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The world's #1 Scala consultancy

Where Scala meets the industry. We combine language stewardship with enterprise-grade system delivery.
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Leading Scala engineering consultancy worldwide

We don’t just use Scala. We shape it.

As maintainers of the Scala 3 compiler and main developers of the toolchain, we stand at the center of the Scala ecosystem. When you work with us, you work with the team that's involved in Scala end-to-end: starting from the compiler, through tooling, library development, to community leadership and of course delivering working Scala-based systems.

We Build the Ecosystem. We Build Your Systems.

100+

dedicated Scala engineers
for enterprise-grade systems


 

80%

senior & expert level developers
skilled in large-scale platforms


 

6+

industry-standard libraries
used in production environments

15+

years of Scala expertise
across enterprise organizations

Partnering with VirtusLab means cooperating with a proactive team

Maintains and evolves the Scala 3 compiler and its toolchain

Maintains and develops Metals (AI-ready LSP server for Scala)

Creates key libraries: scala-cli, tapir, sttp, ox, macwire, besom

Optimizes, builds, and shapes modern CI/CD pipelines and standards for Scala 

Defines and implements how Scala integrates with AI-driven workflows

Has extensive experience across the full Scala stack (Akka/Pekko, cats, ZIO, direct style)

Has access to Scala developers with hands-on enterprise-scale experience

Martin-odersky

Trusted by Scala’s creator

“VirtusLab engineers provided excellent workmanship coupled with very fast delivery, ahead of our schedule.”

Martin Odersky
Head of Programming Research Group @ EPFL

Work with Scala experts and maintainers

Leverage our years of Scala technology experience as core maintainers and seasoned practitioners to your advantage. Discover how we can assist you.

Build and maintain Scala projects

  • We handle the complete development process
  • We deliver on time with built-in maintainability
  • We leverage the Scala ecosystem for development efficiency
  • We introduce best practices
  • We guarantee comprehensive Scala technology stack support

Improve development efficiency

  • We optimise your projects and delivery processes
  • We define how Scala integrates with AI-driven workflows
  • We improve your day-to-day Developer experience
  • We solve any of your technical challenges and blockers
  • We use adequate and battle-tested technology
  • You work side-by-side with Scala experts, including the core compiler team
  • You receive well-tailored training

Drive innovations

  • We deliver new innovative tooling solutions
  • We improve the ecosystem for industry needs
  • We take Developer Experience to the next level
  • We use in-house technology to give you a competitive edge
  • We address your custom technology needs

Work with our Scala experts to actively steer the Scala ecosystem

We build projects driven by the industry and maintain open-source solutions for long-term ecosystem sustainability. Let’s shape Scala's future!

We migrate your codebase from Scala 2 to Scala 3, so you can harness the benefits of our support. On top of that, we give you 10 person-days for free.

Migrate with us now
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Why leading organizations work with us

Recognized leaders of the Scala ecosystem

We combine language-level authority with hands-on delivery.

We solve complex engineering challenges at scale.

We reduce architectural risk through deep ecosystem insight.

We support the long-term health of the Scala ecosystem.

Contributors to Scala compiler & Metals

Enterprise technology transformations across finance, retail, & technology

Meet our Scala experts

  • Krzysztof Borowski

    Krzysztof Borowski

    Head of Scala

  • Adam Warski

    Adam Warski

    Head of Scala Growth

  • Łukasz Biały

    Łukasz Biały

    Scala Developer Advocate

  • Tomasz Godzik

    Tomasz Godzik

    Lead Scala OSS Developer

Join our Scala communities

We create and run leading Scala communities, events, and platforms worldwide. Follow us to stay up to date and learn from top Scala experts.

Shape Scala with us