plotnychenko

Solidity Developer

πŸ‘‹πŸ» Hi, my name is Eduard, I am a software developer with over 4 years of experience in various areas of development.

πŸ›  Technologies I am an expert in:

πŸ”Ή Backend: Python, PostgreSQL, MySQL, Redis, MongoDB;
πŸ”Ή Frontend: HTML, CSS, JS, React, Next.js;
πŸ”Ή Smart Contracts: Solidity;
πŸ”Ή Automation: Python, API integration;
πŸ”Ή Server technologies: gRPC, Websockets;
πŸ”Ή Interfaces: QT (PySide, QML);
πŸ”Ή Deployment and monitoring: Docker, CI/CD, Zabbix, Prometheus + Grafana, goaccess.

πŸ‘¨πŸ»β€πŸ’» I specialize in building high-quality web applications, developing REST APIs, microservices, as well as creating smart contracts and automating processes in various domains including cryptocurrency exchanges. My main goal is to help you bring any idea to life by developing efficient, scalable and reliable solutions.

🎯 My expertise covers the following areas:

πŸ‘‰πŸ» Backend Development:
I am experienced in building stable and high-performance server solutions. I can develop complex and secure backend systems using technologies such as Python, PostgreSQL, Redis, gRPS, Websockets. I develop systems that scale easily as your project grows.

πŸ‘‰πŸ» Frontend Development:
My experience in frontend development includes creating interactive and engaging user interfaces using HTML, CSS, JS, React, and Next.js. I focus on usability and performance so that your app not only looks beautiful, but also runs quickly and smoothly on all devices.

πŸ‘‰πŸ» Smart Contracts and Blockchain:
At Solidity, I work with smart contracts, creating secure and efficient solutions for blockchain projects. I will help you design and implement smart contracts for various cryptocurrency applications, and automate the interaction with blockchain to improve processes in your ecosystem.

πŸ‘‰πŸ» Process Automation:
I will help you streamline routine tasks and processes through automation, saving time and resources and improving overall efficiency. This includes automating trading on cryptocurrency exchanges, interfacing with external APIs, and optimizing various business processes with software solutions.

πŸ‘‰πŸ» Server infrastructure and deployment:
Apart from development, I will also install and configure servers for your application, set up health monitoring systems for your cloud infrastructure such as Zabbix, Prometheus + Grafana, goaccess.

πŸ“Š My development methodology emphasizes careful planning, optimized workflows and commitment to quality at every stage. I am convinced that the success of any project depends on attention to detail and a strategic approach to its realization. Therefore, if needed, I will assist in drawing up the project terms of reference. I am ready to work closely with you to understand your project requirements and develop a solution that will not only solve your current challenges, but also help your business goals in the future.

πŸ“² If you have an idea you want to bring to life or a project that requires an out-of-the-box approach, I'm ready to help! Let's discuss the details and I'll walk you through the creation of a quality software solution.

πŸ“© I am open to your messages and cooperation proposals!


Experience: 3 years

Yearly salary: $30,000

Hourly rate: $15

Nationality: πŸ‡ΊπŸ‡¦ Ukraine

Residency: πŸ‡ΊπŸ‡¦ Ukraine


Experience

Middle Fullstack Developer
BG SoftWare
2022 - 2025
Participate in CRM system development, including frontend development in React and backend development in Python (FastAPI); Development of web applications related to cryptocurrencies; Creating Telegram bots for various needs using PyTelegramBotAPI and Aiogram; Participation in the development of an application to automate trading on Binance P2P; Development of desktop application for blockchain automation using QT (QML) and Python; Deploying projects to remote servers (VPS) using hosting platforms Linode, Digital Ocean, Vultr and others;
Junior Python Developer
BG SoftWare
2020 - 2022
Development and optimization of scripts to automate trading on a cryptocurrency exchange, including integration with the exchange API for market data retrieval and order execution; Development of an analytical module to analyze market trends and optimize trading strategies; Using Python and libraries Pandas, Numpy for data processing and analysis, development of decision-making algorithms; Designing and developing databases using MySQL to store transaction data and analytics; Implementing Redis for caching and improving system performance; Using SQLAlchemy for database manipulation and implementing complex queries; Development of web interfaces using Django and Jinja2 templates to display analytical information and monitor trading operations; Code optimization to ensure high speed and stability in real time.

Skills

api
docker
elasticsearch
javascript
mongo
nextjs
nginx
postgres
python
react
redis
solana
web3
web3-py
web3js
solidity
english
russian
ukrainian