solo.io
Solo.io sells software for connecting applications and AI workloads across cloud environments. The Cambridge-based company has raised $172M and employs 302 people.
The growth story
solo.io grew from 62 to 302 employees between 2021 and 2026, raising $172M along the way, most recently a Series C in October 2021.
About
Solo.io develops tools for managing application networking, including API gateways and service mesh software. Its products help enterprises connect and secure applications and AI systems across hybrid cloud setups.
The company raised $172M in a Series C round in 2021, led by Altimeter Capital and other investors. With 302 employees, it draws heavily from enterprise software veterans, particularly Red Hat and IBM.
Founders and leadership
Engineering is Solo.io's largest function, accounting for 72 employees. The company has a median tenure of 2 years, suggesting relatively high turnover.
The solo.io org chart
Idit Levine (Founder & CEO) leads 59 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 77 (+15% YoY), Operations 39 (+15% YoY), Sales 31 (0% YoY), Arts and Design 20 (+25% YoY), Information Technology 15 (+7% YoY), Business Development 13 (+18% YoY).
Talent flow
Solo.io recruits heavily from enterprise software companies, with Red Hat (18 hires) and IBM (13) being top sources. Alumni frequently move to Red Hat, Google, and HashiCorp.
Most common previous employers of solo.io staff: Red Hat (18), IBM (13), Kong (9), Google (9), VMware (9), Oracle (7). Former solo.io employees most often moved to Red Hat (7), Google (5), HashiCorp (4), Kong (3), NVIDIA (3), Rafay (2).
Alumni worth knowing
The solo.io mafia
Three companies have been founded by Solo.io alumni, including Acyclic and Samaras Learning Labs. One startup remains unannounced.
3Jona Apelbaum, was Principal Solutions Engineer until 2024Graham Goudeau, was Software Engineer until 2020Tara French MA, MA, was Business Development until 2023Hiring now
Web traffic
Traffic mix: 32% direct, 43% search, 9% social, 1% paid.
What this company is made of
Most common skills at solo.io: Kubernetes (75), Java (63), Python (Programming Language) (60), Cloud Computing (54), Linux (52), JavaScript (50), Go (Programming Language) (48), Software Development (47).
Where the team actually sits
solo.io people are concentrated in California, United States (12), Greater Boston (12), Massachusetts, United States (9), United States (6).
Search footprint
solo.io attracts about 13,600 organic search visits a month, traffic worth roughly $31K a month if bought through ads. It gained 1,206 ranking keywords and lost 736 in the last period.
What employees say
- Compensation
- 3.60 / 5
- Career opportunities
- 3.10 / 5
- Senior management
- 2.70 / 5
- Work-life balance
- 3.30 / 5
Frequently asked
solo.io has 302 employees as of September 2026.
solo.io has raised $172M in total, most recently a Series C round in October 2021.
solo.io was founded in 2017 by Idit Levine.
Idit Levine (Founder & CEO) sits at the top of solo.io's reporting structure, with 6 direct reports.
The most common previous employers of current solo.io staff are Red Hat (18 people), IBM (13 people), Kong (9 people).
Former solo.io employees most often move to Red Hat (7), Google (5), HashiCorp (4).
At least 3 companies have a founder who previously worked at solo.io, including To be announced, Acyclic, Samaras Learning Labs.
solo.io attracts about 13,600 organic search visits a month, worth roughly $31K a month in equivalent ad spend.
The most common skills among solo.io staff are Kubernetes, Java, Python (Programming Language), Cloud Computing, Linux.
solo.io staff are concentrated in California, United States (12), Greater Boston (12), Massachusetts, United States (9).
solo.io has about 77 people in Engineering, up 15% over the past year, as of September 2026.
solo.io has about 39 people in Operations, up 15% over the past year, as of September 2026.
Computed from 149 current and 186 former solo.io profiles, as of September 2026. Source: Crustdata.
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