**Date:** Jan. 9, 2026 **Location:** São Paulo, São Paulo **Company:** B3 S.A. – Brasil, Bolsa, Balcão **Get ready for an amazing experience!** At B3, we believe every step of your journey should be innovative, secure, and inspiring. That’s why we’re introducing a technological innovation to make the beginning of our selection process even more immersive and interactive: we’re leveraging artificial intelligence to deliver a personalized and dynamic experience. You’ll be redirected to the **Rheunion** platform, where you can explore this innovation while we get to know your professional profile better. And rest assured: your experience is completely secure. We are firmly committed to protecting your data—privacy and security are top priorities for us! **About the position** **Position:** Junior Front End Developer **Location:** São Paulo/SP **Publication date:** 09/01/26 **What your day-to-day will look like** * **Analysis, modeling, and implementation** of systems using HTML, CSS, JavaScript, Angular, and React; * **Develop innovative web solutions**, integrating with the Digital Channels team. **Team responsibilities** The team is responsible for creating, maintaining, and evolving web-based applications and systems, including trading platforms, customer services, and internal solutions. They work to ensure interfaces are functional, secure, and deliver an excellent user experience. **What we expect from you** * Completed undergraduate degree; * Experience with HTML, CSS, and JavaScript; * Knowledge of Angular and React; * Strong communication and teamwork skills; * Ability to analyze and model systems. **Nice-to-have qualifications** * Java programming language; * Familiarity with Artificial Intelligence applied to web development; * Back End knowledge; * DXP Liferay; * Flutter. **Benefits** * **Profit and Results Sharing Program** (PLR) * **Bradesco Health and Dental Insurance** * **Meal allowance** (R$ 600/month) * **Food allowance** (R$ 50/business day) * **Transportation allowance** and partial reimbursement for shuttle services * **Private pension plan** * **Maternity leave** (up to 180 days) and extended paternity leave * **Childcare/babysitter assistance** * **Wellhub** (Gympass) and **TotalPass**, extended to dependents * **Savings Club** offering discounts across hundreds of companies * **Hybrid work model** and flexible dress code (“Dress like yourself!”) * **Alura** online learning platform * **Wellness programs:** personal support, workplace gymnastics, birthday day off, free museum entry, quick massage, and much more * **Funeral assistance** for you and your pet **Recognitions** * **Top Employer Brazil** (2020–2025) * **Best Companies to Work For** (Financial Institutions, Information Technology, São Paulo, Women, Ethnic-Racial, LGBTI+) * Awards reinforcing our commitment to diversity, inclusion, and excellence **Join us in building the future at B3!** We are far more than Brazil’s stock exchange. We are a global benchmark in financial market infrastructure, with over 100 years of history and a direct impact on the country’s sustainable economic development. Here, you’ll find a plural, innovative, and collaborative environment where each person is the protagonist of their own journey. **Want to join a team that connects markets, advances careers, and transforms lives? Then this opportunity is for you!**