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Job Summary: You will design and scale innovative and secure systems, applying engineering best practices, proprietary AI models, and continuous learning to democratize e-commerce and financial services. Key Highlights: 1. Design and scale innovative and secure systems 2. Work with cutting-edge technology and AI models 3. Lead challenging, dynamic, and innovative projects As a **Software Engineer Backend** 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 using 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 leading challenging, dynamic, and innovative projects and **being responsible for**: * Writing 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 collective team expertise. * Designing distributed architectures using advanced patterns. * Defining testing and observability strategies, implementing automated tests, metrics, and logs to ensure reliability and performance. **What are we looking for?** * More than 5 years of experience in similar roles, with strong proficiency in languages such as Java, Golang, and/or Python. * Knowledge of relational and non-relational databases. * Experience designing and developing distributed architectures and microservices. * Experience in testing, ensuring high security standards. * This vacancy is exclusively for persons with disabilities. **Are you ready to leave your mark on Latin American technology?** Apply now and join our purpose! *Hybrid work model. Site: Medellín, Colombia.*
