Senior Software Engineer - Backend

Description

Job Summary: As a Senior Software Engineer Backend, 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 across Latin America. Key Highlights: 1. Design and scale innovative and secure systems with high impact 2. Work with cutting-edge technology, AI, and continuous learning 3. Contribute to the team's technical growth and code quality As a **Senior Software Engineer Backend** 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 leveraging 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:** * Analyzing and developing new features focused on traffic management, delivering significant impact across multi-tiered services. * Defining and building, together with specialist teams, services oriented toward infrastructure resource virtualization. * Maintaining the production system, supporting customer-facing teams in bug resolution and environment sustainment. * Supporting developers in adopting and utilizing the platform, promoting best usage practices. * Contributing to the team's technical growth, elevating code quality and methodologies, ensuring scalability, and identifying user needs to propose continuous evolutions and strategic improvements. **What we’re looking for in you?** * Demonstrated strong learning ability and technological curiosity. * Solid experience in development using Java (Spring Boot) and the API/microservices ecosystem; knowledge of Go, NodeJS, or Python is a plus. * Mastery of system architecture and cloud environments such as AWS, GCP, or OCI; experience with relational and NoSQL databases. * Proficient use of observability and monitoring tools such as DataDog, New Relic, and Grafana to ensure application health. * Clear and empathetic communication across multiple teams and countries; Spanish proficiency is a plus, and availability for occasional critical-window shifts (3 AM to 6 AM). **Are you excited to leave your mark on Latin American technology?** Apply now and join our purpose! Hybrid work model. Office located in Osasco/SP.