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Company profile

LambdaTest is now TestMu AI Tech Stack

AI-native quality engineering cloud for automated web and mobile testing

Software Development San Francisco, California 201–500 employees Founded 2018 Privately Held

TestMu AI, formerly LambdaTest, runs a cloud testing platform whose stack mirrors what it sells: Selenium, Playwright, Cypress and Appium alongside JMeter, Gatling and k6 across AWS, Azure and GCP on Kubernetes. Hiring is split evenly between engineering and sales, all in India, with job posts stressing account expansion, renewals and SQL-to-meeting conversion, which points to a revenue push into the existing customer base after the rebrand.

Tech Stack 75 technologies

Core StackJava Python JavaScript TypeScript Playwright Selenium Cypress Postman Jenkins Azure DevOps GitLab CI/CD AWS Docker Kubernetes MySQL PostgreSQL New Relic Node.js Go MongoDB Prometheus Appium REST Assured Azure GCP JMeter Gatling k6 Sumo Logic Nagios+43 more

What LambdaTest is now TestMu AI Is BuildingChallenges and projects from their job posts

◆Challenges

Low SQL-to-meeting conversion rates
Customer adoption and churn reduction
Manual-heavy testing limiting test coverage
Poor CRM hygiene
Incident response delays
Implementation challenges

▲Active Projects

Account expansion and upselling
Renewal and retention strategy
High-value account campaigns
Landing page design
Data and insights initiatives

Hiring Activity

Steady10 roles · 4 in 30d

Department

Engineering

Sales

Marketing

Seniority

Mid

Junior

Manager

Intern

Senior

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About LambdaTest is now TestMu AI

TestMu AI is the new name for LambdaTest, a quality engineering platform founded in 2018 and headquartered in San Francisco, California. The company began as a cross-browser testing cloud and rebranded in January 2026 to position itself as an agentic AI platform covering large-scale test execution, autonomous testing and quality analytics. It serves software engineering teams running web, mobile and automation testing. The privately held company employs 201–500 people, and its current hiring is concentrated in India.

HeadquartersSan Francisco, California

Company Size201–500 employees

Founded2018

Hiring MarketsIndia

Frequently Asked Questions

Is LambdaTest now called TestMu AI?

Yes. LambdaTest rebranded to TestMu AI in January 2026, expanding from cross-browser testing into an agentic AI quality engineering platform with the same team and technology.

What tech stack does TestMu AI use?

Java, Python, TypeScript, Node.js and Go, with Selenium, Playwright, Cypress and Appium for testing, Kubernetes and Docker on AWS, Azure and GCP, plus MySQL, PostgreSQL, MongoDB, New Relic and Prometheus.

Where is TestMu AI hiring?

Current hiring is in India, split mainly between engineering and sales, with smaller openings in HR and marketing at mostly mid and junior levels.

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How this profile is built

LambdaTest is now TestMu AI's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.