Job Summary: A Senior Software Quality Engineering Analyst who will define strategies, develop scripts, conduct complex tests, and mentor less experienced analysts to ensure B3's technological infrastructure. Key Highlights: 1. Define strategies and standards for load, resilience, and capacity testing. 2. Develop advanced load scripts and conduct complex test executions. 3. Support strategic projects and mentor less experienced analysts. **Date:** Mar 9, 2026 **Location:** São Paulo, São Paulo **Company:** B3 S.A. – Brasil, Bolsa, Balcão **About the position** **Position:** Senior Software Quality Engineering Analyst **Location:** São Paulo/SP **Publication date:** 09/03/26 **Your day-to-day responsibilities** * **Define strategies and standards for testing** load, resilience, and capacity; * **Develop and review advanced load scripts** (JMeter, Gatling or equivalents); * **Conduct complex test executions** in critical environments, analyzing results and proposing technical corrections; * **Generate and validate test data** in highly complex scenarios; * **Document test scenarios**, best practices, and technical standards for the team; * **Support and influence strategic projects** related to reliability, scalability, and performance; * **Mentor less experienced analysts** and review the team’s technical artifacts. **Area Responsibilities** This area is responsible for ensuring the technological infrastructure required for the operation of trading systems, data management systems, and operational services of the exchange. This includes implementation, maintenance, and support of servers, networks, storage, and other essential components that guarantee the availability and security of operations. **What we expect from you** * Completed undergraduate degree; * Experience in performance, capacity, or reliability teams, operating in critical environments; * Experience with test automation and scripting (Python, Bash, PowerShell); * Knowledge of Infrastructure as Code (Ansible, Terraform – desirable); * Experience working with Cloud (Azure or AWS) – distributed testing, scalability, and monitoring; * Experience with Observability (AppInsights, Grafana, Prometheus, Elastic or equivalents); * Knowledge of SQL and Java for bottleneck analysis; * Intermediate/advanced English for technical reading and interaction with vendors. **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** * **Maternity Leave** (up to 180 days) and extended paternity leave * **Childcare/Babysitter Assistance** * **Wellhub** (Gympass) and **TotalPass**, extended to dependents * **Advantage Club** offering discounts at hundreds of companies * **Hybrid work model** and flexible dress code (“Dress as YOU are!”) * **Alura** online learning platform * **Quality-of-Life Programs:** personal support, workplace gymnastics, birthday day off, free museum entry, quick massage, and more * **Funeral Assistance** for you and your pet **Recognition Awards** * **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 with 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, accelerates careers, and transforms lives? Then this opportunity is for you!**