Scala Engineer (Expert)
Scala Engineer (Expert)
-, Kielce +2 Locations
VirtusLab
26 000 - 31 000 PLN
Net per month - B2BTech stack
English
B2JVM
Performance optimization
Scala
C++
Kotlin
Job description
We are #VLteam – tech enthusiasts constantly striving for growth. The team is our foundation, that’s why we care the most about the friendly atmosphere, a lot of self-development opportunities and good working conditions. Trust and autonomy are two essential qualities that drive our performance. We simply believe in the idea of “measuring outcomes, not hours”. Join us & see for yourself!
About the role
Join us in developing a cutting-edge framework powered by Scala!
Project
Graph
📝 Project Scope
The project builds a high-performance framework in Scala focused on object and graph-oriented computing. It integrates deeply with JVM internals and the Scala compiler to solve complex challenges in concurrency, memory allocation, and graph processing. Designed for scalability and efficiency, the framework supports over 1000 engineers globally.
🛠 Tech Stack
Scala 2.13, JVM, Java (21 with planned migration to 25), C++, performance optimisation and testing
🤝 Team
The team consists of over 10 experienced engineers distributed across North America, Europe, and Asia. They bring deep expertise in Scala, JVM internals, and performance optimization, working closely under a UK-based Project Manager.
Open positions in this project
What we expect in general
Strong proficiency in Scala and its ecosystem, or extensive experience with low-level JVM internals and high-performance Java development.
Hands-on experience with compile-time or metaprogramming: Scala macros, compiler plugins, annotation providers in Java, or bytecode manipulation.
Deep understanding of performance optimization
Practical experience solving graph algorithms and concurrency challenges.
Strong communication skills and the ability to convey complex technical concepts clearly.
A pragmatic approach to problem-solving, balancing technical excellence with real-world constraints.
Ability to work effectively within a team, contributing to a collaborative and high-performance engineering culture.
Good command of English (B2/C1).
Meet the company
VirtusLab
Join the VLteam and elevate your career to new heights! Join us in shaping the future of software engineering with a team that values flexibility, fosters an open-minded culture, and delivers outstanding solutions. We have extensive knowledge about Data Engineering & Data Science, Cloud-Native Services, Reactive Systems, Dev Tooling and Frontend. We are also worldwide experts in Scala language, officially supporting its development and tooling.