описание
📍Limassol, office (we provide relocation to Cyprus)
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 TypeScript (NestJS) and/or 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.
