Founding Engineer - Build Scalable AI Platform (Equity)

echelon; San Francisco (CA); On-site; USD 160,000 - 265,000; Full time

Job summary

Echelon is seeking a founding-tier full-stack/backend engineer to help build and scale the core platform. You will own APIs, microservices, and orchestration across the AWS stack, working closely with customers to map systems and deliver end-to-end solutions. You’ll collaborate directly with the founders to shape product direction and company culture, with high ownership and equity as part of a fast-growing startup.

Location: SF. Start date: Immediate.

Qualifications

• 3–8 years of full-time backend or full-stack experience in fast-paced environments.
• Strong backend fundamentals in Typescript, REST APIs, and SQL.
• Cloud infrastructure experience (Azure, AWS) and containerization (Docker).
• Experience integrating enterprise systems (Workday, NetSuite, Salesforce, Jira).
• Bonus: Agentic workflows/AI SDKs, ML orchestration.

Responsibilities

• Build and scale the core Echelon platform — APIs, microservices, and orchestration systems.
• Design and deploy across our AWS stack (ECS Fargate, RDS, S3, CloudFront, Terraform).
• Integrate with complex enterprise systems (Workday, NetSuite, Salesforce, Jira).
• Collaborate directly with customers to map systems and deliver end-to-end solutions.
• Shape product direction and company culture as a true founding team member.

Skills

Backend development

Typescript

REST APIs

SQL

Cloud infrastructure

Docker

Terraform

OAuth/SSO

Tools

Azure

AWS

Docker

Terraform

Postgres

Job description

Echelon is seeking a founding-tier full-stack/backend engineer to help build and scale the core platform. You will own APIs, microservices, and orchestration across the AWS stack, working closely with customers to map systems and deliver end-to-end solutions. You’ll collaborate directly with the founders to shape product direction and company culture, with high ownership and equity as part of a fast-growing startup.

Location: SF. Start date: Immediate.