Engineer, Systems Engineer

Growth Engineer

Happy Robot is the infrastructure for enterprises to build and orchestrate AI work forces. Our AI workers don't just communicate - they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and backed by a16z and Base
10 with over $60M raised, we power critical operations for global enterprises worldwide.

Our platform is battle-tested in the most demanding environments - where AI has real consequences. We started in logistics, built our own voice stack, models, and orchestration layer from the ground up, and are now bringing that infrastructure to every enterprise that runs the real economy. Learn more about our vision in our manifesto.

As our Growth Engineer, you will own the entire technical lifecycle of our digital presence—moving our website infrastructure to a fully self-hosted environment built on Vercel and Payload CMS. Our primary focus is driving high-value enterprise demos through product experiences. We are moving away from restrictive marketing-led visual site builders (Webflow) and shifting to a highly technical, engineering-driven experimentation engine.

Beyond styling static landing pages, you will be building scalable code infrastructure that enables edge personalization for our VIP customers, mapping full in-platform user context, and repairing complex analytics pipelines. We are looking for a deeply independent builder who can think holistically about business processes while maintaining the high standards of a core platform engineer.

What You'll Do

• Lead the engineering effort to migrate our marketing site and customer funnels out of Webflow and into an ultra-fast, self-hosted frontend built on Next.js/Vercel and Payload CMS.
• Architect dynamic, programmatic landing page templates for high-value VIP accounts that pull tailored assets, logos, and account metrics flawlessly without layout shifts or visual "flicker".
• Implement best-in-class, in-platform tracking that diagnoses existing data gaps and implement robust tracking so our sales teams have total visibility into what accounts are doing inside our platform.
• Seamlessly pipe event data and user traits from Post Hog and outbound tooling directly down into Salesforce CRM, optimizing API payloads to maintain immaculate CRM data hygiene.
• Build and maintain our growth experimentation infrastructure.
• Design, launch, and analyze complex server-side A/B tests that target key conversion loops and drive enterprise demo bookings.

Must Have

• Strong track record of building things entirely on your own from scratch. You don't wait for a perfectly detailed specification document—you see a gap in our process or tracking and you fix it.
• Deep technical mastery of React, Next.js (App Router), Type Script, and Node.js.
• Direct experience building with modern, open-source headless content management systems (ideally Payload CMS, Strapi, or equivalent developer-first tools).
• Strong familiarity hosting applications on Vercel and utilizing Edge Middleware, Edge Functions, or CDN-level routing to achieve 0ms-latency personalization.
• Advanced knowledge of event tracking architectures using tools like Post Hog, Mixpanel, or Segment.
• Experience managing data flows into enterprise CRMs (Salesforce) is highly desired.

• Opportunity to work at a high-growth AI startup, backed by top investors.
• Rapidly growing and backed by top investors including a16z, Y Combinator, and Base
  10.
• Ownership & Autonomy
  - Take full ownership of projects and ship fast.
• Top-Tier Compensation
  - Competitive salary + equity in a high-growth startup.
• Comprehensive Benefits
  - Healthcare, dental, vision coverage.
• Work With the Best
  - Join a world-class team of engineers and builders

Our Operating Principles:

Extreme Ownership

We take full responsibility for our work, outcomes, and team success. No excuses, no blame-shifting — if something needs fixing, we own it and make it better. This means stepping up, even when it's not "your job." If a ball is dropped, we pick it up. If a customer is unhappy, we fix it. If a process is broken, we redesign it.

We don't wait for someone else to solve it — we lead with…