AI Product Engineer

About Tag Software GroupAt Tag Software Group, we are an exceptional team of seasoned investors and operators committed to acquiring, enhancing, and expanding mission-critical software companies that serve small and medium-sized businesses (SMBs), large enterprises, and the public sector.As a proud division of Valsoft Corporation, Tag provides a lasting home…

We invite you to submit your CV in English, detailing your proficiency in the language.Mindrift serves as a vital link between specialists and project-oriented AI opportunities with top-tier technology firms, concentrating on the evaluation, testing, and enhancement of AI systems. Note: Participation is project-based and does not lead to permanent employment.Opportunity Overview:Each project presents distinct challenges, and contributors may be tasked with:Crafting original computational physics problems that authentically replicate real-world physics research workflows;Developing problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring that the problems are computationally demanding, making manual solutions impractical within reasonable timeframes (days or weeks);Creating problems that require complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on actual research challenges or applicable scenarios in physics;Validating solutions using Python and standard physics simulation libraries;Clearly documenting problem statements and providing verified correct answers.Desired Qualifications:This role is an excellent match for optical engineers proficient in Python who are open to part-time, non-permanent engagements. Ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any equivalent programming language is acceptable;A minimum of 2 years of professional experience, whether in applied, research, or teaching capacities;Experience with numerical simulation methodologies;Capability to design problems reflective of genuine physics research workflows;Inventive problem-solving skills across various physics domains;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1 level or higher).Application Process:Apply → Pass qualifications → Join a project → Complete assigned tasks → Receive compensation.Project Commitment:During active phases, tasks are anticipated to require approximately 10–20 hours weekly, depending on project specifications. This is an estimate and not a guaranteed workload.Compensation:Contributors may earn up to $14 per hour based on their expertise and contribution level. Compensation varies by project according to scope, complexity, and required expertise. Other projects may offer different earning potential based on their demands.

We invite you to submit your CV in English, along with details of your English proficiency level.At Mindrift, we specialize in connecting top-tier professionals with project-based AI opportunities for leading technology firms. Our focus is on the assessment, evaluation, and enhancement of AI systems through innovative contributions from specialists. This role is project-based and does not offer permanent employment.Key Responsibilities:As a contributor, you will engage in various project-specific tasks, which may include:Creating original optical problems that accurately simulate real-world physics research workflows;Designing computationally demanding challenges that require extensive timeframes to solve;Formulating complex problems that necessitate advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base your problems on actual research challenges or relevant practical applications in optics and physics;Clearly document problem statements and provide verified correct solutions.Ideal Candidate Profile:This opportunity is well-suited for optical engineers looking for flexible, part-time non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;At least 2 years of relevant professional experience, including applied, research, or teaching roles;Proficiency in numerical simulation methodologies;Capability to design problems that reflect authentic physics research processes;Innovative thinking in problem creation across various physics domains;Familiarity with physics modeling and approximation methods;Strong command of written English (C1+ level).Application Process:Interested candidates should apply, pass the necessary qualifications, join a project, complete assigned tasks, and receive compensation for their contributions.Workload Expectations:During active phases of projects, contributors should anticipate committing approximately 10–20 hours per week. Please note that this is an estimate and the actual workload may vary based on project needs.Compensation:Contributors can earn up to $14 per hour, depending on their experience level and contribution pace. Compensation may differ across projects based on their complexity, scope, and expertise required.

Role overview Toloka AI seeks a freelance AI Trainer who combines civil engineering experience with strong Python programming skills. This contract position is fully remote, with work based in Belo Horizonte, State of Minas Gerais, Brazil. What you will do Guide and support others in civil engineering topics and Python programming as part of AI-focused projects. Help develop and refine methods for AI training. Apply your expertise to influence how new AI tools are built for the civil engineering field. Location This is a remote role tied to Belo Horizonte, State of Minas Gerais, Brazil.

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.

We are seeking a visionary and experienced Lead Product Manager to spearhead our AI Solutions team at Experian. In this pivotal role, you will drive the strategic direction of our innovative AI initiatives, ensuring alignment with our business goals and customer needs. You will collaborate with cross-functional teams to design, develop, and deliver cutting-edge AI products that enhance our service offerings and deliver value to our clients.Your expertise in product management, combined with a deep understanding of AI technologies, will enable you to lead product development from conception through launch. You will be responsible for defining product vision, gathering requirements, and prioritizing features to ensure successful product delivery.

Empowered by individuals transforming education All positions at Arco are eligible for People with Disabilities. We are Arcotech, the technology team at Arco Educação. We develop digital solutions that enable students, parents, and schools to collaborate for a more dynamic and effective learning experience. Here, we gather talents who are passionate about technology and education. We believe that together we can merge these two forces to enhance the learning experience. Our goal goes beyond innovation; we aim to amplify the impact of education on individuals, which drives us forward. Through learning solutions, insights, and relationships, we help schools become better, larger, and more engaging for students, educators, and families. #JOINUSATARCO #BECOMETECH Now that you've captured a bit more of our essence, let’s talk about the opportunity!

Please submit your CV in English and indicate your level of English proficiency.At Mindrift, we specialize in connecting talented professionals with dynamic, project-based AI opportunities for top tech companies. Our focus is on testing, evaluating, and enhancing AI systems. Please note that participation is project-based and not a permanent employment position.What You Will Do:As a contributor, you will engage in various projects that may include:Designing original computational engineering problems that replicate authentic engineering workflows;Creating problems that necessitate Python programming for engineering calculations and simulations;Ensuring that problems are computationally intensive and involve numerical methods or iterative solutions;Developing problems centered on system design, optimization, and analysis;Base problems on genuine research challenges or practical applications in engineering;Verifying solutions using Python with established engineering libraries;Clearly documenting problem statements and providing verified correct answers.Your Qualifications:This role is ideal for engineers with experience in Python who are open to part-time, non-permanent projects. The ideal candidate should possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language can be considered equivalent;At least 2 years of professional experience, with applied, research, or teaching experience being applicable;A solid understanding of practical engineering constraints and approximations;Excellent written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects are advantageous.How the Process Works:Apply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Commitment:Tasks are expected to require approximately 10–20 hours per week during active project phases, depending on project demands. This is an estimate and not a guaranteed workload, applicable only while the project is ongoing.Compensation:Contributors can earn up to $14 per hour, depending on their level of expertise and contribution pace. Compensation varies across projects based on scope, complexity, and required skills. Please be aware that other projects may offer different earning potentials based on their specific needs.

Are you a skilled Data Scraping Engineer with a passion for Python? Join our dynamic team at Toloka AI, where you will play a crucial role in extracting and processing data from various online sources. This freelance position offers the flexibility of remote work while allowing you to contribute to innovative projects.

Join Scrunch as a Product EngineerScrunch is a pioneering startup committed to leading brands into an AI-driven future where consumers use advanced language models (LLMs) to find, comprehend, and act on relevant information.In an era where AI search and conversational agents are transforming traditional web search, Scrunch empowers marketing teams to rethink how their offerings are discovered on platforms like ChatGPT, Claude, and Gemini—aligning with AI technologies rather than competing against them. This evolution marks one of the most significant shifts in marketing since the internet's inception.Backed by $26 million from prominent investors including Mayfield Fund, Decibel, Homebrew, and GTM Capital, Scrunch has experienced rapid growth since its commercial launch. Today, over 500 brands, including Fortune 500 giants like Lenovo and leading innovators like Skims, leverage our platform.About the RoleWe are seeking a proactive Product Engineer to take ownership of product development from concept to launch.This position is ideal for a candidate who not only codes but also contributes to defining the product's development strategy and its significance in the market.You will engage with both frontend and backend systems to rapidly convert ideas into functional features, all while creating scalable systems. Comfort with ambiguity, making product decisions, and utilizing cutting-edge AI tools to enhance efficiency is essential.Your primary objective will be to deliver high-quality products that enhance clarity, user adoption, and deliver real value to users.We welcome applications from engineers, product managers, or designers with strong technical backgrounds who are eager to take a hands-on approach to product development.Key ResponsibilitiesDevelop & Deliver ProductsTake full ownership of product features from conception to production across both frontend and backend domains.Deliver high-quality features rapidly without compromising on quality.Influence Product DirectionTransform product concepts into tangible user experiences, embracing new technologies or tools as necessary.Enhance Efficiency Through SystemsCreate reusable components and workflows that improve team productivity over time rather than offering one-off solutions.Accelerate with AIUtilize AI tools to streamline processes and increase productivity.

Role Overview bv is looking for a Senior AI Engineer in São Paulo. This position focuses on designing and building advanced artificial intelligence solutions. The work aims to create real impact across industries. What You Will Do Develop AI-driven systems and models for practical applications Work closely with a skilled team to solve complex technical challenges Contribute expertise to projects that aim to advance technology Team and Culture Join a group of professionals who value collaboration and technical excellence. The team is committed to exploring new possibilities in AI and delivering results that matter.

About the Role Experian is seeking a Principal Product Manager focused on AI Decision Solutions in São Paulo. This position leads the creation and direction of AI products designed to advance data-driven decision-making for clients. What You Will Do Guide the development of AI-powered solutions from concept through launch Shape product strategy to address changing client needs Ensure offerings support smarter, data-informed decisions

Are you excited about the future of AI and possess expertise in both text and multimedia content analysis?We are seeking meticulous linguists who are native speakers of Brazilian Portuguese to assist with AI training initiatives. Responsibilities include evaluating prompts, comprehending video content, reviewing and correcting text, among other tasks.This is a remote freelance position.

Econodata is a leading startup in B2B Sales Intelligence in Brazil!Founded by alumni of UFRGS and backed by Telefônica Group, we develop a platform that leverages AI and Big Data to convert data into actionable B2B commercial intelligence.With a database of over 24 million companies and more than 4,000 clients including LinkedIn, PagBank, TOTVS, Vivo, Unimed, and BASF, we empower sales teams to identify the right leads for successful sales.Here, technology is at our core: you will work with large volumes of data, solve real-world problems, and witness the direct impact of your contributions.Our Technology team is expanding, and we are looking for an AI Engineer to join us, motivated to work with agile methodologies in a rapidly growing startup!Responsibilities include:Fine-tuning pre-trained models for specific applications or datasets;Collecting, pre-processing, and managing large datasets necessary for training generative models;Executing data augmentation and feature engineering to enhance model performance;Designing scalable and efficient AI systems and architectures.

We invite you to submit your CV in English, including your English proficiency level.Mindrift connects talented specialists with project-based AI opportunities at leading technology companies, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Overview of the OpportunityEach project will have distinct tasks, and contributors may be required to:Design innovative engineering problems that accurately represent real engineering processes;Develop Python-based solutions for engineering calculations and simulations;Create computationally intensive problems that necessitate numerical methods or iterative problem-solving;Work on system design, optimization, and analysis challenges;Base problems on actual research issues or real-world engineering applications;Utilize Python with standard engineering libraries to verify solutions;Clearly document problem statements and provide verified correct answers.Qualifications We SeekThis role is ideal for engineers with Python expertise who are interested in part-time, project-based work. The most qualified candidates will possess:A degree in Electrical Engineering or a related field;Proficiency in Python for numerical validation, with familiarity in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries being advantageous;A minimum of 2 years of professional experience, which can include applied work, research, or teaching;A solid understanding of practical engineering constraints and methodologies;Strong written English communication skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are highly valued.How the Process Works1. Apply → 2. Pass qualification(s) → 3. Join a project → 4. Complete tasks → 5. Get compensatedProject Time ExpectationsFor this opportunity, tasks are estimated to require approximately 10–20 hours per week during active project phases, based on specific project needs. Please note that this is an estimate and not a guaranteed workload, applicable only while the project is active.CompensationContributors can earn up to $14 per hour, depending on their expertise and contribution level. Compensation may vary across projects based on scope, complexity, and required skills. Please note that different projects on the platform may offer varying compensation levels.

Composed of individuals who transform education All positions at Arco are eligible for People with Disabilities. We are Arcotech, the technology team at Arco Educação. We develop digital solutions that enable students, parents, and schools to collaborate for a more dynamic and effective learning experience. Our team brings together talent that is passionate about technology and education. We believe that together, we can merge these two forces to enhance the learning experience. Our goal is to go beyond innovation; we aim to amplify the impact of education on people's lives, which is what drives us. Through learning solutions, estimations, and relationships, we help schools become better, larger, and more delightful for students, educators, and families. #VEMPRAARCO #VEMSERTECH Now that you understand a bit more about our essence, let's talk about the opportunity? What will your challenges be with us?Exploratory analyses, data visualization for business understanding, and use of LLM applications;Development of AI applications with Vector Databases, LLMs, Single agents, and Multi agents;Creating validation pipelines for LLM applications, including datasets and LLM-as-a-judge;Development of data pipelines;Building small back-end and front-end components for LLM application concept validation;Reading technical blogs, conference videos, and papers to generate hypotheses for improving LLM applications. What we expect you to have:Experience in Data Science, Machine Learning Engineering, or with LLM APIs;Professional experience in communicating technical topics related to Software Engineering, Data Science, or LLMs;Familiarity with Python, Git, and good Software Engineering practices;English (Intermediate/Advanced) for studying technical blogs and documentation.

As a Production Engineer at Sika, you will be instrumental in overseeing the entire manufacturing process, ensuring continuous improvement in production operations and identifying new investment needs in machinery and equipment. This role is aligned with our projected sales growth plans and the overall strategic goals of Sika Química. You will be responsible for the daily monitoring of the production schedule to ensure alignment with sales demand.

Salary: $50,000 - $120,000 per year (Gross in USD)About Sezzle:Sezzle is on a mission to empower the next generation financially by transforming the shopping experience beyond traditional payments. We combine innovative technology with seamless, interest-free installment plans to make shopping smarter and more accessible. Our goal is to redefine how consumers discover, interact with, and purchase the products they love, driving significant impact on merchant sales through enhanced conversions and increased order values. As we continue to innovate in the fintech and retail space, we are building a passionate, dynamic team focused on creating a unique shopping journey that goes beyond mere transactions. If you are excited about pushing technological boundaries and delivering transformative experiences for both consumers and merchants, we invite you to join us at Sezzle and help shape the future of shopping!About the Role:We are in search of a highly skilled and motivated Senior AI Engineer with exceptional intelligence and emotional acumen. This role offers an exciting opportunity to thrive in a fast-paced environment within a rapidly growing team, providing ample opportunities for career advancement.Your primary responsibilities will include designing, developing, and deploying machine learning models that enhance our financial platform. You will spearhead the creation of scalable machine learning solutions for personalized recommendations in the Sezzle marketplace, fraud detection, and credit risk assessment, leveraging a mix of cloud services, open-source tools, and proprietary algorithms.As a leader, you will play a crucial role in integrating machine learning development and operations (MLOps) to automate and optimize the lifecycle of our ML models. Collaborating with engineers and data scientists, you will develop large-scale, high-quality solutions that address various challenges in the shopping and fintech sectors. Your efforts will ensure that our AI-driven features are robust, efficient, and scalable as we continue to expand.

Encora is hiring a Fullstack AI Engineer based in Brazil. This position centers on building and maintaining full-stack applications that use artificial intelligence to address practical challenges. What you will do Develop and support full-stack software using AI technologies. Work closely with teams from different disciplines to define, design, and launch new features. Improve application performance, focusing on speed and scalability. Keep up with new trends and advances in AI and software development. Team culture Encora values a collaborative and inclusive workplace. The company encourages innovation and aims to create an environment where new ideas are welcome.

About Tag Software GroupTag Software Group is a collective of seasoned investors and operators committed to acquiring, enhancing, and expanding mission-critical software companies that serve small and medium-sized businesses (SMBs), large enterprises, and the public sector. Founded under the umbrella of Valsoft Corporation, TAG provides a lasting home for software companies, focusing on long-term partnerships that preserve your legacy, your workforce, and your clientele.Our dedicated in-house team ensures a seamless, transparent, and seller-friendly process, guaranteeing efficiency and confidence in closing deals. Once integrated into TAG, your company gains access to proven best practices, specialized resources for value creation, and the expansive ecosystem of our sister companies, including proprietary technologies like ValPay and Sadie AI to propel your business to new heights.Company CultureAt Tag Software Group, we believe our people are our greatest asset. We prioritize investing in our team, creating an environment where employees experience the thrill of their first day on the job, every day. We foster a culture of high performance and collaboration, celebrating our successes and taking pride in our achievements. We Dream Big, Stay Humble, and Stay Hungry.The OpportunityThe AI Process Engineer is instrumental in refining, modernizing, and automating business processes through artificial intelligence. Instead of creating new external products, your focus will be on enhancing operational efficiency, optimizing workflows, and implementing intelligent automation throughout the organization.This position is perfect for individuals who relish the challenge of solving business problems with technology, improving processes, and operationalizing AI at scale.