Leonardo Pires Dos Santos

Leonardo Pires Dos Santos Email and Phone Number

Senior Software Engineer @ Flipp
Winnipeg, MB, CA
Leonardo Pires Dos Santos's Location
Winnipeg, Manitoba, Canada, Canada
About Leonardo Pires Dos Santos

Senior Software Developer with over 6 years of experience designing, developing, and maintaining complex software systems. Proven track record in reducing technical debt, improving performance, and mentoring teams. Expertise in ReactJS, TypeScript, NodeJS, GraphQL, and micro frontend architecture. Adept at leading cross-functional teams, optimizing application performance, and implementing robust software solutions.

Leonardo Pires Dos Santos's Current Company Details
Flipp

Flipp

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Senior Software Engineer
Winnipeg, MB, CA
Website:
flipp.com
Employees:
503
Leonardo Pires Dos Santos Work Experience Details
  • Flipp
    Senior Software Engineer
    Flipp
    Winnipeg, Mb, Ca
  • Dozr
    Senior Software Engineer
    Dozr Apr 2022 - Present
    Kitchener, Ontario, Ca
    * Reduced app loading time by 30% in 3G networks by lazy loading components, removing unnecessary dependencies, and optimizing Webpack configuration to minimize and break the bundle into smaller chunks, decreasing bundle size by 29%. Documented steps to further reduce bundle size by 41%* Decreased code syntax issues by 90% and eliminated 100% vulnerabilities due to dependencies* Improved code maintainability and reusability by encapsulated payment logic and leading the implementation of a UI library* Implemented a feature flags system for incremental feature release* Proactively documented technical debts and developed plans to address them without prior request* Mentored team members in code reviews, pair programming, and company-wide presentations on GraphQL, web performance, automation tests, micro frontends, and more* Managed software implementation with design and product teams using agile methodology to define scope, implementation, and breakdown of features into small deliverables* Improved customer experience and application performance by tracking, evaluating, proposing, and developing improvements using LogRocket and Mixpanel
  • Skipthedishes
    Senior React Developer
    Skipthedishes Dec 2018 - Apr 2022
    Winnipeg, Manitoba, Ca
    * Developed two global multi-environment micro frontends for managing restaurant menus, implementing key features such as responsive UI, multi-language support, image upload and editing, price adjustments, and menu validation* Developed and maintained a component library used by multiple teams* Led the implementation of automated tests using Cypress, earning the “Quality Champion” internal recognition* Improved customer satisfaction through feedback evaluations using Hotjar and Google Analytics* Mentored developers company-wide on best practices, technologies, and business logic through pair programming, code reviews, and tech talks* Educated design and product teams on business logic, tech limitations, and efficient development approaches
  • Freelancer
    Full-Stack Software Developer
    Freelancer Dec 2017 - Dec 2018
    Developed a crime report visualization platform using React and NodeJS to improve public safety awareness
  • Ustore
    Junior Software Developer
    Ustore Sep 2016 - Jun 2018
    Recife, Pernambuco, Br
    * Developed front-end of a Kubernetes management web platform using Angular* Enhanced iOS mobile chat and storage applications by adding cryptography, client-server communication, concurrent programming, and data traffic (e.g., audio and image)
  • Laboratory Of Immunopathology Keizo Asami
    Front-End Developer
    Laboratory Of Immunopathology Keizo Asami Oct 2015 - Feb 2017
    Developed the web page used for training healthcare professionals.Implemented an IOS app used to follow up the routine of persons with breast cancer treatment.
  • Motorola In Partnership With Ufpe
    Research Student
    Motorola In Partnership With Ufpe Apr 2015 - Dec 2016
    Supported the study and development of a user interface, integrated to drive test tool, used to generate scripts to a simulator.
  • Universidade Federal De Pernambuco
    Teacher Assistant
    Universidade Federal De Pernambuco Feb 2015 - Dec 2016
    Taught 30+ students additional concepts in software and hardware infrastructure. Deepened concepts taught in the classroom and clarified doubts. Created and graded projects and homework. Observed students during exams.
  • Pro-Motion Action
    Software Development Intern
    Pro-Motion Action May 2014 - Aug 2014
    Implemented the flux and error control of data between two devices connected via Bluetooth.Enhanced user interface (e.g. Camera adjusts, enable/disable images, real-time iteration via touchscreen and audio) using Unity software.
  • Brigham Young University
    Teacher Assistant
    Brigham Young University May 2014 - Aug 2014
    Studied a process to transform low-cost optical fiber into one of higher refractive capacity witch would enable the measurement of magnetic fields in weapons.

Leonardo Pires Dos Santos Education Details

  • Universidade Federal De Pernambuco
    Universidade Federal De Pernambuco
    Computer Engineering
  • The University Of Kansas
    The University Of Kansas
    Computer Science
  • Universidade De Pernambuco
    Universidade De Pernambuco
    Computer Engineering

Frequently Asked Questions about Leonardo Pires Dos Santos

What company does Leonardo Pires Dos Santos work for?

Leonardo Pires Dos Santos works for Flipp

What is Leonardo Pires Dos Santos's role at the current company?

Leonardo Pires Dos Santos's current role is Senior Software Engineer.

What schools did Leonardo Pires Dos Santos attend?

Leonardo Pires Dos Santos attended Universidade Federal De Pernambuco, The University Of Kansas, Universidade De Pernambuco.

Who are Leonardo Pires Dos Santos's colleagues?

Leonardo Pires Dos Santos's colleagues are Megan Hughes, Ariana Jung, Albert Yan, Amy Morin, Shabahat-Noor S, Tenzin Paljor, Daniel Orner.

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