YGOR FONSECA

Summary

Senior Frontend Engineer with 7 years of experience delivering impactful digital experiences for corporate clients.

years of professional experience

SENIOR FRONTEND ENGINEER / Sofya

12.2022 - 08.2023

Amplify hyper-related health data to create tools that reduce healthcare workers burnout, empoweringclinicians practices and personalizing patient care using simple interfaces
Implemented voice capabilities to the web application reducing the clinical staff time onpaperwork by 50%
Shipped a voice library on top of azure cognitive services with silence detection builtin thatmade easier to use voice features on all web applications of the company
Developed a HTML form generation library that eliminated the time the team previously spentbuilding forms
Integrated a CI/CD pipeline for internal app publishing on TestFlight and PlayStore improving thedeployment process.

COFOUNDER / SENIOR FRONTEND ENGINEER

04.2016 - 08.2023

Digital transformation consultancy working with customers to deliver digital products in the educationand health care sectors using agile methodologies
Earned a co-founder position in less than 2 years
My company grew tenfold within 7 years under my contribution
Led a team of 4 engineers to create a mobile application using React Native, CSS in JS
TypeScript, Hooks, and a CI/CD pipeline, facilitating access for all doctors to the medical historiesof hospital patients
Crafted a telemedicine platform using React, Redux, CSS in JS, and Twilio, supporting hundreds ofphysicians during the COVID-19 pandemic
Delivered a scheduling platform with React, Hooks, and TypeScript, streamlining the COVID-19vaccination process of 100% of the hospital staff within days
Refactored a life insurance web application improving the UI and product reliability using cleancode
Also introduced an e2e testing suite using Cypress achieving 60% code coverage
Designed the frontend architecture of a CRM system using React and Redux, which contributedto the enrollment of hundreds of thousands of university students over a span of 5+ years
Developed a mobile application for document scanning at a university using React Native,reducing paperwork in the student registration department
Guided over 15 developers in their career development, giving feedback and elevating theirfront-end development skills.

SENIOR FRONTEND ENGINEER / Strytegy

01.2018 - 03.2021

Real-time visual collaboration platform for brainstorming, business strategy, and product ideation
Managed a team of 5 developers in the development of most of the features on the platform
Implemented a canvas architecture ensuring 60 fps across major browsers
Introduced a video chat capability supporting up to 36 participants
Established an e2e testing initiative, achieving 80% code coverage in the platform.