Vahid Rajabi

Freelance Developer

• Job Details:Led the development of a native android mobile application integrated with graphql api, improving data fetching efficiency by 30% and reducing network calls by 25%, resulting in a faster user experience. Developed full-stack flutter web application integrated with supabase and github actions. Implemented http caching mechanisms (etag and last-modified headers) for optimizing retrieval of low-frequency constants in flutter application, reducing data transfer by 95% and improving app launch speed by 40%. Contributed in architecting and developing personal financial management application using jetpack compose and mock embedded server integration.

Senior Flutter Developer

• Job Details:Designed and implemented robust flutter applications using clean architecture, bloc, go_router and injectable, ensuring well-documented structure to accelerate delivery speed and enhance maintainability. Optimized and customized cloud messaging using firebase messaging and fcm notifications for a chat app by designing efficient payloads and leveraging local cache for faster processing and reduced notification load, including user avatars. Directed the versioning and release process for 5 key projects on app store and google play store.

Lead Flutter and Android Team

• Job Details:Collaborated closely with cross-functional teams, leveraging my expertise in back-end development and UI/UX to bridge gaps and deliver high-quality, user-centric applications with seamless new feature integration. Experienced developing enterprise applications using jetpack compose and jetpack components. Adopted clean architecture, automated testing and TDD to enhance code maintainability and stability, using gitlab ci/cd for seamless integration and performance monitoring to proactively address technical debt. Enhanced platform performance by implementing server-sent events (sse) in flutter and android to streamline real-time event handling, reducing server load and cutting operational costs by 15% compared to traditional socket methods. Led the development of 3 enterprise applications by effectively applying scrum methodologies using jira, improving version release cycles and increasing stakeholder satisfaction.