Dharmendra Kumar
Senior Mobile Architect & .NET MAUI/Xamarin Expert
Stockholm, Sweden 16272
(+46) 764447697
dharmendra.hbti@hotmail.com
linkedin.com/in/kumardh
github.com/dharamhbtik
Play Store Developer (20+ published apps)
Professional Summary
Senior Software Engineer & Mobile Architect with 16+ years of proven expertise in designing and developing enterprise-grade mobile and web applications. Specialized in .NET MAUI, Xamarin Forms/Native, ASP.NET Core, and Blazor (WASM & Server). Hands-on production experience architecting reusable components, cross-platform mobile solutions, and modernizing legacy stacks. Mobile architect for enterprise apps supporting iOS and Android platforms with 10+ published applications. Expertise in microservices architecture, cloud solutions, API design, database optimization, and enterprise security patterns. Certified CMMI Associate with strong track record in team leadership, process improvement, and mentoring.
Published Applications (iOS & Android)
Clobas App - Multi-platform
Business management application built with .NET 9 MAUI for iOS and Android
SSICA App - Community
Official association application using Xamarin Forms for iOS and Android
Focus Builder - Productivity
Productivity and task management app for iPadOS using Xamarin.iOS native
BrainPro Eye Training - Educational
Cognitive training application using Xamarin Forms cross-platform
Personal Developer Portfolio
7+ published applications on Google Play Store demonstrating diverse portfolio
Certifications & Training
- Certified CMMI Associate (V 2.0) - Capability Maturity Model Integration
- ASP.NET Core Razor Pages (.NET 8) - Advanced Training
- Blazor Web Framework (.NET 8) - Full Stack Development
- C# Advanced Topics - Language Mastery
- Microsoft Technology Associate (MTA) - Multiple certifications
- Kotlin Developer Course - Android Development
- Developing Secure Software - OWASP & Security Patterns
- Gradle Build System Fundamentals
- Mastering Xamarin Forms - Advanced Mobile Patterns
- Python for C# Developers - Cross-language expertise
- Google Go (Golang) Programming
- Dependency Injection in C# - Enterprise Patterns
- C# with Windows Forms and SQL Server
- Complete Xamarin Developer Course - Comprehensive
- MVVM Architecture in Xamarin Forms
Education
Harcourt Butler Technical University
B.Tech. Computer Science and Engineering (2004–2008)
CGPA: 66.98%
Jawahar Navodaya Vidyalaya (CBSE Board)
Higher Secondary Certificate (HSC) - 2003
Score: 79.8%
Jawahar Navodaya Vidyalaya (CBSE Board)
High School Certificate - 2001
Score: 84.9%
Languages
English - Professional Fluency
Business & Technical
Hindi - Native Proficiency
Native Speaker
Technical Skills & Expertise
Core Mobile Technologies
- .NET MAUI - Cross-platform iOS/Android development (Expert)
- Xamarin Forms - Enterprise mobile apps (Advanced)
- Xamarin Native - iOS and Android native integration (Advanced)
- Xamarin.iOS - Native iOS development with C#
- Android Development - Kotlin, Java, native Android
Web & Cloud
- ASP.NET Core - Modern web framework (Expert)
- Blazor - WASM & Server-side (Advanced)
- Web API - RESTful services design & development
- Microservices Architecture - Distributed systems
- Cloud Solutions - Azure integration & deployment
Programming Languages
- C# - Primary language (Expert, 16+ years)
- VB.NET - Enterprise legacy applications
- Dart - Flutter development (basics)
- Kotlin - Android development (basics)
- JavaScript - Web frontend
- PHP - Web backend
- Python - Cross-language development
- Go (Golang) - Cloud services
- Perl - Legacy systems
Database & Data
- MS SQL Server - Database design & optimization
- MySQL - Relational database management
- Crystal Reports - Advanced reporting
- Database Performance Tuning
- Entity Framework Core - ORM expertise
Frameworks & Architectural Patterns
- MVVM (Model-View-ViewModel) - Advanced implementation
- PRISM Framework - Complex module management
- CAB (Composite Application Block) - Enterprise patterns
- Dependency Injection - IoC containers & patterns
- WCF - Windows Communication Foundation
- WPF - Windows Presentation Foundation
- Windows Forms - Legacy & modern applications
DevOps & Tools
- GitHub - Version control & collaboration
- Team Foundation Server (TFS)
- Bitbucket - Git repository management
- GitLab - DevOps platform
- Jira - Project management & tracking
- IIS - Internet Information Services
- Microsoft AppCenter - CI/CD & distribution
- Firebase - Backend services & analytics
Security & Quality
- OWASP Top 10 - Security vulnerabilities
- Secure Code Warrior - Security training certified
- Code Review & Quality Assurance
- Application Security Testing
- CMMI V2.0 - Process improvement
App Store & Distribution
- Google Play Store - Publication & optimization
- Apple App Store - App Store Connect experience
- TestFlight - Beta testing & distribution
- App Store Optimization (ASO)
- Microsoft Visual Studio - Windows & Mac
- Microsoft Visual Studio Code
- Android Studio - Android development IDE
Operating Systems & Platforms
- Windows - Desktop development & administration
- Linux - Server & cloud deployment
- macOS - iOS development & testing
- iOS - Apple ecosystem development
- Android - Google ecosystem development
Professional Experience (16+ Years)
Dec 2022 – Present (3+ years)
Associate Consultant | Mobile Architect — Tata Consultancy Services
Confidential - Enterprise mobile solutions
- Architected and led .NET MAUI migration from Xamarin Forms, achieving 40%+ performance improvement and enhanced maintainability
- Optimized app performance through advanced profiling, memory management, and platform-specific optimizations
- Designed reusable component library using MVVM pattern with Dependency Injection for enterprise scalability
- Implemented cross-platform features supporting iOS and Android with native integrations
- Mentored junior developers on MAUI best practices, async/await patterns, and secure coding
- Evaluated and adopted emerging frameworks (Flutter, React Native) through technical POCs
- Participated in training programs and hackathons to maintain cutting-edge technical expertise
Sep 2020 – Nov 2022 (2 years)
Consultant — GlobalLogic India Private Ltd.
SEI (Special Education & Intervention) - Educational platform for USA schools
- Designed and developed enterprise web application supporting 100+ schools in USA for student management and intervention tracking
- Built RESTful Web APIs using ASP.NET Core for mobile app and frontend integration
- Implemented advanced Crystal Reports for educational analytics and compliance reporting
- Developed Windows Service for background job processing and automated data synchronization
- Certified CMMI Associate (V2.0) and served as Appraisal Team Member (ATM) for organizational process audits
- Led implementation of CMMI V2.0 process improvements across GlobalLogic teams
- Mentored team members on secure coding practices and enterprise patterns
- Contributed to quality assurance and process streamlining initiatives
Apr 2013 – Sep 2020 (7+ years)
Team Lead — Fiserv India Private Ltd.
Galaxy Product Suite - Credit Union Solutions (50+ clients, millions of transactions)
- Led development team as Technical Team Lead for Galaxy core teller system supporting credit unions across USA
- Architected chatbot solution reducing support queries by 30-60% and boosting productivity 10-20%
- Designed and maintained Classic Windows Forms application with CAB Architecture for enterprise scalability
- Implemented complex Crystal Reports for financial reporting and member statements
- Developed Xamarin Forms mobile application extending Galaxy to mobile platforms
- Optimized Infragistics Ultra Win Controls for complex UI requirements and performance
- Conducted code reviews, design discussions, and mentored junior developers
- Collaborated with Business Analysts and QA teams for quality assurance and feature enhancements
Jul 2011 – Mar 2013 (2 years)
Software Engineer — CSC India Private Ltd.
Agency Link Platform - Property & Casualty Insurance Domain
- Developed insurance quotation engine enabling agents to generate policy quotes
- Designed and implemented comprehensive defect dashboard for release management and quality analytics
- Built ASP.NET & C# backend services for quote generation and policy management
- Created XAML-based UI for rich user experience in Windows environment
- Implemented XSLT transformations for complex data formatting and reporting
- Collaborated with domain experts to understand insurance workflows and business requirements
Sep 2008 – Jul 2011 (3 years)
Software Engineer — Patni Computer Systems
Portfolio Management Financial Product - Fresh Graduate Entry
- Joined as fresher and rapidly developed expertise in financial systems development
- Contributed to portfolio management system enabling customers to manage investment portfolios
- Implemented cash transfer and fund management features using ASP.NET and C#
- Self-taught Perl programming in 1 month and completed complex requirements, preventing additional resource costs
- Developed financial data processing components using Perl for legacy system integration
- Gained foundational expertise in MS SQL Server and database design
- Participated in financial domain training and knowledge transfer sessions
College Project & Research
Proxy Server Implementation & Internet Usage Analytics
- Architected and deployed enterprise proxy server solution preventing unauthorized website access in college network
- Implemented internet traffic monitoring and behavioral analytics system for student internet usage patterns
- Built PHP/MySQL dashboard for administrators to monitor, analyze, and control bandwidth usage
- Configured Squid Proxy Server for network filtering, caching, and access control
- Created automated reporting system tracking daily internet usage by student, department, and time period
- Implemented network security policies reducing unauthorized access and improving network efficiency
- Successfully deployed system across Computer Science Department serving 500+ students