The problem
Developers find out about broken code from users and waste hours tracing the cause
What they do
Error tracking and application monitoring for developers, plus Seer AI debugging agent
Traction Passed $100M ARR in 2023; 150,000 organizations and 4M+ developers (Jan 2026)
Hiring trend
- Open roles
- 43
- Ops roles
- 3
- Headcount
- ~450
Headcount ~392 to ~433 (Apr 2025 to Apr 2026, ~+10%); open roles ~37 (Aug 2025) to 46
Hiring in
- San Francisco
- Toronto
- Vienna
- Remote
Glassdoor
4.4 ★ 56 reviews ↗Funding
- Last round
- $90M
- Stage
- Series E
- Date
- May 2022
Led by BOND, Accel
- Hiring+243 open roles on the live job board (30+ roles = +2)
- Funding recency0Series E · $90M, May 2022 (53 months ago): over 24 months = 0
- Traction+0.75Some growth: Passed $100M ARR in 2023; 150,000 organizations and 4M+ developers (Jan 2026)
- Red flags0Watch-outs noted below, none scored as a significant flag
- Total2.752 + 0 + 0.75 − 0 = 2.75 → Steady (1.5–3.49)
Distance (Half) is a separate read on how long the lead can last. It doesn't change the score.
Distance
Half · edge: hard to leave
Leader in developer error tracking (150K orgs, #1 observability tool by Ramp-customer adoption), but trails Datadog and other APM giants in the wider category; flat funding and a ~62% secondary markdown
Sources: Sentry press release, Jan 2026 (4M developers, 150K orgs) ↗ · Sentry CEO blog, May 2024 ($100M ARR, 100K orgs) ↗ · TrueUp profile (Ramp adoption 65%, category rank #1; vs Datadog) ↗ · Sacra, Apr 2024 (shift to compete with Datadog and New Relic in APM) ↗
Watch-outs
Secondary-market valuation ~$1.1B, ~62% below the $3B Series E mark (Notice.co estimate, Oct 2026); no new funding since May 2022; layoffs in 2024 (reported as three rounds, timing outside the 24-month window, not scored)
Sources: TrueUp (Notice.co secondary valuation), Oct 2026 ↗ · Sentry Series E press release, May 2022 ↗ · 7wData company profile (2024 layoffs, headcount 392 to 433), Jul 2026 ↗ · Glassdoor Sentry (CA) layoff review, Apr 2024 ↗
Last checked Oct 25, 2026
