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

I am student at a prestige Croatian faculty of electrotechnics and computer science (FER) I have freelanced before and currently i am developing 2 high end polished loyalty apps for two big hospitality bussineses I am very good in app dev using flutter(dart) understand fullstack programming and can deliver professional results…

Luka Zelić

Web Developer, Back-End Developer, Full Stack Developer, +2





I am student at a prestige Croatian faculty of electrotechnics and computer science (FER) I have freelanced before and currently i am developing 2 high end polished loyalty apps for two big hospitality bussineses I am very good in app dev using flutter(dart) understand fullstack programming and can deliver professional results…

Available to hire

I am student at a prestige Croatian faculty of electrotechnics and computer science (FER)
I have freelanced before and currently i am developing 2 high end polished loyalty apps for two big hospitality bussineses
I am very good in app dev using flutter(dart) understand fullstack programming and can deliver professional results

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Student Software Developer at Ericsson Nikola Tesla

November 1, 2024 - May 1, 2025

Developed and maintained C++ components for 5G antenna systems; worked on Erlang-based testing and validation framework; participated in debugging and performance analysis of telecom-grade systems; collaborated in an agile development team.

Freelance Mobile Developer at Self-Employed

December 1, 2025 - Present

Developed two production-grade loyalty mobile applications using Flutter; built and maintained Firebase backend (Authentication, Firestore, Cloud Functions); implemented secure user authentication and role-based access control; integrated real-time data synchronization and push notifications (FCM); managed full development lifecycle from architecture design to deployment; collaborated directly with business owners on feature planning and product iterations.