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
Global technology company.
Sources
- https://github.com/microsoft?q=&type=all&language=scala - Multiple active Scala repos
- https://www.reddit.com/r/scala/comments/1p16zop/comment/npvbu97/
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
Global bank with a strong European base.
Scala 3
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.
ITVX runs 100s of microservices in Scala for the backend of ITVX, serving millions of daily users on Scala 3 with typelevel stack
Scala 3
Messaging and social media app.
Sources
- https://github.com/Snapchat/GiGL - 50% Scala and active as of 2025-11-16
Sources
- https://github.com/twitter/the-algorithm
- https://github.com/twitter/twitter-server - template for services, commits from 2025.
Ridepooling subsidiary of Volkswagen Group
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
Used at least in search and recommenderation systems. A mix of backend and data science workflows.
Scala 3
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
The largest pan-European online car market
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
Wealth management and Trading platform
Sources
- Open position (2025-11) https://apply.workable.com/moneyfarm/j/E036EC29E4/
Presentation and visual-communication platform.
Used for backend development (webservices and data processing)
Scala 3
Crypto wealth management platform. More than 1M Scala LOC
Scala 3
Fintech company that develops personal finance management tools to help users save money and manage their finances effectively.
Scala 3And possibly 232 more!
List below has been scraped 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
- AvantStay
- 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
- CleverOne
- Cloudfarms
- Codacy
- CodeComprehension
- Codept
- Colisweb
- Collibra
- Comcast
- Commercetools
- Compellon
- Complicated Robot
- CompStak
- Conduktor
- Connio
- Contramap
- Coralogix
- Corsearch
- Coya
- Credit Karma
- Criteo
- CurrencyCloud
- D.E.Solution
- DaSCH
- Dassault Systèmes
- DataChef
- Datalogue
- Demandbase
- Demyst
- Depop
- 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
- Investsuite
- Invia
- Janrain
- Kaizen Solutions
- Kaizo
- Kamon APM
- 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
- MomentFeed
- 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
- Sonepar Digiplan
- 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
Programming language for scientists, students, and teachers
Scala 3Sources
- https://github.com/netlogo/netlogo - 140K lines of Scala
Smart contract language
Sources
- https://github.com/digital-asset/daml - 82.9% Scala as of 2025-11-16
Open-source serverless search engine.
Scala 3Sources
- https://github.com/nixiesearch/nixiesearch - 98% Scala3 as of 2025-11-19
Consulting companies
The company behind Scala 3. Maintains core Scala tooling, including the compiler, Metals and Scala CLI. Builds and consults Scala commercial software solutions.
Consulting company delivering Scala projects, trainings, and OSS like sttp.
Software consulting company delivering custom digital products and expert engineering support
Scala 3
A group of passionate software developers providing software consulting specialising in full-stack development, distributed systems and serverless applications.
Scala 3
Sources
- https://ziverge.com/
- Conference presentations about production Scala 3 migrations
Consulting company delivering Cloud- & AI-native plattforms with Scala.
Data last refreshed on 2025-12-11.