Blockchain Architect

Reposted Yesterday
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Hiring Remotely in Portugal
Remote
Junior
Blockchain • Gaming • Machine Learning • Payments • Database • Web3 • Metaverse
Protofire is a leading blockchain development studio, specializing in decentralized applications (DApps).
The Role
The Blockchain Architect will lead technical discussions, design solutions, and support sales with technical insights while ensuring alignment across teams.
Summary Generated by Built In

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.

Top Skills

Agile
Blockchain
Cardano
Ci/Cd
Dapp Architectures
Ethereum
Polkadot
Scrum
Web3
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The Company
San Juan, PR
100 Employees
Year Founded: 2017

What We Do

Protofire is a trusted blockchain development studio that delivers top-notch solutions for decentralized applications (DApps). With a focus on blockchain protocols like Ethereum and Polkadot, Protofire offers a wide range of services, including smart contract development, auditing, token creation, and decentralized finance (DeFi) development. By leveraging their deep knowledge and experience, Protofire enables businesses to navigate the world of blockchain technology and unlock its transformative possibilities.

Why Work With Us

Protofire stands out in the blockchain development landscape for several reasons, making it an attractive company for individuals seeking employment opportunities:

Extensive Expertise. Comprehensive Services. Focus on Innovation. Strong Track Record. Collaborative Culture. Impactful Work.

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