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# Founding Engineer

- **Company:** Echelon Corporation
- **Location:** San Francisco, CA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Amazon Cloudfront, Amazon S3, JIRA, Microsoft Azure, Cloud Computing, Human Resources Information System (HRIS), Python (Programming Language), PostgreSQL, Netsuite, OAuth, OpenAI, Salesforce.Com, SQL Databases, Systems Integration, TypeScript, Enterprise Software Applications, ReactJS, Retrieval-Augmented Generation, Backend, Agentic-AI, Fastapi, Amazon Relational Database Service, AWS Fargate, Restful APIs, Terraform, Workday, Docker, Microservices
- **Published:** October 18, 2026
- **Apply:** https://www.careerbuilder.com/job-details/founding-engineer-san-francisco-ca--33d4d88a-85cf-46b5-a7ad-524fedaa4f5e

## About the Role

* High-agency builder who moves fast and takes full ownership.
 * Experienced with 01 environments and comfortable wearing multiple hats.
 * Confident in high-intensity, customer-facing settings.
 * Pragmatic about tradeoffs, opinionated about great systems.
 * Obsessed with shipping polished, production-grade work quickly.

Ideal Background

 * 3-8 years of full-stack or backend experience at a fast-paced startup or top-tier company.
 * Strong backend fundamentals (Typescript, REST APIs, SQL) and cloud infrastructure experience (Azure, AWS, Docker, Terraform).
 * Experience integrating enterprise systems or working with OAuth/SSO.
 * Bonus: experience with Agentic workflows, Agent Frameworks (AI SDK, Agents SDK, etc.), RAG pipelines, or ML orchestration.

## Description

About EchelonEchelon is the AI operating system for corporate transformation - your agentic command center for running a leaner, faster, and more aligned business.We integrate directly with enterprise systems (HRIS, ERP, CRM, CLM, Email, etc.) to create a live map of people, contracts, and goals - then our AI engine recommends what to do next: where to rightsize, where to invest, and where AI can replace or augment workflows.Backed by [REDACTED Tier-1] and [REDACTED Tier-1]. Part of OpenAI'sGrove pilot. Live pilots with PE, government, and enterprise customers.What You'll DoBuild 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, etc.).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.Tech StackPython / FastAPI * React / TypeScript * AWS (ECS Fargate, RDS, S3, CloudFront) * Terraform * Docker * PostgresWho You AreHigh-agency builder who moves fast and takes full ownership.Experienced with 01 environments and comfortable wearing multiple hats.Confident in high-intensity, customer-facing settings.Pragmatic about tradeoffs, opinionated about great systems.Obsessed with shipping polished, production-grade work quickly.Ideal Background3-8 years of full-stack or backend experience at a fast-paced startup or top-tier company.Strong backend fundamentals (Typescript, REST APIs, SQL) and cloud infrastructure experience (Azure, AWS, Docker, Terraform).Experience integrating enterprise systems or working with OAuth/SSO.Bonus: experience with Agentic workflows, Agent Frameworks (AI SDK, Agents SDK, etc.), RAG pipelines, or ML orchestration.Why EchelonWe're early, funded, and shipping fast - already live with paying pilots and inbound demand. You'll work directly with the founders (ex-Meta, Citadel) and help define the product, architecture, and DNA of the company.This is a founding-tier role with high ownership, high intensity, and meaningful equity.Compensation: Competitive salary + meaningful equityStart Date: ImmediateLocation: SF
About EchelonEchelon is the AI operating system for corporate transformation - your agentic command center for running a leaner, faster, and more aligned business.We integrate directly with enterprise systems (HRIS, ERP, CRM, CLM, Email, etc.) to create a live map of people, contracts, and goals - then our AI engine recommends what to do next: where to rightsize, where to invest, and where AI can replace or augment workflows.Backed by [REDACTED Tier-1] and [REDACTED Tier-1]. Part of OpenAI'sGrove pilot. Live pilots with PE, government, and enterprise customers.What You'll DoBuild 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, etc.).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.Tech StackPython / FastAPI * React / TypeScript * AWS (ECS Fargate, RDS, S3, CloudFront) * Terraform * Docker * PostgresWho You AreHigh-agency builder who moves fast and takes full ownership.Experienced with 01 environments and comfortable wearing multiple hats.Confident in high-intensity, customer-facing settings.Pragmatic about tradeoffs, opinionated about great systems.Obsessed with shipping polished, production-grade work quickly.Ideal Background3-8 years of full-stack or backend experience at a fast-paced startup or top-tier company.Strong backend fundamentals (Typescript, REST APIs, SQL) and cloud infrastructure experience (Azure, AWS, Docker, Terraform).Experience integrating enterprise systems or working with OAuth/SSO.Bonus: experience with Agentic workflows, Agent Frameworks (AI SDK, Agents SDK, etc.), RAG pipelines, or ML orchestration.Why EchelonWe're early, funded, and shipping fast - already live with paying pilots and inbound demand. You'll work directly with the founders (ex-Meta, Citadel) and help define the product, architecture, and DNA of the company.This is a founding-tier role with high ownership, high intensity, and meaningful equity.Compensation: Competitive salary + meaningful equityStart Date: ImmediateLocation: SF
Echelon is the AI operating system for corporate transformation - your agentic command center for running a leaner, faster, and more aligned business.
We integrate directly with enterprise systems (HRIS, ERP, CRM, CLM, Email, etc.) to create a live map of people, contracts, and goals - then our AI engine recommends what to do next: where to rightsize, where to invest, and where AI can replace or augment workflows.
Backed by [REDACTED Tier-1] and [REDACTED Tier-1]. Part of OpenAI'sGrove pilot. Live pilots with PE, government, and enterprise customers.

Python / FastAPI * React / TypeScript * AWS (ECS Fargate, RDS, S3, CloudFront) * Terraform * Docker * Postgres

We're early, funded, and shipping fast - already live with paying pilots and inbound demand. You'll work directly with the founders (ex-Meta, Citadel) and help define the product, architecture, and DNA of the company.
This is a founding-tier role with high ownership, high intensity, and meaningful equity.

Compensation: Competitive salary + meaningful equity
Start Date: Immediate
Location: SF