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Work experience

Fullstack Developer (Flutter, Golang)

from 05.2024 to 09.2025 (1 year 5 months)
Cr.e.s.al.o, Київ (IT)

Developed an MVP for an algorithmic trading service, enabling users to create and launch trading strategies based on predefined indicators with a two-click workflow. Integrated the service as a Telegram Mini App to provide a seamless user experience. Implemented backend logic for strategy execution, designed and developed a backtesting engine for strategy evaluation, and applied genetic algorithms to optimize strategy parameters.

A working demo of the service is available on YouTube: https://www.youtube.com/watch?v=UEA7jsoWr88

Tech stack: Flutter (BLoC, FSD), GoLang, PostgreSQL + PgBouncer, Redis, Grafana, Prometheus, Nginx, Docker Compose, Ansible, Terraform, GitOps

Flutter developer

from 04.2022 to 04.2024 (2 years)
SettlePay, Київ (IT)

Developed and maintained SettlePay Wallet, a financial application bridging cryptocurrency and fiat currency transactions.
Implemented features for depositing, withdrawing, and optimizing operations on major cryptocurrency exchange accounts.
Integrated a variety of deposit methods, crypto-fiat exchange services, and global merchant top-ups into the wallet.
Designed and implemented user-friendly Diia & Kycaid verification processes for seamless user onboarding.

App Link: https://play.google.com/store/apps/details?id=com.fourbill.settlepay

Tech stack: Dart, BLoC, Dio, Hive, Clean Architecture

Lead .NET Developer

from 01.2017 to 09.2021 (4 years 9 months)
Ademio, Київ (Фінанси, банки, страхування)

Developed and maintained the backend of an online payment system.
Integrated with payment gateways (Fondy, TAS, Pumb(Acq, P2P), FlashPay)
Designed and implemented APIs for frontend and external services.
Stack: C#/.NET, Postgres, RabbitMq

ASP.NET/C# developer

from 02.2015 to 06.2016 (1 year 5 months)
Smartbank, Київ (IT)

Participated in the development of a client-banking system, including integration with ABS B2 and implementation of a gateway for interaction with the UkrCard and EasyPay processing systems.