Teams using Kotlin

AssemblyAI is a Speech AI company building state-of-the-art AI models for transcribing and understanding human speech.

Chili Piper is the scheduling and routing software for B2B revenue teams.

DuckDuckGo is an ethical alternative to other major web searching engines.

Epam is a global consulting company that focuses on product development, digital platform engineering, and design.

Epic Games is a US-based gaming company, producing and publishing games. They\

Help Scout is a one-stop software for customer service.

Hims & Hers (founded 2017) is remote-first telehealth platform with proprietary EMR and AI-powered MedMatch. $872M revenue, 1.7M subscribers. Kotlin/Postgres backend, React/Node.js frontend. Mo Elshenawy CTO in 2025. Targets $2.3-2.4B revenue by 2025.

Komoot develops a route planning app (web & mobile). It lets you create and share your own hike or bike trails.

Luxoft is an international company focused on custom software development for automotive, finances, healthcare, telecommunications, and other fields.

Potentially is an education technology start-up developing software for universities and colleges.\nThe Potentially platform helps universities to embed competence and skills development of students into the curriculum.

Rows is a Portuguese startup building an intelligent spreadsheet platform where cells call APIs and automate jobs. Enables creating interactive web apps with spreadsheet skills. Remote-first with team gatherings.

SoftwareMill is a flat-structured company which develops software for clients from all over the world. The main focus is on the Scala, Akka, and Kafka.

VMWare is all about virtual machines, containers, and clusters. They\

Vivid Money (founded 2019 by Artem Yamanov & Alexander Emeshev, Berlin) is financial super app with $886M valuation, $114M Series C 2022. COVID-native mobile-first. Solarisbank infrastructure (breaking away for own license). Visa debit cards. CSSF Luxembourg, AFM Netherlands regulated. Offices: Amsterdam, Luxembourg, Limassol.