David Quaresma
Software Engineer at VTEX
Paraíba, Brazil
Summary
👤
Senior🎓
Top SchoolDavid Quaresma is a software engineer with 9 years of experience specializing in reliability, performance, and cost-optimized distributed systems. Based in Paraíba, Brazil, he applies SRE/DBRE principles at VTEX to design and operate resilient, observable, data-intensive services across cloud and on-prem environments. He has a strong track record of leading search platform improvements that cut costs up to 70%, doubled usage while halving resource needs, and enabled flexible VM/container deployments with IaC. His background blends applied research and engineering—co-authoring a paper on indexing concurrency, building workload replay tools, and contributing backend code to educational open-source projects. Colleagues know him as a pragmatic “jack of all trades” who turns experimental findings into production-grade automation and measurable savings.
9 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Computer Science, 9.07, Bachelor's degree, Computer Science, 9.07 at Universidade Federal de Campina GrandeTechnical, Computer Maintenance and Support, Technical, Computer Maintenance and Support at Instituto Federal de Educação, Ciência e Tecnologia da Paraíba
Portuguese, English, Spanish
Github Skills (5)
javas10
object-oriented-programming10
java10
data-structure9
data-structures9
Programming languages (11)
Github contributions (5)
OpenDevUFCG/Tamburetei
Mar 2019 - Apr 2019
Fazendo de tamburete as cadeiras de CC@UFCG.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 commits, 3 PRs, 12 comments in 18 days
Contributions summary:David's contributions focused on updating and modifying Java files within the `prog2/implementacoes` directory. These changes involved code adjustments to classes related to `comparable`, `composicao`, and `comparator`, suggesting work on object-oriented programming concepts and potentially data structures within the context of a programming course or learning environment. The frequent updates to the `Filme.java` and `Main.java` files indicate the user's involvement in building and refining the core functionalities of the system. Furthermore, these commits include co-authorship which strongly suggests collaboration and shared responsibility for code development and testing.
computacaocssjavascriptufcgcc
gcinterceptor/gci-java
Mar 2018 - Mar 2019
Exposes an API for collecting the heap usage and forcing the GC. Meant to be a runtime-specific counterpart of gci-proxy
Contributions:168 commits, 29 PRs, 54 pushes in 1 year
apiproxyruntimecollectingheap
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