Віктор

Hladii Viktor, Golang Backend Developer
E-mail: [open contact info](look above in the "contact info" section)
Phone: [open contact info](look above in the "contact info" section)
Telegram: @Viktor_Hladii
Location: Ternopil, Ukraine, GMT+3

About me
Backend developer with 4 years of commercial experience in Golang and Solidity development. Experienced in
blockchain, DeFi, including EVM and Solana ecosystems. Worked in startup environments, developing backend
services, smart contracts, event-driven systems, and blockchain infrastructure.

Skills
Claude code, Golang, MongoDB, Postgresql , RabbitMQ, Redis, Rest API, WebSocket, Solidity, Smart Contracts,
Hardhat, Microservices Architecture, GraphQL
English - B1

Work experience

Golang/Solidity Backend Developer
Neat fusion

Jan, 2025 — Present
Project Chain fusion
- Implemented upgradeable Solidity smart contracts.
- Added Solana blockchain support to the project
- Developed Solana transaction processing and execution logic
- Implemented Solana contract event processing and blockchain interaction services
- Worked on cross-chain infrastructure and transaction flow handling

Project Architecta
- Implemented EVM-related backend logic
- Developed services for listening to and processing blockchain events
- Added support for token, pool, liquidity, and position tracking for Uniswap V3 and Uniswap V4
- Worked with swap and liquidity processing on Solana
- Developed and maintained REST API services
- Implemented WebSocket-based event handling

Stack: Claude code, Golang, Solidity, MongoDB, GraphQL, REST API, WebSocket Hardhat

Golang Backend Developer
NDA

Aug, 2023 — Jan, 2025
- Developed backend services using microservices architecture
- Implemented a partner tracking system
- Developed an advertising banner performance tracking system
- Implemented a reward and bonus distribution system
- Worked on both client and admin platform functionality
- Developed a Telegram bot for platform integration and automation

Stack: Golang, MongoDB, PostgreSQL, RabbitMQ, Redis, REST API, WebSocket

Golang/Solidity Backend Developer
Neat fusion
May, 2022 — Jan, 2023
- Participated in the development of a decentralized bridge based on a Golang implementation of
Ethereum
- Worked on distributed key generation (DKG) improvements and additional P2P protocols
- Developed Solidity smart contracts for on-chain governance
- Implemented validator banning logic for inactive nodes
- Developed blockchain event listeners and event pool processing
- Worked on transaction lifecycle management and blockchain synchronization

Stack: Golang, Solidity, Smart Contracts, Hardhat

Education
Master’s Degree in Computer Engineering
Sep 2018 — Dec 2023

Master’s Thesis:
“Technologies for Creating Distributed Computer Data Storage Systems Based on Blockchain”
https://docs.google.com/document/d/1CzW0egYs65OsHjDvRURKEw6GaclWR6sTOnOHu-BQ0Ws