Wallan Pereira
Desenvolvedor Backend Java at CI&T
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolWallan Pereira is a backend Java developer with 8 years of experience building high-throughput, production-grade microservices for finance and insurance products across companies like PicPay, Itaú and CI&T. He specializes in Java (11–17), Spring Boot, Kafka and cloud-native deployments on Kubernetes, and has led migrations from Java 8 to 17 while applying Clean Architecture and SOLID to improve maintainability. His work spans the full delivery life cycle including CI/CD (GitHub Actions, ArgoCD, Harness), observability (Dynatrace, New Relic, Splunk) and cost-conscious cloud optimizations on AWS. Previously rooted in front-end work with Angular and performance-focused landing pages, he brings a pragmatic full-stack sensibility to API and BFF design. He holds a postgraduate specialization in Software Architecture and is training in AI agent management, reflecting a curiosity for architecture and emerging automation patterns. Based in Santa Catarina, Brazil, he’s also an avid photographer—bringing a visual attention to detail that shows up in clean, testable code.
8 years of coding experience
4 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueFormação Gestor Agentes IA, Formação Gestor Agentes IA at NoCode StartUpBacharelado em Ciência da Computação, Ciência da Computação, Bacharelado em Ciência da Computação, Ciência da Computação at Universidade Paulista
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
rio9
que9
arduino-ide8
arduino8
ide8
frontend6
pair-programming6
css5
javascript4
socket-io4
visual-studio-code4
nodejs4
gulp4
visual-studio4
react4
Programming languages (8)
Github contributions (5)
wallanpsantos/appx-landing-page
Jul 2018 - May 2021
Primeira Landing Page: HTML, CSS, JavaScript, Gulp, Nodejs, npm.
Contributions:12 PRs, 92 pushes, 14 branches in 2 years 10 months
sassgulpcssjavascripthtml-page
wallanpsantos/wallanpsantos
Jul 2021 - Nov 2024
Contributions:96 pushes, 3 branches in 3 years 4 months
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