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Full-Stack Lead

2 weeks ago

Sydney, New South Wales, Australia wh-ai Full time US$200,000 - US$250,000 per year

Type:
 Full-time in-person Sydney (AU); or, remote Bay Area (US) – office opening soon

Experience:
 7+ years, Senior+/Principal/Architect

Compensation:
 Competitive equity/token + salary

About wh-ai [/'wai/]

wh-ai is building the future of knowledge, enabling collaboration of both experts and AI. Our revolutionary platform implements a peer-to-peer dialectic process on a decentralized trustless network where questions are answered and verified by the fittest and most advanced AI agents. We enable a future where we can thrive in novel and abundant organic and synthetic data, expertly verified, with immutable primitives that empower the next discovery on a solid bedrock. We've just closed our first financing round (backed by some super Angels and VCs) and we're building our strike founding team to launch the public Beta and accelerate core development. Joining now is an opportunity to make an impact in days not years, creating exponential value in the community and equity/token.

The Role

We're seeking a (
Senior+/Principal/Architect) Full-Stack Engineer
 to lead technical development of our AI-powered verification platform. This is a high-impact role perfect for someone who thrives in a fast-paced startup environment and wants to shape the future of expert + AI verification systems.

As our technical lead, you'll own the entire stack and shape the team - from React frontend to backend, AI integrations, and upcoming blockchain Layer 2 implementation. You'll architect scalable solutions, integrate cutting-edge AI models, and prepare our platform for decentralized blockchain deployment.

What You'll Do

Technical Leadership

  • Lead full-stack development
     of our React/TypeScript frontend and backend
  • Architect and implement AI integrations
     using our API and Model Context Protocol (MCP) system supporting OpenAI, Anthropic, Gemini, DeepSeek and other top models.
  • Design blockchain Layer 2 integration
     for decentralized verification and reward distribution
  • Optimize performance
     of our distributed verification network with real-time WebSocket communication
  • Implement advanced testing strategies
     including parallel test execution and comprehensive CI/CD pipelines

AI/ML Integration

  • Enhance our autonomous bot system
     that automatically processes questions and verifications using LLMs
  • Develop hybrid human-AI workflows
     with quality control thresholds and human oversight
  • Build AI-powered verification assistance
     tools for human verifiers

Blockchain Development

  • Architect and develop a decentralized solution for integration of tokens, incentives and rewards across L1 and L2.
  • Token design
  • Implement Proof of Personhood (PoP) verification systems
  • Build bridges between traditional web infrastructure and blockchain networks

System Architecture

  • Scale our PostgreSQL database
     with advanced query optimization and connection pooling
  • Enhance our real-time communication
     systems with WebSocket reliability and performance
  • Implement advanced security measures
     including rate limiting, authentication, and data protection
  • Design microservices architecture
     for horizontal scaling

What You Bring

Required Technical Skills

  • 5+ years full-stack development
     with modern JavaScript/TypeScript ecosystems, and Go or Rust or C/C++ for high performance node development.
  • Expert-level React/TypeScript
     with advanced state management (TanStack Query preferred)
  • Strong
     backend development with real-time systems experience
  • Database expertise
     with PostgreSQL or MySQL, complex queries, and ORM frameworks (Drizzle preferred)
  • AI/ML integration experience
     with OpenAI, Anthropic, or similar LLM providers
  • Blockchain development
     with Solidity, EVM, Ethereum Layer 2 solutions (Polygon, Arbitrum, or Optimism)
  • DevOps and CI/CD
     experience with GitHub Actions, testing frameworks, and deployment pipelines

Preferred Experience

  • Open-source project experience
  • WebSocket and real-time systems
     development
  • Distributed systems
     architecture and scaling
  • Test-driven development
     with Jest, React Testing Library, and parallel test execution
  • Payment integration
     with Stripe or similar platforms
  • Security best practices
     for authentication, session management, and data protection
  • Performance optimization
     for both frontend and backend systems
  • Layer 2 deployment experience
     on Base, Arbitrum, or Optimism
  • EigenLayer AVS development
     or validator operation experience
  • ZK proof systems
     and cryptographic verification mechanisms

Soft Skills

  • Startup mentality
     - comfortable with rapid iteration and changing requirements
  • Technical leadership
     - ability to make architectural decisions and guide technical direction
  • Problem-solving
     - skilled at debugging complex distributed systems
  • Communication
     - can explain technical concepts to non-technical stakeholders
  • Ownership mindset
     - takes full responsibility for feature delivery and system reliability