Senior Mobile Engineer

Developed a cross-platform mobile application for doctor appointments and medical decision support using React Native, leveraging native accessibility features of iOS (VoiceOver) and Android (TalkBack) to ensure an inclusive user experience. Utilized Angular with Ionic Framework and Native Script to develop cross-platform mobile applications. Integrated Bluetooth and Wi-Fi capabilities using Kotlin and Swift. Collaborated with cross-functional teams to deliver high-quality native mobile applications. Managed app store deployments and utilized TestFlight for beta testing, reducing post-launch issues by 40%. Decreased customer acquisition costs by 30% by integrating Firebase Analytics. Automated build and deployment processes with Fastlane and custom Python scripts, reducing manual deployment time by over 50%. Improved test automation using Jest, Mocha, and XCTest. Designed and implemented GraphQL APIs and leveraged Expo framework for rapid development. Automated CI/CD pipelines using Jenkins, integrated GraphQL with React Native and Flutter, and implemented Ansible for backend server configurations. Boosted team productivity using Microsoft Teams and Jira.

Led development of a cross-platform health monitoring application using React Native and Kotlin. Oversaw beta-testing using TestFlight and Google Play Beta, increasing user satisfaction by 25%. Designed serverless API architectures with AWS Lambda, API Gateway, and DynamoDB. Developed schema-first GraphQL approach. Designed and developed a voice-based social networking platform using Java and Objective-C, increasing user engagement by 25%. Maintained audio playback libraries using Gradle, CocoaPods, and Carthage. Developed cross-platform apps using Cordova. Created an e-learning mobile app with Flutter and Swift. Conducted A/B testing to improve conversion rates by 15%. Tested GraphQL APIs with Jest and implemented real-time features with GraphQL subscriptions. Integrated AWS SNS for push notifications with over 99% delivery rates.

Directed development of an instant messaging app using Kotlin and Swift. Implemented end-to-end encryption with Signal Protocol, enhancing data security and compliance with GDPR and CCPA. Developed unit test suites with Jest and Enzyme. Migrated RESTful APIs to GraphQL, reducing API calls by 40%. Implemented unit, integration, and UI automation tests with Espresso and XCTest. Converted Objective-C code to Swift. Leveraged Firebase for analytics and crash reporting, reducing crash rates by 40%. Introduced Docker and Kubernetes for containerization, improving deployment consistency and speeding up release cycles by 30%. Enhanced team collaboration using Agile methodologies, Jira, and Slack.

Developed full-stack web applications using Python/Django and JavaScript/React. Built responsive front-end interfaces with HTML5, CSS3, and modern JavaScript frameworks. Designed and implemented RESTful APIs. Created and maintained PostgreSQL databases, optimizing queries. Deployed applications on AWS and DigitalOcean using Docker and Nginx. Integrated third-party services including payment gateways, social logins, and email services. Implemented user authentication, authorization, and session management systems. Collaborated with UI/UX designers to translate mockups into functional web applications.