Mykyta

Mykyta Sadchenko
Senior Software Engineer
I am seeking a project that would be extremely helpful for Ukrainian citizens.
Throughout my career, I have been working with different kinds of technologies, and I have
always wanted to help my employers succeed in their business by being deeply involved in the
processes and development.

I am inspired by people willing to grow professionally by improving the world around them.
I am proud of my impact on every company I have worked in.

Contacts Experience
Email
[открыть контакты](см. выше в блоке «контактная информация») August 2023 - Present
Haltia.AI (startup)
LinkedIn
[открыть контакты](см. выше в блоке «контактная информация») Senior Software Engineer at Haltia.AI Feb 2024 - Present

Github Senior Full-Stack Engineer at Conreality Aug 2023 - Feb 2024
https://github.com/muknta/
Haltia.AI is a subproduct of the startup which is a revolutionary offline AI assistant,
Telegram Asimov, that helps simplify personal and business life.
https://t.me/muknta/ Platforms: iOS, macOS, watchOS, Android, Linux

Education Platforms: iOS, macOS, watchOS, Android, Linux
Integrations: Siri, Google/Microsoft services, Twitter, Bonjour service, built-in TTS & STT,
biometrics, etc.
2017 - 2021 Stage: internal beta
Bachelor degree, Applied Math Tech stack: Flutter/Dart (Flame, patrol), Rust, Swift, Kotlin, gRPC, GraphQL, Firebase, etc.

Kyiv Polytechnic Institute Integration of system services using native code (Swift, Kotlin)
Program / Skills: Implementation and integration of Rust plugins using FFI
Python, C/C++, Javascript Integration & UI testing using Patrol
Computer Science Complex UI using CustomPainter and Flame
Data Science Setup and management of CI/CD (Github Actions)
Applied Math Architecture revisioning

Conreality is a subproduct of the startup which is a geospatial tool app for an additional
Hard Skills experience while playing paintball and airsoft.
It contains registration and management of the nearest games.

Languages:
Tech stack: Flutter/Dart (BLoC, AutoRoute), Go, gRPC, WebRTC, Google Maps API,
Dart(4+ years), Python(2+ years),
Firebase, etc.
Swift (1+), Java (1+),
Javascript (1+), Kotlin,
Mobile team leading
Rust, Go, C
Architecture revisioning
Flutter technologies: Project tasks planning
Flutter(4+ years), BLoC, GetX, Integration and management of CI/CD
Flame, CustomPainer, Patrol, Features developing
Retrofit, RxDart, Provider, MobX,
SembastDB, SQFlite, etc.
Python technologies: July 2022 - 2024
Django, Flask, NumPy, Pandas, Zusim (volunteer military project)
Socket, SQLAlchemy, etc. Senior Mobile Full-Stack Engineer (part-time)
SQL / NoSQL:
Offline-first security-based study platform for Ukrainian army soldiers (mobile app).
PL/SQL, SQLite, PostgreSQL,
Tech stack: Flutter/Dart (BLoC, Dio, AutoRoute), SQLite, Firebase, HTML parsing, etc.
MySQL, MongoDB, SembastDB,
etc.
Security-based architecture setup
Paradigms / Concepts: Deployment (iOS, Android)
OOP, Design Patterns, Data Interviewing
Structures, etc. Features developing
Consulting
Tools:
MacOS, Linux, Vim, Git, etc.
Hard Skills June 2023 - August 2023
NodeArt

Network: Senior Software Engineer
WebSockets, GraphQL, gRPC, Short-term work because the client decided to stop the project.
REST API, WebRTC, UDP
The dating app with video and chat processing. The project has a strong strategy for users'
APIs:
payments.
Google Maps API, Rust/C FFI,
Tech stack: Flutter (GetX), GraphQL, WebRTC, sockets, Firebase, etc.
AdMob, Firebase, etc.
Initialized and Improved the UX of payments which turned into better money conversion
CI/CD: by 20%;
Github Actions, Gitlab CI, Wrote the text chats logic+UI which made it possible to communicate between users
Codemagic without video;
Refined streaming video pages which enhanced the UX of core functionality in the app;

Soft Skills Architecture revisioning;
Highly decreased the amount bugs which made better the app Engagement Metrics.

Self-organizing
April 2022 - June 2023
Responsibility
N-iX
Teamwork
Senior Flutter Engineer Oct 2022 - Jun 2023
Time-management
Diplomacy Middle Flutter Engineer Apr 2022 - Oct 2022
Financial B2C + B2B bank for Azercell - the biggest telecommunication company in

Languages Azerbaijan.
We were building
- the B2C project from scratch as a part of the existing application (MVP, MMP, release+
stages)
English - Upper-Intermediate (B2)
- the B2B project from scratch as a separate app (MVP, MMP, release+ stages)
Ukrainian - Native (C2) Tech stack: Flutter/Dart (BLoC, Dio, mason-template/code generation, easy_localizations),
Firebase, etc.

Reduced the time for logging the app by more than 90% using Biometrics;
Made possible to communicate between two banking apps (B2C+B2B) using QR-scanner;
Reduced the time of deploying the app to native stores by 10% by fulfilling the automatic
scripts;
Reduced the time of regular tasks development by integrating the code template;
Reduced the time, for a user, of P2P transactions by 90% by connecting the contacts
library to the app.

February 2021 - April 2022
MobiTeach LLC
Project's Lead Flutter Developer Aug 2021 - Apr 2022
Flutter Developer Feb 2021 - Aug 2021
Educational apps for learning different languages via involving activities. Likewise, game
motivation with results scoring, the gradual opening of topics, etc.
Tech stack:
Dart/Flutter (BLoC, RxDart, SembastDB(NoSQL), local_notifications, Firebase tools, Provider,
etc.)
Android (Java)
iOS (Swift)

Features developing
Project coordinating
Project leading
Mentoring
Interviewing
Architecture revisioning
Google Analytics usage (A/B testing, etc.)
CI/CD deployment (Codemagic)
January 2021 - April 2021
Stobox
Full-stack Engineer (Web3 + Flutter)
Crypto platform on Web+Mobile.
Tech stack: Golang, Flutter
Smart Contracts writing
UI layout coding

September 2020 - February 2021
Devsteam.mobi
Flutter Developer
Quotes app with dynamic information based on Firebase DB.
Tech stack: Flutter/Dart (BLoC, http), UDP, Notifications, Firebase, etc.

Business logic development
Design layout
Deployment (Android)
Legacy code refactoring

June 2018 - September 2020
Freelance
Python Developer / Full-stack Developer
I have been working on Back-End+Front-End, Data Analysis, scrapping, Telegram bot tasks,
etc.

Tech stack:
Python (Django, Flask, NumPy, Pandas, SQLAlchemy, BeautifulSoup, etc.)
Javascript