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Role description

General Application

Cinder logocinderYC W22
TypeFull-time
WorkplaceOn-site
Salary$100,000–$250,000
LocationSan Francisco, CA
Posted8/5/2026
Other

About Cinder

Cinder is the mission-critical infrastructure that keeps the world's most important digital platforms true to what they stand for. The internet has always been abused by bad actors, and AI is making it exponentially worse, driving fraud, abuse, and manipulation at a scale and speed no human team can fight alone. Cinder gives platforms one command center to fight back: to write and enforce policy, deploy AI agents against abuse in real time, investigate threats, file NCMEC reports, and prove their safety programs are working.

Our customers are some of the largest internet platforms in the world. The decisions made in our software directly determine what stays up, what comes down, and how users are treated.

We're a small, fast-moving team backed by Accel and Y Combinator. We care about being intentional, direct, and deeply focused on solving real customer problems.

Why this exists

We don't have an open role for everyone who'd be great at Cinder. This is for the people we'd regret not talking to anyway.

If you've read through our open roles and nothing quite matches your background, but you think there's a reason you should be working on trust & safety infrastructure, this is where you tell us.

What to send us

Please share your resume and a cover letter that includes:

  • What you'd actually want to do here, specifically. Not "anything" — a role, a problem, a team.

  • Why Cinder, not just "an interesting company." What about this problem space pulls you in.

  • One thing you've built or shipped that we should know about.

Relevant archetypes

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Company info

Cinder logo

Cinder

Cinder | Responsible AI, Trust & Safety, and Data Labeling At Scale

Cinder is the industry’s first Trust and Safety operations platform to help organizations combat Internet abuse at scale. We provide Trust and Safety teams with a single system to manage complex integrity operations and investigations to create a safe environment for their users.

Private companySeries BYC W22
Founded2022
HQUnited States, United States
Size11-50 employees
Unlock human wisdom
ThesisTermsPrivacy
Industry
Software Development
Funding
  • Series B · May 12, 2026
  • Funding round · Jan 1, 2024
Tech stackbootstrap, resonate, databricks, runai, tailwind, scaleai, apache-james, zendesk, slack, flexitime

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