Blockchain Solutions Architect (Web3)

Blockchain Solutions Architect

Company: OP Labs

OP Labs builds Optimism, an open-source blockchain network powering the next generation of financial infrastructure. Hundreds of companies (e.g., Sony, Coinbase, Kraken, Uniswap) use the OP Stack; over 65% of Layer 2 activity on Ethereum runs through it. The team is remote-friendly with an NYC office and has raised $178M from a16z, Paradigm, and others.

Responsibilities:

- Act as the primary technical counterpart for enterprise and institutional partners during evaluations, pilots, and integrations
- Lead technical discovery sessions covering architecture, performance, security, compliance, and operational requirements
- Design and support test environments (devnets, performance benchmarks, cloud deployments) to validate throughput, latency, and cost
- Respond to detailed technical diligence from banks, asset managers, system integrators, and regulators
- Translate enterprise requirements into technical feedback for product and engineering teams
- Support integrations with wallets, custody providers, cloud infrastructure, and system integrators
- Guide partners through OP Stack architecture, deployment models, upgrade paths, and operational best practices

Requirements:

- 5+ years in Sales Engineering, Solutions Architecture, or technical pre-sales roles
- Background in blockchain infrastructure, cloud platforms, distributed systems, or financial infrastructure
- Hands-on experience with Ethereum or EVM-based systems (Layer 1 or Layer 2)
- Strong understanding of blockchain architecture: sequencing, finality, rollups, smart contracts, and network operations
- Familiarity with cloud infrastructure and production deployment environments
- Ability to reason about performance, scalability, security, and operational tradeoffs
- Comfortable explaining complex technical concepts to both engineers and non-technical stakeholders

Nice to have:

- Experience working with regulated institutions (banks, asset managers, exchanges, payments firms)
- Experience or ability to support documentation localization and technical enablement in Japanese
- Familiarity with integrations such as Fireblocks, AWS, and system integrators

Stack:

OP Stack, Ethereum/EVM, smart contracts, rollups, cloud (AWS), wallets & custody integrations

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