Blockchain Infrastructure & Digital Asset Engineer

Neti sp. z o.o.; Polska; Hybrid; PLN 420,000 - 660,000; Full time

Benefits offered by this job

Flexible working hours

Remote or hybrid work options

Attractive salary

Job summary

Neti sp. z o.o. is seeking an experienced engineer to bridge business goals with advanced blockchain technology.

You will lead stablecoin deployments, design secure minting and settlement workflows, and shape wallet infrastructure for both self-custody and custodial solutions. You will also architect scalable off-chain ledgers to efficiently track high-volume distributed transactions, work with languages like Rust, Go, Solidity, Python, or TypeScript, and contribute to DeFi protocols with a

Qualifications

• 5+ years of software engineering experience, with at least 2+ years in a core Web3 developer or architecture role.
• Proven hands-on experience in building stablecoins and stablecoin payment workflows, including settlement, liquidity management, and fiat-on/off ramps.
• Strong understanding of wallet infrastructure, with experience integrating Self-Custody and Custodial wallets (e.g., MPC, multisig, HSM).
• Experience managing distributed financial transactions and architecting scalable off-chain ledgers for fast, low-cost settlement.

Responsibilities

• Lead the technical deployment of stablecoin projects and design secure minting, burning, and payment workflows.
• Advise on and implement self-custody and custodial wallet solutions for security and user experience.
• Build and optimize off-chain ledger systems to track, manage, and reconcile high-volume transactions.

Skills

Web3 architecture

Stablecoins

Wallet infrastructure

Off-chain ledgers

Smart contract development

Rust

Go

Solidity

Python

TypeScript

Job description

Neti helps move money and digital assets in production environments by integrating with the systems our clients already use. We are building NetiRails a payment orchestration platform running on client infrastructure. We are looking for an experienced engineer to bridge the business world with advanced blockchain technology.

Key Responsibilities:

• Stablecoin Architecture: Lead the technical deployment of stablecoin projects, designing secure minting, burning, and stablecoin payment workflows tailored to partner needs.
• Wallet Infrastructure: Advise on and implement robust self-custody and custodial wallet solutions, ensuring peak security and seamless user experiences.
• Transaction Management: Build and optimize off-chain ledger systems to track, manage, and reconcile high-volume, distributed financial transactions efficiently.

Requirements:

• 5+ years of software engineering experience, with at least 2+ years in a core Web3 developer or architecture role.
• Proven hands-on experience in building stablecoins and a deep understanding of stablecoin payment workflows, including settlement, liquidity management, and fiat-on/off ramps.
• Strong technical understanding of wallet infrastructure, with specific experience integrating and securing Self-Custody and Custodial wallets (e.g., MPC, multisig, hardware security modules).
• Extensive experience managing distributed financial transactions and architecting scalable off-chain ledgers for rapid, low-cost transaction processing and settlement.
• Proficiency in modern programming languages relevant to the space (e.g., Rust, Go, Solidity, Python, or TypeScript) and experience with smart contract development.

Nice to Haves:

• Familiarity with Zero-Knowledge Proofs (ZKPs) or privacy-preserving blockchain technologies.
• A strong portfolio of open-source contributions or previous work in decentralized finance (DeFi) protocols.

What We Offer:

• Flexible employment conract types and flexible working hours.
• Attractive salary.
• Continuous skill development, including training subsidies and knowledge sharing.
• Work with cutting-edge technologies and participation in BlockTrain workshops.
• Remote or hybrid work options.
• A friendly, collaborative work culture, a great team, and immense autonomy in your daily work.

This is a great opportunity to gain valuable experience in the fast-emerging fintech & payment industry.