# Blockchain Architect

> Protofire · Portugal (Remote) · — · Posted 2025-09-30

**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.

## Apply

[Apply at Protofire](https://apply.workable.com/protofire-14/j/A48210408C/apply)

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