Job Summary: You will design and scale innovative and secure systems in a dynamic environment, applying engineering best practices to democratize e-commerce and financial services. Key Highlights: 1. Design and scale innovative systems using cutting-edge technology. 2. Participate in all stages of development for challenging projects. 3. Develop high-quality code and apply sound development practices. As a **Fullstack 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 technologies, applying engineering best practices, proprietary AI models, and continuous learning—aiming to democratize e-commerce and financial services across Latin America. **Imagine leading challenging, dynamic, and innovative projects and being responsible for:** * Analyzing, designing, and developing scalable backend services in Java, ensuring optimal performance and efficiency. * Having experience working with Nordic. Bonus if you have worked with TypeScript. * Possessing knowledge of microservices architectures and their scalability. * Participating in all stages of development: analysis, hypothesis formulation, design, development, testing, deployment, and post-production monitoring. * Developing high-quality code, performing complex refactors, and conducting code reviews. * Applying development best practices, such as SOLID principles, clean architecture, and API-first design for robust and scalable APIs. **What are we looking for?** * More than 4 years of experience developing and deploying backend solutions in Java and frontend solutions in Nordic. * Experience with monitoring and observability tools such as OTel, DataDog, and Grafana. * Solid knowledge of development best practices, including design patterns, clean architecture, and programming principles. * Knowledge of relational and non-relational databases. * Proficiency in REST API design and implementation. **Ready to leave your mark on Latin American technology?** Apply now and join our mission! Hybrid work model. **Site Medellín, Colombia**