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.

Sezzle seeks an AI Engineering I to support its Marketing team. This fully remote position is open to candidates based in Brazil. The role centers on building and applying artificial intelligence tools to help achieve marketing objectives and enhance customer engagement. Key responsibilities Develop and implement AI-driven solutions that contribute to marketing initiatives Collaborate with team members to refine marketing strategies through artificial intelligence Assist with projects that use data-driven insights to improve business outcomes Location This is a remote role for candidates located in Brazil.

Junte-se à O-I, uma empresa líder no setor de embalagens de vidro, como Estagiário em Compras. Este papel oferece uma oportunidade valiosa para aprender sobre a cadeia de suprimentos e o processo de compras em um ambiente inovador e dinâmico. Você terá a chance de trabalhar ao lado de profissionais experientes, contribuindo para a eficiência e sustentabilidade das operações de compras.

O-I Glass, Inc. offers a Logistics Internship in São Paulo, designed for students interested in supply chain operations within the glass manufacturing industry. Interns join the logistics team and contribute to the daily work that keeps products moving efficiently to customers. Role overview This internship provides practical experience in logistics. Interns participate directly in the processes that support the delivery of glass products, working closely with experienced team members. What you will do Assist with process improvements in various logistics areas Help manage inventory and monitor stock levels Support transportation and distribution activities Work with colleagues to address real supply chain challenges

Junte-se à nossa equipe como Operador de Selecionamento PCD na O-I Brasil, onde você terá a oportunidade de contribuir para a produção de vidros de alta qualidade. Buscamos um profissional dedicado e motivado para atuar em um ambiente de operações dinâmicas.Você será responsável pelo processo de seleção de materiais, garantindo a eficiência e a qualidade no fluxo de produção. Este é um papel essencial para garantir que nossos produtos atendam aos padrões mais altos da indústria.

Salary: $2,500 - $3,333 USD per month (Gross)About Sezzle: Sezzle is on a mission to financially empower the next generation, transforming the shopping experience beyond payments. By integrating cutting-edge technology with seamless, interest-free installment plans, we are making shopping more intelligent and accessible. Our vision extends beyond mere transactions; we are redefining how individuals discover, engage with, and purchase the products they love, while significantly impacting merchant sales through enhanced conversions and increased order values. Join our innovative and dynamic team as we shape the future of fintech and retail, creating an extraordinary shopping journey for consumers and merchants alike.About the Role: We are looking for a talented and driven AI Engineer I to join our Applied AI team. This is an exciting opportunity for those eager to thrive in a fast-paced environment within a rapidly expanding team, with ample prospects for growth and increased responsibility.As an AI Engineer I, you will play a pivotal role in developing platforms and systems that enhance Sezzle's AI capabilities. Your contributions will focus on initiatives including building AI-powered features, crafting intelligent automation, and integrating AI solutions into customer-facing products, internal tools, and operational processes.You will collaborate closely with senior engineers and cross-functional teams to identify how AI can create meaningful impact—enhancing customer experiences, improving decision-making, and automating complex workflows. This role is perfect for early-career engineers looking for hands-on experience with production-grade AI systems, alongside opportunities for growth in ownership and technical leadership.

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.

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.

O-I offers an internship focused on quality assurance in Vitória de Santo Antão. This position gives hands-on experience in quality control, working closely with experienced professionals to support and improve product standards. Role overview The Quality Assurance Intern will contribute to the team’s efforts in maintaining and enhancing product quality. This role involves practical tasks that help build a foundation in quality processes. What you will do Assist with day-to-day quality control activities Monitor product standards and help identify areas for improvement Support team members with ongoing quality initiatives Location This internship is based in Vitória de Santo Antão.

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.

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 for software companies — our acquisitions are focused on sustainable growth, not reselling. Our aim is to cultivate enduring partnerships that safeguard your legacy, your workforce, and your clients.Our dedicated in-house team guarantees a speedy, transparent, and seller-friendly process, ensuring timely closings. Once integrated into TAG, your business will thrive with established best practices, specialized value-creation resources, and access to our extensive ecosystem of sister companies, including proprietary innovations like ValPay and Sadie AI to propel your business forward.CultureTag Software Group is more than just a workplace — we are a cohesive team that values our people as our greatest asset. Investing in our staff is our foremost priority.We strive to create an atmosphere where employees feel the thrill of their first day on the job, every single day, fostering a culture of high performance and collaboration. We celebrate our successes and take pride in our achievements. We Dream Big, Stay Humble, and Stay Hungry.The OpportunityThe AI Product Engineer is pivotal in developing innovative AI-driven products, significantly contributing to our technological advancement.With an entrepreneurial mindset, this role emphasizes rapid development, iterative experimentation, and delivering solutions that have a clear and measurable impact on the business. You will oversee the entire product lifecycle — from initial ideation and prototyping to deployment, scaling, and optimization.This hands-on position is perfect for someone who thrives in ambiguous situations and enjoys transforming concepts into market-ready tools.If you are passionate about building AI systems, delivering features, experimenting, and converting vague ideas into tangible products, we want to hear from you.

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.

Estamos em busca de um Estagiário para atuar na área de Qualidade e Atendimento Técnico a Clientes. O candidato ideal terá a oportunidade de aprender e aplicar conhecimentos práticos em um ambiente dinâmico e desafiador, contribuindo para a satisfação dos nossos clientes.

Junte-se à nossa equipe como Estagiário em Qualidade e Atendimento Técnico a Clientes! Neste papel dinâmico, você terá a oportunidade de desenvolver suas habilidades em um ambiente colaborativo e inovador, focando na excelência no atendimento ao cliente e na manutenção da qualidade dos nossos serviços.

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.