Job Summary: Senior Software Engineer to serve as a technical reference in building and operating solutions for detecting fraud in financial and non-financial transactions. Key Highlights: 1. Work in a development squad for critical fraud detection engines. 2. Build scalable and resilient solutions with security and performance. 3. Technically lead the mapping, normalization, and sending of payloads. **About Itaú Unibanco** Itaú is Brazil’s most valuable brand, the best company to work for according to Great Place to Work, and the largest bank in Latin America. We impact over 98 million customers daily across 18 countries. We are made of people, and we believe that having a team with plural origins, cultures, beliefs, experiences, races, disabilities, genders, sexual orientations, and generations broadens perspectives and contributes to an environment of respect and appreciation for differences. Work Model \- Hybrid (8 days on-site per month \- Jabaquara/SP). **Responsibilities and Duties** You will join a Squad responsible for developing and evolving critical fraud detection engines for financial and non-financial transactions. You will be responsible for building scalable and resilient solutions, ensuring security and performance. **Your Day-to-Day:** We are seeking a **SENIOR SOFTWARE ENGINEERING** professional to serve as a technical reference in building and operating solutions that send, normalize, enrich, and observe transactions for the SaaS engine, ensuring low latency, high reliability, and data governance—accelerating pipeline migration and operational sustainability (Build \& Run). **YOUR MISSION WILL BE** * Technically lead the mapping, normalization, and sending of payloads * Standardize contracts and semantics * Implement and/or guide data construction across SoR/SoT/Spec layers, considering granularity * Support data democratization and evolution arising from engine migration and new enrichment * Enhance observability (dashboards/monitors/alerts) and reliability of the flow, including * Handle real production incidents * Participate in change management/GMUD and stabilization activities * Collaborate with internal teams and external partners (e.g., FICO) to evolve fields. **Requirements and Qualifications** **What You Need to Excel At:** * Experience in Java or Python programming; * Experience with AWS Cloud (EC2, ECS, EKS, SQS, SNS, ELB, Route53, VPC); * Experience with microservices; * Knowledge of relational and non-relational databases; * Knowledge of software testing; * Experience with observability using Datadog; * Knowledge of Git; * Knowledge of agile methodologies. **Additional Information** **As an Ituber, you’ll enjoy:** * Transportation Allowance * Meal Allowance (restaurants) / Food Allowance (supermarkets) * Health Plan (Fundação Saúde Itaú **or** Central Nacional Unimed) * Dental Plan (Odontoprev **or** Interodonto) * Life Insurance * Profit Sharing (PLR – Participation in Profits and Results, subject to bank performance) * Private Pension * Exclusive discounts on our financial products * Extended maternity and paternity leave * Daycare/Babysitter Assistance (for moms and dads) * Study Incentives * Wellhub or TotalPass * Access to Itaú Leisure Clubs (Guarapiranga / Itanhaém and São Sebastião) * \+ Additional benefits you may learn about during the process Learn more about our culture: https://www.itau.com.br/relacoes\-com\-investidores/noticias/cultura\-itubers\-e\-nosso\-novo\-conjunto\-de\-valores/ * We encourage applications from people with disabilities for all positions; therefore, feel free to apply to roles marked as exclusive or non-exclusive for people with disabilities. We are committed to inclusion and value diversity. **\#JoinItaú \#BeAnItuber** We are Brazil’s **largest private bank by market value** and **Brazil’s most valuable brand**, valued at **R$ 46.9 billion**, according to the 2024 Interbrand ranking. We are also the company that **develops the most careers in Brazil**, according to LinkedIn Top Companies for seven consecutive years, and we have received the award for **Best Internship Programs 2024** from CIEE. With the largest product portfolio in the sector in Brazil—and through our brands and commercial partnerships—we offer a wide range of career opportunities across diverse specialization areas, all driven by a powerful purpose: **delighting our customers by delivering exactly what they need, when they need it!** Today, we have a team of over 90,000 collaborators (the itubers) spread across Brazil and abroad, present in 18 countries.