Founding Engineer — Full-stack

Atlas; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Atlas is seeking an early full-stack engineer to build the foundational features of a self-hosted authentication platform. You will span from database design to the developer-facing React SDK, influencing product direction and implementation.

You will implement sessions, tokens, MFA, RBAC, and a evolving Postgres schema, while creating libraries and integrations for developers to plug into their apps. This role rewards ownership and end-to-end delivery across multiple layers.

Qualifications

• Experience spanning both database and application layers.
• Design or build authentication systems including sessions or tokens.
• Familiarity with Postgres and relational schema design.
• Experience building React libraries, SDKs, or integrations.
• Ability to own features end-to-end across multiple layers.

Responsibilities

• Develop authentication capabilities, including sessions, tokens, and multi-factor authentication.
• Build support for organizations and role-based access control.
• Design and evolve the platform’s Postgres schema.
• Create and maintain the React SDK developers integrate into their applications.
• Own features across the stack, from data model to customer-facing integration.

Skills

Full-stack engineering

Authentication systems

Postgres relational design

React libraries/SDKs

Ownership across layers

Job description

Role overview

Build the foundational features of a self-hosted authentication platform that developers can run in their own environments. As an early full-stack engineer, you will take features from database design through to the developer-facing React SDK, with substantial influence over the product’s direction and implementation.

Responsibilities

• Develop authentication capabilities, including sessions, tokens, and multi-factor authentication.
• Build support for organizations and role-based access control.
• Design and evolve the platform’s Postgres schema.
• Create and maintain the React SDK developers integrate into their applications.
• Own features across the stack, from data model to customer-facing integration.

Requirements

• Full-stack engineering experience spanning database and application layers.
• Experience designing or building authentication systems, including sessions or tokens.
• Familiarity with Postgres and relational schema design.
• Experience building React libraries, SDKs, or application integrations.
• Ability to take ownership of features through implementation across multiple layers.