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HexaHE

Founding Platform Engineer

Hexa is a startup studio that partners with founders to build and scale ambitious software companies in sectors like SaaS, AI, and Web3.

Hexa

Employee count: 11-50

FR and US only

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Waniwani is building the AI distribution infrastructure for the $10T services economy. We enable companies to sell quote-based services (insurance, wealth,...) directly inside LLMs, where buying decisions are moving. The Founding Platform Engineer will own the multi-tenant platform, architect and maintain the infrastructure that hosts hundreds of MCP codebases, build the data backbone, ship the core app, and design for scale.

Requirements

  • 5+ years of production TypeScript experience
  • Experience with multi-tenant SaaS platforms
  • Built or operated big data pipelines
  • Deep PostgreSQL knowledge
  • Infrastructure-as-code experience
  • Familiarity with MCP or LLM tool-use ecosystems
  • Contributed to open-source infrastructure projects
  • Experience with Next.js, Drizzle ORM, or similar modern TypeScript stacks
  • Managed deployments across multiple cloud providers or edge networks
  • Built internal developer platforms or deployment automation

Benefits

  • Ruthless execution
  • Ownership
  • Category creation
  • Global presence
  • Real equity
  • Meaningful ownership at the earliest stage
  • Best prep for founding

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Mid-level

Location requirements

Hiring timezones

United States +/- 0 hours, and 1 other timezone

About Hexa

Learn more about Hexa and their company culture.

View company profile

At Hexa, we are redefining the landscape of entrepreneurship through a unique and powerful startup studio model. Founded in 2011 under the name eFounders, we have evolved into a multi-vertical platform dedicated to building the next generation of software companies. Our mission is to partner with ambitious founders from day one, providing them with the operational expertise, strategic guidance, and initial capital necessary to transform bold ideas into category-defining businesses. We don't just invest; we build alongside our founders, leveraging our deep experience in SaaS, AI, Web3, and Fintech to de-risk the early stages of company creation.

Through our rigorous methodology, we have successfully launched over 50 companies, including unicorns like Aircall, Spendesk, and Front, creating a combined valuation of over $5 billion. We believe that the future of technology lies in collaborative innovation, where teams are empowered to solve complex problems with agility and precision. Our 'team entrepreneurship' approach ensures that every member of our ecosystem, from core team experts to startup founders, shares in the success and value we create together. As we expand into new verticals like Healthtech and AI, Hexa remains committed to fostering a culture of excellence, where groundbreaking technology meets sustainable business growth.

Employee benefits

Learn about the employee benefits and perks provided at Hexa.

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Equity

Equity in every created startup

Swile

Green transportation and meal vouchers

Sidecare

Comprehensive health insurance coverage

Demo Time

Quarterly team event to showcase progress and connect

View Hexa's employee benefits
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Hexa

Company size

11-50 employees

Founded in

2011

Chief executive officer

Matthieu Gombeaud

Employees live in

View company profile

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