Founding Full-Stack Engineer for AI API Platform

Orthogonal

San Francisco (CA)

On-site

USD 150,000 - 220,000

Full time

14 days+

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Job summary

Orthogonal is looking for a Founding Engineer to design and build across the entire stack from backend APIs to frontend products in San Francisco. You will collaborate closely with the founders and have an opportunity to shape engineering culture.

The ideal candidate has full-stack experience, is comfortable with REST APIs and modern frontend frameworks like Next.js and React, and holds a BS in Computer Science or a related technical field. Compensation ranges from $150K to $220K plus equity.

Qualifications

  • Strong foundation in Computer Science, including data structures and algorithms.
  • Hands-on experience with REST APIs and microservices.
  • Familiarity with cloud infrastructure and CI/CD workflows.

Responsibilities

  • Write production-quality code and design technical solutions.
  • Own features end-to-end across frontend and backend.
  • Collaborate closely with the founders to translate user needs.

Skills

Full-stack experience
REST APIs
Next.js
React
TypeScript
Collaboration
Algorithms
Performance optimization

Education

BS or higher in Computer Science, Engineering, or related field

Tools

Postgres

Job description

Orthogonal is looking for a Founding Engineer to design and build across the entire stack from backend APIs to frontend products in San Francisco. You will collaborate closely with the founders and have an opportunity to shape engineering culture.

The ideal candidate has full-stack experience, is comfortable with REST APIs and modern frontend frameworks like Next.js and React, and holds a BS in Computer Science or a related technical field. Compensation ranges from $150K to $220K plus equity.

Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

Founding Full-Stack Engineer for AI API Platform
Founding Full-Stack Engineer for AI API Platform

Orthogonal • San Francisco (CA)

On-site
USD 150,000 - 220,000
Founding Full-Stack Engineer, AI API Platform (Equity)
Founding Full-Stack Engineer, AI API Platform (Equity)

Orthogonal • San Francisco (CA)

On-site
USD 150,000 - 220,000
Founding Engineer, Full-Stack
Founding Engineer, Full-Stack

Orthogonal • San Francisco (CA)

On-site
USD 150,000 - 220,000
Founding Full‑Stack Engineer — Equity & AI Platform
Founding Full‑Stack Engineer — Equity & AI Platform

Fabrion • San Francisco (CA)

On-site
USD 180,000 - 260,000
Competitive salary
Meaningful equity
Autonomy in building systems
Senior Software Engineer
Senior Software Engineer

present of AI • San Francisco (CA)

On-site
USD 180,000 - 240,000
Founding Software Engineer
Founding Software Engineer

Alldus International Consulting Ltd • San Francisco (CA)

On-site
USD 120,000 - 180,000
Salary range
Equity
Senior Full-Stack Engineer — End-to-End AI Payments
Senior Full-Stack Engineer — End-to-End AI Payments

present of AI • San Francisco (CA)

On-site
USD 180,000 - 240,000
Founding Full-Stack Engineer — Build AI-Driven Platform
Founding Full-Stack Engineer — Build AI-Driven Platform

Floot (YC S25) • San Francisco (CA)

On-site
USD 120,000 - 250,000
Platform & AI Engineer — Scalable Data Pipelines + Equity
Platform & AI Engineer — Scalable Data Pipelines + Equity

JeffreyM Consulting, LLC. • San Francisco (CA)

On-site
USD 260,000 - 290,000
Equity grant vesting over four years
Health insurance
Covered daily lunch and dinner
+1
Founding Applied AI Full Stack Engineer
Founding Applied AI Full Stack Engineer

Alpha Associates Recruitment • San Francisco (CA)

Hybrid
USD 200,000 - 250,000