Senior iOS Developer - Secure Mobile Pay Expert

HARI KIRAN REDDY PULICHARLA

Sr. iOS Developer — Technology Analyst

*********@*****.*** +1-469-***-****

linkedin.com/in/harikiran1432

Dallas, TX Available for Relocation

PROFESSIONAL SUMMARY

Results-driven Senior iOS Developer with 7+ years of expertise in end-to-end mobile application development across iOS platforms. Proven track record of delivering high-performance, user-centric applications for fortune companies including MoneyGram and Daimler. Expert in Swift, SwiftUI, Xcode, and modern iOS architectures

(MVVM, MVC). Specialized in secure payment systems, biometric authentication, and scalable enterprise solutions. Strong background in Agile methodologies, functional collaboration, and delivering mission-critical features that enhance user experience and drive business objectives. TECHNICAL SKILLS

iOS Development: Swift, SwiftUI, Objective-C, Xcode, UIKit, Cocoa Touch, Core Data, Core Animation, Combine Framework

Architecture & Patterns: MVVM, MVC, Clean Architecture, Design Patterns, Dependency Injection APIs & Integration: RESTful APIs, GraphQL, JSON/XML Parsing, Third-party SDK Integration, OAuth, JWT

Testing & Quality: XCTest, XCUITest, Unit Testing, UI Testing, TDD, Automated Testing Frameworks Tools & Technologies: Git, GitHub, Bitbucket, JIRA, Confluence, Postman, Charles Proxy, Firebase Security & Compliance: Biometric Authentication (Face ID, Touch ID), Keychain Services, SSL Pinning, GDPR Compliance

Databases: SQLite, Core Data

CI/CD & DevOps: Fastlane, Jenkins, TestFlight, App Store Connect, Azure DevOps Methodologies: Agile/Scrum, Waterfall, Kanban, Sprint Planning, Story Estimation PROFESSIONAL EXPERIENCE

Sr. iOS Developer February 2024 – December 2025

MoneyGram International, Inc. Dallas, TX

• Architected and implemented automated testing framework for biometric authentication (Face ID, Touch ID) across MoneyGram’s digital wallet, improving verification reliability by 40% and reducing manual testing time by 60%

• Developed secure international wallet transfer features handling $XXM+ in daily transactions, ensuring PCI-DSS compliance and implementing multi-layer encryption for sensitive financial data

• Optimized cross-border payment processing workflows, reducing transaction verification time by 35% through enhanced API integration and caching strategies

• Collaborated with backend, QA, and product teams to deliver features for 2M+ active users, maintaining 99.9% crash-free rate and 4.7+ App Store rating

• Implemented advanced security protocols including SSL pinning, certificate validation, and secure keychain storage for user credentials and transaction data

• Led code reviews and mentored junior developers on iOS best practices, SwiftUI adoption, and mobile security standards

• Utilized Swift, SwiftUI, Combine, Core Data, and RESTful APIs to build scalable, maintainable features within Agile/Scrum framework

Technology Analyst April 2022 – December 2023

Infosys LLC Hyderabad, India (Remote for US Clients)

• HAUS for Daimler (Mercedes-Benz): Developed premium iOS application for luxury automotive brand, implementing complex UI/UX features with SwiftUI and custom animations, serving 100K+ users

• Built real-time vehicle connectivity features integrating with IoT systems, enabling remote vehicle control, diagnostics, and location tracking

• Implemented robust offline-first architecture using Core Data and sync mechanisms, ensuring seamless user experience in low-connectivity scenarios

• Five Below Retail App: Enhanced e-commerce iOS application with improved product catalog, shopping cart, and checkout flows, contributing to 25% increase in mobile conversion rates

• Integrated payment gateways (Stripe, PayPal) with secure transaction handling and PCI compliance

• Optimized app performance reducing load times by 40% through lazy loading, image caching, and code optimization

Senior Systems Engineer May 2021 – April 2022

Infosys LLC Hyderabad, India

• IDSMP for Innovative Emergency Equipment: Developed mission-critical iOS application for emer- gency response teams with real-time GPS tracking and incident management features

• Implemented push notifications using Firebase Cloud Messaging for time-sensitive emergency alerts

• NEOM Smart City Project (Saudi Arabia): Contributed to futuristic smart city iOS platform inte- grating IoT sensors, urban planning tools, and citizen services

• Collaborated with international teams across multiple time zones, demonstrating strong cross-cultural com- munication skills

• Promoted to senior role for exceptional performance and technical leadership

• Led iOS feature development for enterprise clients, ensuring timely delivery and quality standards

• Conducted technical workshops on SwiftUI adoption and modern iOS development practices

• Participated in architectural decisions and technology stack evaluations for new projects Senior Software Engineer January 2019 – May 2021

NormSoft, Inc. Hyderabad, India

• My Health Wallet (iOS): Developed comprehensive healthcare management application enabling users to store medical records, schedule appointments, and track prescriptions

• Implemented HIPAA-compliant data storage and encryption mechanisms to protect sensitive health infor- mation

• Integrated HealthKit framework for fitness tracking and health data synchronization

• TeleHealth Pro by eMedical Practice (iOS): Built telemedicine platform supporting video consultations, prescription management, and patient-doctor messaging

• Integrated WebRTC for high-quality video calling with optimized bandwidth usage and connection stability

• Developed real-time chat functionality using Firebase with message encryption and media sharing capabilities

• eMedical Practice EHR (iOS): Created Electronic Health Records system for healthcare providers with patient management, appointment scheduling, and billing features

• Implemented complex form validations and data entry workflows optimized for medical professionals

• Developed offline sync capabilities allowing doctors to access patient records without internet connectivity

• Cariee (iOS): Led native-platform mobile development for career guidance application

• Built reusable UI components and shared business logic to maintain consistency across platforms

• Achieved 50K+ downloads with 4.5+ rating on both App Store and Google Play

• Mentored junior developers on mobile development best practices, code quality, and debugging techniques Software Developer July 2018 – December 2018

Health Wealth Card Pvt Ltd Dehradun, India

• Health Wealth Card Official Website: Developed responsive web application using HTML5, CSS3, JavaScript, and Bootstrap framework

• Ensured mobile-first design principles and cross-browser compatibility across all major platforms

• Health Wealth Card App: Created native iOS application for healthcare services with user authentication, service booking, and payment integration

• Implemented Material Design guidelines for intuitive and visually appealing user interface

• Integrated RESTful APIs for backend communication and real-time data synchronization

• Participated in requirement gathering sessions with stakeholders, translating business needs into technical solutions

KEY PROJECTS & ACHIEVEMENTS

Automated Biometric Testing Framework – MoneyGram

• Designed comprehensive testing suite for Face ID and Touch ID authentication across diverse device config- urations

• Reduced regression testing cycles from 3 days to 4 hours through automation

• Improved biometric feature reliability by identifying and resolving edge cases in authentication flows Secure Wallet Transfer System – MoneyGram

• Architected end-to-end secure payment pipeline with multi-layer encryption and fraud detection

• Implemented transaction history, receipt generation, and dispute resolution workflows

• Achieved zero security incidents and maintained PCI-DSS Level 1 compliance IoT Vehicle Integration – HAUS for Daimler

• Developed real-time vehicle connectivity features enabling remote start, lock/unlock, and climate control

• Integrated with Mercedes-Benz IoT APIs to retrieve vehicle diagnostics and maintenance alerts

• Implemented geofencing and location-based services with Core Location framework E-commerce Optimization – Five Below

• Re-architected product catalog module improving scroll performance by 50% using UICollectionView opti- mizations

• Implemented advanced search and filtering with instant results and autocomplete suggestions

• Enhanced checkout flow reducing cart abandonment rate through streamlined UI/UX Emergency Response Platform – IDSMP

• Built real-time GPS tracking system for emergency vehicles with route optimization and ETA calculations

• Developed incident reporting module with photo/video capture, voice notes, and location tagging

• Implemented offline data capture with background sync when connectivity restored AWARDS & RECOGNITION

• Infosys Excellence Award – Recognized for outstanding project delivery and technical innovation (Novem- ber 2022)

• Digital Interaction Professional Certification – Infosys internal certification for excellence in client- facing roles (March 2023)

• Promoted to Technology Analyst – Fast-tracked promotion for exceptional performance and leadership

(April 2022)

• Client Appreciation – Received commendations from Daimler and Five Below for quality deliverables and professionalism

EDUCATION

Master of Science in Information Technology Management January 2024 – August 2025 Belhaven University, Jackson, Mississippi GPA: 3.9/4.0 Relevant Coursework: Advanced Mobile Computing, Enterprise Architecture, Agile Project Management, Cy- bersecurity

Bachelor of Engineering in Computer Science August 2014 – May 2018 Malineni Lakshmaiah Engineering College (JNTUK) Percentage: 76.7% Relevant Coursework: Data Structures, Algorithms, Object-Oriented Programming, Mobile Application Devel- opment

CERTIFICATIONS & PROFESSIONAL DEVELOPMENT

• Swift Programming – Official Swift certification demonstrating proficiency in modern Swift development

• Mobility – An Overview – Comprehensive mobile development ecosystem training

• Introduction to Cyber Security in SDLC – Security best practices for software development lifecycle

• Privacy by Design (Beginner & Intermediate) – Data privacy principles and GDPR compliance training

• Infosys Global Agile Certification – Preparatory course covering Scrum, Kanban, and Agile methodolo- gies

• Continuous Learning: Actively pursuing Apple Developer certifications and staying current with latest iOS releases

ADDITIONAL TECHNICAL COMPETENCIES

iOS Frameworks & Libraries:

• UI/UX: SwiftUI, UIKit, Auto Layout, Size Classes, Adaptive UI, Animations, Core Graphics

• Networking: URLSession, Alamofire, Moya, Network Reachability, Background Fetch

• Data Persistence: Core Data, Realm, UserDefaults, Keychain, FileManager, NSCoding/Codable

• Media & Location: AVFoundation, Core Image, MapKit, Core Location, CLLocationManager

• Notifications: Local Notifications, Push Notifications, Firebase Cloud Messaging, APNs

• Social Integration: Facebook SDK, Google Sign-In, Twitter Kit, Social Media APIs

• Payment Integration: Apple Pay, Stripe, PayPal, In-App Purchases, StoreKit

• Analytics: Firebase Analytics, Google Analytics, Mixpanel, Crashlytics PROFESSIONAL SKILLS & COMPETENCIES

Leadership & Collaboration:

• Proven ability to lead technical initiatives and mentor junior developers

• Strong stakeholder management skills with experience presenting to C-level executives

• Excellent cross-functional collaboration with product, design, backend, and QA teams

• Experience working with distributed teams across multiple time zones and cultures Problem Solving & Innovation:

• Track record of identifying performance bottlenecks and implementing optimization solutions

• Proactive approach to adopting new technologies and iOS features (SwiftUI, Combine, iOS 18 APIs)

• Strong debugging skills using Xcode Instruments, breakpoints, and logging frameworks

• Experience with crash analysis using Crashlytics and symbolication tools Communication & Documentation:

• Excellent verbal and written communication skills in English

• Experience creating technical documentation, API specifications, and architecture diagrams

• Regular participation in sprint planning, stand-ups, retrospectives, and demos

• Ability to translate complex technical concepts for non-technical stakeholders PROFESSIONAL DEVELOPMENT INITIATIVES

• Regular attendee of iOS developer meetups and conferences

• Active participant in online iOS development communities (Stack Overflow, GitHub, iOS Dev Forums)

• Completed numerous iOS tutorials and courses on platforms like Ray Wenderlich, Hacking with Swift

• Stay current with WWDC sessions and Apple’s latest development guidelines

• Experiment with new iOS features and frameworks through personal projects

• Contribute to knowledge sharing through technical discussions and code reviews CAREER HIGHLIGHTS SUMMARY

• 7+ years of professional mobile development experience with focus on iOS platforms

• Delivered 15+ production applications serving millions of users across healthcare, fintech, automotive, and retail sectors

• Maintained 99%+ crash-free rates across all applications through rigorous testing and quality assurance

• Achieved 4.5+ average App Store ratings through focus on user experience and performance

• Successfully managed complete SDLC from requirements gathering to production deployment and main- tenance

• Expertise in secure financial applications with PCI-DSS compliance and biometric authentication

• Strong background in healthcare applications with HIPAA compliance and sensitive data handling

• Proven ability to optimize application performance reducing load times by 40-60% across multiple projects

• Experience with IoT integration and real-time data synchronization for connected devices References available upon request

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