Summary
Overview
Work History
Education
Skills
Certification
Projects & Publications
Timeline
Generic

Prarthana Das

Kolkata

Summary

Results-driven Mobile Developer with 6+ years of experience in creating scalable and secure mobile banking and enterprise applications. Expertise in Swift, Objective-C, and Java, with strong skills in debugging, UI/UX design, and cross-platform development. Focused on enhancing user interfaces, integrating new technologies, and optimizing performance to deliver impactful mobile solutions.

Overview

1
1
Certification
11
11
years of professional experience

Work History

Senior Software Engineer

KloudGin
01.2024 - Current
  • Delivered responsive iOS interfaces in Swift, UIKit, and SwiftUI through adaptive layouts, collapsible table cells, gesture interactions, date pickers, dialog components, and iPhone and iPad support.
  • Delivered Android features in Kotlin and Java through reusable UI components, adaptive layouts, gesture handling, and state management.
  • Improved mobile stability by resolving UI lifecycle, Auto Layout, rendering, networking, permissions, and device-specific issues across iPhone, iPad, and Android.
  • Mitigated crash and production issues by analyzing Firebase Crashlytics stack traces and implementing fixes across iOS and Android.
  • Enhanced stability reporting by analyzing Crashlytics and application data in BigQuery and Google Looker Studio, facilitating trend review and issue investigation.
  • Delivered Android media workflows for capture, gallery access, media selection, and preview with MediaRecorder, MediaStore, ExifInterface, and location-based filtering.
  • Provided enterprise GIS support with ArcGIS Maps SDK, enhancing usability through map layers, bookmarks, visible-layer state, search criteria, and offline map experiences.
  • Delivered preplanned offline GIS workflows through packaged GIS data, geodatabases, device storage, map registration, and app synchronization.
  • Delivered GIS package download and storage workflows from Amazon S3, preparing content for device sandbox use and native GIS SDK integration.

Applications Developer

Oracle Financial Services Software
08.2019 - 12.2023
  • Led iOS development for a mobile banking app including login via PIN, pattern, biometrics, QR code payments, and SiriKit.
  • Developed onboarding flows and deep linking (universal links) to streamline user access and enhance app usability.
  • Contributed Swift + Objective-C hybrid modules to improve application functionality using Xcode 14.3.1 and iOS 16.5.
  • Developed iOS application for hybrid mobile banking utilizing web-native bridge with Apache Cordova.

Programmer Analyst

Cognizant Technology Solutions
06.2015 - 08.2016
  • Handled change requests and defect fixes while developing test cases aligned with business requirements.

Education

M.Tech - Computer Science and Engineering

VNIT
Nagpur
07-2019

B.Tech - Computer Science and Engineering

MAKAUT
Kolkata
07-2015

Higher Secondary -

WBCHSE
Kolkata
06-2011

Madhyamik -

WBBSE
Kolkata
06-2009

Skills

  • IOS: UIKit, AVFoundation, SiriKit, CoreData, WKWebView, WebKit, Firebase Crashlytics
  • Android: MediaRecorder, AlertDialog, LocalBroadcastManager, Android Studio, ConstraintLayout, XML Drawables
  • Languages: Swift, Objective-C, Java, Kotlin, JavaScript, HTML, CSS, C, Core Java
  • Cross-Platform: Apache Cordova
  • Tools: Xcode, Android Studio, Git, Looker Studio, Postman
  • Mobile app architecture
  • Crash analytics
  • API integration
  • Code review
  • ArcGIS integration

Certification

  • KloudGin Platform Certification January, 2024 - January,2028
  • KloudGin Innovative Problem Solver Award - June, 2025
  • Oracle FSGBU Pacesetter Award – Q3FY22
  • 94 Percentile – GATE 2017, Cognizant Certified Student (IT Foundation) – Aug 2014

Projects & Publications

Published: “Detecting the Geospatialness of Prepositions from Natural Language Text”, COSIT 2019., iOS: Built hybrid net banking app with Cordova, Swift, JS, HTML/CSS, SwiftUI, and Apple Watch/Siri integrations.

Timeline

Senior Software Engineer

KloudGin
01.2024 - Current

Applications Developer

Oracle Financial Services Software
08.2019 - 12.2023

Programmer Analyst

Cognizant Technology Solutions
06.2015 - 08.2016

M.Tech - Computer Science and Engineering

VNIT

B.Tech - Computer Science and Engineering

MAKAUT

Higher Secondary -

WBCHSE

Madhyamik -

WBBSE

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