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Hamidreza
About Hamidreza
Mobile Application Developer with 8 years of experience and expertise in Flutter, Kotlin, and Java for creating Mobile and PWA apps used in E-Commerce, Social Media, Health, Blockchain, and Finance fields. With Hands-On Experience in leading development teams with sizes between 5-10 developers in under-pressure situations, and defining the architecture for diverse audiences. SKILLS EXPERIENCES SENIOR FLUTTER DEVELOPER | ELASTICTEAMS | JULY 2022 – PRESENT • Produced a mobile app that revolutionized the hair color industry; enabling hair stylists to combine, dispense and save hair color formulas in a centralized database, reducing preparation time by 80% • Reduced client delivery time by enforcing CI/CD with CircleCI and Xcode Cloud • Optimized development speed and app performance by integrating RX programming in Flutter, resulting in a 30% increase in development speed • Lead and coach the development team to exalt coding skill • Enhanced app performance by defining offline cache layer for based Firebase cloud and Realm DB LEAD FLUTTER DEVELOPER | SOFTWARE GENESIS GROUP | JUNE 2021 – JUNE 2022 • Led the development of an international social media application for Android and iOS with Flutter, while leveraging Stripe Payment for secure transactions and Amazon AWS Cloud for scalable infrastructure. • Recruited two mid-level engineers to multiply features development under pressure • Expanded the project’s architecture to enhance coverage of 5+ new features • Extend Test coverage of the app from 20% to 95% to increase the quality • Optimized user experience by refactoring complicated features, resulting in a 50% improvement in user engagement MOBILE APPLICATION DEVELOPER | TECHNOCELL | MARCH 2015 – JUNE 2021 • Developed a secure mobile payment application that enabled users to make transactions using users smartphones, overcoming significant technical and security challenges, and attracting 10K users • Collaborated with third-party transportation and banking API developers to build a new payment gateway for a fintech startup; reduced transaction processing time by 50% • Built an Android SDK for broadcasting video streams with a low-latency video encoder; enhanced streaming quality by 60% and reduced video buffering by 20% • Implemented a regulated image cache policy on specific components; decreased page load time by 40%, resulting in a 30% increase in customer satisfaction • Spearheaded the implementation of Clean Architecture principles to increase code maintainability and testability and decreased the number of production bugs by 30% C++ DEVELOPER | KABOOK TECHNOLOGY | APRIL 2014 – MARCH 2015 • Built and executed a HIS hospital management software for a private client that simplified patient tracking and inventory management; saved 20+ hours per week and reduced inventory costs by 25% • Revamped the nurse’s section of the project by expanding module coverage and integrating new features; boosted nurses’ satisfaction by 60% • Streamlined UI with CSS to improve user experience; incorporated feedback from nurses to iterate on UI design, resulting in a 30% increase in user engagement and a 20% reduction in user errors • Resolved recurring database anomalies by conducting comprehensive data analysis; achieved 50% reduction in error rate and improved data integrity by 30% • Integrated software with hospital devices by socket programming, enabling 100+ doctors to remotely access MRI scans and X-rays, improving diagnosis time by 50% EDUCATION BACHELOR OF COMPUTER SOFTWARE ENGINEERING | 2016 | AZAD UNIVERSITY, IRAN
Flutter
Dart
Kotlin
Java
Git
Android Dvelopment
reactive programming
sql server
iOS Development
GraphQL
Google Firebase
Amazon AWS
CI/CD
Widget and Unit Testing
Realm and MongoDB
Sentry.IO
Jira