George Badea, Developer in Toronto, ON, Canada
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George Badea

Verified Expert  in Engineering

Full Stack Developer

Toronto, ON, Canada
Toptal Member Since
August 8, 2022

George is a front-end expert with over five years of experience building world-class applications for startups and enterprises. He specializes in working with React, Next, and MUI, although he is flexible and always looking forward to learning new technologies. George is also highly engaged in fighting the ongoing climate crisis and is excited to work on far-reaching, impactful projects.


Eikon Therapeutics Inc.
React, Python, User Interface (UI), User Experience (UX), UX Design, UI Design...
Prometheum Inc.
TypeScript, React, GraphQL, GitHub, Content Management Systems (CMS), DatoCMS
TypeScript, React, GraphQL, GitHub, Content Management Systems (CMS), DatoCMS...




Preferred Environment

MacOS, Slack

The most amazing... I've built is a solar energy marketplace that connects solar energy installers to thousands of customers in the US.

Work Experience

Full-stack React and Python Developer

2023 - 2023
Eikon Therapeutics Inc.
  • Architected and developed a React app from scratch to help manage hundreds of thousands of data points for a highly specialized use case.
  • Created a flow chart mechanism using React Flow to visualize parent-child and sibling relationships between data.
  • Provided an expedited method for scientists to interact with relevant data, significantly increasing their efficiency.
Technologies: React, Python, User Interface (UI), User Experience (UX), UX Design, UI Design, UI Testing, PostgreSQL, TypeScript, Flask

Senior Developer

2022 - 2023
Prometheum Inc.
  • Integrated third-party platforms, including Braze for marketing and customer engagement and Amplitude for analytics and tracking.
  • Created a pipeline to deploy changes on a weekly basis consistently.
  • Completed the backlog of tickets to meet quarterly goals.
Technologies: TypeScript, React, GraphQL, GitHub, Content Management Systems (CMS), DatoCMS

Senior Developer

2022 - 2022
  • Developed website from scratch using MUI and React and pulled content from DatoCMS while adhering to short-term deadlines.
  • Restructured the DatoCMS back end and provided the ability to preview content in a staging environment before going live.
  • Created custom reusable MUI components based on design specifications along with app-wide dark mode compatibility.
Technologies: TypeScript, React, GraphQL, GitHub, Content Management Systems (CMS), DatoCMS, Material UI

Software Engineer

2021 - 2022
  • Developed pixel-perfect front-end features based off of Figma designs using React and Material UI.
  • Mentored, conducted code reviews, and helped onboard junior developers.
  • Created a data migration tool to speed up the deployment of new environments and help move away from AWS Amplify.
  • Contributed heavily to a Storybook library to easily maintain design systems over multiple applications.
Technologies: React, Material UI, GraphQL, Amazon Web Services (AWS), Storybook, Amazon DynamoDB, AWS AppSync, User Interface (UI), User Experience (UX), Front-end Development, Responsive Web Apps, Redux Thunk, REST APIs, React Redux, HTML, CSS, JavaScript, TypeScript, Jest, RTL

Software Developer

2020 - 2021
  • Built a video-on-demand platform from scratch to deliver dance classes using React, Redux, and MaterialUI.
  • Created the admin application for employees to manage classes, users, and playlists.
  • Designed the authorization flow, including robust permissions for users, employees, and teachers.
Technologies: React, Redux, Material UI, GraphQL, AWS Amplify, AWS AppSync, Amazon DynamoDB, CSS, JavaScript, Recurly, Stripe, Front-end Development, Responsive Web Apps, Redux Thunk, REST APIs, Node.js, User Interface (UI), User Experience (UX), React Redux, HTML, HTML5, Jest, RTL

Software Developer

2018 - 2020
  • Worked on a per-project basis, adjusting the tech stack for each project.
  • Created and maintained an Android DOOH app to serve thousands of ads daily.
  • Built a custom CMS using React, Redux, and Material UI and added integrations with diverse large advertisement marketplaces.
Technologies: React, Redux, Material UI, Node.js, CSS, HTML, Front-end Development, Responsive Web Apps, REST APIs, User Interface (UI), User Experience (UX), React Redux, Firebase, HTML5, JavaScript, Jest, Enzyme

Prometheum Website
I built the user-facing website using React, TypeScript, and GraphQL connecting to DatoCMS, a headless CMS solution. I created pixel-perfect pages based on Figma designs provided by the client and added integrations with Amplitude and BrazeSDK for marketing and analytics.

Colossus Solar Marketplace Platform
A React and MUI-based platform connects hundreds of small business solar energy installers to promising leads in their area. I led and developed large prominent front-end features, including an appointment management system and interactive proposal.

Turnnout is a video-on-demand platform built for The Underground Dance Centre to serve asynchronous dance classes to its customers.

I was a front-end developer working with React, Redux, and MaterialUI and committed to delivering the app for a tight, important deadline. I was in charge of prominent features with a small team of developers and helped mentor a junior developer brought on later to the development process.


A full end-to-end solution for a DOOH client, including an Android application displaying ads on remote advertisement screens, a React-based CMS to manage ads shown on each screen, and a Node.js server to integrate with various advertisement serving agencies such as Hivestack. I lead and architected the React CMS and the Android application with a team of three engineers under me.
2013 - 2017

Bachelor's Degree in Computer Engineering

Ryerson University - Toronto, ON, Canada


React, REST APIs, React Redux, Stripe, AWS Amplify, Node.js


Redux Thunk, GitHub, Recurly, Slack, AWS AppSync


Material UI, Redux, Jest, Next.js, Express.js, Flask


GraphQL, CSS, HTML, HTML5, JavaScript, TypeScript, C, Java, Python


MacOS, Firebase, Amazon Web Services (AWS), Android, DatoCMS


UX Design, UI Design


Amazon DynamoDB, Google Cloud, PostgreSQL


User Interface (UI), User Experience (UX), Front-end Development, Responsive Web Apps, Storybook, RTL, Machine Learning, Competitive Programming, Enzyme, Content Management Systems (CMS), UI Testing

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