Олександр

FLUTTER DEVELOPER
OLEKSANDR ANDRUKHOV

SUMMARY CONTACTS

Senior Flutter Developer offering 12 years of extensive experience in software Ukraine, Khmelnytskyi
development, specializing in cross-platform mobile solutions. Skilled in creating
reusable code, building responsive and intuitive user interfaces, and optimizing app
[відкрити контакти](див. вище в блоці «контактна інформація»)
performance. Proficient in integrating third-party APIs and backend services. Expert in [відкрити контакти](див. вище в блоці «контактна інформація»)
Flutter and Android application development, with strong proficiency in Dart, Java, [відкрити контакти](див. вище в блоці «контактна інформація»)
JavaScript, SDK, SQL, and a variety of popular libraries and tools. Successfully n/sashaandruhov/
contributed to multiple long-term projects in middle, senior, and lead developer roles, as
well as providing technical consultancy. Known for a collaborative team player mindset,
a goal-oriented approach, and attention to details. SKILLS

Programming
Key Achievements:
Languages:
● Successfully delivered 12 commercial projects across health & nutrition,
Java, Dart,
investment, social media, loyalty, entertainment, and interactive applications,
JavaScript, SQL, Swift,
contributing to projects from initial architecture through production and
HTML/CSS, C
ongoing maintenance.
● Led Flutter development on 6 projects, taking ownership of architecture,
Technologies and
technology decisions, implementation, code reviews, and technical delivery.
Frameworks:
● Provided technical leadership and mentorship to 3 developers, supporting code
Flutter, BloC, Dio, FFmpeg,
quality, architectural decisions, task planning, and development best practices.
REST API
● Delivered applications used by 100k+ users/customers, supporting reliable
functionality across multiple devices and platforms.
Tools:
● Developed a versatile ecosystem of loyalty programs (e.g., Club Kavy, Jambo, YG
WebSockets, Google Maps
Service), creating reusable libraries and components that significantly reduced
API, Firebase
development time for future business integrations.
● Replaced traditional retail advertising systems by developing "Buyer's Monitor,"
Platforms:
an interactive display solution integrated with accounting software that
Android, iOS
enhanced transaction transparency and enabled real-time customer feedback.
● Improved application performance across Android, iOS, and Web by optimizing
Version
state management and rendering, resulting in a 10% reduction in app
Control Systems:
crashes/load times.
Git
● Achieved high code stability and reliability across production applications by
implementing a comprehensive testing strategy covering unit, widget, and
IDEs:
integration tests.
Xcode, Android Studio, VS
Code
EDUCATION
Hardware:
2013 – 2017 | Master’s degree in Law, Khmelnitsky University of Management and
Bluetooth, Bluetooth POS
Law, Ukraine Printers
2008 – 2011| Master’s degree in Intelligent Decision Support Systems, Department
of Intelligent Systems and Networks, Lviv Polytechnic National University, Ukraine AI Tools:
Claude Code, Gemini
PROFESSIONAL EXPERIENCE Code Assist

2019 – Present | Android/Flutter Developer, PettersonApps LANGUAGES
2014 – 2019 | Android/Flutter Developer, CompLife
2013 - 2014 | System Administrator, Prosecutor's Office of Khmelnitsky region Ukrainian – Native
English –
Pre-Intermediate
PROJECTS

Project 1: Development of the platform to Track calories, understand nutrition, and
improve your wellbeing .
Project role: Lead Flutter Developer
Responsibilities: Led the architecture and technical direction of application, ensuring
scalability, maintainability, and long-term product growth. Owned the end-to-end
mobile development lifecycle, from technical discovery and architecture to
implementation, release, and continuous improvement. Delivered production-ready

cross-platform applications for iOS and Android with a strong focus on performance,
reliability, and user experience. Transformed complex product requirements and UI/UX
designs into scalable, responsive, and reusable Flutter solutions. Developed reusable
custom widgets and shared UI components, reducing development effort and improving
consistency across the application. Integrated backend APIs, third-party SDKs, analytics,
authentication, payments, and platform-specific services to deliver complete product
functionality. Proactively identified and eliminated performance bottlenecks, improving
application responsiveness, stability, and device compatibility. Led technical
problem-solving for complex iOS, Android, Flutter, and integration-related challenges.
Collaborated with Product, Design, Backend, and QA teams to turn business
requirements into reliable and scalable technical solutions. Contributed to Agile planning
and estimation, helping the team make informed technical decisions and deliver features
predictably. Identified technical risks early and drove solutions that reduced technical
debt and increased the maintainability of the codebase.
Technologies used: Flutter, Swift, WebSockets, Firebase, REST API.

Project 2: Development of an AI-powered platform for care that was designed to solve
the challenges facing the UK social care sector. The platform provides a great experience
for carers, managers and care business owners..
Project role: Lead Flutter Developer
Responsibilities: Contributed to architectural planning, system design, and the selection
of core development tools.Engineered fluid cross-platform solutions for iOS, Android,
and web from the ground up.Crafted intuitive, seamless, and visually compelling user
journeys based on design mockups.Ensured cross-device compatibility, optimizing
application performance across various screen sizes and OS versions.Integrated secure
backend services and API endpoints into the core mobile ecosystem.Upholded high code
quality by performing rigorous code reviews, debugging, and writing automated
tests.Engaged in daily standups, sprint planning, and collaborative Agile processes to
deliver software on time.
Technologies used: Flutter, JavaScript.

Project 3: Development of the platform to manage investments, calculate and represent
earnings of each investor and show any other transitions that are done on the
investment (deal). The platform connects investors with borrowers with ASK company
as an intermediary.
Project role: Flutter Developer
Responsibilities: Participated in creating the application architecture and selecting
technologies. Designed and developed cross-platform mobile and web applications.
Created responsive, intuitive, and visually appealing user interfaces based on design
mockups. Ensured seamless performance and compatibility across different devices and
platforms. Integrated third-party APIs and backend services into Flutter applications.
Optimized app performance for both Android and iOS platform. Wrote unit, widget, and
integration tests to ensure code quality and stability, fixed bugs. Participated in code
reviews and collaborated in Agile development processes (e.g., daily standups, sprint
planning). Worked closely with designers, backend developers, and product managers to
deliver a fully functional app.
Technologies used: Flutter, JavaScript.

Project 4: Development of a private social video platform that was designed to enhance
connection with friends. Together, one can discover, curate, recommend, share, and
watch the world’s best short-form video content.
Project role: Lead Flutter Developer
Responsibilities: Designed and developed cross-platform mobile applications. Created
responsive, intuitive, and visually appealing user interfaces based on design mockups.
Ensured seamless performance and compatibility across different devices and platforms.
Integrated third-party APIs and backend services into Flutter applications. Optimized
app performance for both Android and iOS platforms. Wrote unit, widget, and
integration tests to ensure code quality and stability, fixed bugs. Communicated with the
client and created tasks for the development team. Worked closely with designers,
backend developers, and product managers to deliver a fully functional app. Provided
ongoing support, maintenance, and feature updates for existing Flutter applications.
Technologies used: Flutter, WebSockets, Firebase.

Project 5: Development of a platform that enables users to connect and arrange dates
through short, personalized video profiles.
Project role: Developer
Responsibilities: Participated in creating the application architecture and selecting

technologies. Designed and developed cross-platform mobile applications. Built reusable
code and libraries for future use. Created responsive, intuitive, and visually appealing
user interfaces based on design mockups. Ensured seamless performance and
compatibility across different devices and platforms. Integrated third-party APIs and
backend services into Flutter applications. Optimized app performance for both Android
and iOS platform. Wrote unit, widget, and integration tests to ensure code quality and
stability, fixed bugs. Worked closely with designers, backend developers, and product
managers to deliver a fully functional app. Participated in code reviews and collaborated
in Agile development processes (e.g., daily standups, sprint planning).
Technologies used: Flutter, Material UI, Google Maps API, FFmpeg.

Project 6: Development of an Android TV app mainly with support of mobile and tablet
devices (Android/iPhone). The application is set as a main launcher with simplified
firmware, specifically tailored for elderly users who may not be familiar with how
Android TV works. It features a simplified, intuitive UI that supports various
functionalities such as Zoom meetings, YouTube, questionnaires, and more.
Project role: Developer
Responsibilities: Developed and designed the web part of the application. Created
reusable code and libraries for future use. Built responsive, intuitive, and visually
appealing user interfaces based on design mockups. Integrated third-party APIs and
backend services into the Flutter application. Optimized application performance for the
web platform. Collaborated closely with designers, backend developers, and product
managers to deliver a fully functional application. Participated in code reviews and Agile
development processes, including daily stand-ups and sprint planning.
Technologies used: JavaScript, Flutter.

Project: Head on Point (HoP). Development of an engaging word-guessing game
designed for two or more players. This interactive game challenges participants to guess
words displayed on the screen within a limited time, promoting both fun and learning.
Project role: Lead Developer
Responsibilities: Designed and developed the cross-platform mobile application.
Created reusable code and libraries for future use. Built responsive, intuitive, and visually
appealing user interfaces based on design mockups. Ensured seamless performance and
compatibility across different devices and platforms. Integrated third-party APIs and
backend services into the Flutter application. Optimized app performance for Android
and iOS. Wrote unit, widget, and integration tests to ensure code quality and stability and
fixed bugs. Collaborated closely with designers, backend developers, and product
managers. Participated in code reviews, daily stand-ups, and sprint planning.
Technologies used: Flutter.

Project: Jambo. Development of a Jambo customer loyalty program.
Project role: Lead Developer
Responsibilities: Led the development of the cross-platform mobile application. Built
reusable code and libraries for future use. Created responsive and intuitive user
interfaces based on design mockups. Ensured consistent performance and compatibility
across different devices and platforms. Integrated third-party APIs and backend services
into the Flutter application. Optimized performance for Android and iOS. Wrote unit,
widget, and integration tests, fixed bugs, and participated in code reviews. Worked
closely with designers, backend developers, and product managers within the Agile
development process.
Technologies used: Flutter.

Project: Club Kavy. Development of an app featuring a unique loyalty program designed
to enhance customer engagement and retention. Key features include menu browsing,
delivery ordering, bonus accrual and redemption in place of real currency, and cashback
rewards for every purchase. The app also provides users with early access to new
promotions and offers, creating a seamless and rewarding experience for customers.
Project role: Lead Developer
Responsibilities: Designed and developed the cross-platform mobile application.
Created reusable code and libraries to support future development. Built responsive,
intuitive, and visually appealing user interfaces based on design mockups. Ensured
seamless performance across different devices and platforms. Integrated third-party
APIs and backend services into the Flutter application and optimized performance for
Android and iOS. Wrote unit, widget, and integration tests, fixed bugs, and participated
in code reviews. Collaborated with designers, backend developers, and product managers
throughout the Agile development process.
Technologies used: Flutter.

Project: YG Service. Development of YG Service customer loyalty program.
Project role: Lead Developer
Responsibilities: Led cross-platform mobile application development. Built reusable
code and libraries for future use and created responsive user interfaces based on design
mockups. Ensured application performance and compatibility across different devices
and platforms. Integrated third-party APIs and backend services and optimized the
application for Android and iOS. Ensured code quality and stability through unit, widget,
and integration testing and bug fixing. Collaborated closely with designers, backend
developers, and product managers and participated in Agile development activities.
Technologies used: Flutter.

Project: Complife Card. Development of a Complife customer loyalty program.
Project role: Lead Developer
Responsibilities: Designed and developed the cross-platform mobile application. Built
reusable code and libraries and implemented responsive, intuitive user interfaces based
on design mockups. Ensured seamless performance and compatibility across devices
and platforms. Integrated third-party APIs and backend services into the Flutter
application. Optimized app performance for Android and iOS, wrote unit, widget, and
integration tests, and fixed bugs. Worked closely with designers, backend developers,
and product managers, participated in code reviews, daily stand-ups, and sprint
planning.
Technologies used: Flutter.

Project: Shooters Club Card. Junior Card. Development of a loyalty program for Shooters
Club customers.
Project role: Lead Developer
Responsibilities: Developed the cross-platform mobile application and reusable code
and libraries for future use. Created responsive, intuitive, and visually appealing user
interfaces based on design mockups. Ensured seamless performance and compatibility
across different devices and platforms. Integrated third-party APIs and backend services
into the Flutter application and optimized performance for Android and iOS. Wrote unit,
widget, and integration tests, fixed bugs, and participated in code reviews. Collaborated
with designers, backend developers, and product managers within the Agile
development processю
Technologies used: Flutter.

Project: Buyer's Monitor. Development Developed the Buyer's Monitor, an interactive
display solution aimed at enhancing transparency and engagement during the trading
process. This system replaces traditional banners and posters by providing real-time,
dynamic content such as slide shows, transaction details, and promotional information.
Integrated with the accounting program, the monitor displays purchase receipts to
customers and offers a platform for gathering customer feedback, improving both the
retail experience and operational efficiency.
Project role: Lead Developer
Responsibilities: Designed and developed the application. Built reusable code and
libraries for future use. Created responsive, intuitive, and visually appealing user
interfaces based on design mockups. Ensured seamless performance and compatibility
across target devices. Integrated third-party APIs and backend services. Optimized
application performance, wrote tests to ensure code quality and stability, and fixed bugs.
Worked closely with designers, backend developers, and product managers. Participated
in code reviews and Agile development processes, including daily stand-ups and sprint
planning.
Technologies used: Android, Java.