IPinfo.io

IPinfo is a provider of IP address data, including geolocation, VPN and residential proxy detection, mobile carrier data, and over 20 context tags. The API handles over 120 billion requests per month and the company licenses its data for use in products and services. IPinfo is fast-growing and bootstrapped, with a globally distributed team of around 60 people. Customers include Cloudflare, T-Mobile, SpaceX, DemandBase, and Clearbit. The company sponsors and contributes to academic conferences like ACM IMC and ACM CoNEXT, staying connected with the internet measurement and research community. Roles mentioned include Infrastructure Engineer and an Internal Tools / Retool Engineer. The company is also looking for strong software or data engineers with an internet measurement/analysis background.