Олег Veteran

Shyshka Oleh, Senior Software Developer
Phone: [open contact info](look above in the "contact info" section)
Email: [open contact info](look above in the "contact info" section)
Location: Ukraine, Germany
LinkedIn: [open contact info](look above in the "contact info" section)
Languages: Ukrainian — Native, English — C1, German — A1

SUMMARY
Senior Software Engineer with strong expertise in .NET(C#) and Android development, combining enterprise,
startup, and real-time systems experience. Founder and Lead Developer of a production platform with 20,000+
downloads and large-scale full-text search (200GB+ of data). Proven track record in building scalable, secure
applications, leading engineering teams, and delivering high-impact solutions in enterprise, healthcare, and
safety-critical domains.

TECHNICAL SKILLS
Backend:
• C# / .NET, ASP.NET Core, Web API
• REST API design, authentication and authorization, Microservices architecture
• Entity Framework, Redis, Hangfire, SignalR, RabbitMQ

Web:
• JavaScript, TypeScript
• Angular, Angular Material
• Blazor WebAssembly, MudBlazor

Desktop:
• WPF, WinForms

Mobile:
• Android: Kotlin, Java, Jetpack Compose
• Cross-platform: Xamarin, Kotlin Multiplatform
• Dependency Injection: Dagger2, Koin
• Android Enterprise, Samsung Knox SDK, DJI SDK, Coroutines, Retrofit, Room
• Firebase: Authentication, Cloud Messaging (FCM), Analytics, Crashlytics, Cloud Firestore

Databases:
• Relational: PostgreSQL, MS SQL Server
• NoSQL: MongoDB, Elasticsearch, Realm

Cloud & DevOps:
• Azure: Functions, Blob Storage, SQL Database, Service Bus
• Azure DevOps: Pipelines, Repos

Additional:
• Blockchain: Ethereum, ERC20, Smart Contract integration, Web3j
• Docker, Git
WORK EXPERIENCE
CONSOFT – SENIOR .NET DEVELOPER
UKRAINE | FEB 2026 – PRESENT
Large-scale government technology ecosystem for border management, queue control, and related public
services, consisting of multiple interconnected projects and services.
• Developed and maintained distributed microservice-based systems for government services
• Designed and implemented backend services using C# / .NET and REST APIs
• Worked with RabbitMQ for asynchronous communication and event-driven architecture
• Developed and maintained shared internal NuGet packages used across multiple services
• Optimized performance, reliability, and scalability of backend services
• Collaborated with cross-functional teams across multiple projects in the ecosystem
• Participated in code reviews, technical planning, and system design discussions
• Worked with large enterprise-level systems handling high-load operational workflows
• Contributed to secure and maintainable solutions for border and queue control processes

COURTCONTROL — FOUNDER & LEAD DEVELOPER
STARTUP | 2020 – PRESENT
Platform for lawyers and attorneys to search, analyze, and receive notifications about court cases and
updates, built on open government data sources.
• Founded and led development of CourtControl, a multi-platform production product
• Released on Google Play, Apple App Store, Diia Portal, and Web
• 20,000+ downloads, 1,000+ active users
• Led a team of 10 people (Android, iOS, backend, QA, design)
• Android development using Kotlin and Jetpack Compose
• Backend development using C# / .NET, REST APIs, Elasticsearch
• Web frontend development using Angular (Material Angular)
• Designed and implemented full-text search over 200 GB+ of textual data.
• Optimized indexing and query performance for large-scale datasets

UADAMAGE — SENIOR SOFTWARE DEVELOPER
UKRAINE | CONTRACT — PROJECT-BASED | SEP 2025 – APR 2026
Real-time demining solution for detection of unexploded ordnance (UXO).
• Built an Android application for DJI remote controllers from scratch using Kotlin and the Android SDK
• Implemented real-time device control, telemetry processing, and low-latency data handling
• Integrated with DJI SDK for drone and remote controller interaction
• Implemented real-time H.264 video stream decoding and processing from drone cameras
• Collaborated closely with AI and embedded systems teams

MATRIX42 — SENIOR SOFTWARE DEVELOPER
GERMANY | SEP 2018 – AUG 2025
Enterprise Mobile Management (EMM) platform for remote device management, security policy enforcement,
Wi-Fi configuration, and application control for corporate customers.
• Worked on Android Management solutions covering both Android client and backend components
• Implemented Device Policy Controller (DPC) and Work Profile solutions for managed devices
• Integrated Android Enterprise features, including Zero-touch Enrollment using Kotlin and Java
• Worked with Samsung Knox and Android Enterprise APIs for device security and compliance
• Developed web admin UI using Angular for device management and monitoring
• Developed backend components using C# / .NET and ASP.NET MVC, Google EMM APIs
• Used Azure cloud services, including Azure SQL Database, Azure Service Bus, and Azure Blob Storage
• Contributed to enterprise security, compliance, and device management features
KLIKSOFT — SENIOR .NET DEVELOPER
USA | CONTRACT — PROJECT-BASED | FEB 2022 – APR 2023
Healthcare platform serving 10,000+ patients, focused on modernization and migration to a cloud-based SaaS
solution.
• Contributed to the transformation of a healthcare platform from legacy Delphi applications to a modern .NET-based
SaaS architecture using C#, Web API, Entity Framework, and PostgreSQL
• Developed backend components and supported system modernization within a .NET Core environment
• Improved system scalability, security, and overall reliability
• Implemented real-time features and integrations, including SignalR and Stripe payment processing
• Collaborated with distributed teams in an international environment

MINISTRY OF DEFENSE OF UKRAINE — SOFTWARE DEVELOPER
SCIENTIFIC RESEARCH INSTITUTE | UKRAINE | JUN 2011 – SEP 2018
Research and development projects in the government security domain.
• Developed software solutions for secure data processing and protection
• Worked on data encoding techniques, including cryptography and steganography approaches
• Built desktop and mobile applications using C# and Xamarin
• Build Web Applications using C# and Angular
• Participated in research-driven development and prototyping
• Collaborated with multidisciplinary teams in a regulated, security-focused environment

CHARGEHUB — ANDROID DEVELOPER (FREELANCE)
USA | FEB 2017 – FEB 2018
Android application for electric vehicle charging, leveraging blockchain technology and smart contracts for
automated and secure payment workflows.
• Developed an Android application with blockchain integration for secure and efficient transaction processing
• Implemented background services and asynchronous processing
• Integrated Ethereum blockchain features using Web3j
• Worked with ERC20 smart contracts
• Integrated Google Maps for location-based features

NICEHASH VIEWER — ANDROID DEVELOPER (PERSONAL PROJECT)
JUN 2017 – SEP 2017
Android application for monitoring cryptocurrency mining operations, providing real-time status, performance
metrics, and alerts.
• Built and released a production Android application published on Google Play
• Achieved 150,000+ downloads
• Implemented real-time monitoring and notification features
• Application is no longer actively supported
Link: https://play.google.com/store/apps/details?id=com.ethersoft.nicehashviewer

CYBER BIONIC SYSTEMATICS — INSTRUCTOR
UKRAINE | 2014 – 2015
• Delivered training course “Xamarin.Android for Beginners”
• Taught Android fundamentals and cross-platform mobile development
• Mentored students and supported hands-on learning

EDUCATION
National Aviation University
Specialist Degree | 2006 – 2011