Telnyx

Telnyx is a communications platform based in Chicago, Illinois, founded in 2009. The company specializes in providing carrier-grade voice, messaging, and connectivity services through a global, private IP network. With around 304 employees, Telnyx generates approximately $112.3 million in annual revenue. The leadership team includes Founder & CEO David Casem and Founder & COO Ian Reither. Telnyx offers a range of programmable communications tools. Their voice services feature carrier-grade VoIP and advanced Voice AI for natural interactions. The messaging and connectivity solutions include a cloud-based platform for global IP network services, trunking, and APIs for voice, video, and messaging. Telnyx also focuses on AI solutions, enhancing customer satisfaction with low-latency AI capabilities. Their services support various sectors, including healthcare, finance, and retail, with notable partnerships such as PatientSync and Microsoft Teams.

See Telnyx salariesSalaries20 open jobs20 jobs
Information Technology & Services Austin, United States Founded 2009 ~227 employees Private · Venture

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Employees
227
+0.4% in 3 months
Revenue / employee
$439K
Revenue ~$99.6M
Total funding
$3.1M
Last round Venture, Jul 2021
12-month attrition
11.4%
Tech: 8.2%
H1B filings, FY2026
5
Sponsors visas
Open jobs
20
Last 30 days

Org structure

Headcount by department

Engineering87
Sales48
Other30
Operations22
Success21
Product8
Finance6
Marketing4

Hiring now

See all jobs
Technical Product Manager, Developer Experience & Product-Led GrowthUnited States (Remote); Dublin, Ireland; London, UK10 hours agoSenior Machine Learning Engineer (Voice & Video AI)Dublin; Amsterdam; Krakow1 day agoDeveloper Advocate, Edge & IoTUnited States1 day agoSenior Demand Generation Manager (Paid Media)United States1 day agoAssociate Technical Project ManagerRemote1 day agoSenior Product Marketing Manager, AI ComputeUnited States (Remote); Dublin, Ireland; London, UK1 day agoDirector of Product MarketingUnited States; Dublin, Ireland; London, UK; Paris, France3 days agoDirector, Enterprise Sales (EMEA)Dublin, Ireland; London, UK3 days agoDirector, Enterprise Sales (NORAM)United States3 days agoSoftware Engineer, Go (Edge)EMEA1 week agoInfrastructure Engineer, Edge ComputeEMEA, USA1 week agoSenior Software Engineer, JavaSao Paulo, Brazil; Austin, Texas; Argentina, Dublin, Ireland1 week ago

Funding

  • Jul 2021 · Venture · Frontline Ventures
  • Sep 2014 · Seed · $1M · Point B Capital, Corazon Capital, Lakewest Venture Partners
  • Aug 2014 · Debt Financing · $2.1M
  • May 2014 · Seed

Salaries at Telnyx

All salaries

5 salary profiles in the US

Most reported roles

Software Engineer salaries

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering8
Sales3
IT2
Marketing2
Consulting1
Historical LCA Filings
2026
5
2025
7
2024
4

The department split adds up all the years listed above. FY2026 alone: 5 filings.

Peer reviews

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Anonymous peer reviews on OffTheRecord

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Telnyx FAQ

How many employees does Telnyx have?

Telnyx has about 227 employees, up 0.4% over the last 3 months (as of Apr 2026).

Does Telnyx sponsor H1B visas?

Yes. Telnyx filed 5 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. The largest group was Marketing roles.

What is Telnyx's revenue per employee?

Telnyx makes about $439K in revenue per employee, based on $99.6M annual revenue and 227 employees.

How much does Telnyx pay?

6figr has 5 salary profiles for Telnyx in the US, with pay broken down by role, level, gender and ethnicity on the Telnyx salaries page. See Telnyx salaries

How much funding has Telnyx raised?

Telnyx has raised $3.13M in total funding.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.