JavaScript / TypeScript Developer
Dawid Wasylkiewicz
Software Developer
As a Software Developer with over 7 years of commercial experience, I specialize in building modern web products from UI to backend.
I mainly work in the JavaScript/TypeScript ecosystem (React, Next.js, Nest.js). In my work, I combine performance and clean code with delivering real business value.
I have successfully delivered complex projects such as 3D configurators (Three.js), real-time communication systems (WebRTC), as well as large SaaS platforms and reservation systems.
I am currently looking for new challenges and a strong team where I can keep growing and deliver stable solutions.
Work Experience
February 2019 – Present
Software Developer
Effectivity Software House
- Building advanced web applications with React.
- Designing and implementing survey generators and 2D/3D product configurators using Three.js.
- Implementing real-time communication systems, including interactive whiteboards and video call modules based on WebRTC.
ReactNest.jsTypeScriptPostgreSQLThree.jsWebRTC
November 2021 – November 2025
Software Developer
BedBooking
- Developing frontend applications and SaaS software for the hospitality industry, including an advanced reservation system.
- Improving application speed and stability through profiling and rendering optimization for data-heavy views.
- Initiating the rewrite of the main application to React Native to create a cross-platform solution.
ReactNext.jsTypeScriptSaaSAPI IntegrationsData OptimizationReact Native
Technologies I Work With
- JavaScript
- TypeScript
- CSS/SCSS
- React
- Next.js
- React Native
- Styled Components
- Redux
- Redux Toolkit
- Redux-Saga
- Material UI
- Nest.js
- PostgreSQL
- Three.js (3D/2D)
- WebRTC
- WebSocket
Skills & Tools
- Git
- GitHub
- Bitbucket
- Jira
- Postman
- Docker
- Figma
- NPM
- Vite
- API Integrations
- Data Optimization
- Interactive Whiteboards
- SaaS application architecture
- Performance and scalability
- Rapid technology adaptation
- AI
- Codex
Education
IT Technician
Zespół Szkół Budowlano-Elektrycznych nr 4 w Świdnicy
September 2014 – May 2018
Languages
English (B2)
Fluent in technical documentation reading and written communication, conversational in spoken communication.
Polish (Native)
Native language.
Contact
The fastest way to reach me is by phone, email, or LinkedIn.