Alan Duque
@alanduque
Backend Java/Golang developer building reliable microservices and high-performance transaction systems.
BrazilWhat I'm looking for
I’m a Backend Java/Golang developer focused on building dependable microservices that integrate with complex banking and financial systems. At Zero Hash, I developed and maintained services for American banking integrations, including transaction processing and comprehensive ledger management.
In fast-paced e-commerce environments, I’ve specialized in high-performance, metric-driven backend services. At Mercado Livre Brasil, I leveraged Golang for high-throughput data processing and helped shape architectural plans for new applications to keep systems robust, maintainable, and future-proof.
Across CI&T and earlier roles, I delivered scalable and secure backend solutions for financial services, with experience spanning mission-critical systems. I’ve also worked on real-time communication backends/frontends and mobile development with React Native and Android SDK, grounding my backend work in end-to-end product needs.
Experience
Work history, roles, and key accomplishments
• Developed and maintained microservices to facilitate integration with American banking systems.
• Designed systems to manage transaction processes and maintain comprehensive ledgers.
• Utilized NATS Jetstream messaging architecture to enhance system communication and reliability.
Backend Developer specializing in Java and Golang, building high-performance, metric-driven services to analyze ad performance for advertisers on Mercado Livre. Developed scalable and efficient backend solutions, leveraging Golang for high-throughput data processing. Additionally, contributed to the architectural planning of new applications, ensuring robust, maintainable, and future-proof systems
Java Backend Developer specializing in financial services, building scalable and secure solutions for one of Brazil's largest benefits card companies. Additionally, contributed to backend development for one of the largest railway companies in the U.S., ensuring reliability and efficiency in mission-critical systems. Played a key role in architectural planning, optimizing performance and maintaina
Java Backend Developer specializing in financial services, building scalable and secure solutions for one of Brazil's largest benefits card companies. Played a key role in architectural planning, optimizing performance and maintainability across projects.
Java and JavaScript Developer at Daitan Group, working on a project focused on web calls and communications. Developed and maintained scalable backend and frontend solutions to manage and enhance real-time communication services.
Frontend Developer specializing in React and React Native, contributing to the development of financial solutions at BizCapital, a leading Brazilian fintech. Focused on building intuitive and scalable web and mobile applications to enhance digital lending and financial services for small businesses. Collaborated closely with cross-functional teams to deliver seamless user experiences, optimize per
- Software development with Java and AngularJS
- Mobile apps development with Android SDK and React-Native
Education
Degrees, certifications, and relevant coursework
Universidade Federal de Juiz de Fora
Bachelor's degree, Computer Information Systems
2008 - 2015
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
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