PostHog
posthog.com
Actively hiring
A/B Testing & Experimentation
Product Analytics & Session Replay
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Technologies
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Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$97M
3 rounds on record
Latest round
$70M
Venture round · Jun 2025 · 16 mo ago
Team
54
US Form 5500 (plan participants) · Dec 2025 · +135% in a year
Hiring now
10
+4 posted in 30 days
Backers
4
Y Combinator, GV
The money's age
Due for its next round
16 months since the last round · and hiring
Momentum
56/100
hiring for its size, a new city, in the news, rising traction
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
2025
Team of 54 was 23 · US Form 5500 (plan participants)
Nov 11, 2025
On the Hacker News front page Collaboration sucks · 486 points
Sep 11, 2025
On the Hacker News front page Why our website looks like an operating system · 684 points
Jun 16, 2025
Raised a round Venture round $70M · SiliconANGLE
Jan 14, 2024
On the Hacker News front page Posthog is closing their Slack community in favor of forum · 396 points
Sep 29, 2023
On the Hacker News front page Burning money on paid ads for a dev tool – what we've learned · 679 points
Jun 28, 2022
On the Hacker News front page Job interview questions engineers should ask, but don't · 524 points
Mar 7, 2022
Launched on Hacker News Show HN: How we used Gatsby and Puppeteer to create dynamic Open Graph images
Jun 10, 2021
Raised a round Venture round $15M · Venturebeat
Dec 17, 2020
Raised a round Venture round $12M · led by GV
Jan 2020
Went through Y Combinator
2020
Founded
Tractionpublic signals, read monthly
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Jun 2025 | $70M | — | SiliconANGLE |
| Venture round | Jun 2021 | $15M | — | Venturebeat |
| Venture round | Dec 2020 | $12M | GV lead, Y Combinator lead | businesswire.com |
Backed byfrom the funds' portfolios and accelerator catalogs
Y Combinator 
GV 
Peak XV Partners 
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Overview
PostHog is a product analytics company headquartered in San Francisco, California, and founded in 2020 by James Hawkins and Tim Glaser. The company builds an open source platform combining product analytics, session replay, feature flags, A/B testing, surveys, and error tracking that teams can self-host or run on its cloud. It went through Y Combinator, operates as a fully remote organisation, and publishes its internal handbook and pricing openly.
News
To build or buy feature flags: Non-obvious things to know
AI agents are causing teams to consider whether they should build their own version of tools they pay for. Feature flags have long been a prime target for this "build or buy" question, even before AI got good. This is because, at their most basic, flags a
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Report
6-7 loops we use every day to make PostHog self-driving
I've mostly given up keeping up with agent trends. Every few months, I ignore all of it and ask what I'm actually getting use out of. Three things always make the list: tools, skills, and loops.(P.S. - If you're sleeping on the PostHog skills store, you'r
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Report
What happens to engineers when AI writes all the code?
Engineers aren't going away. They'll be piloting the product loop.
Read more
Report
Multimodal models need video. We froze time to give it to them
Almost none of the session recordings we ingest are watched. The majority are stored, never opened, and expire without receiving any attention.It's no wonder, really: a moderately busy product results in tens of thousands of recordings per day. You'd need
Read more
Report
From 1 to 100 IRL events in a year: The secret to getting engineers to demo
Since I joined PostHog in summer 2025, we've gone from doing 1 IRL event to over 100 in a year. Roughly 95% of those events involve speaking to customers, and over 50% of the company has gone out and demoed in cities around the world - and that percentage
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Report
PostHog Reported Zero Signups While Supabase Showed One
A debugging story about cookieless analytics, email confirmation redirects, and why the product database must remain the source of truth for signup conversion.
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Report
Your startup shouldn't have merch
Lots of people praise PostHog's merch . It inspires startups to want to create merch of their own. After all, how hard could it be to create a t…
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Report
Mind the context gap
Part of my job as a product marketer at PostHog is keeping tabs on what every other company in the data space is talking about. So I read a lot of industry reports, and surrendered my email address to a bunch of different mailing lists. Here's what I lear
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Report
Building a semantic layer: What it is and how we did it at PostHog
Ask Claude, Cursor, and PostHog AI the same question: "what was our MRR last month?", and you'll get three different queries and three different numbers.I did exactly this, half-expecting the tools to agree. They didn't; one summed a Stripe table, one fou
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Report
The most common questions about developer marketing, answered
One of the baffling things about leading the marketing team at PostHog is how often I get asked for advice. People seem to look at PostHog and say "Wow, they have billboards across San Francisco, they must really know what they're doing" - but that's not
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Tech stack
Technologies named in job postings at PostHog over the last 12 months, by layer, with the share of postings for each.
Technologies in use
57
Postings analysed
18
Stack modernity
82/100AI adopter
Languages
SQL94%
JavaScript17%
Go11%
Python11%
Frameworks & libraries
Lottie6%
Next.js6%
React.js6%
Remix6%
Databases
ClickHouse17%
DuckDB6%
PostgreSQL6%
Redis6%
Cloud & platforms
AWS22%
Kubernetes17%
Amazon EKS11%
Linux11%
AI & ML
Claude6%
LLM6%
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Full PostHog tech stack
57 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
74/100
Growing
Open positions
10
3 opened / 2 closed in 30 days
Median time-to-fill
46 days
faster than 29% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
14%
DevOps
14% ▼
Design
14%
AI/ML
7% ▼
Security
7% ▲
Product
7% ▲
Activity Timeline
Added LLM to stack
Oct 2026
Added TypeScript to stack
Sep 2026
Added Model Context Protocol to stack
Sep 2026
Added Django to stack
Sep 2026
New location: Cambridge
Sep 2026
Added Incident Management to stack
Sep 2026
Added SIEM to stack
Sep 2026
Added Linux to stack
Sep 2026
Added Wiz to stack
Sep 2026
Added Threat Modeling to stack
Sep 2026
Added Semgrep to stack
Sep 2026
Added npm to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
2
Busiest office
San Francisco
Loading the map
Headquarters
Builds here
Office with open vacancies
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San Francisco
United States
HQ
1 open roles 1 posted in 90 days 100% engineering 50-200 est. staff
hires for DevOps
2261 Market Street #4008, San Francisco, CA, 94114, US
Cambridge
United Kingdom
Engineering / R&D
1 open roles 1 posted in 90 days 100% engineering 50-200 est. staff
hires for AI/ML
Jobs
≈ $92k – $214k per year (Estimated) • Remote (United States) • Full-Time
SQL
Model Context Protocol
Mobile
Lottie
Design
Adobe Photoshop
Adobe After Effects
Management
Slack
Apply
Remote (location not specified) • Full-Time
SQL
Model Context Protocol
Management
Slack
Apply
≈ $123k – $260k per year (Estimated) • Remote (United States) • Full-Time
Python
TypeScript
SQL
Django
AI/ML
Model Context Protocol
Management
Slack
Apply
≈ $63k – $149k per year (Estimated) • Remote (EU, United Kingdom) • Full-Time • 3+ years exp
JavaScript
SQL
Model Context Protocol
Frontend
npm
DevOps
CI/CD
AWS
Incident Management
IAM
Cybersecurity
Semgrep
Wiz
Threat Modeling
SIEM
Management
Slack
Apply
Hybrid • Full-Time • PhD • Cambridge
Rust
SQL
Model Context Protocol
CUDA Toolkit
Jupyter Notebook
Transformers
PyTorch
CUDA
Management
Slack
Apply
≈ $126k – $282k per year (Estimated) • In office • Full-Time • San Francisco
SQL
Model Context Protocol
AI Agents
DevOps
Terraform
Cilium
GitHub Actions
Terragrunt
CI/CD
GitOps
ArgoCD
AWS
Kubernetes
Self-Healing
Karpenter
Amazon EKS
IAM
Linux
Management
Slack
Apply