
Software Engineer - Traffic & Platform Security
Mercado Libre19 hours ago
Governador Valadares, BrazilSenior
Responsibilities
- Design and evolve the authorization platform to ensure consistent access decisions across the ecosystem.
- Develop and maintain backend APIs, jobs, and services using Java, Go, Groovy, or NodeJS.
- Architect solutions for very high concurrency and low latency on critical transaction paths.
- Model data in relational and NoSQL databases while balancing consistency and performance in cloud environments.
- Instrument services with New Relic and Datadog to ensure observability and reliability.
Requirements
- Solid backend development experience with Java, Go, Groovy, or NodeJS.
- Experience with highly concurrent systems and scalable architecture.
- Knowledge of relational and NoSQL database modeling.
- Proficiency with observability tools such as New Relic and Datadog in cloud environments.
- Familiarity with generative AI tools in the software development lifecycle.
Benefits
- The position is located in Brazil.
- The role is part of a technology team at Mercado Livre focused on e-commerce and financial services in Latin America.
About Mercado Libre
Mercado Libre builds an e-commerce marketplace and fintech infrastructure for consumers and merchants across Latin America. It monetizes through marketplace transaction fees, payment processing (Mercado Pago), logistics and fulfillment (Mercado Envíos), advertising, and credit products. Founded in 1999 and headquartered in Buenos Aires, it operates in 18 countries and is publicly traded on Nasdaq under the ticker MELI.