Developer tools

StarSling

Website
Founded 2025Origin source ↗Checked 2026-09-15

Overview

Drop-in Ubuntu runners plus AI agents that open optimization PRs for your workflows. StarSling Runners continuously improve your CI to make it up to 10x faster and 13x cheaper.

Company description As recorded 2026-11-08

Product & workflow

Partcl “ The agents went through every workflow we had and did the annoying but valuable work we'd never gotten to: caching builds across shards, parallelizing our tests, right-sizing each job to the machine it actually needed.

Source-reported As recorded 2026-09-30

Founders & team

Yonas Beshawred

Founder/CEO

Co-founder & CEO @ StarSling 💫 Previously Founder & CEO of StackShare, a developer community that had 1.5M+ devs and an enterprise SaaS offering ~$1M ARR, then sold to FOSSA.

Founder profile As recorded 2026-09-15

Daniel Worku

Founder/CTO

Co-founder & CTO @ StarSling 💫 Built Netflix’s Internal Developer Portal (IDP) for their 3K+ engineers & managers and scaled it to become the highest DAU internal tool for devs. Eng on Facebook’s AI Camera team and helped build the mobile computer vision lib that currently powers camera effects for 100M+ DAUs across IG, FB, and WhatsApp.

Founder profile As recorded 2026-09-15
3team members reported
Source-reported As recorded 2026-09-15

Founded 2025 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The homepage contains prelaunch or closure language; availability needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observedrecent publishing observed