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Join our innovative team as a Full Stack Software Engineer specializing in AI training. In this role, you will contribute to the development and enhancement of AI models using cutting-edge technologies. You will collaborate with cross-functional teams to design, implement, and optimize software solutions that drive our AI initiatives forward.
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Join Our TeamOur Mission: To position Brazil as a global leader in artificial intelligence.At Enter, we merge human expertise with artificial intelligence to scale critical, high-volume tasks that still rely on manual processes. Our platform empowers large enterprises across Latin America to manage complex workflows, starting from legal operations and expand…
At bv, one of the largest private banks in Brazil, we take pride in being recognized for the second consecutive year as the best financial institution to work for in Brazil, according to the GPTW 2025 ranking! We have also received a Diversity seal in the Women category, reinforcing our commitment to equity.Our culture is genuinely alive: we embrace simplicity, integrity, partnership, and courage. We value relationships, innovation, and strive to create a collaborative and intentional environment that promotes diversity and inclusion.We are in a constant state of evolution, forging successful partnerships to fulfill our purpose of making the financial lives of individuals and businesses easier.Do you identify with us? Join our team today!
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.
Join Enter.ai!Our mission is to position Brazil as a global leader in artificial intelligence.At Enter.ai, we merge human expertise and artificial intelligence to execute critical, high-volume tasks that still rely on manual processes on a large scale. Our platform enables major companies across Latin America to navigate intricate workflows, starting with legal operations and expanding across the enterprise. We leverage AI to create tailored legal defenses at scale, assisting businesses in lowering costs and enhancing their litigation success rates.Our team consists of the finest talents from prestigious institutions in Brazil and around the globe, including Harvard, UPenn, Stanford, ITA, USP, and Unicamp. Companies like Meta, Itaú, Mercado Livre, Latam, Airbnb, Santander, iFood, and Nubank partner with Enter.ai to manage critical processes more efficiently. With over R$300M raised and a valuation of R$2B, we have the backing of major investment funds like Sequoia and Founders Fund who share our vision for the future.Position OverviewAs a Software Engineer at Enter.ai, you will play a pivotal role in constructing the foundation of our AI agent platform. This position requires making critical technical decisions, defining architecture, and tackling scalability challenges while processing large volumes of data in production systems. You will engage with problems involving Backend, Machine Learning, and LLMs, enjoying a high degree of autonomy and accountability for the quality and advancement of our systems.Key ResponsibilitiesDefine and enhance the architecture of the systems supporting the AI agent platform, ensuring high availability, performance, and reliability.Lead decisions regarding scalability, ensuring the platform evolves with increasing demand and complexity.Design and implement solutions for processing large volumes of data while ensuring integrity, security, and efficiency at scale.Collaborate with AI teams to integrate machine learning models and LLMs, ensuring their effective application in production.Raise the technical standard of the team through code reviews, establishing best practices, and mentoring fellow engineers.
Join our dynamic AI Squads at Telnyx as a Software Engineer where you'll be at the forefront of innovative technology solutions. You will collaborate with talented professionals to develop cutting-edge AI applications that enhance our services and customer experiences.
bv seeks a Senior Software Engineer in São Paulo with deep experience in Java and Artificial Intelligence. This role centers on building software that uses AI to enhance products and services. Main responsibilities Design and develop software solutions that apply AI technologies to real business challenges Collaborate with teams from different disciplines to create scalable, high-performance applications Build responsive systems that address both business requirements and user needs Teamwork and collaboration Frequent interaction with cross-functional groups is a key part of this position. The focus is on delivering solutions that help bv reach its objectives.
Gramian Consultancy
Gramian Consultancy seeks an AI Evaluation Engineer with a strong background in software engineering and coding. This remote contract role is open to candidates based in Brazil, as well as Bangladesh, Colombia, Egypt, Ghana, India, Indonesia, Kenya, Nigeria, Turkey, and Vietnam. Role overview This position centers on creating and implementing benchmark tasks that reflect real-world software engineering challenges. The work involves evaluating AI systems by designing scenarios where codebases require targeted changes, such as bug fixes, refactoring, or migrations, and then verifying the accuracy of AI-generated solutions. What you will do Create and implement multi-agent benchmark tasks that simulate practical code modifications, including bug fixes, migrations, and refactoring. Apply the Harbor evaluation framework to run and validate tasks in containerized environments. Draft clear task instructions, specifying file paths, function signatures, expected behaviors, and constraints. Write Python validation scripts to check the correctness of code changes. Decompose complex tasks into steps for specialized agents. Review large open-source codebases to identify realistic scenarios for tasks. Run, debug, and refine tasks within Docker to ensure they are reproducible. Iterate on task quality and complexity based on evaluation feedback. Key details Contract type: Contractor assignment (no medical or paid leave) Duration: 4 weeks or longer Schedule: 8 hours per day, with at least 4 hours overlapping Pacific Standard Time (PST) Interview process: Take-home assessment Gramian Consultancy is a boutique firm specializing in IT professional services and engineering talent solutions. The team focuses on software engineering and leadership, helping organizations build effective teams by connecting them with professionals who match their needs.
jobgether is looking for a Senior Software Engineer based in Brazil to help shape AI SaaS products. This position centers on building and improving software that uses artificial intelligence to solve real business problems. Role overview This role involves working closely with a team to design, develop, and refine AI-powered SaaS applications. The Senior Software Engineer will set high standards for code quality and system performance, ensuring that each release meets reliability and efficiency goals. What you will do Lead and contribute to the development of AI-driven SaaS solutions Collaborate with other engineers to deliver features and improvements Maintain a focus on software quality and performance throughout the development cycle Requirements Extensive experience in software engineering, ideally with AI or SaaS products Strong commitment to code quality and technical excellence Based in Brazil
jobgether seeks a Senior Software Engineer specializing in AI Infrastructure to join the team in Brazil. The focus of this position is to design, build, and maintain the AI systems that drive both current projects and future company growth. Key Responsibilities Create and refine AI infrastructure to support various company initiatives Maintain and enhance existing AI systems, ensuring reliability and strong performance Collaborate with teams throughout jobgether to introduce and implement new technologies Help guide the overall direction of AI efforts within the company Location This role is based in Brazil.
Join Telnyx as a Software Engineer within our innovative AI squads, where you will be at the forefront of developing cutting-edge artificial intelligence solutions. In this role, you will collaborate with cross-functional teams, designing and implementing software that enhances our AI capabilities and drives business growth. Your contributions will directly impact our product offerings and customer satisfaction.
About the RoleJoin us at Hopper, where our cutting-edge technology powers some of the world's most significant travel portals. Our Hopper Technology Solutions (HTS) platform facilitates travel purchases for esteemed global brands — from banks to airlines and fintech innovators. This platform serves as a configurable, multi-tenant travel commerce engine, allowing partners to swiftly launch exceptional hotel and travel booking experiences with minimal custom engineering.We are in search of a seasoned software engineer who has embraced best practices in AI-assisted coding. Instead of merely auto-completing your code, you skillfully employ multiple agents to autonomously deliver features at unprecedented speeds. You possess a nuanced understanding of the strengths and limitations of LLMs and know how to establish effective feedback loops and guardrails to maximize their potential.Technology StackOur backend is built using Scala, complemented by a range of Google Cloud Platform (GCP) services.The frontend consists of web applications utilizing React and TypeScript.Your Daily ResponsibilitiesIdentify and implement enhancements to the codebase, enabling agents to operate faster and more securely.Collaborate with a team of elite engineers in a low-process environment that promotes trust and autonomy.Utilize AI to create comprehensive documentation and specifications that assist in driving decisions and building consensus asynchronously.Rapidly develop and learn. Orchestrate AI agents to create new features from user experience through to database management with minimal supervision.Design scalable solutions and foundational patterns that facilitate the efficient launch of new portals.Engage directly with Product Managers and business partners to shape and refine our roadmap; your insights and technical vision are invaluable.Work alongside a diverse team, providing and receiving constructive feedback essential for professional growth.
About Atria HealthAtria Health is a pioneering membership-based preventive healthcare provider that is revolutionizing primary and specialty care delivery. Our services can be accessed from the comfort of your home, our facilities in Palm Beach and New York, or from anywhere in the world.We pride ourselves on assembling a multidisciplinary team of distinguished in-house physicians dedicated to delivering proactive, preventive, and precision-driven healthcare tailored to meet the unique needs of our members and their families. Our mission is to enhance both the lifespan and healthspan of our members through thorough screenings and personalized interventions aimed at preventing, reversing, or managing chronic diseases.Each member's healthcare journey is guided by a dedicated Chief Medical Officer who works in collaboration with specialists across various fields, including cardiology, neurology, pediatrics, gynecology, endocrinology, and performance and movement. Our exceptional clinicians also engage closely with over 60 experts from the Atria Academy of Science & Medicine, who are available for swift consultations and referrals.Role OverviewAtria Health is on the lookout for a Staff Software Engineer specializing in Agentic AI to spearhead the strategy and execution of emerging technologies within our technology ecosystem. This senior-level individual contributor position requires a technical leader who excels in both strategic thinking and hands-on implementation.The ideal candidate will actively identify transformative opportunities to leverage agentic AI across Product, Design, and Engineering teams. You will design and deploy systems that improve workflow efficiency and quality while establishing robust measurement, evaluation, and security standards to facilitate confident scaling.We seek an individual operating at the forefront of AI-assisted development, proficient in utilizing modern AI tools and workflows as part of your daily practice. This is not merely a strategic role; we require an experienced engineer who can create reliable systems, ensure their adoption, and demonstrate measurable success.Your initial focus will be on integrating agentic AI within Atria's technology workflows. Collaborating with engineering, product, design, and cross-functional teams, you will pinpoint high-leverage opportunities, delineate areas requiring human oversight, and establish clear metrics to validate enhancements in speed, quality, and reliability. Following the successful implementation of these systems within the Technology team, you will explore and drive impactful applications of agentic AI across Atria's broader operations.
Encora is seeking a Lead Senior Software Engineer (AI) with strong experience in Go or Python to join its team in Brazil. This role centers on designing and building advanced AI-driven systems that strengthen cybersecurity solutions. Role overview The Lead Senior Software Engineer (AI) will take a key role in product innovation for offensive security. Responsibilities include guiding the technical direction of projects, developing AI-powered features, and ensuring high standards in software delivery. Leadership and mentorship This position involves mentoring junior engineers, sharing technical knowledge, and encouraging a culture of ownership and continuous learning. The engineer will help set best practices and foster technical excellence within the team. Requirements Strong background in Go or Python Experience designing and developing AI systems Ability to lead projects and mentor other engineers Interest in offensive security and cybersecurity solutions
Valsoft Corporation
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.
Lifted An Upwork Company
Join our innovative team as a Full Stack Software Engineer specializing in AI training. In this role, you will contribute to the development and enhancement of AI models using cutting-edge technologies. You will collaborate with cross-functional teams to design, implement, and optimize software solutions that drive our AI initiatives forward.
Valsoft Corporation
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.
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.
Anyone AI is looking for Full-Stack Developers who have strong skills in Python and JavaScript or TypeScript. This position supports a major project in partnership with a well-known AI Lab. Role overview This role centers on building and maintaining software that supports artificial intelligence initiatives. The work involves both backend development with Python and frontend tasks using JavaScript or TypeScript. Key responsibilities Develop and maintain full-stack applications for AI-driven projects Collaborate with other engineers and AI specialists to deliver project goals Requirements Professional experience with Python Proficiency in JavaScript or TypeScript Located in Brazil
Role overview As a Senior Full Stack Software Engineer at oowlish, this position centers on building applications that incorporate Artificial Intelligence. The work involves both Node.js and React, with a focus on improving user experiences and advancing business objectives. What you will do Collaborate with cross-functional teams to define and deliver new product features Participate in all phases of the software development lifecycle, from initial planning through deployment Use current development practices to maintain software quality and support long-term maintainability Design, develop, and maintain full stack solutions with Node.js and React Location This role is based in Brasília, Federal District, Brazil.
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