Guilherme Pereira
Senior Software Engineer at Clicksign
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolGuilherme Pereira is a Senior Software Engineer based in São Paulo with over a decade of hands-on experience designing and operating cloud-native, microservices architectures across Ruby on Rails, Python, Node.js and AWS. He has progressed from legacy monolith rewrites to leading multidisciplinary teams and owning production-critical systems like SSO and risk-management platforms, combining architecture, DevOps and people leadership. Guilherme has repeatedly led migrations and AWS deployments (ECS, Lambda, RDS, S3, SNS/SQS) and introduced observability and CI practices at scale. He excels at translating legacy constraints into maintainable service topologies and has been responsible for hiring, OKRs and budget ownership in previous tech lead roles. Known for pragmatic problem-solving, he blends strong T-shaped development skills with operational ownership and a consistent focus on reliability and security. Outside the obvious tech stack, he brings an educator’s mindset from frequent code review leadership and mentoring across teams.
13 years of coding experience
14 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueB.Sc System Analysis and Development, B.Sc System Analysis and Development at Faculdade Flamingo
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (36)
multipart10
resumable-upload10
duktape10
file-api10
simultaneous10
tus10
resumable10
javascript-client9
api9
fault-tolerant9
fault9
scalable8
javascript8
nodejs8
api-client7
Programming languages (2)
Github contributions (5)
guilhermewop/apigility-client
Dec 2014 - Jan 2016
Contributions:2 releases, 116 commits, 22 PRs in 1 year 1 month
api-clientapiapigilityrestfulrest
guilhermewop/ruby-net-ldap
May 2018 - Jan 2019
Pure Ruby LDAP library
Contributions:1 push, 3 branches in 8 months
pure-rubyrubyldap-libraryldap
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