Demo

Full Stack Engineer

echo LLM
San Francisco, CA Full Time
POSTED ON 10/6/2025
AVAILABLE BEFORE 4/3/2026

About echo

AI conversations are the new medium of information. Echo makes ads useful, not annoying.

Every ad is unique. Every conversation is unique. We place helpful, natural language ads inside AI chat so brands grow, developers thrive, and users actually enjoy the experience.

Our Echo Chat AI Assistant fuels this new medium, allowing developers to monetize platforms, reduce churn, and break down paywalls. Brands reach people through intent, not interruption. Done right, ads in chat aren’t noise. They are the future.



What You Will Do

Join our growing Engineering team in either Los Angeles or San Francisco and work on developing the future of AI Advertising.

As a full-time Full Stack Engineer, you will be responsible for lead development of echo’s chat platform and ad-insertion infrastructure. You will mentor engineers, shape architecture, and scale systems to millions of users.


The Day-To-Day

  • Develop and maintain web applications using modern backend and frontend technologies.
  • Write secure, maintainable, and efficient code.
  • Maintain API and front-end libraries.
  • Agile Scrum and CI/CD software development


Qualifications

  • Bachelor's degree or higher in Computer Science or similar field
  • A minimum 3 years experience in full stack engineering
  • Expertise in React/Next.js
  • Expertise in Node.js/TypeScript
  • Expertise in scalable API design.
  • Strong cloud infra experience (AWS/GCP), production at scale


What Will Help You Succeed

  • Experience with REST APIs, RESTConf and web services.
  • Containerization with Docker or equivalent


Pay Range: $100k–$200k equity


Actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.


Salary : $100,000 - $200,000

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