Founding Engineer

As a Founding Engineer at Helicone.ai, you’ll work side-by-side with the founders and a passionate team to build highly scalable systems and own end-to-end engineering projects that redefine the LLM developer experience. This is a unique opportunity to be part of a founding team, shape a product from the ground up, and make an outsized impact on the future of AI observability.

Why Join Helicone?

This is more than just a role—it's an opportunity to build something transformative at the ground level. You’ll be joining a tight-knit, ambitious team in San Francisco, the heart of AI innovation, and contributing to the leading platform for LLM observability.

• Ownership and Impact: Your work will directly shape the platform, the team, and the company’s future.

• Dynamic Culture: Weekly team lunches, monthly hackathons, and an environment where every idea is heard.

• Growth Opportunity: Work on cutting-edge problems in AI, learn from the founders, and develop skills that push the boundaries of engineering.

If you’re looking for a challenging, impactful role where you can grow alongside a team that’s redefining observability for AI, we’d love to hear from you.

Key Responsibilities

• Build Features: Design and implement new software features that enhance Helicone’s platform and developer experience.

• Develop and Maintain Backend Services

  • Frontend services (NextJS/Tailwind)

  • Proxy worker (Wrangler/Cloudflare)

  • Application database (Supabase)

  • Analytics database (ClickHouse)

  • Backend Services (Expres/AWS ECS)

  • Queue (Kafka)

• Own Projects End-to-End: Take responsibility for features and systems, from ideation to deployment and beyond.

• Deployment and Operations: Manage and streamline deployment processes to ensure smooth operations.

• Collaborate and Contribute: Work on feature requests, integrations, and documentation improvements to enhance usability.

• Engage with the Community: Actively gather feedback, foster contributions, and improve the developer experience based on real-world insights.

Preferred Skills

• Proficiency in TypeScript: With 91% of Helicone's codebase in TypeScript, deep experience is essential.

• Experience with SQL or Similar: Strong database skills for working with ClickHouse, Supabase, and Postgres.

• Cloud Services Expertise: Familiarity with cloud deployment workflows; experience with Cloudflare is a plus.

• Problem-Solving and Communication: A clear thinker who can break down complex problems and communicate effectively.

• Adaptability: A fast learner who thrives in a dynamic environment with evolving challenges.

• AI Awareness: Solid understanding of LLMs and the current AI landscape.

• Helicone Familiarity: Must have tried the platform at least once—your hands-on experience will be invaluable.

Helicone Tech Stack

• Languages: TypeScript, Python

• Frameworks: Next.js, Tailwind CSS, Express, ShadCN

• Hosting: Kubernetes, AWS, GCP, Vercel, Supabase

• Services: Docker, Postgres, ClickHouse, Cloudflare Workers, Redis

• Developer Tools: Unix, CLI, git

• LLMs: OpenAI, Anthropic, Gemini, TogetherAI, and more