




Job Summary: Design and scale innovative, secure systems at Mercado Libre, applying engineering best practices and AI to democratize e-commerce and financial services across Latin America. Key Highlights: 1. Lead architecture redesign and build reusable capabilities. 2. Orchestrate solutions to reduce systemic friction and external dependencies. 3. Influence technical and product decisions with an end-to-end perspective. As a **Software Expert** at Mercado Libre, you will design and scale innovative, 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:** * Leading, together with the team, architecture redesign to drive progressive decoupling and build reusable capabilities. * Mapping systemic friction beyond the team’s immediate scope and orchestrating solutions that reduce external dependencies. * Ensuring AI usage is evaluated during the design of new solutions and architectural evolutions. * Building capabilities that accelerate discovery, development, and delivery through structured use of AI where applicable. * Actively tracking the team’s key initiatives to ensure architectural coherence, technical quality, and alignment with strategic vision through to delivery. * Influencing technical and product decisions from an end\-to\-end perspective. **What we’re looking for in you:** * Strong experience in distributed backend systems and complex architectures. * Proven track record of technical leadership in structural transformations, collaborating effectively across multiple teams. * Ability to reduce organizational coupling through technical influence and collective building. * Practical experience or strong conceptual mastery of AI applied to production systems. * Consistent balance between deep technical expertise and business/product vision. **Are you excited to leave your mark on Latin America’s technology landscape?** Apply now and join our purpose! Hybrid work model. Offices in São Paulo, Rio de Janeiro, Belo Horizonte, or Florianópolis.


