LeonardoĀ Steil
Senior PHP Backend Developer at Objective
Rio Grande do Sul, Brazil
Summary
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Top SchoolLeonardo Steil is a Senior PHP Backend Developer with over 11 years in software development and a Bachelor's in Information Systems from UFSM, currently working on core payment and refund systems at one of Brazil's largest payment platforms, EBANX. He specializes in PHP and Laravel, with deep expertise in payment flows, 3D Secure, acquirer/gateway integrations, refunds, chargebacks, and transaction reconciliation. Known for applying Clean Code, Clean Architecture, SOLID principles, automated testing, and collaborative practices like pair programming and code reviews, he delivered a notable integration structure for partner companies. Comfortable across the full backend stack and SQL tuning, he also explores Node.js, React, Python/Django and is studying Kotlin, reflecting a strong appetite to broaden his technical toolkit. Colleagues value him for solving complex payment challenges that improve customer experience while keeping systems robust and auditable.
11 years of coding experience
3 years of employment as a software developer
Bacharelado em Sistemas de InformaĆ§Ć£o, Sistemas de InformaĆ§Ć£o, Bacharelado em Sistemas de InformaĆ§Ć£o, Sistemas de InformaĆ§Ć£o at Universidade Federal de Santa Maria
Github Skills (12)
payment-integration10
payment-gateway10
spree10
abstraction10
payment-processing10
payment10
shopify10
adyen10
square10
ecommerce9
ruby9
merchant9
Programming languages (6)
Github contributions (5)
leosteil/php-didactic-project
May 2022 - Jan 2024
Contributions:24 PRs, 29 pushes, 12 branches in 1 year 7 months
leosteil/Gerador-de-Pacotes-SIP
May 2017 - Jul 2017
Contributions:13 commits, 12 pushes, 1 branch in 1 month
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