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Software Engineer, Model Capabilities

NotionSan Francisco, CaliforniaEngineering
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Salary
$255K - $300K USD
Job type
Full-time
Work mode
Remote
Posted
23 Sept 2026
Status
Open · checked 7d ago

About this role

Role Overview

The Software Engineer, Model Capabilities position at Notion is a full-time engineering role based in San Francisco, California, with remote flexibility. This opportunity suits professionals with experience in production AI systems who want to own the model layer of Notion AI and integrate cutting-edge capabilities.

Key Responsibilities

Integrate new frontier models into production quickly to serve both users and engineers.
Ensure inference reliability through improved error categorization, self-healing retries, and cross-provider failover mechanisms.
Manage observability for the model layer to minimize time to detection and time to resolution.
Develop new model-level capabilities and assist product teams in adopting them.
Serve as a central connection point across Notion's AI teams to clear blockers and coordinate fixes.

Requirements

Keep pace with the rapidly evolving model landscape with a pragmatic approach to adoption.
Demonstrate strong AI fluency as a practitioner who uses AI tools seriously in daily work.
Bring hands-on experience building and operating production systems on top of LLM APIs.
Understand token economics, streaming, tool calling, and context limits alongside failure modes.
Rely on data-driven measurement rather than intuition when shipping prompt or model changes.
Treat latency and financial cost as core product qualities while balancing output quality.

Skills and Tools

LLM
Production AI systems
Token economics and streaming
Tool calling and context limits

Salary and Benefits

Notion provides highly competitive cash compensation, equity, and benefits. For roles based in San Francisco, the estimated base salary range is $255,000 to $300,000 per year, with actual compensation determined by factors such as location, role scope, complexity, and candidate experience.

About the Company

Notion builds a collaborative AI workspace where teams and agents think together, uniting knowledge, projects, meetings, and AI tools in one platform. Millions of individuals, small teams, and large companies rely on Notion to streamline their work, automate busy work, and set new standards for human collaboration in the AI era.

How to Apply

Interested candidates should visit the official Notion careers page to submit an application.

Skills and tech stack

LLM

Questions candidates ask

What is the location for the Software Engineer, Model Capabilities role?

The role is based in San Francisco, California or New York City, with remote flexibility and required office attendance on Mondays, Tuesdays, and Thursdays.

What is the salary range for this position?

The estimated base salary range for roles based in San Francisco or New York City is $255,000 to $300,000 per year, depending on factors like experience and expertise.

What kind of technical experience is required?

Candidates must have production AI systems experience, meaning they have built and operated systems on top of LLM APIs, understanding token economics, streaming, tool calling, and context limits.

What does the Model Capabilities team do?

The team owns the model layer of Notion AI by integrating frontier models, maintaining reliable and economical inference at scale, and building new capabilities for other teams.

How should I apply for this job?

You can apply directly on the official Notion careers page.

Ready to apply?

The application is on the official Notion careers page.

Apply on company site