Chanchal Raj

• Leading development of chat and payment features for Comera, a WhatsApp-like communication platform with Comera Pay for secure fund transfers.
• Designed and implemented chat camera workflows (media capture, memory management, real-time sharing).
• Worked on end-to-end encrypted messaging (OMEMO/XMPP) ensuring privacy and compliance with security standards.
• Optimized memory usage and performance for large chat sessions and media-heavy conversations.
• Collaborated with cross-functional teams to integrate payment flows, including wallet, card, and bank transfers.
• Leveraged Swift, SwiftUI, Combine, and modern iOS frameworks for scalable, maintainable architecture.
• Practiced CI/CD, Agile/Scrum, and code review processes to maintain high-quality deliverables.

Led the architectural design and solution strategy for the Carrefour iOS app, serving over 1 million active users across 16 markets. Managed a team of engineers to deliver key features across multiple domains:

• Product Cards: Designed and developed product cards used across the app, integrating synchronized cart quantity updates, personalized offers, discounts, and loyalty rewards (SHARE points). Built multiple variations — horizontal, vertical, AdTech-driven.
• Checkout & Payments: Integrated Carrefour Pay, SHARE Loyalty Program, Tabby/Tamara, and Apple Pay to streamline transactions.
• In-Store Features: Developed Scan & Go and digital store receipts for a seamless shopping experience.
• AI-Powered Smart Assistant (ChatGPT Integration): Developed an AI-driven assistant that suggests recipes, auto-fills shopping carts, and enhances product discovery with attribute-based search. Transformed multi-step FAQ interactions into a direct in-app chat, reducing WhatsApp dependency. Engineered backend services and UI, introducing an in-app advertising space with multi-million dirham revenue potential.

Key achievements:

• Reduced the iOS app size by over 28%, improving performance and efficiency.
• Increased test coverage from 32% to 84%, strengthening code reliability.
• Migrated from legacy technology to a modern, scalable architecture, boosting development speed.
• Automated iOS CI/CD pipelines using Azure Pipelines and Fastlane for faster releases.
• Introduced a desk-check process, cutting reported bugs by 58%.
• Migrated product listing, search, and suggestions from native iOS to Flutter, ensuring hybrid scalability.

• Developed and deployed iOS B2B application: delivered iOS apps for Axiom Telecom to get orders from retailers, enhancing retailer engagement and experience.
• Designed UI programmatically using UIKit: developed all UI programmatically, deepening understanding of component reusability.

• Worked on a fitness app developed in Swift that tracks users' daily workout activities and steps.

• Worked on a music app developed in Swift with 5k+ active users.

• Started career as an iOS Developer, developing 15 iOS apps.