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…

In your daily activities:Develop and integrate RESTful APIs using .NET Core.Implement microservices-based solutions and distributed systems.Conduct unit tests and assist with test automation.Work with relational and NoSQL databases.Engage in CI/CD processes and automated deployment.Collaborate within agile teams, promoting clear communication and initiative.Continuously learn new technologies and development practices.We expect from you:Hands-on experience with Angular or React.Knowledge of microfrontend architecture.Familiarity with .NET Core WebAPI, Entity Framework, and Dependency Injection.Understanding of messaging systems (RabbitMQ, SQS, SNS).Basic knowledge of Docker/Kubernetes and CI/CD processes.Understanding of SOLID principles and best programming practices.Experience with relational and NoSQL databases.Knowledge of unit testing and automation tools (Cypress, Postman).Desirable experience with observability tools (DataDog, Azure Monitor, NewRelic, Splunk).Behavioral Competencies:Effective communication and teamwork skills.Strong organizational skills, attention to detail, and a sense of ownership.Autonomy, proactivity, and a commitment to continuous learning.Benefits:Profit Sharing (PLR).Meal and Food Assistance.Health Plan.Dental Plan.Childcare Assistance.Transportation Voucher.Wellness Program (WellHub).Gym Membership (TotalPass).Employee Assistance Program (EAP).Optional plans like Private Pension and Life Insurance.Pharmacy Discounts.Nutrition Program.Pregnancy Program.Extended Maternity and Paternity Leave – Citizen Company.

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.

Econodata is a leading startup in B2B Sales Intelligence in Brazil!Founded by alumni of UFRGS and backed by Grupo Telefônica, we are developing a platform that leverages AI and Big Data to convert data into actionable commercial intelligence.With a database of over 24 million companies and more than 4,000 clients served, including LinkedIn, PagBank, TOTVS, Vivo, Unimed, and BASF, we empower sales teams to identify the right leads for successful selling.Here, technology is at the core: you will work with large volumes of data, tackle real-world problems, and see the direct impact of your contributions.As we rapidly evolve our platform, we are seeking a Senior Developer to play a critical role in this journey.Challenges You'll Face:Develop and enhance features using Node.js, Vue.js, and Nuxt, ensuring clean code;Design and implement solutions prioritizing scalability, security, and high performance;Work with cloud environments (GCP), focusing on best practices;Foster a culture of innovation by technically supporting the team, sharing knowledge, and elevating collective technical proficiency;Actively participate in the construction and evolution of products;Maintain a focus on scalability, security, and performance.

Econodata is a leading startup specializing in B2B Sales Intelligence in Brazil!Founded by alumni from UFRGS and backed by the Telefônica Group, we have developed a platform that leverages AI and Big Data to convert data into commercial intelligence for B2B.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 effective selling.At Econodata, technology is at our core: you'll work with large volumes of data, tackle real problems, and witness the direct impact of your contributions.We are looking for a fullstack developer to join our team. We utilize technologies such as SQL, NoSQL, Elasticsearch, REST, Vue.js, Node.js, GCP, and others.

WHY JOIN THE LINX TEAM? We thrive in the retail sector, leading by example and inspiring our team members to reach their fullest potential, ultimately striving to deliver exceptional value to our customers! For over 40 years, we have partnered with Brazil's leading retailers, supported by a highly skilled team dedicated to driving their success even further! With autonomy and flexibility, our team continuously seeks to develop technological solutions that positively impact businesses across Brazil and Latin America. If you share our passion for leveraging technology to empower businesses with solutions crafted by and for people, then this is your next destination! Are you ready to join our Food team as a Junior Fullstack Developer?

BTG Pactual seeks a Fullstack Developer for the IT Onboarding team. This role is based in São Paulo or Rio de Janeiro and focuses on developing and maintaining onboarding solutions for the organization. Main responsibilities Design and implement RESTful APIs using .NET Core. Develop solutions following microservices and distributed system patterns. Create unit tests and assist with test automation processes. Work with both relational and NoSQL databases to support application needs. Participate in CI/CD workflows and automated deployment routines. Collaborate within Agile teams, communicating effectively and taking initiative. Maintain an interest in new technologies and current development practices.

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.

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.

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.

WHY JOIN THE LINX TEAM?At Linx, we breathe and lead by example in the retail sector, inspiring and developing our team's potential to always deliver more and better for our clients! For over 40 years, we have partnered with Brazil's leading retailers, equipped with a talented team dedicated to helping them reach even greater heights! With autonomy and flexibility, our people strive daily to create technological solutions for management that impact businesses across Brazil and Latin America.If you share our passion for helping businesses through technology designed by and for people, then this is your next stop!Would you like to be part of our Commerce team as a Mid-Level Fullstack Developer?

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.

At Zup Innovation, we strive to create cutting-edge technologies that challenge the best in the world and revolutionize the game for our clients. We are looking for professionals eager to join a culture driven by excellence and innovation. If you thrive in a collaborative, curiosity-driven environment, come and help us shape the future of technology.Your Role:Engage actively in the entire journey of conceptualizing and developing solutions, starting from the discovery process to identify the right problems to solve.Contribute to technical refinements to structure the design of solutions.Collaborate with interdependent squads to ensure alignment and integration of solutions.Develop Frontend layers (React) and backend (.NET Core) as required, including unit tests to ensure quality and security.Ensure proper configurations for DevOps processes, planning, and monitoring of deployments in production.Monitor the post-release environment to ensure stability and performance.Apply advanced AI techniques, utilizing tools like Python (Langchain, Langgraph), RAG, prompt engineering, and agent evaluation (EVALs).Work with AWS infrastructure (DocumentDB, Lambda, ECS, S3, Redis) and CI/CD tools (Github Actions, Terraform, Docker).Collaborate in the development and integration of intelligent agents, with knowledge in MCP and Go Language being a valuable differential.

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.

skydropx is seeking a Senior Fullstack Developer Analyst based in Brazil. This position calls for an experienced engineer with strong skills in both frontend and backend development. Role overview This role focuses on designing and building scalable applications that support business growth. Day-to-day work includes implementing new features, optimizing performance, and working closely with colleagues from different teams to create reliable and user-friendly solutions. What you will do Develop and maintain both frontend and backend components of web applications Design systems with scalability and high performance in mind Collaborate with cross-functional teams to deliver seamless user experiences Requirements Extensive experience in fullstack development Proven ability to design and implement scalable software Strong communication and teamwork skills

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.

Zup Innovation builds technology for clients aiming to raise their industry standards. The team values curiosity, collaboration, and a drive for technical excellence. This fully remote role offers the chance to shape solutions that matter. What You Will Do Improve and fine-tune back-end features using Kotlin, with a focus on efficiency and code quality. Develop, implement, and maintain front-end components in React, following current architectural practices and emphasizing performance. Act as a technical reference for architectural decisions, especially where front-end and back-end connect, and help guide the team in best practices. Troubleshoot and resolve complex issues across the full stack to support system stability and scalability. Work closely with colleagues on data solution modeling, aligning technical solutions with business needs. Review code and suggest ongoing improvements to development processes, supporting the team's technical growth. Location Remote

About Darwin AIDarwin AI revolutionizes the way mid-market companies operate by integrating AI-driven digital workers that automate vital business processes through WhatsApp. Our intelligent AI workers adeptly manage crucial customer interactions such as qualification of inbound inquiries, reactivation of outbound communications, satisfaction surveys, appointment scheduling, payment collections, and much more. Uniquely, we offer the sole no-prompt AI solution available, allowing businesses to harness the power of AI without the need for specialized technical skills or teams, ensuring effortless integration and immediate results.Be part of a dynamic and rapidly growing team that's reshaping the perception of AI and technology in the business landscape!Internship RoleWe are seeking a motivated individual who is eager to contribute to scaling our business tenfold and has a keen interest in technology and AI. This position is perfect for a student keen on gaining insights into Software, AI, and B2B environments.We are excited to connect with ambitious and inquisitive individuals who are ready to make a meaningful impact on our Customer Support team.

About the Team:Our team is dedicated to developing and maintaining the post-trading equity platform at BTG Pactual. We create comprehensive solutions for integration with various departments within the bank, aiming to provide a robust technological framework for our internal and external clients. We play a pivotal role in the digital transformation shaping the future of Latin America's largest investment bank.Your Daily Responsibilities:Actively participate in the design and structuring of new products in collaboration with the business area.Work in a collaborative and democratic environment with the autonomy to propose ideas that directly impact product evolution.Develop systems using cutting-edge technologies, contributing to innovative solutions in the financial market.

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