Sr Software Engineer
Core
Design and scale innovative and secure backend systems to solve high-impact real-world problems, improving user experience and application health.
Role type
Senior Backend Software Engineer
Builds
Backend systems for Mercado Libre's commerce and financial services ecosystem
Domain
E-commerce and Financial Services
Deliverable
production ML models
Required skills
Golang, Java, Python, GenAI, Testing, Observability, Security
Preferred skills
Experience with AI tools (Codex, Claude Code), Product/Business team collaboration
Technologies
Golang, Java, Python, GenAI, Codex, Claude Code
Responsibilities
Design and scale backend systems, connect with user needs to transform experiences, apply engineering best practices and security standards, lead initiatives from problem understanding to solution evaluation
Seniority
Senior, hands-on IC
