Nikita Barantsev, Flutter Developer

Flutter Developer at Muka Team

Responsibilities:

• —Architecture and MVP development: application layers, package stack, ui_kit;
• —Feature planning and requirements refinement: identifying and closing gaps in specs and UX scenarios;
• —Integration of payments, push notifications, analytics/metrics and third-party services;
• —Build, environments and releases setup (Makefile, fastlane, app stores);
• —Quality and UX: network error handling, shimmers and user hints.

Achievements:

• —Launched the “Flour and Order” MVP from scratch and delivered it to App Store, Google Play, RuStore and AppGallery;
• —Designed a scalable architecture with a ui_kit, simplifying further product development;
• —Automated builds and releases with Makefile + fastlane, reducing time-to-release;
• —Added shimmer skeletons and animated hints, improving onboarding and user engagement;
• —Implemented connectivity control (internet_connection_checker + interceptor), reducing errors caused by unstable internet.

Application:

Мука и Порядок order planner for confectioners

Flutter Developer at NaN Agency

Responsibilities:

• —Architecture and design of MVP/features: application layers, package stack, ui_kit;
• —Requirements and API refinement together with the backend team: aligning on data formats, error scenarios and integration with third-party services;
• —Development of complex interfaces and domain features (property schemes, catalog, cart, search, maps);
• —Performance and stability: profiling, optimization, reducing crashes;
• —Builds and releases: environments, automation (Makefile, fastlane, GitLab CI/CD), publishing to app stores.

Achievements:

• —Increased crash-free rate from ~59% to 99% (AppMetrica) by fixing critical crashes;
• —Designed and implemented an MVP from scratch, laying a scalable architecture;
• —Delivered key visual features for real estate: building grid, floor screen and interactive master plan based on CustomPainter;
• —Improved screen load times by optimizing image loading/caching and adding shimmer skeletons;
• —Set up GitLab CI/CD and automated releases (Makefile + fastlane), reducing time-to-release;
• —Integrated SearchBooster and DaData, strengthening catalog search and form handling.

Projects I worked on for an extended period:

Realt One app for realtors

Novex app for a network of household stores