Scala Engineer (Senior)

Scala

Szlak 49, Kraków+2 Locations

VirtusLab

21 000 - 27 000PLN

Net per month - B2B

Full-time

B2B

Senior

Remote

Tech stack

English

B2

Scala

regular

JVM

regular

Performance optimization

regular

Build Tools

nice to have

Databases

nice to have

Job description

We foster a dynamic culture rooted in strong engineering, a sense of ownership, and transparency, empowering our team. As part of the expanding VirtusLab Group, we offer a compelling environment for those seeking to make a substantial impact in the software industry within a forward-thinking organization.

📝 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.

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.

• 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).

Published: 13.08.2025

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.

Company profile

Office location