Blockchain Architect
Location: Portugal
Workplace: remote
Description
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.
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