Кирило

Kirill Davydov
Flutter engineer
ƒ [відкрити контакти](див. вище в блоці «контактна інформація»)
# [відкрити контакти](див. вище в блоці «контактна інформація»)
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Summary
Flutter Developer with 2+ years of commercial experience delivering cross-platform apps used by real users on iOS and
Android.
Designed application architecture from scratch and led feature development end-to-end — from technical proposals to
production delivery.
Focused on scalable, maintainable products using Clean Architecture, modern state management (BLoC, Riverpod),
and strong ownership across the full mobile development lifecycle.

Skills
Flutter & Dart: Flutter, Dart, Null Safety, Async (Future, Stream), Isolates, Animations

State Management: Provider, BLoC, Riverpod

Architecture: Clean Architecture, SOLID, DRY, Feature-based structure; app setup from scratch

Networking & Data: REST APIs, WebSocket, Dio / http

Local Storage: Hive, SQLite

Firebase: Authentication, Firestore, Cloud Messaging (FCM), Crashlytics, Analytics

Testing: Unit tests, Widget tests, Integration tests

Platform Integration: Platform Channels (basic)

Deployment: App Store & Google Play — release builds, signing, submission

Tools & Workflow: Git, CI/CD (GitHub Actions), Scrum

Experience

Flutter Developer September 2023 – March 2026
Cleveroad · Remote
Outsource company delivering cross-platform Flutter/Dart applications for iOS, Android, and Web.
Worked in teams of 11–12 members alongside Mobile Developers, Web Developers, UI/UX Designer, Business
Analyst, Solution Architect, Project Manager, DevOps Engineer, and QA Engineers.
Followed Scrum with two-week sprints, planning, demos, and retrospectives.
Responsibilities
• Designed and bootstrapped Flutter app architecture from scratch using Clean Architecture and BLoC;
• Integrated RESTful APIs, WebSocket connections, Firebase Services, and push notifications;
• Maintained offline-first functionality with Hive/SQLite and background sync;
• Managed App Store and Google Play release builds, signing, and submission;
 • Wrote unit, widget, and integration tests;

Achievements
• Implemented offline-first sync via Hive and flutter workmanager;
• Optimized realtime data delivery via WebSocket Streams and RxDart, eliminating update delays;
• Redesigned FCM push notifications with personalized triggers, increasing retention and engagement by
∼15–20%;
• Built user progress visualization with fl chart and Lottie animations, improving UX and analytical value;

Projects

Yourstotell
Private Social Network for Families · iOS, Android · Flutter
Designed and built the app architecture from scratch. Ads-free cross-platform social networking app with a
custom-built Family Tree module, tiered content system, and in-app subscriptions. Implemented OAuth2 sign-in,
real-time feed updates via WebSocket, and Lottie-powered onboarding animations.

Appointment Management System (NDA)
In-Home Care Platform · iOS, Android · Flutter
Appointment management system for home nursing care with a mobile app for healthcare providers and an admin
panel. Built with HIPAA compliance, AES-256 encryption, and JWT-based authentication with refresh token
rotation.

Education

Odesa I. I. Mechnikov National University
Bachelor of Arts in Applied Mathematics · Aug. 2021 – May 2025