Святослав

SVIATOSLAV LESKIV

PROFILE
A talented Flutter developer. I'm always interested in writing quality
code. Initiator of implementation of interesting features in projects. I
CONTACT solve complex tasks and do not know the word "Impossible". I
Phone number: [відкрити контакти](див. вище в блоці «контактна інформація») communicate well, pay attention to details, skillfully assess the
E-mail: [відкрити контакти](див. вище в блоці «контактна інформація») complexity and duration of the task. I adapt to customers and make
Address: Lviv, Ukraine concessions so that the customer is satisfied with my product.
LinkedIn: Always focused on results and quality, so that the code is reliable and
[відкрити контакти](див. вище в блоці «контактна інформація») easy to read. I also leverage AI agents and tools to optimize
development workflows, generate code suggestions, and solve
problems more efficiently.
SKILLS ENGLISH LEVEL
Result oriented, Fast Learner, Ability to Work in a Upper intermediate, B2
Team, Communication Skills, Decision Making Skills,
Complex Problem Solving, Planning, AI prompting

EDUCATION
Bachelor of Science in Computer Science, Ivan Franko National
University of Lviv, Lviv
September 2020 — June 2024
Magister of Science in Computer Science, Ivan Franko National
University of Lviv, Lviv
September 2024 — December 2025

EXPERIENCE

Project name: Travel France
Project description: Mobile application that allows users to search,
book, and manage their holidays. The app provides access to booking
details, flight information, online check-in, hotel details, and additional
travel services such as excursions and activities during the trip.
Project role: Middle Flutter developer
Project team size: 8 team members (4 flutter developers)
Involvement Duration: 7 months
Link: In development
Responsibilities:
• Implementing UI screens and components
• Writing clean, maintainable, and efficient code
• Writing unit tests to ensure code quality
• Conducting code reviews and providing constructive feedback
• Integrating GraphQL and REST API requests
• Communicating and collaborating with different backend teams
• Close collaboration with AI agents
Tools & Technologies: GraphQL, Rest API, BLoC, Dio, GetIt, Freezed,
Retrofit, Auto Route, Intl

Project name: SimpleBuy
Project description: Simple and convenient app that lets you
discover and access discounts on shopping, dining, electronics,
gyms, travel, and more. Browse local and online deals, save
your favorites, share with friends, and use your electronic
Benefits Card directly from your mobile for easy savings
anytime, anywhere.
Project role: Flutter developer
Project team size: 7 team members (2 flutter developers)
Involvement Duration: 11 months
Responsibilities:
• Writing clean code and conducting code reviews
• Investigating and fixing bugs
• Ongoing maintenance and support of the project
• Integrating REST API requests with streaming data
Tools & Technologies: Melos, injectable, Rest API, BLoC, Dio, GetIt,
Freezed, Retrofit, Auto Route, Intl, Firebase

Project name: Create My Payment
Project description: A mobile application for iOS and Android
that enables seamless tracking of banking transactions via the
CasHab API. Designed to simplify income management for
businesses, it provides intuitive visualizations, including charts
and statistics on revenue and refunds. The app also supports
installation on banking terminals with Android system, ensuring
a streamlined financial experience.
Project role: Flutter developer
Project team size: 5 team members (2 flutter developers)
Involvement Duration: 5 months
Responsibilities:
• Develop the app’s interface based on Figma designs
• API Integration
• Ensure and maintain the defined level of code quality throughout the project
• Collaboration to teammates
• Making technical decisions during project development
Tools & Technologies: Web Socket, Local auth, Rest API, BLoC, Dio,
GetIt, Freezed, Retrofit, Auto Route, Intl, fl_chart

Project name: ChatAssist: Ask AI Chat Bot
Project description: A mobile application for chatting with a
chat bot. Interesting prompts and assistants that make
communication with bot much more interesting. Free and
premium functional with weekly/monthly/annual subscription.
Project role: Flutter developer
Project team size: 3 team members (1 flutter developers)
Involvement Duration: 5 months
Link: https://apps.apple.com/us/app/chatassist-ask-ai-chat-bot/id6448111118
Responsibilities:
• Creating and Updating the UI of the Application
• Publishing and updating the application in the AppStore
• Writing native Swift code
• Creating an iOS widget on Swift UI
• Creation of subscriptions and implementation of analytics
Tools & Technologies: Web socket, Rest API, GetX, Dio, Freezed, Retrofit

Project name: Tappter
Project description: Business messaging application designed
for secure communication between customers and companies.
The app enables users to message multiple businesses, verify
their identity once and share it with partners, and digitally sign
and manage documents within conversations.
Project role: Flutter developer (application support)
Project team size: 3 team members (2 flutter developers)
Involvement Duration: 2 months
Link: https://apps.apple.com/us/app/tappter/id1356864722
Responsibilities:
• Communication with the customer
• Updating the UI of the Application
• Updating of internal services
• Working with web sockets
• Code review
Tools & Technologies: Web socket, Rest API, GetX, Dio, Freezed, Retrofit

Project name: Bookreader
Project description: Mobile application for reading Ukrainian-language
eBooks. The app provides access to a wide range of literature—from
Ukrainian classics and modern authors to children’s and educational
books. Users can build a personal library, read multiple books
simultaneously, add bookmarks, and highlight quotes
Project role: Flutter developer (development and support)
Project team size: 5 team members (1 flutter developers)
Involvement Duration: 12 months
Link: https://apps.apple.com/us/app/читанка-книжки-українською/id1543172038
Responsibilities:
• Developing a big part of the admin panel and mobile application
• Integrating Readium LCP solution
• Communication with customers
• Regularly update Swift/Futter app versions and libraries
• Offering of interesting updates and introduction of new technologies
Tools & Technologies: Firebase, BLoC, Readium libraries, Cloud
functions, dartx, hive, injector, in app purchases,
receive_sharing_intent, retrofit, dio, json_serializable, freezed,
provider, algolia, dartz.

Project name: A Story A Day
Project description: Mobile application for reading and
listening to digital books and short stories. Supports EPUB
format for eBooks and MP3 for audiobooks, allowing users to
read or listen to stories daily and manage their personal library
Project role: Flutter developer
Project team size: 6 team members (2 flutter developers)
Involvement Duration: 6 months
Link: https://apps.apple.com/ua/app/a-story-a-day/id1633198105?l=uk
Responsibilities:
• Develop the app’s interface based on Figma designs
• API Integration
• Ensure and maintain the defined level of code quality throughout the project
• Collaboration to teammates
• Code review
Tools & Technologies: Firebase, CodeMagic, BLoC, Provider, Hive,
Freezed, Retrofit, Auto Route