- Mobile app development: Android, iOS, PhoneGap/Cordova.
- Cloud hosting: Creating scalable apps that run on Heroku, AWS and Firebase.
- SEO: On-page audits and optimisations including page speed improvements and HTTPS migrations.
- Code quality: Reducing defects in existing projects by introducing test suites, staging + development environments, Continuous Integration, planning boards and code reviews.
Successful examples projects entirely developed and sold by myself:
- Checkbot for Chrome (https://www.checkbot.io/), tests if your website follows 50+ SEO, speed and security web best practices. Rated 4.9/5 with 15K+ active users along with paying customers. The frontend and backend work uses TypeScript, Vue, Firebase, Docker, Node, Webpack, Netlify and Paddle. I'm also responsible for the website, UI design and comprehensive best practices guide that goes with the Chrome extension (https://www.checkbot.io/guide/).
- Fresco for Android (https://play.google.com/store/apps/details?id=org.seanw.fres...), easy to use yet feature packed digital painting app for phones and tablets. The app features layers, customisable brushes, image filters and more. Rated 4/5, over 500K free downloads, over 10K copies sold. Implemented with Java and C.
See https://www.seanw.org for previous projects, client endorsements and more details.
Location: Edinburgh, UK or remote
Résumé/CV: https://www.seanw.org
Email: sw@seanw.org
Full stack software developer with 15+ years experience including a PhD in software verification offering:
- Web app development: JavaScript (Node, Express, TypeScript, AngularJS, Vue, jQuery), Python (Flask, Django), Java, PHP (WordPress).
- Mobile app development: Android, iOS, PhoneGap/Cordova.
- Cloud hosting: Creating scalable apps that run on Heroku, AWS and Firebase.
- SEO: On-page audits and optimisations including page speed improvements and HTTPS migrations.
- Code quality: Reducing defects in existing projects by introducing test suites, staging + development environments, Continuous Integration, planning boards and code reviews.
Successful examples projects entirely developed and sold by myself:
- Checkbot for Chrome (https://www.checkbot.io/), tests if your website follows 50+ SEO, speed and security web best practices. Rated 4.9/5 with 15K+ active users along with paying customers. The frontend and backend work uses TypeScript, Vue, Firebase, Docker, Node, Webpack, Netlify and Paddle. I'm also responsible for the website, UI design and comprehensive best practices guide that goes with the Chrome extension (https://www.checkbot.io/guide/).
- Fresco for Android (https://play.google.com/store/apps/details?id=org.seanw.fres...), easy to use yet feature packed digital painting app for phones and tablets. The app features layers, customisable brushes, image filters and more. Rated 4/5, over 500K free downloads, over 10K copies sold. Implemented with Java and C.
See https://www.seanw.org for previous projects, client endorsements and more details.