Summary
Oswaldo Díaz is a pragmatic backend engineer with 11 years of experience designing and scaling cloud-native distributed systems, currently shaping customer service platforms at Amazon across 20+ marketplaces. He combines deep Java and AWS expertise with a focus on operational excellence, automation, and measurable performance gains—recent work reduced errors by ~30% and supported million+ transaction workloads. Previously he led an eight-engineer team to accelerate rapid prototyping and delivery, driving a shift from Scrum to Kanban to improve throughput and reduce lead times. His hands-on background spans legacy modernization, region migrations, GraphQL middleware, and building monitoring at scale, with a knack for simplifying complex systems. Passionate about mentorship and resilient architecture, he prefers remote-first roles where ownership and ambiguity are embraced. Based in Toronto, he pairs strong execution with continuous improvement and four AWS certifications that underscore his cloud credibility.
11 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Universidad Central de Venezuela
Spanish, English