Job Summary: We are looking for a dynamic, communicative, and technology-passionate developer to work on an application with over 2.5 million users at Wiipo, a fintech focused on benefits and credit. Key Highlights: 1. Working on an application with a large user base 2. Focus on simplicity and collaboration in daily work 3. Opportunities for learning and specialization with direct impact Our purpose is to offer businesses and individuals freedom of choice and technological-company-level experience. Connecting flexible financial services and benefits intelligently is what drives us. Join us on this rocket ride: Be a \#Wiiper To boost the tech ecosystem with us, learn more about Senior’s Technology Manifesto. **ABOUT WIIPO:** Wiipo is the benefits and credit fintech of Grupo Senior, created to empower people and HR departments through simple, digital, and life-stage-connected solutions. Our purpose is clear: We Power You. We provide employees with freedom of choice, HR teams with intelligence, and companies with scalability—integrating benefits, credit, data, and technology into a unique ecosystem. Wiipo is a strategic piece in Grupo Senior’s HR One-Stop-Shop vision, with strong growth potential, direct impact on the experience of millions of employees, and a central role in business expansion over the coming years. **ABOUT THE CHALLENGE:** This position offers the opportunity to work on an application with over 2.5M users. At **Wiipo**, beyond being a developer, you are also a direct end-user of everything you build. Whether it’s a business rule in the backend or a screen in the frontend, everything you develop will be in your hands for daily use within the Wiipo app. Therefore, if you are dynamic, communicative, and passionate about development, this role is perfect for you! Our daily routine emphasizes simplicity and collaboration. The more interest you show in a subject, the greater the opportunities to learn and specialize—always with the ability to see the tangible results of your work directly in the palm of your hand via the Wiipo app. **WHAT WE EXPECT FROM YOU:** * Proficiency in programming languages **TypeScript (React);** * Knowledge of frameworks and libraries commonly used in web or mobile development (**React Native);** * Familiarity with agile methodologies (Scrum, Kanban) and version control tools (Git); * Strong communication skills and ability to produce technical documentation; * Bachelor’s degree completed or in progress in Computer Science, Software Engineering, or related fields. **WHAT COULD ENHANCE YOUR CANDIDACY:** * Experience with relational (SQL) and non-relational (NoSQL) databases. * Knowledge of serverless architectures and design patterns. * Familiarity with DevOps tools. * Relevant certifications in software development. * AWS knowledge. **Being a Wiiper means:** * Health and dental insurance; * Life insurance; * Wiipo Card with flexible benefits; * Wiipo Club with exclusive discounts and advantages; * Flexible working hours bank; * Maternity/paternity assistance; * Pet assistance; * Senior Corporate University; * Career development plan; **We are Wiipo!** We are Wiipo, the fintech of Grupo Senior Sistemas—a digital platform integrating various financial services and corporate benefits, easy to contract, delivering agility, flexibility, autonomy, and cutting-edge technology. Learn more about Wiipo at: wiipo.com/sobre or through our social media: LinkedIn | Instagram | Facebook | YouTube **Wiipo is also Senior:** We are a Brazilian company recognized as one of the country’s largest software developers for business management. With over 35 years of history and offices across Brazil, we take pride in the digital transformation we drive for countless businesses. Beyond Brazil, we have expanded internationally through the acquisition of a company in Colombia, making us LATAM. With one of the most comprehensive high-performance portfolios, the quality of our solutions stems from the work of over 3,000 professionals. Our purpose—"Empower People and Accelerate Business"—and our passion for technology make us a GPTW. For seven consecutive years, we remain Great Place to Work®, driven by incredible people who make Senior an ever-better place to work. Thus, we continue growing—valuing the journey and demonstrating that Senior’s expansion and brand strength are built by engaged, fearless people, because driving the new is part of who we are. Discover more about us at senior.com.br or through our social media: