Applications Developer
I build web & mobile applications — from architecture to production. Focused on performance, scalability, and real-world usage.
Worked with
Tivio Studio·NXP Semiconductors·ACRIOS Systems·PUX design
What I Do
I design and build web and mobile applications — from architecture to production. My focus is on performance, scalability and long-term maintainability.
I work across the full stack and often take ownership of the entire product — from initial idea to a production-ready system used by real users.
Platform
I offer a production-ready platform for event, community and membership apps — reducing development time from months to weeks.
Ideal for teams that want to launch fast, validate ideas, and avoid building everything from scratch.
References
Role: Mobile developer (freelance)
Stack: Expo, React Native, TypeScript
Tivio powers streaming for media brands including DVTV, JOJ TV, and Oktagon MMA. I worked on rebuilding the mobile applications using Expo, focusing on performance and maintainability. The apps serve large audiences across live streams and on-demand content.
Role: Fullstack developer (freelance)
Stack: Next.js, n8n, REST
Built an internal tool to streamline release processes for engineering teams. Replaced manual workflows with automated pipelines, improving efficiency and traceability across teams.
Role: Project architect, lead developer
Stack: Next.js 14, GraphQL, React Native
Platform for managing gas boilers, including web and mobile applications. End-to-end ownership from architecture to deployment.
Acrios GUI — Web-based IDE for IoT device management (React, PWA, WebSerial API)
ZPT VOX — Mobile communication app for hospitals (Kotlin, Android, SIP/MQTT)
Infoportal — International customer portal for Konica Minolta (Next.js)
Softapp CRM — Customer management portal (Next.js, GraphQL)
About Me
Since 2019, I’ve helped companies turn ideas into production-ready applications — from MVPs to scalable systems used by thousands of users.
I specialize in clean architecture, fast iteration, and long-term maintainability — often taking ownership as a lead developer or project architect.
Palacký University Olomouc
Faculty of Science, Applied Computer Science
Czech Republic
Jan Kvapil
Full-stack developer building production-ready applications
Available for new projects
Contact
Technologies
Frontend
Next.js, React, Expo, React Native
Backend
Node.js, PostgreSQL, GraphQL, REST
Messaging & Realtime
NATS, MQTT
Infrastructure & Automation
Docker, GitLab CI/CD, Linux, n8n
Full-stack developer focused on building production-ready web and mobile applications. I specialize in turning ideas into scalable products — from MVPs to high-traffic platforms. I often take ownership of the entire system, from architecture to deployment.
Tivio — Streaming Platform
Rebuilt mobile applications using Expo for a large-scale streaming platform used by media brands (DVTV, JOJ, Oktagon MMA).
NXP — Automation Portal
Built internal tool to automate release processes, reducing manual work and improving traceability across engineering teams.
Freelance
Fullstack Developer
Jun 2024 - Present
ACRIOS Systems s.r.o.
Frontend Developer
Sep 2022 - Jun 2024
PUXdesign.cz
Backend Developer
Mar 2022 - Jan 2023
Softapp s.r.o.
Applications Developer
Oct 2020 - Jan 2022
Navmatix s.r.o.
Junior Software Developer
Jun 2019 - May 2020
Software Development, Applied Computer Science
Faculty of Science