Must have

• Scala

• JVM

• Java

• English (B2)

Requirements description

What we expect:

• Strong proficiency in Scala and its ecosystem, or extensive experience with low-level JVM internals and high-performance Java development.
• Deep understanding of performance optimization.
• 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).

Offer 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

Project

Idun

Project Scope

You’ll be responsible for improving scalability and performance of a distributed ledger system. This includes going deep into the application code, JVM internals, database queries, server configuration and much more. Previous performance-related work is a great plus.

Tech Stack

Scala 2.13, PostgreSQL, Pekko Streams, Docker, OpenTelemetry, Prometheus, Grafana

Team

Located in Switzerland and Krakow, it consists of 4-6 people and a Product Manager.

A few perks of being with us

• Building tech community
• Flexible hybrid work model
• Home office reimbursement
• Language lessons
• MyBenefit points
• Private healthcare
• Training Package
• Virtusity / in-house training
• And a lot more!