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

I am a Senior Mobile App Developer with 4.5+ years of experience specializing in secure, high-performance applications. I have extensive experience in the fintech space, having architected robust mobile platforms (Flutter/BLoC) and successfully integrated multiple secure payment gateways (Viva, SimplePay, Barion) for peer-to-peer startups. I am highly comfortable managing end-to-end development lifecycles and automated CI/CD pipelines in fully remote environments, and I am eager to bring my expertise in digital transactions to build your money transfer application.…I am a Senior Mobile App Developer with 4.5+ years of experience specializing in secure, high-performance applications. I have extensive experience in the fintech space, having architected robust mobile platforms (Flutter/BLoC) and successfully integrated multiple secure payment gateways (Viva, SimplePay, Barion) for peer-to-peer startups. I am highly comfortable managing end-to-end development lifecycles and automated CI/CD pipelines in fully remote environments, and I am eager to bring my expertise in digital transactions to build your money transfer application.

Kukli Norbert

App Developer, Web Developer, Software Engineer, +1





I am a Senior Mobile App Developer with 4.5+ years of experience specializing in secure, high-performance applications. I have extensive experience in the fintech space, having architected robust mobile platforms (Flutter/BLoC) and successfully integrated multiple secure payment gateways (Viva, SimplePay, Barion) for peer-to-peer startups. I am highly comfortable managing end-to-end development lifecycles and automated CI/CD pipelines in fully remote environments, and I am eager to bring my expertise in digital transactions to build your money transfer application.…I am a Senior Mobile App Developer with 4.5+ years of experience specializing in secure, high-performance applications. I have extensive experience in the fintech space, having architected robust mobile platforms (Flutter/BLoC) and successfully integrated multiple secure payment gateways (Viva, SimplePay, Barion) for peer-to-peer startups. I am highly comfortable managing end-to-end development lifecycles and automated CI/CD pipelines in fully remote environments, and I am eager to bring my expertise in digital transactions to build your money transfer application.

Available to hire

I am a Senior Mobile App Developer with 4.5+ years of experience specializing in secure, high-performance applications. I have extensive experience in the fintech space, having architected robust mobile platforms (Flutter/BLoC) and successfully integrated multiple secure payment gateways (Viva, SimplePay, Barion) for peer-to-peer startups. I am highly comfortable managing end-to-end development lifecycles and automated CI/CD pipelines in fully remote environments, and I am eager to bring my expertise in digital transactions to build your money transfer application.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Hungarian

Fluent

English

Advanced

Serbian

Intermediate

Work Experience

Flutter Developer

March 1, 2024 - Present

Core startup team member focused on market research, UI/UX integration, and product planning. Managed full app lifecycles using Jira and GitLab CI/CD, independently handling App Store and Play Console releases. Maintained a robust BLoC architecture while integrating WebSockets, Google Maps, custom calendar, Viva & SimplePay payments, and Firebase push notifications. Increased development speed using AI tooling (Cursor) since August 2025.

Android Developer (external) at 4D Soft Kft.

August 1, 2023 - September 1, 2023

Modernized the Hungarian Post Office internal system by migrating legacy Visual Basic to modern Kotlin.

Sole Developer (Flutter / Angular)

February 1, 2022 - March 1, 2024

Managed end-to-end lifecycles for 7 production Android and iOS applications. Architected the Kisokos app using BLoC and integrated Barion In-App Purchases, custom animations, maps, and a simulated chatbot. Built a scalable ecosystem of reusable packages and offline-first SQLite architectures for museum and kiosk hardware. Acted as an external Android developer for 4D Soft Kft to modernize the Hungarian Post Office internal system, migrating legacy Visual Basic to modern Kotlin.

Flutter Developer (trainee) at ICB Tech d.o.o

March 1, 2021 - May 1, 2021