Job Summary: As a Senior Software Engineer at Mercado Libre, you will design and scale innovative and secure systems, applying best practices and cutting-edge technology to democratize commerce. Key Highlights: 1. Design and scale innovative and secure systems 2. Work with cutting-edge technology and proprietary AI models 3. Lead cloud architecture definitions and ensure resilience As a **Senior Software Engineer** at Mercado Libre, 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 tackling challenging, dynamic, and innovative projects—and being **responsible for**: * Integrating the VectorDB solution with multiple services across the MELI ecosystem. * Designing and operating the similarity search platform at massive scale. * Solving complex performance and low-latency issues in large-scale distributed systems. * Leading cloud architecture definitions and ensuring resilience of business-critical infrastructure. * Collaborating on building the technological foundation for GenAI tools, agents, and data platforms. **What are we looking for?** * Proficiency in software development using the Go programming language. * Ability to design and consume REST APIs within microservices architectures, working with cloud infrastructures and operating distributed systems. • Proficiency with observability tools for application monitoring and incident resolution, such as Datadog. * Experience implementing GenAI tools and agents. **Ready to leave your mark on Latin American technology?** Apply now and join our purpose! *Hybrid work mode. Site Colombia (Bogotá)*