Blockchain Architect at Protofire

, , Portugal -

Full Time

Start Date

Immediate

Expiry Date

29 Dec, 25

Salary

0.0

Posted On

30 Sep, 25

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Blockchain, Solution Design, Technical Due Diligence, L1/L2 Ecosystems, Smart Contracts, Web3, SCRUM, Agile, Full-Stack Development, Crypto Primitives, Node Infrastructure, APIs, Community Engagement, Market Insight, Risk Assessment, Proposal Writing

Industry

Blockchain Services

Description

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.

Responsibilities

The Blockchain Architect will run discovery calls to map goals and translate pain points into requirements. They will partner with Sales to address customer problems and shape solution architecture while validating estimates with engineering.