Leonardo Pires Dos Santos Email and Phone Number
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.
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Senior Software EngineerFlippWinnipeg, Mb, Ca -
Senior Software EngineerDozr Apr 2022 - PresentKitchener, 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 -
Senior React DeveloperSkipthedishes Dec 2018 - Apr 2022Winnipeg, 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 -
Full-Stack Software DeveloperFreelancer Dec 2017 - Dec 2018Developed a crime report visualization platform using React and NodeJS to improve public safety awareness
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Junior Software DeveloperUstore Sep 2016 - Jun 2018Recife, 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) -
Front-End DeveloperLaboratory Of Immunopathology Keizo Asami Oct 2015 - Feb 2017Developed the web page used for training healthcare professionals.Implemented an IOS app used to follow up the routine of persons with breast cancer treatment.
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Research StudentMotorola In Partnership With Ufpe Apr 2015 - Dec 2016Supported the study and development of a user interface, integrated to drive test tool, used to generate scripts to a simulator.
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Teacher AssistantUniversidade Federal De Pernambuco Feb 2015 - Dec 2016Taught 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.
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Software Development InternPro-Motion Action May 2014 - Aug 2014Implemented 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.
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Teacher AssistantBrigham Young University May 2014 - Aug 2014Studied 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
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Universidade Federal De PernambucoComputer Engineering -
The University Of KansasComputer Science -
Universidade De PernambucoComputer 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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