d
dev_omeray

Omer A

@dev_omeray

Full Stack and Flutter Developer AI Powered Mobile Apps

Turkey
Turkish, English
About me
Hi! I'm Omer, a Full-Stack & Mobile Developer specializing in Flutter, modern web apps, and AI integrations. With professional tech park experience, I help startups and businesses build polished digital products from concept to launch. What I offer: - Cross-Platform Mobile Apps (Flutter, iOS & Android) - Full-Stack Web Apps (React, Next.js, TypeScript) - AI & LLM Integrations (OpenAI, Gemini, Claude) - Firebase, REST APIs, and quick bug fixes I focus on clean code, pixel-perfect UI, and fast delivery. Let's discuss your project!... Read more

Skills

d
dev_omeray
Omer A
Offline • 
Average response time: 1 hour

See my services

Cross-Platform Development
I will develop a custom flutter mobile app for ios and android
From$100 / projectMore details
Mobile App Bug Fixes
I will fix flutter bugs, build errors, and UI layout issues
From$20 / projectMore details

Portfolio

Work experience

Self_employed / Freelance

Self employed / Freelance

Full-time • 11 mos

Full-Stack & AI Engineer

May 2026 - Present • 5 mos

• Integrated and deployed LiveKit (WebRTC) with OpenAI Realtime API, achieving ultra-low audio latency (<500 ms) for conversational voice AI interactions. • Developed responsive, high-performance web and mobile consoles using React 19, Vite, Tailwind CSS, and Expo (React Native). • Designed modular decision workflows and streamlined data pipelines to reduce onboarding friction for new application domains. • Implemented structured data retrieval and context-aware pipelines, boosting information accuracy and response relevance by 35-40%.

Frontend & UI Engineer

Dec 2025 - Mar 2026 • 3 mos

• Architected and built an accessible, modular design system with 15+ reusable, responsive UI components tailored for both web and mobile platforms. • Accelerated dashboard and MVP prototype development cycles by 35-40% by standardizing component-driven development and eliminating redundant code. • Ensured consistent, pixel-perfect user experiences across desktop, tablet, and mobile devices while maintaining top rendering performance.

Mobile Application Developer

May 2025 - Aug 2025 • 3 mos

• Spearheaded the end-to-end development of a comprehensive educational mobile app from scratch using Flutter & Dart, delivering 25+ responsive screens with role-based access control across 4 user profiles. • Built streamlined attendance and grading modules that reduced manual data entry time by 60%, while slashing redundant REST API calls by 40% through Provider-based state caching. • Engineered robust client-side validation and local storage persistence, ensuring zero data loss during network disruptions and seamless offline UX.