We are looking for a Senior Blockchain Backend Developer with strong ownership, hands-on experience, and a passion for building scalable blockchain solutions.

The project is building an internal wallet technology platform for custodial operations across Bitcoin, Ethereum, Solana, and TRON.

Requirments:

• 4 years of experience with Rust
• Strong understanding of Solana protocol
• Production experience with SPL tokens
• Solid knowledge of ed25519 and SLIP-10 specifics:

• Hands-on experience managing Solana transaction lifecycle

Nice to have:

• Experience working on custodial platforms or wallet infrastructure
• Background in high-load financial or blockchain systems
• Experience designing secure signing and transaction execution pipelines

What we offer:

• Remote working format
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement

• Free English classes

Recruitment process:

• Recruitment interview – Technical Interview – Client Interview