterative techniques Create scenarios focused on system design, optimization, and analysis Draw from real-world research or practical engineering applications Validate solutions using Python and standard engineering libraries Write clear problem statements and provide accurate, verified solutions Requirements Degree in Material Science 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 At least 2 years of experience in applied work, research, or teaching Understanding of practical engineering constraints and approximations Excellent written English skills at C1 level or higher Project details Estimated workload is 10–20 hours per week during active project phases. Actual hours may change based on project needs and are not guaranteed. Compensation Earnings can reach up to $14 per hour. Pay depends on contribution, pace, and project requirements. Compensation may vary with project complexity and scope. Application process Apply in English, including your CV and English proficiency level Complete required qualifications Join a project when invited Finish assigned tasks Receive compensation for completed work This is a freelance, project-based position. Permanent employment is not available.

Toloka AI seeks a Freelance AI Trainer with expertise in both biology and Python. This remote role focuses on designing and delivering training sessions that help learners apply artificial intelligence to biological research and related applications. Role overview The Biology and Python Specialist will create educational content and lead sessions for a range of participants. The goal is to make complex AI concepts accessible and relevant within the context of biology. What you will do Develop and present training materials that connect AI techniques with real-world biological problems Engage learners through clear explanations and practical examples using Python Adapt content to suit different backgrounds and experience levels Requirements Strong background in biology Proficiency in Python programming Interest in education and technology This freelance position is open to candidates based in Belo Horizonte, State of Minas Gerais, Brazil, and offers full remote flexibility.

Toloka-AI seeks a Computer Science Specialist with advanced Python expertise to join AI-focused initiatives. This fully remote role is based in Belo Horizonte, State of Minas Gerais, Brazil, and centers on building impactful systems in artificial intelligence. What you will do Work closely with a team to design and develop AI-driven solutions Create and maintain Python-based systems that address practical challenges Contribute to projects that push forward AI capabilities at Toloka-AI Requirements Solid foundation in computer science principles High level of proficiency in Python programming Genuine interest in advancing AI with real-world applications Ability to collaborate effectively in a remote setting

Nubank is hiring a Senior Software Engineer to help advance our digital banking platform. This role is reserved for people with disabilities, reflecting our ongoing commitment to diversity and inclusion. What you will do Collaborate with teams across disciplines to design, develop, and maintain software solutions supporting Nubank’s digital banking services. Apply technical knowledge to enhance and evolve the platform. Prioritize a dependable and seamless experience for customers. Locations Belo Horizonte, Brazil Campinas, Brazil Rio de Janeiro, Brazil Sao Paulo, Brazil Our commitment to inclusion This position is open exclusively to candidates with disabilities. Nubank values building an inclusive workplace and welcomes applications from all qualified individuals who share this vision.

About Speechify Speechify works to remove reading as a barrier to learning. Over 50 million people use Speechify’s text-to-speech tools to turn written content, PDFs, books, Google Docs, articles, and websites, into audio. This helps users read faster, retain more, and understand better. The product lineup covers iOS, Android, Mac, Chrome Extension, and Web App. Recent recognition includes Google’s Chrome Extension of the Year and Apple’s 2025 Design Award for Inclusivity. The fully remote team numbers nearly 200, including engineers, AI researchers, and specialists from companies like Amazon, Microsoft, and Google. The group also features alumni from top PhD programs such as Stanford and founders from startups like Stripe, Vercel, and Bolt. Role Overview: Senior Software Engineer – Windows/Desktop Applications This position is based in Belo Horizonte, Brazil, and focuses on building and maintaining native Windows desktop applications for Speechify. What You Will Do Design, architect, and develop native Windows desktop apps using Windows App SDK, WinUI, C#, XAML, and C++ when needed. Define and maintain standards for Windows desktop development, covering code structure, app performance, memory use, responsive interfaces, compatibility with Windows 10/11+, and maintainability. Drive accessibility by implementing and validating support for accessibility APIs (such as Microsoft UI Automation), ensuring UI controls, focus management, keyboard navigation, screen-reader compatibility, and usability for people with disabilities. Work closely with product designers, UX researchers, QA, and other partners to shape feature planning, UI/UX architecture, and the long-term vision for Windows products. Own the full feature lifecycle: from idea and design through implementation, testing, release, and ongoing maintenance, always aiming for high quality and reliability in every update. Troubleshoot and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems, recommending and applying strong architectural or design fixes.

Role overview AFRY is hiring a Senior Project Engineer in Belo Horizonte. This position leads engineering projects focused on sustainable growth. The role combines project management with hands-on engineering oversight. What you will do Oversee project execution from planning through delivery Monitor progress to ensure timelines and budgets stay on track Work closely with cross-functional teams to achieve high-quality outcomes What we look for Strong background in engineering and project management Experience leading teams and coordinating across departments Commitment to delivering results that support sustainable growth

Role overview The Senior Project Engineer at AFRY in Belo Horizonte takes responsibility for guiding engineering projects from initial concept through to final delivery. This position works closely with professionals from different disciplines, emphasizing timely completion and a commitment to quality. Supporting a collaborative team culture is central to this role. What you will do Manage engineering projects, overseeing scope, schedules, and deliverables Work with multidisciplinary teams to achieve project objectives Maintain technical quality and ensure compliance with relevant standards Apply expertise to develop effective engineering solutions Work environment AFRY fosters a workplace where creativity and professional development are encouraged. The team prioritizes open collaboration and consistently aims for high standards in project outcomes.

We are seeking an experienced Senior Feasibility Design Engineer to join our dynamic team at Applus IDIADA. In this role, you will be responsible for conducting feasibility studies and design evaluations within a studio environment. Your daily activities will involve a range of responsibilities that align with your expertise and contribute to innovative automotive solutions.

Join Nubank as a Senior Security Engineer focused on Governance, Risk, and Compliance (GRC). In this pivotal role, you will spearhead initiatives to strengthen our security posture while ensuring compliance with regulatory standards. Your expertise will help protect sensitive data and enhance our overall risk management framework.