Teddy is available for hire
Hire TeddyTeddy Morin
Verified Expert in Engineering
Software Developer
Prague, Czech Republic
Toptal member since October 11, 2022
Bio
Teddy is a React lover. He's officially been a software engineer since 2019. He's been working as a freelancer since early 2018 but started his journey with the JavaScript and front-end world back in 2016 with Angular 2. Teddy specializes in React, React Native, and Node.js. He has been using these technologies since 2017.
Portfolio
Valtech
React.js, React Native, Next.js, TypeScript, Android Studio, Front-end...
Kili Technology
React.js, TypeScript, GraphQL, JavaScript, Jest, Redux, REST APIs, Git, Cypress...
Vertrical
React.js, Next.js, Gatsby, NestJS, Koa, TypeScript, JavaScript, Jest, Redux...
Experience
Availability
Part-time
Preferred Environment
React, Next.js, Node.js, Express.js, NestJS, TypeScript, CircleCI, Docker, Tailwind CSS, PostgreSQL, Amazon RDS, Microservices, Apache Kafka, Integration Testing
The most amazing...
...web application I've worked on was an online marketplace dedicated to providing life-saving medication at a low-cost, reaching up to 30,000 unique users a day.
Work Experience
Front-end Expert
2022 - PRESENT
Valtech
- Identified and gathered bad practices, processes, and wrong technical choices on a set of React and React Native applications. It led to multiple changes in architecture, CI, and test policy to increase productivity and avoid side effects.
- Participated in adding new features to an eCommerce platform before its first launch.
- Upgraded a sensitive React Native project whose dependencies were left unmaintained for multiple years.
Technologies: React.js, React Native, Next.js, TypeScript, Android Studio, Front-end, GraphQL Code Generator, DevOps, HTML, CSS, Responsive Web Apps, eCommerce, Marketplaces, Testing, API Integration, HTML5, Software Architecture, Model View Controller (MVC), Continuous Delivery (CD), SCSS, Best Practices, Mobile Development, Architecture, Mobile, Front-end Development, GitHub, Android, CI/CD Pipelines, Front-end Architecture, Unit Testing
React Expert
2022 - 2022
Kili Technology
- Taught the team how to set up unit tests effectively and efficiently, write them, and how to define a testing strategy.
- Challenged the team on which technical solutions were used and displayed good practices.
- Participated in the development of priority React features.
Technologies: React.js, TypeScript, GraphQL, JavaScript, Jest, Redux, REST APIs, Git, Cypress, NPM, React Testing Library, Jira, Clean Code, Front-end, GraphQL Code Generator, DevOps, HTML, CSS, Responsive Web Apps, Testing, SaaS, API Integration, HTML5, Software as a Service (SaaS), Model View Controller (MVC), Docker Compose, SCSS, Best Practices, Front-end Development, GitHub, Unit Testing, Integration Testing, Full-stack Development, Back-end Development
Team Leader
2021 - 2022
Vertrical
- Taught the most juniors members about better React pattern and unit testing.
- Participated in developing Gatsby, Next.js, React, and Koa applications for a healthcare project reaching up to 30,000 unique daily users.
- Transformed business requirements to technical tasks with time evaluation and priorization.
Technologies: React.js, Next.js, Gatsby, NestJS, Koa, TypeScript, JavaScript, Jest, Redux, REST APIs, Git, Cypress, NPM, React Testing Library, Jira, Clean Code, Front-end, Full-stack, SQL, HTML, CSS, Figma, Responsive Web Apps, eCommerce, Back-end, DB, APIs, Marketplaces, Payment APIs, Stripe, Minimum Viable Product (MVP), Testing, MERN Stack, API Integration, HTML5, Software Architecture, Model View Controller (MVC), Docker Compose, SCSS, Best Practices, Architecture, Front-end Development, GitHub, REST, Front-end Architecture, Contentful, Microservices, Unit Testing, Integration Testing, Full-stack Development, Back-end Development
React and React Native Expert
2020 - 2021
ITLink
- Submitted a plan to reduce side-effects and implemented it.
- Developed a mobile application dedicated to teaching self-development.
- Improved React project architecture and shared experiences.
Technologies: React.js, React Native, TypeScript, JavaScript, Jest, Redux, Git, NPM, Detox, React Testing Library, Jira, Clean Code, Android Studio, Front-end, HTML, CSS, Responsive Web Apps, Testing, MERN Stack, API Integration, HTML5, Model View Controller (MVC), SCSS, Best Practices, Front-end Development, GitHub, Android, Front-end Architecture, Unit Testing, Full-stack Development
Team Leader
2020 - 2020
Futur Composé
- Taught junior developers the basics of React and good development practices.
- Set up a project to share business logic between a web and mobile application using React and React Native.
- Set up an automated quality pipeline using CircleCI.
Technologies: React.js, React Native, TypeScript, CircleCI, NPM, Jest, Docker, JavaScript, Redux, REST APIs, Git, Cypress, React Testing Library, Clean Code, Android Studio, Front-end, DevOps, HTML, CSS, Cloud, Figma, Responsive Web Apps, Minimum Viable Product (MVP), Webpack, Testing, MERN Stack, SaaS, API Integration, HTML5, Streaming, Video Players, Video Streaming, Software Architecture, Software as a Service (SaaS), Model View Controller (MVC), Continuous Delivery (CD), SCSS, Best Practices, Mobile Development, Architecture, Mobile, Front-end Development, GitHub, CI/CD Pipelines, Front-end Architecture, Unit Testing, Full-stack Development, Back-end Development
React Native and Node.js Developer
2020 - 2020
Log'in Line
- Developed a Node.js and MongoDB back-end application.
- Developed features related to a video game based on React Native.
- Taught multiple React patterns to improve readability.
Technologies: React.js, React Native, Node.js, Express.js, MongoDB, JavaScript, Redux, REST APIs, Git, NPM, Detox, Android Studio, Front-end, Full-stack, SQL, HTML, CSS, Figma, Back-end, DB, APIs, MySQL, Testing, MERN Stack, API Integration, HTML5, Model View Controller (MVC), Best Practices, Mobile Development, Mobile, Front-end Development, GitHub, REST, Android, NoSQL, Unit Testing, Full-stack Development, Back-end Development
React Native and Node.js Developer
2019 - 2019
Dotmind
- Created a Node.js and FeathersJS back-end application.
- Created a React Native application dedicated to finding spots for outdoor gym activities.
- Integrated a mobile UI in collaboration with the designer.
Technologies: React Native, FeathersJS, TypeScript, JavaScript, Redux, REST APIs, Git, NPM, Android Studio, Front-end, Full-stack, Amazon Web Services (AWS), SQL, HTML, CSS, Back-end, DB, APIs, Webpack, Testing, MERN Stack, API Integration, HTML5, Software Architecture, Model View Controller (MVC), Continuous Delivery (CD), Best Practices, Mobile Development, Architecture, Mobile, Front-end Development, GitHub, REST, Android, Front-end Architecture, NoSQL, Unit Testing, Full-stack Development, Back-end Development
React Developer
2019 - 2019
Reveal
- Bootstrapped a project from scratch dedicated to a back office for a publication platform.
- Collaborated with the back-end team to define APIs.
- Integrated a complete UI in collaboration with the designer.
Technologies: React.js, JavaScript, Redux, Git, NPM, Front-end, HTML, CSS, Responsive Web Apps, Material UI, Webpack, Testing, SaaS, API Integration, HTML5, Software as a Service (SaaS), Model View Controller (MVC), SCSS, Front-end Development, GitHub, Unit Testing
React Developer
2018 - 2018
Dotmind
- Developed a React application requested by the French Rugby Federation.
- Collaborated with the back-end team to implement new functionalities.
- Integrated a changing UI in collaboration with the design team.
Technologies: React.js, JavaScript, Redux, Git, NPM, Front-end, HTML, CSS, Responsive Web Apps, Material UI, Back-end, DB, Webpack, Testing, MERN Stack, API Integration, HTML5, Model View Controller (MVC), SCSS, Front-end Development, GitHub
Full-stack Developer
2017 - 2018
Sogeti
- Improved the UI/UX of a previously created React Native app dedicated to use geolocation underground.
- Improved the algorithm to find location to prevent false positives.
- Added and improved text to speech (TTS) and speech to text capabilities on a Poppy robot.
Technologies: React Native, JavaScript, Git, NPM, Front-end, Full-stack, SQL, HTML, CSS, Responsive Web Apps, Back-end, DB, APIs, HTML5, Model View Controller (MVC), Mobile Development, Mobile, Front-end Development, GitHub, REST
Experience
Heathcare Online Marketplace
https://costplusdrugs.com/I was asked to join a project as a team lead to support the project in several areas:
• Development of front-end React applications with Gatsby and Next.js
• Development of back-end application with NestJS and Koa.
• Technical support for the team and resolution of development issues
• Serve as a communication channel between the technical team and the rest of the company
• Development of front-end React applications with Gatsby and Next.js
• Development of back-end application with NestJS and Koa.
• Technical support for the team and resolution of development issues
• Serve as a communication channel between the technical team and the rest of the company
Official Platform for the French Rugby Federation
https://www.ffr.fr/Intervened on a React project for the French Rugby Federation :
• Under the direction of the CTO, developed in collaboration with a team responsible for the back end.
• I led the integration of the design made by an external team
• Under the direction of the CTO, developed in collaboration with a team responsible for the back end.
• I led the integration of the design made by an external team
Healthcare Service Platform
https://www.optum.com/I joined a new project as a team lead to:
• Develop front-end React applications with Gatsby.
• Develop a back-end application with NestJS.
• Mentor the most junior members.
• Participate in the definition and assignment of work.
• Develop front-end React applications with Gatsby.
• Develop a back-end application with NestJS.
• Mentor the most junior members.
• Participate in the definition and assignment of work.
Education
2014 - 2019
Master's Degree in Computer Science
CESI Bordeaux - Bordeaux, France
Certifications
JANUARY 2022 - PRESENT
Secure Development Training
HackEDU
Skills
Libraries/APIs
React.js, Node.js, React Testing Library, REST APIs, Stripe
Tools
NPM, GitHub, Git, Jira, Prisma, Docker Compose, CircleCI, Android Studio, Figma, Webpack
Languages
TypeScript, JavaScript, HTML, CSS, GraphQL, SQL, HTML5, SCSS
Frameworks
Next.js, React Native, Jest, Redux, Express.js, NestJS, Tailwind CSS, Cypress, Detox, Koa, FeathersJS, Material UI
Paradigms
Clean Code, Testing, Best Practices, Unit Testing, Model View Controller (MVC), Continuous Delivery (CD), Mobile Development, REST, Microservices, DevOps
Platforms
Docker, Amazon Web Services (AWS), Mobile, Android, Vercel, Contentful, Apache Kafka
Storage
DB, MySQL, MongoDB, PostgreSQL, NoSQL
Other
Front-end, MERN Stack, Front-end Development, Full-stack, GraphQL Code Generator, Responsive Web Apps, Back-end, APIs, SaaS, API Integration, Software Architecture, Software as a Service (SaaS), TypeORM, Boilerplate Code, Architecture, CI/CD Pipelines, Front-end Architecture, WebSockets, Amazon RDS, Full-stack Development, Back-end Development, Gatsby, Secure Coding, Cloud, eCommerce, Marketplaces, Payment APIs, Minimum Viable Product (MVP), Streaming, Video Players, Video Streaming, Integration Testing
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