Thiago S.

Oloros Financial Services

Senior Software Engineer & Tech Lead

• Aug, 2022 - Mar, 2024
• Remote

• Design and developed the entire backend of a fintech mobile app using Python, Flask, FastAPI, MySQL, Docker, and AWS, designed to support tens of thousands of simultaneous users.
• Developed and integrated APIs for banking-as-a-service, international money transfer, and affiliate programs functionalities using RESTful JSON, SOAP XML, GraphQL, and Webhooks, broadening the app’s financial services and user satisfaction.
• Managed a cross-functional team in an Agile environment, with TDD, GitHub, and CI/CD Pipelines to launch the mobile application in under 6 months, improving development speed and product quality while ensuring a secure, compliant, and scalable IT infrastructure.

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Tray Ecommerce

Senior Software Engineer & Tech Lead

• Feb, 2021 - Jul, 2022
• Remote

• Improved and maintained an ETL process using Python, Pandas, and MySQL for business intelligence applications, handling over 30,000 databases, enhancing data analytics capabilities.
• Led a cloud migration project using AWS services, increasing ETL process performance and reliability, which reduced operational costs by 20%.
• Implemented cybersecurity policies in compliance with the Central Bank of Brazil's standards, ensuring the integrity and security of payment processes.

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Cast group

IT Manager

• Apr, 2010 - Aug, 2019
• Brazil

• Managed the development and integration of enterprise systems (ERP, CRM, Analytics) utilizing both Agile and Waterfall methodologies, enhancing project delivery times by 25%.
• Oversaw strategic and tactical IT planning, aligning technology initiatives with business objectives across the group, which contributed to a 30% improvement in IT service delivery
• Led a project to restructure the telecommunications system of the group's subsidiaries, reducing monthly costs by 40% and significantly improving network reliability and performance.

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TOTVS

Senior Software Engineer

• Apr, 2004 - Mar, 2010
• Brazil

• Developed and maintained applications and databases, using ADVPL, SQL, HTML, CSS, and JavaScript, tailoring functionalities to meet specific client requirements, which reduced execution time for critical processes from almost a week to under 1 hour.
• Provided expert client and user support, ensuring seamless application usage, and contributing to a marked improvement in client satisfaction ratings.
• Played a pivotal role in mapping and analyzing client business processes across HR, Sales, Finance, Tax, Accounting, Production, Inventory, and Logistics, driving strategic improvements in their operational workflows.

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