Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Ivan Kalava. I’m a dedicated, responsible, and reliable professional who loves turning complex problems into clean, scalable solutions. I thrive in collaborative environments and enjoy building fast, accessible web applications while focusing on usability and performance. I’m passionate about web technologies, performance, and user experience, and I enjoy mentoring teams to grow through code reviews, knowledge sharing, and best-practices guidance. I’ve led frontend initiatives at Gauss Development, ensuring scalable and maintainable systems, and I’m continually learning to stay ahead of industry trends.…Hi, I’m Ivan Kalava. I’m a dedicated, responsible, and reliable professional who loves turning complex problems into clean, scalable solutions. I thrive in collaborative environments and enjoy building fast, accessible web applications while focusing on usability and performance. I’m passionate about web technologies, performance, and user experience, and I enjoy mentoring teams to grow through code reviews, knowledge sharing, and best-practices guidance. I’ve led frontend initiatives at Gauss Development, ensuring scalable and maintainable systems, and I’m continually learning to stay ahead of industry trends.

Ivan Kalava

Front-End Developer, Web Developer, Programmer, +5





Hi, I’m Ivan Kalava. I’m a dedicated, responsible, and reliable professional who loves turning complex problems into clean, scalable solutions. I thrive in collaborative environments and enjoy building fast, accessible web applications while focusing on usability and performance. I’m passionate about web technologies, performance, and user experience, and I enjoy mentoring teams to grow through code reviews, knowledge sharing, and best-practices guidance. I’ve led frontend initiatives at Gauss Development, ensuring scalable and maintainable systems, and I’m continually learning to stay ahead of industry trends.…Hi, I’m Ivan Kalava. I’m a dedicated, responsible, and reliable professional who loves turning complex problems into clean, scalable solutions. I thrive in collaborative environments and enjoy building fast, accessible web applications while focusing on usability and performance. I’m passionate about web technologies, performance, and user experience, and I enjoy mentoring teams to grow through code reviews, knowledge sharing, and best-practices guidance. I’ve led frontend initiatives at Gauss Development, ensuring scalable and maintainable systems, and I’m continually learning to stay ahead of industry trends.

Available to hire

Hi, I’m Ivan Kalava. I’m a dedicated, responsible, and reliable professional who loves turning complex problems into clean, scalable solutions. I thrive in collaborative environments and enjoy building fast, accessible web applications while focusing on usability and performance.

I’m passionate about web technologies, performance, and user experience, and I enjoy mentoring teams to grow through code reviews, knowledge sharing, and best-practices guidance. I’ve led frontend initiatives at Gauss Development, ensuring scalable and maintainable systems, and I’m continually learning to stay ahead of industry trends.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Croatian

Fluent

English

Intermediate

Work Experience

Frontend Team Lead at Gauss Development

November 1, 2021 - September 30, 2025

Developed and maintained responsive web applications using Nuxt, Vue, JavaScript/TypeScript. Improved performance and optimized frontend code for better UX and faster load times. Partnered with backend teams to integrate APIs, resolve bottlenecks, and enhance overall system reliability. Contributed to internal tooling and CMS improvements prior to transitioning into a lead role.

Frontend Developer at Gauss Development

February 1, 2020 - November 1, 2021

Developed and maintained responsive web applications using modern frameworks (Nuxt, Vue, JavaScript/TypeScript). Improved performance and optimized frontend code for better UX and faster load times. Partnered with backend teams to integrate APIs, resolve bottlenecks, and enhance overall system reliability. Contributed to internal tooling and CMS improvements prior to transitioning into a lead role.

Junior Developer at CTK Rijeka IT Bootcamp

February 1, 2019 - June 15, 2019

Fundamentals of algorithms and data structures (C++). Database modeling and administration (MySQL). Object-oriented programming (C++). Web programming and web fundamentals.