Summary
Juan Sierra is a software engineer with 11 years of experience building full-stack applications and APIs, currently contributing at Capital One from Miami. He has designed SaaS ecosystems, migrated legacy systems to modern architectures, and led engineering efforts that handled thousands of client files and automated accounting workflows. His hands-on tech stack includes Node.js, React, PostgreSQL/Knex, MongoDB, RabbitMQ, and real-time Socket.io integrations that power dynamic client-server interactions. At FlexShopper he developed event-driven billing and lending APIs, and earlier roles show strong mentorship and team leadership in Agile environments. With a Ph.D. and M.A. in Comparative Literature, he pairs rigorous analytical thinking and communication skills with technical problem solving—a background that surfaces in his love of puzzles and constructing clear, maintainable systems.
10 years of coding experience
8 years of employment as a software developer
University of Georgia
Ph.D. Comparative Literature, Ph.D. Comparative Literature at Cornell University