Software Project Leader - B2B

Description

Job Summary: Lead and scale innovative and secure systems at Mercado Livre, applying engineering best practices, AI, and continuous learning to democratize e-commerce and financial services. Key Highlights: 1. Will design and scale innovative and secure systems using cutting-edge technology. 2. Hands-on leadership in high-quality backend architecture and development. 3. Focus on performance, reliability, and business impact in scalable systems. As a Software Project Leader 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 powered by cutting-edge technology, applying 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:** * Developing high-quality code, performing complex refactors, and conducting code reviews. * Designing and maintaining robust, scalable APIs to ensure resilient, modular solutions aligned with business objectives. * Making data-driven decisions using dashboards, analytical tools, and the team’s collective experience. * Designing distributed architectures using advanced patterns. * Defining testing and observability strategies, implementing automated tests, metrics, and logs to ensure reliability and performance. **What we’re looking for in you?** * Technical background in backend development with proficiency in languages such as Java and/or Golang, plus experience building APIs, microservices, and distributed systems. * Ability to discuss architecture, technical trade\-offs, and engineering decisions with the team, acting as a hands\-on leader on initiatives. * Expertise working with high-traffic, highly scalable systems — emphasizing performance, reliability, and quality — coupled with a strong product-oriented mindset, metrics focus, and business impact awareness, leveraging data and experimentation to evolve solutions. * Experience with Growth platforms, Marketing Tech, or traffic acquisition systems, as well as knowledge of recommendation systems, personalization, or ranking, will be considered advantageous. **Are you excited to leave your mark on Latin American technology?** Apply now and join our purpose! Hybrid work model. **Florianópolis Office**