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Middle Blockchain Developer

BelarusOn-siteMiddle

We are looking for a Middle Blockchain Developer to join our growing team and contribute to building secure, scalable, and user-focused blockchain solutions.

Location: Minsk | Office

Responsibilities:

  • Develop, test, and deploy smart contracts to enable secure and decentralized application logic

  • Implement Web3 integrations to connect blockchain networks with web applications

  • Build user-friendly, responsive interfaces for seamless cross-device experiences

  • Design and maintain backend systems for efficient data processing and blockchain interaction

  • Ensure real-time synchronization and accurate management of blockchain data

  • Optimize application performance and resource usage

  • Conduct thorough testing and debugging to ensure reliability and security

  • Apply strong security best practices to protect smart contracts and user data

  • Create and maintain technical documentation for code, APIs, and features

  • Collaborate with developers, designers, and stakeholders to achieve project goals

  • Participate in presales activities, providing technical expertise and solution design support

Required Skills & Technologies:

Blockchain & Web3

  • Solidity, Rust

  • Smart Contracts, DApps

  • Ethers.js, Web3.js

  • Hardhat, Foundry, Remix

  • Tokenomics, Staking, Pre-sale

  • NFT, DEX

  • IPFS

Networks & Ecosystems

  • Ethereum

  • Solana (Anchor, Solana Programs)

    Backend & Web

  • JavaScript / TypeScript

  • Node.js, Nest.js, Express

  • Socket.IO

  • React

English level B2

What we offer:

From the 1st working day:

  • 12th-month pay policy;

  • corporate events;

  • cash benefits for significant events in life;

  • online/offline literature compensation;

  • B-day gifts;


After passing the probation period (+ benefits from the 1st working day):

  • medical insurance (including dental services);

  • 20 vacation days;

  • 3 days off;

  • corporate English;

  • compensation for educational courses online/offline;

  • sports compensation;

  • corporate gifts.

Published on: 1/29/2026

Interexy

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Interexy is a mobile development company providing development services for tech startups & established businesses in Western Europe & the United States.

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