Sanooj P S

• Solo developer responsible for end-to-end delivery and maintenance of mobile and backend systems.
• Maintain and extend two production iOS apps, contributing new features, fixing bugs, and releasing updates to the App Store.
• Support and maintain one Android app, handling feature updates, localisation, and release management on Google Play.
• Maintain and enhance a LAMP-based API backend (PHP, MySQL) hosted on Amazon EC2 Linux.
• Maintain and contribute to an internal Python Flask-based customer support website, implementing new features and resolving production issues.
• Collaborate with firmware teams for Nordic BLE integration and ensure platform-wide compatibility for mobile apps. (biosim, My i-Limb) and supported Android app deployment.
• Collaborated with firmware team to integrate custom Nordic BLE API in iOS apps.
• Updated legacy iOS 9 codebase to ensure compatibility with iOS 13+.
• Implemented localisation support and a custom language picker for Android.

Client: JPMorgan Chase & Co.

• Contributed to the development of JPMorgan's enterprise iOS applications used internally by business units.
• Contributed to the implementation of build scripts and the configuration of Jenkins for CI.
• Improved the existing (legacy) iOS code base by refactoring and rewriting failing unit tests, increasing code coverage from 15% to 70%.
• Collaborated with the Backend Teams to develop web services customised for mobile apps.

Others

• Successfully reduced the bug backlog for Quality Measures Reporter (QMR) from 65% to just 5%.
• Designed and implemented a Thread-Safe Sync Manager for ePub & PDF annotations as part of an ePub and PDF reader component for an iOS app.
• Spearheaded the migration of the entire iOS code base from Swift 2.0 to 3.0 and then to 4.0.

• Successfully replaced a buggy HTML-based user interface with a native iOS clone, resulting in a 0.2-point increase in customer satisfaction (from 3.8 to 4).
• Led a team of six developers to meet a strict client deadline in just three months, reducing performance and bug backlog issues from 80% to 15%.
• Developed and implemented an internal wrapper component for use in-house. This component facilitates file uploads via AWS s3 REST API and Microsoft Azure REST API, replacing the AWS iOS SDK which reduced app size by 30%.
• Conducted a session on Cocoa-pod dependency manager integration for junior developers.
• Contributed significantly to identifying and resolving performance issues in multiple areas.

• Created and presented a proof-of-concept (POC) for iOS and Android companion apps capable of viewing PC Health Reports.
• Conducted an analysis of PC Tune-up products, identifying feature obsolescence and relevance. After implementing my suggestions, downloads increased by 25%.
• Co-designed and developed a patented SYSTEM AND METHOD FOR REMOTELY DIAGNOSING AND REPAIRING A COMPUTING DEVICE.
• Coded a Named Pipe-based IPC mechanism to replace the existing file-based communication between two app components for a legacy Windows-based Desktop application.
• Trained and provided guidance to Tech. Support Executives on Microsoft Windows and macOS.
• Successfully managed the enrolment of two trainee teams, each with 15 members, to become full-time associates.

• Design and develop native mobile applications and web systems for startups and small businesses.
• Build iOS apps with integration of REST APIs, and push notifications.
• Developed iOS applications from scratch to release using Swift/Objective C and SwiftUI, both independently and as part of a team
• Maintained and added new features to existing iOS apps, ensuring compatibility with the latest iOS versions and releasing updates to the App Store.
• Contributed to Node.js based backend maintenance and added new features to improve system performance.
• Built web front-end applications using React, Tailwind CSS, and HTML, ensuring responsive, modern UIs.
• Created POCs using Solidity and Go for blockchain-based and full-stack solutions, exploring the potential of these technologies.