Nadya Bryzgalova
Verified Expert in Engineering
Jetpack Compose Developer
Budva, Budva Municipality, Montenegro
Toptal member since March 19, 2014
Nadya is a highly productive Android developer who excels in quality and detail. She is proficient in Kotlin, Jetpack Compose, and GraphQL and delivers efficient, well-structured solutions. With experience spanning big tech, startups, and consultancy, Nadya contributes to diverse projects. Her strengths lie in refactoring, performance optimization, and modern architecture adoption. She is a strong team player with excellent cross-team collaboration skills, always focused on delivering results.
Portfolio
Experience
- Android - 12 years
- Java - 9 years
- JSON - 5 years
- SQLite - 5 years
- Kotlin - 4 years
- Jetpack Compose - 4 years
- C# - 3 years
- Microsoft SQL Server - 3 years
Availability
Preferred Environment
Android Studio, Kotlin, Jetpack Compose, GraphQL, Java
The most amazing...
...thing I've worked on is a global social network, where I built and refactored safety features, improved the UI, adapted the code to a modern stack.
Work Experience
Android Developer (via Toptal)
Toptal Clients
- Developed Android applications for various projects, including social networks, multimedia, and healthcare.
- Contributed to corporate projects by fixing bugs and implementing new features.
- Built and optimized Android applications for startups.
- Led the conversion of iOS applications to Android, ensuring platform consistency and performance.
Senior Android Expert
Reddit, Inc.
- Developed multiple safety features to enhance user protection, ensuring a more secure platform experience.
- Migrated existing features to a modern tech stack, aligning with industry best practices.
- Collaborated with cross-functional teams to deliver impactful features on schedule. Resolved critical bugs and stability issues, contributing to a smoother user experience.
Android Developer
R&D Arts
- Developed modules and fixed bugs for a social networking app with video chat functionality.
- Worked extensively with video streaming, animations, and UI improvements.
- Designed and implemented UI components, integrated Google Maps, and resolved bugs for an Android booking application.
- Created an augmented reality application that aggregated data from major social networks, integrated Google Maps for geolocation, and utilized OpenCV for object recognition.
Lead C# Developer and Architect
NTR LAB
- Took part in the development of architecture and base mathematical algorithms. Integrated various frameworks. Developed different modules in an oil engineering CAD.
- Developed a game concept and drove the game through the Android development cycle from idea to publishing.
- Developed system architecture, coordinated a team of 2-3 developers, wrote basic algorithms for fuzzy search, and took part in the development of main modules for a person screening system.
- Developed an Android back-end version. Developed the first version of the website, including game design and public speaking. Worked with investors and co-founders.
- Created a data layer for an Android application to create collaborative notes.
Delphi Developer
IndorSoft
- Developed the visualization of engineering communications and small architectural forms.
- Programmed a computer-aided solution for engineering tasks.
- Developed modules for road marking design and calculation.
Experience
Mobile Inspection App – Android Development
• Offline mode support for seamless operation without internet access.
• Photo and note documentation for inspection findings.
• Signature capture for inspectors and attendees with timestamps.
• Automated email notifications for failed inspections.
• Audit tracking with issue resolution and hazard escalation for corrective actions.
The Ultimate Hip-hop Music App to Discover and Share New Tracks
• Daily updates with new releases from hip-hop, R&B, and EDM artists.
• A top songs section ranking the hottest tracks by day, week, month, and all-time.
• A trending section showcasing the most popular music and videos.
• Streaming and downloading of hip-hop and R&B mixtapes.
• A video hub with exclusive interviews, live performances, and behind-the-scenes content.
Digital Persona Social App – Android Development
• Rich media content support for engaging profiles.
• Custom contact organization and sharing settings.
• Phone authentication for secure access.
• Seamless contact synchronization with the phone book.
Physical Activity Game: PepUp!
Education
Master's Degree in Computer Science
Tomsk State University - Tomsk, Russia
Skills
Libraries/APIs
Android API, REST APIs, Google Maps, X (formerly Twitter) API, Facebook API, Retrofit, DirectX, AndroidX, Camera API, YouTube API, YouTube Android Player API, Accelerometers, OpenCV, Google Maps API
Tools
Android Studio, Eclipse IDE, Git, Bitbucket, GitHub, Jira
Languages
Java, Kotlin, C#, GraphQL, Delphi, Objective-C
Frameworks
Android SDK, .NET, Dagger
Paradigms
Mobile Development, Agile Software Development, Unit Testing, Test-driven Development (TDD), UI Design, Best Practices in Design, Gamification, REST, Agile
Platforms
Android, Mobile, Eclipse, Firebase, Parse, iOS, Bitrise
Storage
JSON, SQLite, Microsoft SQL Server
Other
Push Notifications, Jetpack Compose, Large-scale Projects, Consumer-facing Products, Pixel Perfect, Software Architecture, Architecture, Doubango VoIP, Social Networks, Navigation, Location Services, Music, Search, Videos, Ads, Algorithms, Data Structures, Software Development, Computer Architecture, Complex Problem Solving, Mathematics, Mathematical Analysis, Applied Mathematics, Large Networks, MVVM-C
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