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Luis Tadashi Oishi
São Carlos, Sao Paulo,SP
Summary
Results-driven Software Developer with expertise in Python and Node.js programming and CI/CD practices. Proven ability in troubleshooting code and enhancing operational efficiency while maintaining compliance standards.
Overview
13
13
years of professional experience
Work History
Software Developer
MagaluPay
São Carlos, Sao Paulo, Brazil (Remote)
01.2024 - 03.2026
- Developed innovative features and maintained payment gateway solutions to enhance operational efficiency and uphold compliance standards.
- Engaged with product security and operations teams to ensure successful deployment of payment features and streamline incident resolution processes.
- Contributed to post-mortem analyses to identify improvements in incident response and bolster system reliability.
Software Developer
Luizalabs
São Carlos, Sao Paulo, Brazil (Remote)
08.2020 - 12.2023
- development of POS integrations and "tap-to-phone" payment technology enabling smartphones to accept card payments.
- Build multiple POS integration such as voucher system, and Payment Gateway of the company
Software Developer
Stoq Tecnologia
São Carlos, Sao Paulo, Brazil
01.2016 - 07.2020
- Developed robust POS integrations for food delivery platforms, ensuring seamless connectivity and efficient management of payment and ordering workflows.
- Designed and maintained third-party and internal/external API connections to optimize service delivery and partner support.
- Designed and implemented integration solutions for tributary information, ensuring accurate data synchronization.
- Executed integration of voucher system into POS, improving operational efficiency and customer experience.
- Engaged with product and operations teams to guarantee effective integration behavior and achieve smooth deployment outcomes.
Software Developer
Async OpenSource
São Carlos, Sao Paulo, Brazil
07.2014 - 12.2015
- Executed feature enhancements and bug resolutions for Stoq open-source ERP, ensuring improved performance and reliability across essential modules.
- Architected and constructed an invoice-emitting service, focusing on schema design, business rule compliance, and seamless integration with accounting systems.
- Achieved improved code quality through the introduction of automated tests and CI workflows. Fostered collaboration with maintainers and users to address issues and streamline release processes.
IT Support Engineer
Async Opensource
São Carlos, Sao Paulo, Brazil
07.2013 - 12.2015
- Provided comprehensive technical support across tiers 1–3 to ensure prompt resolution of hardware, OS, and application incidents.
- Provided technical support via phone, email, and remote access tools to enhance user experience.
- Prioritized incoming requests and upheld SLAs to ensure consistent response times and customer satisfaction.
- Created detailed troubleshooting guides and knowledge-base articles to facilitate quicker resolution of issues and streamline new employee training.
Education
Computer Science
Universidade De Sao Paulo
São Carlos, Sao Paulo, Brazil12-2010
Skills
- Code troubleshooting expertise
- Experienced with Git workflows
- Collaborative code review
- Python programming expert
- Proficient in Nodejs
- Collaboration in DevOps
- CI/CD practices
- Testing process automation
Languages
English
Advanced (C1)
Portuguese
Bilingual or Proficient (C2)
Japanese
Intermediate (B1)
Timeline
Software Developer
MagaluPay
01.2024 - 03.2026
Software Developer
Luizalabs
08.2020 - 12.2023
Software Developer
Stoq Tecnologia
01.2016 - 07.2020
Software Developer
Async OpenSource
07.2014 - 12.2015
IT Support Engineer
Async Opensource
07.2013 - 12.2015
Computer Science
Universidade De Sao Paulo