Sr Software Engineer Backend | AAML Pricing
Mercado Libre23 hours ago
Medellín, ColombiaSenior
Responsibilities
- Evolve backend services supporting critical pricing, anomaly, and item-classification workflows.
- Design synchronous and asynchronous contracts and flows between services, events, and data processes.
- Address concurrency, latency, availability, consistency, scalability, cost, and failure-tolerance challenges in distributed systems.
- Improve observability through metrics, logs, and alerts while participating in on-call rotations, incidents, and sensitive migrations.
- Design unit, integration, and end-to-end tests and support gradual rollouts with multiple consumers.
- Provide technical guidance through design and code reviews, documentation, and collaboration.
Requirements
- Solid experience in backend development and operating distributed systems in production.
- Ability to design APIs, event-oriented integrations, and persistence models while reasoning about concurrency, consistency, scalability, and fault tolerance.
- Strong software engineering fundamentals, including modular design, testing, observability, performance, security, and maintainability.
- Demonstrated experience with generative AI tools.
- Critical thinking and experience solving complex problems, evaluating trade-offs, and carrying solutions through to impact.
- Strong learning and adaptation capabilities across domains, technologies, languages, and Marketplace and Shipping challenges.
- Go is the predominant language; prior Go experience is valued, but engineering fundamentals, technical judgment, and learning ability are prioritized.
Benefits
- Hybrid work arrangement in Bogotá, Colombia.
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.