Job Summary: Design and scale innovative and secure systems in a dynamic environment, applying engineering best practices and AI to democratize e-commerce. Key Highlights: 1. Work with cutting-edge technology and proprietary AI models 2. Develop high-quality code and participate in code reviews 3. Democratize e-commerce and financial services in Latin America As a **Backend Software Developer** 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 with 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:** * Collaborating on high-quality code development, applying best practices and participating in code reviews. * Performing maintenance and bug-fix tasks within existing projects, including pre-defined tasks, bug fixes, use cases, etc. * Reproducing simple end-to-end workflows under guided supervision and assisting with medium-complexity workflows, such as designing and exploring tasks, etc. **What we’re looking for in you:** * Completed or ongoing undergraduate degree in technical courses, programming, Computer Engineering, Computer Science, Systems Analysis and Development, or related fields. * Knowledge of backend language fundamentals, such as Java, Go, Python, Node.js, C# or similar. * Knowledge of programming and data structures—including variables, functions, conditional statements, loops, operators—even if you have not yet applied them professionally. * **This position is exclusively for persons with disabilities.** **Are you excited to leave your mark on Latin America’s technology landscape? Apply now and join our purpose!** Hybrid work model. Office locations: Osasco, SP or Florianópolis, SC.