NAGENDRA SINGH
Gr. Noida
Summary
- Senior iOS Technical Lead with 12+ years of experience delivering scalable, high-performance mobile applications
- Expertise in Swift, SwiftUI, Objective-C, and modern iOS architectures with strong focus on performance and maintainability
- Proven ownership of end-to-end development lifecycle: architecture, development, deployment, and production support
- Experienced in team leadership, mentoring engineers, and managing multiple parallel deliveries
- Strong background in RESTful APIs, offline-first design, and secure mobile application development
- Hands-on with App Store releases, provisioning, certificates, and enterprise distribution
- Basic exposure to Flutter for cross-platform development
- Working knowledge of Generative AI, RAG, and agentic workflows to enable intelligent application features
Overview
14
14
years of professional experience
Work History
Senior Technical Lead
Coforge
Gr. Noida
11.2019 - Current
- Leading end-to-end development of Eurostar ITM iPad app (architecture → deployment → support)
- Driving architecture and design decisions to enhance scalability, performance, and code quality
- Collaborating with stakeholders to translate business requirements into technical solutions
- Managing and mentoring offshore teams, ensuring timely and high-quality delivery
- Integrating RESTful APIs and building scalable, user-focused mobile applications
- Working in Agile Scrum, handling sprint planning, tracking, and delivery (JIRA)
- Managing releases, provisioning, and enterprise deployments
Lead iOS Developer
Micromax Informatics
12.2018 - 10.2019
Lead iOS Developer
Spoofin
10.2017 - 12.2018
Senior iOS Developer
Mobi Serve Pvt Ltd
12.2016 - 09.2017
Senior iOS Developer
Vglobaltech
09.2015 - 12.2016
iOS Developer
STPL
08.2013 - 09.2015
Software Engineering Intern
Swarnim Infosoft
06.2012 - 01.2013
Education
Master of Computer Applications - Computer
Jaipurial Institute
Ghaziabad, India05-2012
Bachelor of Science - Physics, Chemistry, Mathma
University Of Gorakhpur
Gorakhpur, India05-2008
Skills
Mobile Development
- iOS (iPhone/iPad), Swift, SwiftUI, Objective-C
- Cocoa Touch, Xcode, Instruments
- Basic Flutter (cross-platform exposure)
Architecture & Engineering
- Scalable mobile architecture (MVC, MVVM)
- Modular design, system design for mobile applications
- Performance optimization, memory management
- End-to-end app lifecycle (design → development → deployment → support)
APIs & Networking
- RESTful APIs, JSON/XML, Protocol Buffers
- NSURLSession, CFNetwork, TCP/IP networking
Cloud & Messaging
- AWS (SNS), Firebase Cloud Messaging (FCM), APNS
- Enterprise messaging systems (MSMQ)
Databases & Data Layer
- Core Data, SQLite
- Offline-first architecture & data synchronization strategies
AI / Generative AI (Working Knowledge)
- Agentic AI workflows, LangChain (agents, tools, chains, memory)
- Retrieval-Augmented Generation (RAG), MCP
- Vector databases: FAISS, Chroma
- Prompt engineering & LLM integration
Security & Platform Engineering
- Secure data handling, encryption techniques
- App provisioning, certificates, signing & enterprise deployment
Projects
iTM iPad Application – Eurostar
Role: Senior Technical Lead
Tech: Swift, SwiftUI, Objective-C, REST APIs, Core Data, SQLite, AWS, APNS
- Led end-to-end development (architecture → deployment → support) of enterprise iPad application
- Reduced app size 48MB → 16MB through code refactoring and modularization
- Designed secure offline-first architecture with real-time sync for reliable field operations
- Delivered key features: offline mode, fault reporting, equipment management, authentication
- Improved UI/UX consistency aligned with web platform
- Managed enterprise deployment, provisioning, and release compliance
Vivino – Wine Scanner & Marketplace
Role: Lead iOS Developer
Tech: Swift, Objective-C, UIKit, Core ML, REST APIs, Firebase, Core Data
- Contributed to iOS app serving 50M+ users, focusing on scalability and performance
- Implemented Core ML-based image recognition to enhance scanning accuracy
- Optimized performance and memory for faster navigation and improved UX
- Built features including recommendations, marketplace, reviews, and notifications
- Collaborated with cross-functional teams to deliver high-quality releases
Accomplishments
- 2024: Awarded Coforge Wireless Memento for outstanding performance
- 2022: Coforge R&R Award – Most Spirited Team
- 2019: Recognized by Vuliv for zero-defect releases
- 2018: Spoofin Memento for high performance
- 2017: Dermacy Award – Most Spirited Team
- 2015: Appreciated by STPL & Sears leadership for successful offshore delivery with zero-defect releases
Timeline
Senior Technical Lead
Coforge
11.2019 - Current
Lead iOS Developer
Micromax Informatics
12.2018 - 10.2019
Lead iOS Developer
Spoofin
10.2017 - 12.2018
Senior iOS Developer
Mobi Serve Pvt Ltd
12.2016 - 09.2017
Senior iOS Developer
Vglobaltech
09.2015 - 12.2016
iOS Developer
STPL
08.2013 - 09.2015
Software Engineering Intern
Swarnim Infosoft
06.2012 - 01.2013
Master of Computer Applications - Computer
Jaipurial Institute
Bachelor of Science - Physics, Chemistry, Mathma
University Of Gorakhpur