Thiago S.

Thiago S.

Jau, Brazil

Developer

19 years of exp.


Profile Summary

Senior Software Engineer with over 15 years of industry experience, specializing in Python development for the past 3. Expert in architecting and deploying scalable backend solutions in sectors like fintech and e-commerce. Demonstrates deep expertise in Python frameworks such as Flask and FastAPI, with significant proficiency in managing cloud infrastructures using AWS. Strong track record of leading API development and system integration projects, using Agile methodologies.

Primary Skills

Python | 3 yrsRESTful APIs | 2 yrsMySQL | 3 yrsFlask | 2 yrsFastAPI | 2 yrs

Work Experience

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.

Skills

PythonAWSGitHubRESTful APIsMySQLSQLAlchemyFlaskJSONProject ManagementAgileSecure Coding PracticesUnit TestingCI/CD PipelinesCSSDockerGitHTMLXMLFastAPI

Industries

Financial ServicesFintech

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.

Skills

PythonAWSGitHubData AnalysisMySQLPandasProject ManagementAgileSecure Coding PracticesUnit TestingGit

Industries

Ecommerce

Cast group

IT Manager
  • Apr, 2010 - Aug, 2019
  • Sao Paulo, 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.

Skills

Project ManagementAgile

Industries

IT Services

TOTVS

Senior Software Engineer
  • Apr, 2004 - Mar, 2010
  • Bauru, 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.

Skills

JavaScriptSQLCSSHTML

Industries

IT Services

Education

Master's degree
  • Business Administration
  • FGV - Fundação Getúlio Vargas, Brazil
  • 2008
Bachelor's degree
  • BTech - Information Technology
  • UNESP - Universidade Estadual Paulista, Brazil
  • 2005

Certifications

AWS Specialist
  • Cloud Training
  • 2020
DevOps Professional
  • IT Exams
  • 2020
Professional Scrum Master
  • Scrum.org
  • 2016
PMP - Project Management Professional
  • PMI.org
  • 2013
Lean IT
  • EXIN
  • 2019
ITIL Foundation
  • EXIN
  • 2015
Leader Coach
  • Cast group
  • 2017
Leadership Academy
  • Cast group
  • 2016

All Skills

  • Languages

    • JavaScript | 6 yrs
    • Python | 3 yrs
    • JSON | 2 yrs
  • Cloud

    • AWS | 2 yrs
  • Tools

    • GitHub | 3 yrs
    • CI/CD Pipelines | 2 yrs
    • CSS | 2 yrs
    • Docker | 2 yrs
    • Git | 3 yrs
    • HTML | 2 yrs
    • XML | 2 yrs
  • AI

    • Data Analysis | 3 yrs
  • APIs

    • RESTful APIs | 2 yrs
  • Databases

    • MySQL | 3 yrs
    • SQL | 6 yrs
    • SQLAlchemy | 2 yrs
  • Frameworks

    • Flask | 2 yrs
    • FastAPI | 2 yrs
  • Libraries

    • Pandas | 2 yrs
  • Others

    • Project Management | 10 yrs
  • Paradigms

    • Agile | 10 yrs
    • Secure Coding Practices | 3 yrs
    • Unit Testing | 3 yrs