Michał Boryczko
Senior Mobile Software Engineer
Senior Android Developer with 6+ years building high-quality mobile applications and 8+ years in software engineering. Passionate about clean architecture, modern Android development, and continuously pushing the boundaries of what's possible on mobile.
6+
Years Android
8+
Years in IT
5
Companies
Crafting Mobile Experiences That Matter
Passionate about Android development with a focus on quality, performance, and clean architecture.
I'm a Senior Android Developer with over 6 years of hands-on experience in building, optimizing, and maintaining high-quality Android applications. With a total of 8 years in IT, I have a strong background in software development and design patterns. My expertise spans across Kotlin, Android SDK, and modern development patterns. I am passionate about constantly staying updated with the latest Android trends and best practices.
Throughout my career, I've worked across fintech, healthcare, and various consumer-facing sectors — always bringing the same commitment to code quality, user experience, and technical excellence. From building medical Bluetooth integrations to delivering compliance features for a leading UK investment platform, I thrive on complex challenges.
Mobile-First Engineering
Deep expertise in native Android development using Kotlin, Jetpack Compose, and the modern Android stack.
Architecture & Design
Strong advocate for MVVM, MVI, and Clean Architecture patterns that make codebases scalable and maintainable.
Quality-Driven Development
Committed to writing testable code backed by unit and integration tests, and maintaining high code quality standards.
Fintech & Healthcare Experience
Delivered production apps in highly regulated industries — financial services and digital health.
Professional Journey
From testing to senior engineering — a decade of growth in mobile and software development.
HL Tech (Hargreaves Lansdown)
Member of a feature squad team for a British fintech Android application serving hundreds of thousands of investors. Responsible mainly for building new features for regulatory compliance, as well as refactoring and general maintenance of the application.
- Delivered regulatory compliance features for a high-stakes British fintech platform
- Collaborated in a well-organised Scrum team following industry best practices
- Involved in both feature development and codebase quality improvements through refactoring
- Maintained and improved a large-scale Android application used by hundreds of thousands of users
Telemedi.co
100% remote Android developer in charge of choosing proper tools and applying solutions for complex business problems — developing medical applications connected with Bluetooth devices, video streaming, and online payments.
- Built medical applications from scratch connected with Bluetooth devices
- Implemented video streaming and online payment integrations
- Maintained current systems used by thousands of users
- Worked fully remotely, autonomously managing complex technical decisions
Altconnect
Developed native Android applications using Java and Kotlin. Built a range of applications from small solo projects to larger team collaborations.
- Developed apps using RxJava, Dagger, Retrofit, and Room
- Built apps integrated with Google Maps and mobile web shops
- Created offline-first apps, chat apps, and more
- Contributed to a larger international project connected with Camera API
Ready 4S
Prepared and executed test cases according to specifications. Wrote automatic tests in Java using the Espresso framework.
- Wrote and maintained automated UI tests using Espresso
- Executed test cases according to specifications
- Technologies: Java, JUnit, Espresso
Comarch
Responsible for writing and maintaining automatic tests in Java, preparing and executing test cases for enterprise software.
- Maintained automatic test suites in Java
- Used Jenkins for continuous integration
- Technologies: Java, JUnit, WicketTester, Jenkins, SVN, SoapUI
Technology Stack
The tools and technologies I use to build high-quality Android applications.
Mobile Development
Android Jetpack
Architecture
Networking
Testing
Tools & Platforms
Professional Projects
Key projects delivered throughout my career, from fintech compliance to medical applications.
Hargreaves Lansdown Android App
Feature squad development for one of the UK's largest investment platforms. Focused on building regulatory compliance features and maintaining the high-quality Android experience for hundreds of thousands of investors.
Medical Telemedicine Platform
Built medical applications from scratch, including Bluetooth device integrations for monitoring, video consultation streaming, and online payment flows for thousands of users.
Multi-Platform Android Applications
Developed a portfolio of native Android applications including Google Maps integrations, offline-first experiences, e-commerce mobile web shops, real-time chat apps, and a large-scale Camera API project.
My Own Apps
Apps I've built and published independently — from retro gaming to upcoming commercial projects.
Watch Retro Games
GamingA curated collection of classic retro games reimagined for Apple Watch. Play iconic games directly on your wrist — designed with native watchOS APIs for a smooth, responsive gaming experience.
📸 Screenshots coming soon
Commercial Project (Coming Soon)
ProductivityA new mobile application currently in development. Details will be shared upon launch — stay tuned for updates.
More projects in development — check back soon.
Academic Background
Computer Science degrees from two of Poland's leading technical universities.
Master of Computer Science
Computer Science
Cracow University of Economics
Bachelor of Computer Science
Computer Science
Cracow University of Technology
Get In Touch
Open to senior Android roles, interesting mobile projects, and consulting opportunities.
Location
Poland (Remote-friendly)
Let's build something great together
Whether you're looking for a senior Android engineer to join your team, or you have an interesting mobile project — I'd love to hear about it.
- Senior Android / Mobile roles
- Fintech & healthcare platforms
- Kotlin & Jetpack Compose projects
- Remote-first teams