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Founding Engineer
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-02-11
Listing for:
Weekday AI (YC W21)
Full Time
position Listed on 2026-02-11
Job specializations:
-
Software Development
Cloud Engineer - Software, Full Stack Developer
Job Description & How to Apply Below
This role is for one of the Weekday's clients.
Salary range: $130k - $180k
Experience:
5+ YoE
Join a passionate founding team and work closely with the leadership to design and deliver highly scalable systems that transform the LLM developer experience. This is a rare opportunity to shape a product from inception, influence its technical direction, and make a significant impact on the future of AI observability.
Key Responsibilities- Feature Development:
Design, develop, and implement new features to enhance the platform and improve developer experience. - Backend & Frontend Services:
- Frontend:
Next.js, Tailwind CSS - Proxy worker:
Wrangler/Cloudflare - Application database:
Supabase - Analytics database:
Click House - Backend services:
Express/AWS ECS - Queue systems:
Kafka
- Frontend:
- End-to-End Ownership:
Manage projects from ideation to deployment and post-launch optimization. - Deployment & Operations:
Oversee deployment workflows and ensure smooth, reliable system operations. - Collaboration:
Work on feature requests, integrations, and documentation enhancements to improve usability. - Community Engagement:
Gather user feedback, encourage contributions, and iterate on the product based on real-world use cases.
- Type Script Expertise:
Strong experience in Type Script (core to the majority of the codebase). - Database Knowledge:
Proficiency with SQL and similar technologies, with experience in Click House, Supabase, and Postgres. - Cloud Services:
Familiarity with cloud deployment workflows; experience with Cloudflare is advantageous. - Problem-Solving & Communication:
Ability to simplify complex problems and communicate effectively with both technical and non-technical stakeholders. - Adaptability:
Quick learner who thrives in a dynamic, fast-paced startup environment. - AI Knowledge:
Solid understanding of LLMs and the AI ecosystem. - Hands-On Product Familiarity:
Prior use of the platform is preferred to bring valuable user insights into development.
- Languages:
Type Script, Python - Frameworks:
Next.js, Tailwind CSS, Express, ShadCN - Hosting:
Kubernetes, AWS, GCP, Vercel, Supabase - Services:
Docker, Postgres, Click House, Cloudflare Workers, Redis - Developer Tools:
Unix, CLI, Git - LLM Integrations:
OpenAI, Anthropic, Gemini, Together
AI, and others
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