Blockchain Engineer

Lead Blockchain Developer

Remote

We are looking for a Lead Blockchain Developer to join a newly forming team and take ownership of building the blockchain component of a project focused on settlement, traceability, and interoperability.

This is an opportunity to join the project at an early stage, shape the blockchain architecture, establish development processes

Key Responsibilities

• Lead the design and development of the blockchain component in collaboration with the Solution Architect and Business Analyst
• Build smart contracts for core settlement and traceability protocols
• Develop the orchestration layer, DvP settlement module, contract version registry, and emergency suspension and rollback tooling
• Establish effective development processes, code review practices, and engineering quality standards for the team
• Act as a bridge between product stakeholders and developers, helping the Business Analyst refine requirements and understand technical capabilities, limitations, and trade-offs
• Coordinate with backend and other engineering teams to define integration contracts, interfaces, and responsibilities
• Communicate technical decisions, manage dependencies, and proactively identify integration risks
• Conduct product demos and communicate delivered value in terms of business outcomes rather than completed tasks
• Maintain a security-first approach and prepare solutions for an independent audit

Requirements

• 5+ years of commercial software development experience
• Strong hands-on experience with Solidity and/or Rust
• Experience with EVM and/or permissioned DLT
• Experience with Hyperledger Fabric, Besu, or Corda
• Experience with Hardhat or Foundry
• Experience with Slither, Mythril, or Certora
• Understanding of DvP and HTLC settlement patterns
• Experience leading developers, conducting code reviews, and establishing development standards
• Ability to translate business requirements into technical solutions and communicate technical constraints to non-technical stakeholders
• Experience coordinating integrations across engineering teams
• Strong communication skills and the ability to demonstrate product value to different audiences
• Practical experience using AI tools for smart contract development and review
• Strong security mindset and ability to reason formally about settlement finality
• Upper-Intermediate English or higher

Nice to Have

• ISO 20022 experience, particularly in interoperability-related work

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