React Jobs in Web3

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Job Position Company Posted Location Salary Tags

FamilyCareCoop

United States

$36k - $54k

Magic Eden

Melbourne, Australia

$170k - $250k

Kraken

United States

$110k - $220k

Forboc AI

San Francisco, CA, United States

$112k - $120k

Ergonia

Remote

$105k - $120k

Tether

Buenos Aires, Argentina

$115k - $117k

Pulley

Remote

$180k - $200k

Pulley

Remote

$150k - $180k

Okx

Remote

$84k - $117k

Okx

Remote

$126k - $144k

Chainalysis

Tel Aviv, Israel

$98k - $120k

Fireblocks

Remote

$133k - $135k

Coinme

Remote

$115k - $126k

Groma

Boston, MA, United States

$63k - $87k

FamilyCareCoop
$36k - $54k estimated
CO Boulder US
  • https://claude.ai/public/artifacts/e8e1b324-d012-4c91-9eac-5495a721b740
Technical Co-Founder — Family Care Cooperative

Boulder, CO | Full-Time, On-Site | Co-Founder Equity

The short version

We're building the infrastructure for a new care economy — a worker-owned cooperative that replaces the extractive home care agency model with AI coordination, blockchain worker equity, and community care tokens. We need a technical co-founder who vibe codes prototypes at 10× speed and then architects production systems that real families depend on.

The tech: React/Next.js, Solidity on Polygon, FHIR healthcare APIs, AI care coordination, and a federated SaaS platform designed to scale to 100,000 families.

The traction: Boulder Community Health hospital partnership is in active discussion. $3.8M federal funding pipeline (CMS ACCESS + MAHA ELEVATE). Colorado tax credits are stacked. RMEOC cooperative formation underway. BVSD pilot channel identified (1,000 teacher families).

The problem we're solving

The $630B home care industry is structurally broken. Agencies extract 40-60% of every dollar as profit and overhead. Caregivers earn $15/hour with zero benefits and 77% annual turnover. Families pay $9,900/month for nursing facilities. 93 million Americans are caregivers with no infrastructure to support them.

We're not fixing the existing model. We're replacing it.

What you'll build

AI Care Coordination Engine — Care matching algorithm (skills, proximity, personality, acuity). Predictive health monitoring (14-variable Care Readiness Index). Automated scheduling, billing, and EVV compliance with Colorado Medicaid. Natural language care plans and caregiver mobile tools.

Web3 Worker Equity Infrastructure — Smart contracts on Polygon for automated equity vesting (500 hours worked = full ownership share worth $52K over 5 years). ERC-20 Time Bank tokens for neighbor-to-neighbor care exchange. Self-sovereign identity (DIDs) for family health data ownership.

Healthcare Data Platform — FHIR-compliant API integration with hospital systems. HIPAA-compliant architecture. Real-time outcome tracking for CMS federal programs. Hospital discharge coordination dashboard.

Federated Cooperative Platform — "Hard Shell / Soft Center" architecture: national tech infrastructure, local care delivery. Multi-tenant SaaS licensable to cooperatives in every city. Employer HSA distribution integration. Community care marketplace.

What we're looking forMust have
  • Ship MVPs in days using AI-assisted development (Claude, Cursor, v0, Replit) — you know what "vibe coding" means because you do it
  • Architect production systems that pass healthcare security audits — you know when to stop vibing and start engineering
  • Solidity smart contracts deployed to production (Polygon or Ethereum)
  • React/Next.js at a senior level — you've built and scaled real products
  • Comfort with ambiguity — you'll define the architecture, not inherit one
  • Boulder, CO-based or willing to relocate
Bonus points
  • Healthcare tech experience (FHIR, HL7, HIPAA compliance)
  • Cooperative or DAO governance design
  • Built token economies or DeFi protocols
  • Experience with CMS payment models or Medicaid billing
  • ML/AI pipeline development (not just prompting — model training)
  • You've built something that mattered to real people, not just raised money
What you get

Co-founder equity in FCC Technologies LLC. Significant stake. You own what you build.

Compensation: Competitive salary targeting Q3 2026 (hospital retainer + OEDIT grant funding). Sweat equity bridge until then. Open conversation about what works for your situation.

Build from zero. You're not inheriting legacy code. You're defining the architecture for a platform that will serve 100K families and create $52K in wealth for every caregiver who joins.

A mission that actually matters. Your code directly keeps aging parents at home for 1/3 the cost of facilities, creates real wealth for the lowest-paid essential workers in America, and builds community infrastructure through neighbor-to-neighbor care exchange.

Your co-founder

Blaine Warkentine — 15+ years in healthcare technology. Built BrainLAB's orthopedic vertical. Multiple healthcare M&A exits. Deep CMS/FHIR/regulatory knowledge. Currently running point on hospital partnerships, federal funding pipeline, state tax credit strategy, and cooperative formation. Needs someone who can turn the technical architecture into a production reality.

How to apply

Send to [email protected]:

  1. Your GitHub (or equivalent portfolio)
  2. One project you're proud of and why
  3. Why building infrastructure for the care economy matters to you

No cover letter. No resume formatting games. Just show us what you've built and tell us why you care.

  • Family Care Cooperative — Boulder, CO — Worker-Owned. Zero Extraction. Building the last defensible human economy.

What does a React developer in web3 do?

A React developer in the context of web3 is a developer who is using the React JavaScript library to build user interfaces for decentralized applications (dApps) that run on the Ethereum blockchain

These dApps often use smart contracts to facilitate transactions and other interactions on the Ethereum network

Overall, the role of a React developer in web3 involves using your skills in React development to help build cutting-edge decentralized applications that leverage the power of the Ethereum blockchain

As a React developer in web3, some of your responsibilities might include:

  • Integrating the dApp with the Ethereum blockchain. This might involve using tools like web3.js and Ethers.js to connect to the Ethereum network and interact with smart contracts.
  • Building the user interface for a dApp using React. This could involve creating components for the various elements of the dApp, such as buttons, forms, and other input elements.
  • Implementing features that are specific to decentralized applications, such as handling cryptocurrency transactions and displaying data from the blockchain in a user-friendly way.
  • Collaborating with other members of the development team, such as blockchain engineers and designers, to ensure that the dApp functions properly and meets the needs of the end users.