Diego Queres
Backend Developer at Diego Queres
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolDiego Queres is a pragmatic backend developer with over a decade of hands-on experience building Java-based systems and automations that shrink operational workflows from days to minutes. He has delivered production-grade services for e-commerce and retail-assisted sales—leading the backend for Leroy Merlin’s Made-to-Measure Sales system with >90% test coverage—and implemented integrations and REST APIs across multiple vendor ecosystems. Early in his career at Claro and VAGAS.com he created tools and platforms that dramatically improved report processing, invoice analysis, and developer productivity, demonstrating a consistent focus on process optimization. Comfortable across Spring Boot, Struts, MongoDB, Kafka and relational databases, he blends deep backend engineering with facilitation and teaching roles, and pursues online education and photography alongside coding. Based in São Paulo, he’s driven by practical impact: turning complex business needs into reliable, well-tested services that improve both employee efficiency and customer experience.
8 years of coding experience
16 years of employment as a software developer
Undergraduate in Computer Technology, Information Technology, Undergraduate in Computer Technology, Information Technology at Universidade Estadual de CampinasHigh school, High school at Escola Estadual João CursinoTechnical, Electronic, Technical, Electronic at Senai São Paulo
Spanish, English
Github Skills (26)
git9
java9
github9
sqlite8
database8
erd8
sql8
db28
oracle8
open-source8
jdbc8
mysql8
database-access8
postgresql8
nosql7
Programming languages (6)
Github contributions (5)
diegoqueres/algafood-api
Apr 2022 - Feb 2023
Contributions:152 pushes, 1 branch in 9 months
diegoqueres/newsletter-to-kindle
Jan 2021 - Aug 2022
Contributions:1 review, 55 commits, 32 PRs in 1 year 7 months
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