Blockchain Platform Engineer

Role overview

We are hiring a Blockchain Platform Engineer for a growing team in Dublin. This position blends smart contract engineering with blockchain node and infrastructure operations, with a strong emphasis on dependable delivery, security, and scale for decentralized applications.

The role is based in Dublin city centre and is a permanent full-time opportunity.

What you will do

• Create, update, and support smart contracts using Solidity or comparable languages.
• Develop backend services that communicate with blockchain networks, including transaction submission, signing workflows, nonce handling, gas management, and Web3 SDK integration.
• Set up and maintain smart contract deployment workflows, covering version control, migrations, and upgrade plans.
• Apply secure design patterns and established best practices for decentralized application development.
• Deploy and run blockchain nodes and related infrastructure, including RPC services and validator nodes where relevant.
• Handle node upgrades, configuration changes across the network, and live production incidents.
• Build observability and operational tools for node health, RPC responsiveness, logging, and alerting.
• Tackle reliability issues such as chain reorganizations, finality, connectivity problems, and failover planning.

Profile

• Good grasp of blockchain fundamentals such as transactions, blocks, wallets and keys, gas and fees, RPC, and consensus basics.
• Practical experience building smart contracts in Solidity and using standard development frameworks.
• Familiarity with EVM-compatible or similar blockchain ecosystems.
• Strong foundation in software engineering plus infrastructure operations.
• Experience supporting production blockchain platforms or Web3 applications.

Benefits

• Competitive salary.
• Annual bonus scheme.
• Contributory pension.
• Private medical insurance.
• Life assurance and long-term disability cover.
• Employee assistance programme.
• 22 days of annual leave plus 10 public holidays.
• Ongoing learning and development support.
• Access to extensive training and certification resources.
• Lunch and Learn sessions.
• Company discounts.
• On-site parking.
• Bike-to-work scheme.

Eligibility

Applicants must already be eligible to work in Ireland or the EU.

Additional information

Permanent role. The employer offers competitive compensation and the position is located in Dublin City Centre.

For more information, contact David Coyle at 01 6351748 or email david@methodius.com.