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I'm a Flutter Developer focused on building production-ready cross-platform mobile apps from design to deployment. I specialize in clean Flutter architecture, Google Maps integration, and using Firebase for scalable backends. I also leverage OpenAI for realtime voice interactions, RevenueCat for monetization, and analytics with Amplitude to drive product decisions. I value clear communication and collaboration across cultures, having participated in KL-YES and a United States exchange. I also work with Node.js services and Spring Boot for backend capabilities, and I enjoy turning REST APIs into reliable, scalable features.…I'm a Flutter Developer focused on building production-ready cross-platform mobile apps from design to deployment. I specialize in clean Flutter architecture, Google Maps integration, and using Firebase for scalable backends. I also leverage OpenAI for realtime voice interactions, RevenueCat for monetization, and analytics with Amplitude to drive product decisions. I value clear communication and collaboration across cultures, having participated in KL-YES and a United States exchange. I also work with Node.js services and Spring Boot for backend capabilities, and I enjoy turning REST APIs into reliable, scalable features.

Yusuf Elkaan

App Developer, Full Stack Developer, Web Developer, +2

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I'm a Flutter Developer focused on building production-ready cross-platform mobile apps from design to deployment. I specialize in clean Flutter architecture, Google Maps integration, and using Firebase for scalable backends. I also leverage OpenAI for realtime voice interactions, RevenueCat for monetization, and analytics with Amplitude to drive product decisions. I value clear communication and collaboration across cultures, having participated in KL-YES and a United States exchange. I also work with Node.js services and Spring Boot for backend capabilities, and I enjoy turning REST APIs into reliable, scalable features.…I'm a Flutter Developer focused on building production-ready cross-platform mobile apps from design to deployment. I specialize in clean Flutter architecture, Google Maps integration, and using Firebase for scalable backends. I also leverage OpenAI for realtime voice interactions, RevenueCat for monetization, and analytics with Amplitude to drive product decisions. I value clear communication and collaboration across cultures, having participated in KL-YES and a United States exchange. I also work with Node.js services and Spring Boot for backend capabilities, and I enjoy turning REST APIs into reliable, scalable features.

Available to hire

I’m a Flutter Developer focused on building production-ready cross-platform mobile apps from design to deployment. I specialize in clean Flutter architecture, Google Maps integration, and using Firebase for scalable backends. I also leverage OpenAI for realtime voice interactions, RevenueCat for monetization, and analytics with Amplitude to drive product decisions.

I value clear communication and collaboration across cultures, having participated in KL-YES and a United States exchange. I also work with Node.js services and Spring Boot for backend capabilities, and I enjoy turning REST APIs into reliable, scalable features.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Turkish

Fluent

English

Advanced

Work Experience

Flutter Developer (Part-time) at Guidel

November 1, 2024 - Present

Integrated OpenAI Realtime Voice API and TTS for natural voice conversations and spoken itineraries/directions. Used Firebase (Realtime Database, Remote Config, Authentication) for scalable backend and dynamic feature management. Implemented Amplitude analytics to track user behavior and inform product decisions. Applied clean Flutter design patterns and modular architecture for maintainable code. Led migration from MapLibre to Google Maps SDK in Flutter. Built in-app monetization with RevenueCat – created iOS/Android products and dynamic paywalls. Developed advanced search using Google Places, Autocomplete, and Geocoding APIs.

Freelance Flutter Developer at Kazel Expo

July 1, 2024 - October 31, 2024

Event ticketing app – Play Store. Built and published complete iOS & Android app from Figma designs. Integrated APIs for authentication, catalog, cart, checkout, and user profiles. Implemented secure WebView payment flows and FCM push notifications. Managed full release cycle on Google Play and Apple App Store.

Flutter Developer (Part-time) at Guidel: City & Audio Guide

November 1, 2024 - Present

Flutter Developer at Kazel Expo

July 1, 2024 - October 1, 2024

Built and published complete iOS & Android app from Figma designs. Integrated multiple REST APIs for authentication, catalog, cart, checkout, and user profiles. Implemented secure WebView payment flows and FCM push notifications. Managed complete release pipeline to Google Play and Apple App Store.