Software Engineering Consultant

Description

Job Summary: Act as a technical leader actively participating in the entire software development lifecycle and lead high-complexity technical projects. Key Highlights: 1. Lead high-complexity technical projects 2. Disseminate new concepts, practices, or methodologies 3. Development in Java and .Net for complex applications **Date:** Jan. 21, 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 leverage artificial intelligence to deliver a personalized and dynamic experience. You will be redirected to the **Rheunion** platform, where you can explore this innovation while we learn more about your professional profile. And rest assured: your experience is fully secure. We are firmly committed to protecting your data — privacy and security are our top priorities! **About the Role** **Position:** Software Engineering Consultant **Location:** São Paulo/SP **Publication Date:** 01/21/26 **Your Day-to-Day Responsibilities** * **Act as a technical leader actively participating in the entire software development lifecycle**: requirements gathering, documentation of technical specifications, analysis, prototyping, design, development, internal and external technical support, and testing — both for new features and for defect correction in critical, high-performance, and highly available systems of the PUMA trading platform; * **Lead high-complexity technical projects**, identifying priorities, distributing tasks, and proactively supporting the team to deliver results with minimal direction and limited supervision; * **Disseminate new concepts**, practices, or methodologies; * **Development in Java and .Net** (optional), focused on complex, high-performance applications within a high-throughput, low-latency environment composed of distributed and cloud-based systems; * **Alignment with suppliers and partners**, including international ones, regarding timelines, requirements, and deliverables. **Area Responsibilities** This area is responsible for Reference Data and Tunnel Calculation systems for trading. It handles analysis, development, maintenance, support, and evolution of these systems. These systems maintain the data structures required for the electronic trading environment. **What We Expect From You** * Completed undergraduate degree; * Minimum 10 years of experience in compiled programming languages (e.g., Java; .NET); * Knowledge of cloud development, preferably Azure (including GitHub, GitActions); * Advanced knowledge of algorithms and data structures; * Advanced knowledge of programming techniques (e.g., concurrency, memory management); * Development for distributed, real-time, large-scale systems; * JUnit, OS Linux and Windows, WSL and Docker; * Intermediate English **Nice-to-Have Qualifications:** * Financial industry protocol (FIX); * Middleware / Messaging System knowledge (JMS, Tibco, MQ or ZeroMQ); * Financial industry business knowledge; * STL, Boost (C\+\+) knowledge; * Collections API, Multithreading, GC (JAVA); * Cloud development technologies such as PingIdentity, PostgreSQL; * Advanced English. **Benefits** * **Profit and Results Sharing Program** (PLR) * **Bradesco Health and Dental Insurance** * **Meal Allowance** (R$ 600/month) * **Food Voucher** (R$ 50 per business day) * **Transportation Voucher** and partial reimbursement for shuttle services * **Private Pension Plan** * **Extended Maternity Leave** (up to 180 days) and extended paternity leave * **Childcare/Babysitter Assistance** * **Wellhub** (Gympass) and **TotalPass**, extendable to dependents * **Discount Club** offering savings at hundreds of companies * **Hybrid Work Model** and flexible dress code (“Dress as you are!”) * **Alura** online learning platform * **Wellness Programs:** personal support, workplace gymnastics, birthday day off, free museum entry, quick massage, and 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 much more than Brazil’s stock exchange. We are a global benchmark in financial market infrastructure, with over 100 years of history and 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, empowers careers, and transforms lives? Then this role is for you!**