Companies using Slack: 206 startups hiring for it (Oct 2026)

206 of 412 venture-backed and growth companies mention Slack in at least one currently open job post. Below are the 25 with the most roles mentioning it, each with a public job post as evidence. Companies that hire for a tool are investing in that stack now, which makes this list useful for account targeting, competitive displacement and partner sourcing.

Get the full list: all 412 companies × 93 tools, with role counts and the public job post that evidences each mention (CSV). One-time snapshot, $49 · Weekly refresh, $99/mo (new roles every Monday; add up to 50 companies and 10 tools of your choice). 7-day refund.
CompanyRoles mentioning SlackOpen rolesExample job post
Elastic82376Director of Software Engineering - Distributed Systems, Serverless - E
One Medical60393Administrative Assistant/Front Desk Coordinator (Aliso Viejo, CA)
Anthropic33651AI Operations Engineer, Partnerships
Ashby2363Engineering Manager - EU
Fivetran22186Business Development Representative
Navan22209Business Travel Consultant (Berlin or Remote) (Geschäftsreiseexperte)
Honeycomb.io2121Enterprise Account Executive
Matillion1920Cloud Operations Analyst
Gorgias1717Account Executive, Expansion L2
GitLab16216Benefits Analyst
Twilio14143Billing Operations Analyst 1
1Password1369Account Executive, Enterprise — Future Opportunities (San Francisco)
Braze13322Director, Applied AI Architects
ClickHouse12197Core Software Engineer (C++) - Remote
PostHog1111Technical Customer Success Manager - EMEA
Stripe11724Brand Producer, Link
Gusto10101Customer Experience Specialist, Health Insurance Benefits
OpenAI10806IT Support Specialist
Airwallex9501Payroll Partner, EMEA
Flexport9206Security Engineer, Corporate Security
Linear930Senior / Staff Fullstack Engineer
Relativity Space9362Factory Test Technical Specialist I - 1st Shift
Replit971Support Engineer I (FC, Weekend Shift)
Scale AI9183Contributor Experience Manager, Community
Alpaca876Data Risk Engineer

181 more companies mention Slack; they are in the full CSV.

Get the full list: all 412 companies × 93 tools, with role counts and the public job post that evidences each mention (CSV). One-time snapshot, $49 · Weekly refresh, $99/mo (new roles every Monday; add up to 50 companies and 10 tools of your choice). 7-day refund.