Job Summary: Lead the development of innovative and secure backend systems to democratize e-commerce and financial services across Latin America. Key Highlights: 1. Lead and mentor high-performance teams. 2. Design and scale innovative and secure systems. 3. Work with cutting-edge technology and proprietary AI models. As a **Software Project Lead Backend** at Mercado Livre, you will design and scale innovative and secure systems that solve real-world, high-impact problems. You will work in a dynamic environment leveraging cutting-edge technology, engineering best practices, proprietary AI models, and continuous learning—all aimed at democratizing e-commerce and financial services across Latin America. Imagine yourself leading challenging, dynamic, and innovative projects and being **responsible for:** * Leading and mentoring people, fostering collaboration, and building a high-performance team. * Defining the technical roadmap aligned with strategic business initiatives, with clear and measurable objectives. * Managing projects (planning, scope, estimation, risk management) and ensuring effective communication and alignment among multiple stakeholders. * Conducting ongoing discoveries and making data-driven decisions. * Delivering end-to-end features in partnership with UX, Product, Data, Integrators, Compliance, and other areas. * Establishing and monitoring success metrics (for products and features) to enable agile decision-making based on learnings, while navigating diverse markets and regional regulatory contexts—ensuring security, quality, and operational excellence standards. **What we’re looking for in you:** * Strong expertise in **GO, JAVA**, and Backend development. * Experience across the full software development lifecycle—including design, evaluation, and implementation of **distributed systems (high availability, scalability, resilience, low latency)**. * Solid knowledge of microservices and event-driven architecture, APIs, databases (Relational, NoSQL, KVS), message brokers (BigQueue, Streams, Workqueues), and SQL. * Familiarity with monitoring/APM tools (e.g., Datadog, New Relic) and version control tools (Git, GitHub). * Analytical ability to make data-driven decisions, comfort with ambiguity, and skill in transforming complex problems into actionable plans. **Are you excited to leave your mark on Latin America’s tech landscape?** Apply now and join our mission! Hybrid work model. Office: São Paulo.