Senior Software Engineer - Platform Security

Description

Job Summary: Design and scale innovative, secure systems in a dynamic environment powered by cutting-edge technology to solve high-impact problems, thereby democratizing e-commerce and financial services. Key Highlights: 1. Working on the development and evolution of applications with a focus on security. 2. Handling technically complex problems in critical, high-impact services. 3. Ensuring quality, observability, high availability, and performance. As a **Senior Software Engineer** at Mercado Livre, you will design and scale innovative, secure systems that solve real, 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\-yourself leading challenging, dynamic, and innovative projects and **being responsible for:** * Developing and evolving various applications and components with a security focus across the entire Meli ecosystem. * Handling technically complex problems in critical services processing over 900 million transactions daily, with central impact across the company. * Ensuring the quality and robustness of developed components, meeting requirements for observability, high availability, reliability, and performance. * Actively participating in organizing, defining, and prioritizing the team’s backlog and roadmap. **What we’re looking for:** * Experience in Backend development using Go or Java, along with designing and implementing REST services. * Familiarity with cloud architectures and tools, and experience in high-load environments with a focus on concurrency. * Solid knowledge of testing strategies across multiple layers: unit, integration, functional, and load testing. **Are you excited to leave your mark on Latin American technology?** Apply now and join our purpose! Hybrid work model. Locations: Osasco \- SP.