Blockchain Backend Developer

#vacancy #remote #blockchain

We are looking for a Blockchain Backend Developer to join our team at Inktech.

Responsibilities:
- Deposits: development and maintenance of block indexers (EVM, BTC-like, Tron, TON, Solana), log and UTXO processing, detection of incoming transactions and confirmations, handling reorg scenarios, ensuring idempotency and correct event delivery to Payments/Wallet systems;
- Withdrawals: preparation, signing, and broadcasting of transactions (EVM/BTC-like/Tron/TON), lifecycle management of transaction statuses, implementation of limits logic, safe balance checks, automatic token sweeping, retries, and atomic status persistence in the database;
- Node interaction: integration with RPC/REST/gRPC, query optimization, node health monitoring, network error handling, and support for multiple client versions through a unified abstraction layer.

Requirements:
- 3+ years of backend development experience and 2+ years in crypto/blockchain projects with production-level workloads;
- Strong experience building services in Go;
- Deep understanding of Ethereum, TRON, BNB, BTC-like chains, TON, and their RPC/API mechanisms;
- Web3: experience working with web3.js, ethers.js, or similar libraries for network interaction and transaction signing;
- Experience integrating with nodes via RPC/REST/gRPC, including error handling and managing multiple clients;
- Hands-on experience designing and maintaining block indexers and transaction-processing services;
- Strong SQL skills, including query optimization, schema design, and zero-downtime migrations;

We offer:
High salary (plus performance bonuses and salary revision on regular basis);
Work schedule: Mon-Fri (9h with 1h lunch break), flexible start 8:00-10:00;
24-days holiday leave;
First line sea view from your office;
Corpora English lessons;
GYM and SPA in the office;
Corporate meals;
Eventful corporate life;
Exciting work challenges that allow you to grow to your full potential;
Strong team of like minded professionals who will be by your side to accomplish ambitious projects, and to stimulate your professional development and bring experience.

📩 Показать контакты