Software Engineer - Post-Purchase

Description

Job Summary: As a Post-Purchase Software Engineer at Mercado Libre, you will design and scale innovative and secure systems to solve high-impact problems, applying AI and sound engineering practices to democratize e-commerce and financial services. Key Responsibilities: 1. Design and scale innovative and secure systems using cutting-edge technology. 2. Reimplement the delay experience by integrating coupons and AI-powered solutions. 3. Backend development in high-performance and scalable environments. As a **Post-Purchase 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, applying sound engineering 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:** * Reimplementing the delay experience—screens, emails, and notifications—for one of the most painful flows for buyers, natively integrating coupons into the user experience. * Participating in the implementation of AI-powered solutions for calculating time windows in last-mile delivery, ensuring predictability and an exceptional user experience. * Creating, developing, implementing, and maintaining scalable solutions in collaboration with other internal teams—always prioritizing technical quality and efficiency. * Incorporating AI tools into the development workflow to increase productivity, designing reusable Skills that automate frequent tasks such as documentation, debugging, and code analysis. * Working synergistically with business and product teams to deliver an exceptional experience to platform users. **What We’re Looking For:** * Strong knowledge and experience building distributed systems and REST APIs under event-driven architectures. * Backend development experience (Java and/or Go) in high-performance and scalable environments. * Ability to own a project end\-to\-end—from definition through design, implementation, testing, production rollout, and maintenance. * Autonomy to handle medium- and high-complexity tasks, driving initiatives across all stages: analysis, design, subtask prioritization, estimation, and deliverable tracking. * Capability to deploy changes to complex systems without supervision. * Proactive attitude to identify opportunities for optimizing the development lifecycle using AI and proposing best practices for the team. **Ready to Leave Your Mark on Latin American Technology?** Apply now and join our mission! Hybrid work model. Location: Buenos Aires, Argentina.