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Summary

Expertise

Project Highlights

Education

Agency

YS

English:

Upper Intermediate

Yaroslav S.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Expert Flutter Developer

Experienced Senior Flutter developer with a proven track record of creating high-performance, visually appealing cross-platform applications. Proficient in Dart programming language and well-versed in utilizing the Flutter framework to develop robust mobile, web, and desktop solutions. I have a strong understanding of UI/UX principles, code optimization, and software architecture. Adept at collaborating with cross-functional teams and delivering projects on time. Continuously stay updated on industry trends and technologies. I excel in problem-solving and providing innovative solutions to enhance application functionality and user experience.

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Check if Yaroslav is available

Expertise

Years of commercial development experience

6 years of experience

Core technologies

Flutter 6 years
DART 6 years
Firebase 5 years
REST Api 4 years
WebSockets 3 years

Other technologies

Agile
Socket.IO
Stripe
Git
Mobile
Scrum
GraphQL

Project Highlights

icon
Flutter developer

Under NDA

Jul `23 - Jan `24

6 months

Business management app & website admin panel.

Responsibilities & achievements

• Resolving critical issues. • Implementing new functional. • App optimisation. • Code refactoring.

Firebase Realtime Database
Flutter
Firestore
Firebase
icon
Flutter developer

Under NDA

Dec `22 - Jul `23

7 months

Ukrainian “Dia” analogue.

Responsibilities & achievements

• Controlling the app development process. • Discovering new requested technologies. • Resolving critical issues. • Integrating universal links/applinks handling.

Stripe
Git
Flutter
GraphQL
Firebase
icon
Flutter developer

Under NDA

Nov `21 - Dec `22

1 year

Social network application.

Responsibilities & achievements

• App optimization and bug fixing (e.g., navigation, state management). • Creating app architecture and app UI. • Integrating RestAPI calls into the app, universal links/app links handling. • Set up CI/CD on Codemagic and iOS/Android store management. • Developing a complex chat feature with groups, one-to-one, custom message types, and roles. • Developing a stories feature like Instagram stories. • Developing custom animations. • Resolving system (front-end, back-end, mobile) problems and providing “features” solutions.

Socket.IO
Stripe
RESTful API
Flutter
Firebase
icon
Flutter developer

Under NDA

Mar `21 - Oct `21

7 months

Flutter Web application that helps customers and contractors in the full cycle of project estimation, cost, and features analysis.

Responsibilities & achievements

• Developing a Flutter Web Application. • Creating app architecture and app UI. • Integrating RestAPI calls into app.

Git
Flutter
Firestore
Firebase
REST Api
icon
Flutter developer

Under NDA

Aug `20 - Feb `21

6 months

Flutter application that helps people track horse activity by setting up a guard (camera) or guards (a set of cameras) that is tracking horse actions. The user can check horse or stable (two or more horses) status, watch a live stream of a specific horse in case it is online, chat with the support team if anything goes wrong.

Responsibilities & achievements

• Developing a Flutter Application. • Creating app architecture and app UI. • Integrating RestAPI calls into app.

Flutter
Firestore
Firebase
REST Api
icon
Flutter developer

Under NDA

Dec `19 - Jul `20

7 months

Flutter application that allows people to create their family tree unless it is already created; otherwise, join an existing family that can be found by allowing access to the contact or by invitation. Joined users can message each other by creating one-to-one or group chats or communicate in auto-created family chats. Additionally, users can look for any information that is provided on the users profile page.

Responsibilities & achievements

• Developing a chat feature. • App optimization. • Bug fixing (e.g., push notification, state management). • Integrating Firebase calls into app.

Git
Flutter
Firestore
Firebase
icon
Flutter developer

Under NDA

Jul `19 - Nov `19

4 months

Service application.

Responsibilities & achievements

• Refactoring. • Functional improvements.

Git
Flutter
icon
Flutter developer

Under NDA

Oct `18 - Jun `19

8 months

Dating application. iOS: https://apps.apple.com/us/app/wow-ask/id1572673449 Android: https://play.google.com/store/apps/details?id=com.wowask

Responsibilities & achievements

• Creation from scratch with p2p video chat, real-time tic-tac-toe game, and full cycle REST API.

Flutter
REST Api

Education

Higher education in Computer Science

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Yaroslav is available