12/17/2025 updated
100 % available
Senior Mobile Application Developer & Agile Coach
Dubai, United Arab Emirates
Worldwide
Bachelor of Science, Computer ScienceAbout me
Veteran Android Application Developer and Agile coach with 20+ years of experience delivering innovative mobile solutions for USA-TX based employer. Proficient in modern Android frameworks, with a proven track record of leading high-impact projects and adapting to evolving technologies.
Zebra (Programming Language)Java (Programming Language)Agile MethodologyAndroid StudioAtlassian JiraC Sharp (Programming Language)Mobile Application SoftwarePython (Programming Language)Project ManagementMicrosoft Visual StudioMicrosoft SQL ServersTeam Foundation ServerVisual Basic .NET (Programming Language)NumPySQLite
Languages: Java, C#, VB.Net, SQL, SQLite, SQL-CE, XML, CPCL, Python (Numpy, Pandas, Scikit in progress), Kotlin (in progress)
Software: Android Studio, MS Visual Studio, MS SQL Server, MS-Team Foundation Server, Postman, SQLite DB Browser, MS Office, Jira Project Management, Void IDE, Msty 1.9.2, Ollama 0.1.17, Git, Pycharm 2025.2.1.1
Hardware: 2T N5-Z1 Rugged Mobile Terminal, Casio IT- 9000 55E, Honeywell Dolphin 70E, Motorola MC-75A / 9090, Zebra ZQ510 / MZ320 / QL420 Mobile Printers
Experience
Professional experience5 - 10 years
Freelancer since2014
Languages
GermanBasic knowledgeEnglishNative speaker
Project history
-Achieved recognition for 20 years of dedicated service, contributing significantly to project success and team morale.
-Developed and implemented comprehensive Agile training that enhanced team collaboration and productivity through effective techniques such as Daily Standups, Sprint execution, and User Story generation.
-Senior Android Application Developer designed mobile parking enforcement solution in Java & SQLite with approx. 77k lines of code with comprehensive parking enforcement capabilities.
-Streamlined parking enforcement data synchronization by implementing Restful API client-side via JSON resource representation, reducing customer support issues by 25%.
-Implemented server-side TickeTrak Parking Solution data synchronization End-Points, Controllers & Models in C# utilizing MVC architecture.
-Integrated Parking Rights management API for parking vendors; ParkMobile, Flowbird, PaybyPhone, Passport, LukeIris, Parkeon & Offstreet.
-Enhanced application exception management for improved customer service support though Firebase - Crashlytics integration.
-Reduced client to server large image data synchronization duration by 50%.
-Designed proof-of-concept application for QR code generation and printing, utilizing 2T Mobile SDK & Zebra-CPCL.
-Boosted team productivity by 30% through Agile training covering Daily Standups, Sprint execution, and User Story generation.
-Awarded 10 years of outstanding employment.
-Programmed and deployed parking enforcement applications in C#, VB.Net, and MS-SQL while conforming to restrictive mobile device specifications. Parking Enforcement apps. are WinCE .Net based with approx. 25,000+ lines of code utilizing Microsoft Smart Factory Framework, custom controls, Motorola/Honeywell/Trimble/Casio SDK's, etc. and consisting of image capture, wireless printing, and parking management capabilities designed specifically for parking enforcement agencies.
-Developed SOAP & REST based secure web services for integration with third parties (Ellucian/Sunguarde Banner, Park Mobile, Genetec, and Southern Time/3M) .
Maintained and augmented UPS Trackpad HPC, an asset tracking proprietary software of United Parcel Service in eVC++ 4.0.
-Utilized Object Inheritance, Encapsulation, custom methods to enhance & improve existing code.
-Designed and applied MS-SQL Tables, Jobs, Stored Procedures and Triggers in MS-SQL to support client application functions and ensure integrity of user data.
-Deployed applications to and coordinated with personnel at City of Montana Police Department, Mississippi State University Police Department, Emory University - Atlanta, etc.