Ahrefs
As of 3 November 2026, Ahrefs has 13 open roles (2 new in 30 days), its marketing & communications team is hiring most, and its postings name C++, OCaml and ClickHouse as the tools the team works in.
As of 3 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- , , Singapore
- Employees
- 51-200 employees (linkedin)
- Sells to
- marketers, fortune 500 companies, marketing professionals
- Certifications on site
- ISO 27001
- Site languages
- EN, DE, ES, FR, ID, IT, PL, PT, TR, UK, ZH, JA, KO
- Career system
- Greenhouse
Ahrefs in one screen
Read from ahrefs.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Ahrefs is a SaaS company that provides SEO, search marketing, and AI-powered marketing tools for businesses and enterprises. Its offerings include Brand Radar, Rank Tracker, Site Explorer, Traffic Analytics, Keywords Explorer, Content Explorer, Site Audit, Web Analytics, and Social Media Manager. It serves marketers at companies such as IBM, Zoom, LinkedIn, and Fortune 500 organizations.
Named on the site: marketers, fortune 500 companies, marketing professionals, seo specialists, digital marketers.
Seen in buyers' own postings: business & finance services, technology & software, media & content; mostly 11-50 employees and 51-200 employees; United States (722) and India (144).
Nearest companies by what they do, sell and whom they serve, 51+ employees. 575 scored.
Companies whose own job postings name Ahrefs as the system their team works in. Ideal-customer examples, not a reference list from the vendor.
What Ahrefs says it runs
Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.
Our backend is mostly implemented in OCaml with some C++.Our backend is mostly implemented in OCaml with some C++.We run ClickHouse, MooseFS, SeaweedFS, TiDB and Elasticsearch on about 1,200 servers holding hundreds of petabytes, in data centres in Singapore, the US and the UK.We run ClickHouse, MooseFS, SeaweedFS, TiDB and Elasticsearch on about 1,200 servers holding hundreds of petabytes, in data centres in Singapore, the US and the UK.We run ClickHouse, MooseFS, SeaweedFS, TiDB and Elasticsearch on about 1,200 servers holding hundreds of petabytes, in data centres in Singapore, the US and the UK.We run ClickHouse, MooseFS, SeaweedFS, TiDB and Elasticsearch on about 1,200 servers holding hundreds of petabytes, in data centres in Singapore, the US and the UK.• Run and tune TiDB, TiKV, TiCDC and Elasticsearch: scheduling, replication lag, backups, disk balance.• Check risky designs with TLA+ and fault injection, and automate whatever repeats with watchdogs, balancers and dashboards.• Sketch and prototype quickly so bad ideas die cheaply, then design detailed, high-fidelity interfaces and drive them all the way to release.If your preference is leaning towards making the web functional and working on user-facing stuff, you may want to consider our ReasonML position instead.• You know Linux storage internals: page cache, fsync, FUSE, file systems, and how NVMe and HDDs really behave.• You write strong C++, C and Rust, can work in Go, and feel at home in codebases of millions of lines.• You write strong C++, C and Rust, can work in Go, and feel at home in codebases of millions of lines.• You debug with gdb, perf and sanitizers.Vendors whose code loads on ahrefs.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
13 open roles, 10 opened in 90 days
Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring marketing & communications in Singapore →
| open · new 30 d | |
|---|---|
| Marketing & communications | 8 · 1 |
| Design & UX | 2 · 0 |
| IT operations & business systems | 1 · 1 |
| Product, program & project management | 1 · 0 |
| Software engineering | 1 · 0 |
What is changing, read from the postings
Intents are events the employer states about itself, each with the sentence and the posting it came from.
No change signals read in the current postings.
Sales, marketing and IT leaders by function. Add Ahrefs to a monitor and get a webhook when a role opens, a tool appears or a signal is read.
Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
Companies like Ahrefs
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 575 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Ahrefs (, Singapore, 51-200 employees) has 13 open roles, 2 new in 30 days, and names 14 tools in its postings. (Breaknorm, 3 November 2026, https://breaknorm.co/company/ahrefs.com)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ProfileBuilt from ahrefs.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
- HiringRead hourly from the company's Greenhouse career site; reposts collapse into one record.
- Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
- HeadcountLinkedIn where known, otherwise estimated from the site.
Ahrefs: questions
Does Ahrefs use C++?
Yes, by the company's own words: 2 postings name it, first seen 2024-01-22, in the software engineering team.
Is Ahrefs hiring?
13 open roles as of 3 November 2026, 2 opened in the last 30 days and 4 closed. The largest team hiring is marketing & communications.
Where does this profile come from?
From ahrefs.com itself: we crawled it on 2026-10-29, built the profile on 2026-10-31, and read its career site (Greenhouse) hourly since. Headcount is from LinkedIn.
Who should I write to at Ahrefs?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 1 public role addresses from the site are there too.
Get this company your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
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