Bidisha Biswas

Senior iOS Engineer at Ibotta

Led product validation feature development in the Ibotta app, achieving a 20% increase in redemptions. Developed receipt moderation feature, reducing erroneous submissions and enhancing data accuracy. Redesigned in-app earnings UI, increasing user engagement by 25%. Built efficient mobile components with UIKit/SwiftUI and automated CI/CD pipeline with Fastlane. Built backend services with Kotlin/Spring Boot, improving content placement efficiency. Implemented event-driven architecture for analytics events and microservices communication.

iOS Engineer at Ibotta

Developed secure payment systems integrating Plaid for seamless transactions. Streamlined receipt scan and upload feature, cutting support tickets by 40%. Optimized network calls using Swift Concurrency (async/await), improving app responsiveness by 15% for real-time features. Built ad infrastructure, enabling publishers to place offer ads for user impressions and in-app ad views. Translated UX prototypes into scalable production code using iterative Agile workflows. Collaborated with cross-functional teams for A/B testing and feature rollouts. Conducted code reviews and mentored junior developers.

iOS Developer at Gallup

Enhanced login performance using GCD multi-threading, reducing load time by 40%. Built video streaming features with AVFoundation and adaptive bitrate optimization. Designed polished UI with Core Animation, delivering smooth transitions and interactive elements.

Mobile Developer at Farm Credit Services of America

Built iOS sales app with Core Location and MapKit for prospect geolocation and routing. Transitioned projects to MVVM architecture and Swift from Objective-C, improving testability. Modularized projects into Cocoapod modules, enhancing encapsulation and unit testing.

Senior iOS Engineer at Ibotta

Led product validation feature development in the Ibotta app, driving a 20% increase in redemptions. Implemented receipt moderation to improve data accuracy. Redesigned the in-app earnings UI, boosting user engagement by 25%. Built efficient mobile components with UIKit/SwiftUI and automated CI/CD pipelines using Fastlane. Developed backend services with Kotlin/Spring Boot to improve content placement. Implemented an event-driven architecture for analytics events and inter-service communication.

iOS Engineer at Ibotta

Developed secure payment systems integrating Plaid for seamless transactions. Streamlined receipt scan/upload flow, reducing support tickets by 40%. Optimized network calls with Swift Concurrency (async-await), improving real-time features. Built ad infrastructure enabling publishers to place offer ads for user impressions and in-app ad views. Translated UX prototypes into production code within iterative Agile workflows. Collaborated with cross-functional teams on A/B testing and feature rollouts; mentored junior developers.

iOS Developer at Gallup

Enhanced login performance using GCD multi-threading. Built video streaming features with AVFoundation and adaptive bitrate optimization. Designed a polished UI with Core Animation, delivering smooth transitions and interactive elements.