Protofire is looking for a Blockchain Architect to join our technical team and help us bring new project to web3 communities!

Responsibilities

• Run discovery calls to map goals, constraints, and existing systems.
• Translate pain points into concrete requirements and success metrics.
• Partner with Sales to surface top customer problems and keep product/engineering aligned.
• Solution design & estimation
• Shape solution architecture (incl. trade-offs), document assumptions and risks.
• Validate estimates with engineering; flag delivery risks early.
• Explain how choices impact timelines, cost, security, and future roadmap.
• Proposals & deal support.
• Build proposals that cover approach, scope, milestones, pricing, and acceptance criteria.
• Articulate business value alongside the technical plan.
• Co-lead technical sections of negotiations and help close.
• Technical due diligence during sales
• Answer technical objections, run demos, and produce clarifications. Ensure both sides share a single, written understanding of scope and interfaces.
• Provide market & competitive insight: track protocols, tooling, and competitors.
• For complex briefs, research adjacent risks/opportunities and provide recommendations.
• Produce clean handover docs (architecture, APIs, non-functional requirements).

Minimum Requirements

• 2 years of experience in a similar position.
• Daily user of on-chain tools; informed investor with hands-on experience across wallets, DeFi, and governance. Active in Discord/X/GitHub and industry events.
• Track record shipping or maintaining OSS infra; comfortable working in public and with community feedback.
• Deep knowledge of L1/L2 ecosystems (e.g., Ethereum, Polkadot, Cardano or similar), node/RPC infra, indexing, auth, and standards.
• Experience designing, reviewing, and deploying contracts; understanding of dApp architectures and CI/CD for Web3.
• Solid grasp of crypto primitives, key management, multisig/custodial/non-custodial wallets, and secure coding patterns.
• Full-stack literacy: Proficiency across modern back-end and front-end frameworks; can read code and discuss implementation trade-offs with engineers.
• Practical experience running SCRUM/Agile in product teams; can turn requirements into backlog, stories, and milestones.
• Able to explain complex Web3 concepts to non-engineers and write crisp specs, proposals, and risk notes.