Nadya Bryzgalova, Developer in Budva, Budva Municipality, Montenegro
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Nadya Bryzgalova

Verified Expert  in Engineering

Jetpack Compose Developer

Budva, Budva Municipality, Montenegro

Toptal member since March 19, 2014

Bio

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

Toptal Clients
Best Practices in Design, Social Networks, Firebase, Parse, Objective-C, iOS...
Reddit, Inc.
Kotlin, Android, Java, Jetpack Compose, GraphQL, REST, Large-scale Projects...
R&D Arts
Doubango VoIP, X (formerly Twitter) API, Facebook API, Google Maps, Android API...

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

Part-time

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)

2014 - PRESENT
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.
Technologies: Best Practices in Design, Social Networks, Firebase, Parse, Objective-C, iOS, Java, Android, Android API, Large-scale Projects, Kotlin, Jetpack Compose, Consumer-facing Products, GraphQL, Android SDK, Android Studio, Agile Software Development, Push Notifications, Git, GitHub, Unit Testing, Ads, Pixel Perfect, UI Design, Mobile, Software Architecture, Mobile Development, Architecture, Retrofit, Dagger

Senior Android Expert

2021 - 2025
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.
Technologies: Kotlin, Android, Java, Jetpack Compose, GraphQL, REST, Large-scale Projects, Large Networks, Test-driven Development (TDD), MVVM-C, Agile, Jira, Bitrise, Firebase, Android SDK, Android Studio, Agile Software Development, Git, GitHub, Unit Testing, Pixel Perfect, UI Design, Mobile, Mobile Development

Android Developer

2012 - 2015
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.
Technologies: Doubango VoIP, X (formerly Twitter) API, Facebook API, Google Maps, Android API, Java, Consumer-facing Products, OpenCV, Google Maps API, Android SDK, Android Studio, REST APIs, Agile Software Development, Git, GitHub, Eclipse IDE, Eclipse, Pixel Perfect, UI Design, Mobile, Software Architecture, Mobile Development, Architecture, Retrofit, Dagger

Lead C# Developer and Architect

2008 - 2012
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.
Technologies: Android API, Java, C#, .NET, Large-scale Projects, Consumer-facing Products, Android SDK, REST APIs, Microsoft SQL Server, Agile Software Development, Eclipse IDE, Unit Testing, Eclipse, Mobile, Software Architecture, Mobile Development, Architecture

Delphi Developer

2005 - 2007
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.
Technologies: DirectX, Delphi, Large-scale Projects, Consumer-facing Products

Experience

Mobile Inspection App – Android Development

I developed the Android version of a mobile inspection app that allows users to create custom checklists for various inspections, including hazard assessments, equipment maintenance, and safety permits. Key features include:
• 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

I developed the Android version of a hip-hop music discovery app from scratch based on an existing iOS prototype. The app enables users to explore and share the latest singles and mixtapes with key features, including:

• 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

I developed the Android version of a social app that allows users to create and manage a digital persona for others to connect with and follow. The app includes:
• 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!

PepUp is a social mobile game that encourages physical activity. I developed the Android version and built the back end from scratch. Players move with their device to earn points, which can be used to upgrade their character. The game also features challenges, allowing users to compete with friends based on their physical activity.

Education

2001 - 2006

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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