Investment banking, wealth management, and institutional securities.
Scala 3Scala Adoption Tracker
A curated look at where Scala shows up in the real world—product teams, foundational OSS, and consulting shops. Everything listed here links back to public proof.
Product companies
Used in Apple Maps at least
U.S. government agency responsible for tax collection and tax law enforcement.
Scala 3Sources
- https://github.com/IRS-Public - two repositories, both containing Scala and updated in Nov 2025
Investment banking, wealth management, and institutional securities.
Scala 3Footwear company.
Sources
- https://github.com/Nike-Inc/Fleam
- Scala shows in job descriptions, e.g. https://careers.nike.com/pl/software-engineer-i-reliability-engineering-itc/job/R-73915
Leading Nordic financial institution. Scala is used for their data platform.
Sources
- Multiple job postings over the years, the last one from 2024 - https://www.linkedin.com/jobs/view/scala-developer-with-hadoop-to-the-core-banking-platform-team-at-nordea-3784085803/?originalSubdomain=pl
Professional networking platform and technology company.
Sources
- https://github.com/linkedin/isolation-forest - 77% Scala and active as of 2025-11-16
Multiple evidence from 2015-2020, little after that
Used for data engineering
Unified data and AI platform.
Sources
- Major Spark contributor
- Multiple scala repos https://github.com/databricks?q=&type=all&language=scala
Food and goods delivery platform.
Sources
- https://github.com/twitter/the-algorithm
- https://github.com/twitter/twitter-server - template for services, commits from 2025.
An online education platform.
Sources
- https://github.com/coursera/courier - 49% Scala and active as of 2025-11-18
- https://github.com/coursera/courscala - 98.9% Scala, last commit from 2024-04-18
The Guardian newspaper and more.
Sources
- https://github.com/guardian/grid - 47% Scala and active as of 2025-11-16
Sources
- Job offers in 2025 - e.g. https://careers.ledger.com/jobs/scala-backend-engineer-paris-ile-de-france-france
- They sponsored scala.io a few times - https://scala.io/sponsors
- https://www.youtube.com/watch?v=-8k3WfXVHkc
Online audio distribution platform.
Sources
- https://github.com/soundcloud/twinagle - 100% Scala and active as of 2025-11-16
- https://developers.soundcloud.com/blog/learning-scala-at-soundcloud
Location‑intelligence services and consumer apps.
Sources
- https://github.com/foursquare/fsqio - 73% Scala as of 2025-11-16, last commit from 2024
Presentation and visual-communication platform.
Crypto wealth management platform. More than 1M Scala LOC
Scala 3
And possibly 234 more!
List below has been scrapped from various sources but the entries have not been verified.
Expand
- Abacus
- AdGear / Samsung Ads
- Adidas
- Adobe
- adpulse.io
- adsquare
- Amazon
- Anduin Transactions
- AnyMind Group
- Apollo Agriculture
- Asana
- AT&T
- Aurinko
- Auto.ru
- AutoScout24
- AvantStay
- Avast
- Ayolab
- Babylon Health
- Bank of America
- Banno (Jack Henry)
- BBC
- Believe
- Bloomberg
- Blue Insight Digital
- BlueLabs
- Bpp
- Broad
- Broad Institute
- Caesars Digital
- CalcBank
- Call Handling
- Carvana
- Cellular
- ChannelPilot
- Chartboost
- CiBO Technologies
- ClearScore
- Cloudfarms
- Codacy
- CodeComprehension
- Codept
- Colisweb
- Collibra
- Compellon
- Complicated Robot
- CompStak
- Conduktor
- Connio
- Contramap
- Coralogix
- Coya
- Credit Karma
- Criteo
- CurrencyCloud
- D.E.Solution
- DaSCH
- Dassault Systèmes
- DataChef
- Datalogue
- Demandbase
- Demyst
- Deutsche Telekom IoT GmbH
- Devsisters
- DHL Parcel Netherlands
- Doomoolmori
- Dow Jones
- Dream11
- Dreamlines
- DriveTribe
- Duolingo
- Eaglescience
- Earnest
- eBay
- EDF
- Elastic
- Ematiq
- Emmy Sharing
- EnelX
- EPAM
- Evo
- Evolution
- Flipp
- FOLIO
- Fortnite
- Fugo.ai
- Garner
- Gilt
- Glean
- GLNGN Server
- GMX / Gutefrage
- Google / Alphabet
- GrandParade
- Greyflower Media
- Gympass
- Hapag-Lloyd
- Hello Soda
- HERE Technologies
- Heroku
- Hireproof
- HMRC
- HolidayCheck
- Hootsuite
- Huffington Post
- Hunters.ai
- Hypefactors
- Iceo
- IGN
- iHeartRadio
- IHS Markit
- ImmobilienScout24
- Immozentral
- Indix
- ING Bank
- Investsuite
- Invia
- ITV
- Janrain
- Kaizen Solutions
- Kaizo
- Kamon APM
- Kelkoo Group
- Kensu
- Kinoplan
- Klout
- Kodmagi
- LambdaWorks
- Latitude Financial Services
- LeadIQ
- Lernkunst
- LiveIntent
- LKWfee
- Lottoland
- M1 Finance
- MatchesFashion
- Matechs
- Medidata
- Meetup.com
- Megogo
- Merit
- Metacommerce
- Mobile.de
- MOIA
- MomentFeed
- Moneyfarm
- Mylivn
- New Work
- New York Times
- NewMotion
- NsLookup
- Ocado Technology
- Olyro GmbH
- On Air Entertainment
- Onfocus
- Opt Technologies
- Optrak
- OVO Energy / Kaluza
- Panaseer
- Performance Immo
- Permutive
- PIM Solutions
- Pirum
- PITS Global Data Recovery
- Playtika
- PPC Samurai
- Project September
- Radix Labs
- Railroad19
- Randstad
- Rapidor
- Raster Foundry
- Ravel Law
- REA Group
- Remember The Milk
- Reonomy
- Resilient plc
- REWE Digital
- Risk Ident
- Rocker
- Rudder / Rudder.io
- Samsung Food
- Sanjagh
- Scalac
- SecurityScorecard
- Signicat
- Sky
- Sony
- SpotX
- StreamWeaver
- Stripe
- Stuart
- Swisscom
- Synerise
- TabMo
- Teads
- Tesla
- The Pokemon Company International
- Thinkoff / Tinkoff
- Threat Stack
- Tinka
- TomTom
- Trackabus
- Trainor
- Tranzzo
- TreuTech
- Tumblr
- Tweddle Group
- Twilio
- Uberall
- Undo
- Unit
- Univalence
- Unzer
- Vakantiediscounter
- Valamis Group
- Valsea
- ValueClick
- Verbund AG
- Verizon
- Vish
- Vivid Money
- VMWare
- Walmart Canada
- Waylay
- Wefunder
- Wehkamp
- WeWork
- Whisk
- Wide Angle Analytics
- Wix
- Yandex.Classifieds
- Zendesk
- Zooz
OSS projects
Unified engine for large-scale data analytics
Sources
- https://github.com/apache/spark - 66% Scala as of 2025-11-16
Free/libre, open-source chess server.
Scala 3Sources
- https://github.com/lichess-org/lila - 63% Scala as of 2025-11-16
Removes large or troublesome blobs from git
Sources
- https://github.com/rtyley/bfg-repo-cleaner - 99.9% Scala as of 2025-11-16
- Scala 3 migration PR: https://github.com/rtyley/bfg-repo-cleaner/pull/478
A Git platform with easy installation, high extensibility & GitHub API compatibility
Sources
- https://github.com/gitbucket/gitbucket - 67.5% Scala as of 2025-11-16
Open-source storage framework that enables building a Lakehouse architecture
Sources
- https://github.com/delta-io/delta - 52% Scala as of 2025-11-16
Customer Data Infrastructure.
Sources
- https://github.com/snowplow/snowplow - 47% Scala as of 2025-11-16
Hardware Design Language
Scala 3
Open-source code analysis platform.
Scala 3
A better build tool for Java, Scala and Kotlin
Scala 3Sources
- https://github.com/com-lihaoyi/mill - 85% Scala as of 2025-11-16
Agile RISC-V SoC Design Framework
Sources
- https://github.com/ucb-bar/chipyard - 42% Scala as of 2025-11-16
Smart contract language
Sources
- https://github.com/digital-asset/daml - 82.9% Scala as of 2025-11-16
Consulting companies
Builds tooling such as Scala CLI and helps enterprises migrate to Scala 3.
Consulting company delivering Scala projects, trainings, and OSS like sttp.
Software consulting company delivering custom digital products and expert engineering support
Scala 3
Sources
- https://ziverge.com/
- Conference presentations about production Scala 3 migrations
Data last refreshed on 2025-11-19.