Software Engineer Backend - B2B IT
Core
Design and scale secure, innovative backend systems for B2B e-commerce and financial services in Latin America.
Role type
Senior Backend Software Engineer (B2B)
Builds
Scalable B2B APIs, integrations, and distributed services
Domain
E-commerce and Financial Services
Deliverable
production ML models | product features
Required skills
Go, Java, distributed systems, REST API design, asynchronous messaging, microservices, automated testing, observability, security
Preferred skills
RFC authoring, threat modeling, technical mentorship
Technologies
Go, Java, REST, microservices
Responsibilities
Evolve backend architecture for scalability and resilience; Design and evolve critical B2B APIs and integrations; Implement engineering metrics (latency, throughput, availability); Develop and maintain automated tests (unit, integration, contract); Participate in RFCs for technical analysis and data modeling; Act as technical reference for security and team growth
