Job Summary: This role offers an opportunity to work on an application with over 2.5 million users, developing solutions that directly impact daily life within a dynamic and collaborative environment. Key Highlights: 1. Work on an application with over 2.5M users 2. Focus on simplicity and collaboration 3. See the result of your work through the Wiipo app Our purpose is to offer companies and individuals freedom and power of choice, combined with the experience of a technology company. Having intelligent, interconnected financial services and flexible benefits is what drives us. Join us on this rocket ride: Be a \#Wiiper To help accelerate 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–aligned solutions. Our purpose is clear: We Power You. We provide employees with freedom of choice, HR teams with intelligence, and companies with scalability—connecting benefits, credit, data, and technology within 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 presents an opportunity to work on an application with over 2.5M users. At **Wiipo**, beyond being a developer, you are also a direct user of everything you code. Whether it’s a business rule in the backend or a screen in the frontend, everything you build will be in your hands for daily use within your Wiipo app. Therefore, if you have a dynamic, communicative profile and are passionate about development, this role is perfect for you! Our routine emphasizes simplicity and collaboration. The more interest you show in a given topic, the greater the opportunities to learn and specialize—always with the ability to see the tangible result of your work right in the palm of your hand via the Wiipo app. **WHAT WE EXPECT FROM YOU:** * Proficiency in the **C# programming language**; * Knowledge of frameworks and libraries commonly used in web or mobile development **(Entity Framework)**; * Familiarity with agile methodologies (Scrum, Kanban) and version control tools (Git); * Strong communication skills and ability to produce technical documentation; * Currently pursuing or holding a completed undergraduate degree in Computer Science, Software Engineering, or related fields. **WHAT MAY ENHANCE YOUR APPLICATION:** * 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 offering exclusive discounts and advantages; * TotalPass — Gym and wellness benefit; * Banked hours; * Birth assistance; * Pet care 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, bringing agility, flexibility, autonomy, and cutting-edge technology. Learn more about Wiipo at: wiipo.com/sobre or through our social media: LinkedIn | Instagram | Facebook | YouTube **Being Wiipo also means being Senior:** We are a Brazilian company recognized as one of the country’s leading 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 numerous businesses. Beyond Brazil, we’ve expanded internationally by acquiring 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 Businesses"—and our passion for technology make us a GPTW. For seven consecutive years, we’ve maintained our status as a Great Place to Work®, driven by incredible people who make Senior an ever-better place to work. We continue growing, valuing every journey and demonstrating that Senior’s expansion and brand strength come from engaged, fearless people—because driving innovation is part of who we are. Discover more about us at senior.com.br or through our social media: