Informacje o stanowisku

technologies-expected :

• Scala
• Java

• C++

• 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
• 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.

• Design and develop a high-performance object- and graph-oriented framework in Scala
• Work closely with JVM internals, Scala compiler, and low-level Java to optimize runtime behavior
• Analyze and improve memory allocation, concurrency, and performance trade-offs across the system
• Implement compile-time features using macros, compiler plugins, or bytecode manipulation
• Solve complex problems in concurrent computing and graph processing
• Collaborate with internal tooling teams to ensure seamless integration and performance alignment
• Contribute to a distributed team of engineers across multiple time zones through clear communication and shared technical ownership

• Bring strong expertise in Scala or deep knowledge of JVM internals and high-performance Java
• Apply hands-on experience with compile-time tools like macros, compiler plugins, or bytecode manipulation
• Tackle complex concurrency and graph algorithm challenges with practical solutions
• Optimize performance across memory allocation, runtime behavior, and compilation processes
• Communicate clearly within a distributed team and contribute to shared technical goals
• Balance technical depth with pragmatic decision-making under real-world constraints
• Use English fluently in a professional engineering environment

• Flexible hybrid work model - you decide where & when to start the work. You can work remotely or join us in one of our modern offices (Krakow, Kielce, Wroclaw), always located in the city centers. Just choose what suits you best!
• Language lessons - we refund up to 500 PLN (per quarter) for learning all languages you would like to take! What’s more, we refund up to 1 000 PLN (per quarter) for learning the English language.
• Virtusity – our training division - we really value the personal growth of our #VLteam. That’s why we have a rich offer of internal courses, workshops, etc. (technical, as well as soft skills training) conducted by our employees.
• Training Package - use our training budget and 24 paid work hours for your development. You can choose the training from our Virtusity portfolio or external conferences, courses, workshops, etc.
• Home office reimbursement - you can rent all the necessary equipment from our offices, but you can also get up to 800 PLN financial support to set up your WFH.
• Multisport card or MyBenefit points - do you like sports and want free unlimited admission to sports facilities in your city? Or maybe you prefer the cinema, SPA in the mountains, delicious dinner, or Allegro shopping? At VirtusLab, you decide whether you choose a sports card or vouchers for countless attractions.
• Private healthcare - our insurers offer allows you to have free health advice, treatments, diagnostic tests, etc., in more than 1,500 clinics operating all over the country.
• Building tech community - we run 9 meetup groups in Kraków, Kielce, and Rzeszów and support many other local initiatives. We also contribute to numerous open-source projects (world-famous solutions and create our own ones). Check out also Sphere.it - our unique platform with tech videos and online events.

• sharing the costs of sports activities
• private medical care
• sharing the costs of foreign language classes
• sharing the costs of professional training & courses
• remote work opportunities
• flexible working time
• integration events

Wrocław - Oferty pracy w okolicznych lokalizacjach