
Gergely Sinka
Verified Expert in Engineering
Software Developer
Budapest, Hungary
Toptal member since June 3, 2020
Gergely is an innovative, full-stack developer. His early career was in manual and automated testing. Then he fell in love with coding and became a developer. He started by building and maintaining the back end of join.me, an online meeting tool, and later turned to front-end development, which is his current focus. Gergely founded ConfigCat, a successful startup that he built from the ground up with a few friends.
Portfolio
Experience
- Agile - 6 years
- CSS - 6 years
- HTML - 5 years
- JavaScript - 4 years
- ASP.NET - 4 years
- Angular - 2 years
- .NET Core - 2 years
- React Redux - 2 years
Availability
Preferred Environment
Redux, React, .NET Core, Angular
The most amazing...
...SaaS I created from the ground up is ConfigCat, a profitable, cross-platform feature flag service that's simple to learn and use.
Work Experience
Founder and Developer
ConfigCat
- Developed the .NET Core microservices-based back-end of ConfigCat from design to implementation.
- Built the complete front-end application in Angular from design to implementation.
- Created the complete CD/CD pipeline to support daily app development.
- Wrote product-related articles, blog posts, and tutorials.
- Managed social media channels and executed campaigns.
- Provided and tracked continuous technical support to users.
Software Developer
LogMeIn
- Developed parts of the back-end application for join.me, a meeting tool that serves millions of users.
- Fixed bugs and implemented endpoints and business logic to optimize client applications running on customers' computers.
- Created a Chrome browser extension to integrate join.me with Google Calendar.
- Developed a front-end application allowing users to participate in online meetings.
- Created front-end apps and websites using feature flags and A/B/n testing approaches.
QA Engineer
LogMeIn
- Manually and programmatically tested join.me, the online meeting tool, to ensure high quality.
- Tracked issues and bugs in Jira related to every release and deployment.
- Collaborated with the development team as a Scrum Master.
- Introduced Agile and Scrum methodologies to the organization.
Experience
ConfigCat
https://configcat.comSkills
Libraries/APIs
React Redux, React, jQuery
Tools
Jira, Visual Studio, Xcode
Paradigms
Agile, REST, DevOps, Automated Testing
Languages
JavaScript, HTML, CSS, C#, TypeScript, Objective-C, Swift
Frameworks
ASP.NET, Angular, .NET Core, .NET, Angular Material, Razor Pages, Redux
Platforms
Visual Studio Code (VS Code), Azure PaaS, Linode, Azure, MacOS, iOS, Android
Storage
MySQL
Other
Writing & Editing
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