Vladislav — Vladbarag

Python · C#

Kishinev, Moldova

Makar — Xonendent

Python · Web Programming

Dnepr, Ukraine

13 1

Ivan Vinnik — youdecide

Python · Cryptocurrency & Blockchain

Kyiv, Ukraine

Fullstack Developer (Python/Rust) | Rapid & High-Quality Solutions

…logic), deep understanding of EVM architecture, gas optimization, and state management. Network Interaction: Ethers.js, Web3.py, low-level RPC request optimization (WebSockets, Multicall, transaction batching) to minimize latency. DeFi & On-chain Mechanics: Mempool analysis, understanding of DEX architecture, lending protocols, prediction markets (Polymarket), and MEV activity vectors. Data Engineering: Parquet Data Lakes, PostgreSQL…

Oleksandr — oleksandr_yuziuk

Python · Website Development

Kyiv, Ukraine

Andrii Moiseienko — andrii_moiseienko

Python · Web Programming

Cherkassy, Ukraine

Sergey Petrenko — gooru

DevOps · Python

Uzhgorod, Ukraine

Alla — AllPav95

Javascript and Typescript · Python

Dnepr, Ukraine

to engineering — I focus not only on writing code, but also on understanding architecture, workflows, and how systems interact as a whole. Today I work with FastAPI, ASP.NET (C#), React, PostgreSQL , Docker, and AI-related technologies, building full-stack applications, APIs, OCR services, and modular backend systems.Main StackBackend FastAPI, SQLAlchemy, ASP.NET (C#), REST API, JWT, GraphQLDatabases PostgreSQL , MSSQL…