Web3 Engineer (Blockchain, Protocol)

Aliso Viejo, California

In Person - Preferred

About LERO

We’re building LERO, a cross-chain, composable token platform designed for long-term scalability and resilience.

Our engineering culture is high-performance, systems-oriented, and execution-driven. We value clarity of design, disciplined implementation, and accountability. Security and architectural integrity are foundational to everything we build.

We’re expanding our engineering team across multiple areas of the stack, from protocol and smart contracts to cross-chain infrastructure.

Who We’re Hiring

We’re looking for engineers across experience levels who want to build durable crypto infrastructure inside a focused, high-conviction team.

We are particularly interested in experienced developers with expertise in:

• Solidity / smart contract development (EVM ecosystems; security-first mindset required)
• Rust (protocol, performance-critical systems, cross-chain infrastructure)

We are prioritizing local candidates who can work in person in Aliso Viejo. For certain roles and experience levels, we may be flexible.

What You’ll Work On

• Designing and implementing secure blockchain components across multiple networks
• Contributing to protocol and token architecture decisions
• Building performant, scalable infrastructure for cross-chain systems
• Engineering with a security-first mindset: identifying risk early and designing defensively
• Collaborating directly with technical leadership to shape core systems

What We Value

• Strong systems thinking and architectural discipline
• Experience shipping production software, from design to post-deployment
• Clear reasoning around trade-offs, performance, and long-term maintainability
• High ownership and accountability
• Comfort operating in fast-moving, high-responsibility environments

Bonus Experience

• Cross-chain related architectures and implementations
• Participation in security audits
• Contributions to meaningful open-source projects
• Work on high-value or high-throughput blockchain systems

Logistics

• Location: Aliso Viejo, CA (In-person preferred)
• Engagement: Full-time
• Reports to: Engineering Leadership
• Start: Flexible

What We Offer

• Competitive compensation
• Token participation and possible future equity participation
• Direct collaboration with technical leadership
• High-trust, high-autonomy environment
• The opportunity to build a foundational crypto token platform from the ground up
• Relocation-friendly

If you’re interested in building secure, scalable systems in a serious engineering environment, we’d like to hear from you.

Please include in ONE document:

1. Resume
2. GitHub or relevant code samples
3. Brief summary of your relevant experience

When applying, mention the word CANDYSHOP to show you read the job post completely.