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VirtusLab Logo VirtusLab · IT - Software Development

Scala Engineer

Poland, Kielce B2B 26000.00 - 31000.00 PLN / Month · Job Posted January 17, 2026
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Job Description

We are working on the project together with a partner from the Smart Contracts industry. We are developing our own language for defining contracts, ensuring consistency and security of transactions, as well as infrastructure for their launch. We are also creating components that enable the integration of the above-mentioned language with new and existing solutions in the area of Distributed Ledger Technology (DLT), including those based on Blockchain technology. The work is divided between several teams responsible for individual components and the performance of the solution. The product is used by large international companies in the financial industry.

Job Responsibility

  • Implementing new security-related features for the underlying communication protocol
  • Introducing improved hashing algorithm for TTL in transactions together with testing tools
  • Improving the traffic control through traffic awareness and priority permissions
  • Implementing other critical protocol features

Requirements

  • Strong proficiency in Scala and its ecosystem
  • 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)
  • Strong cryptographic knowledge
  • In-depth understanding of security (especially for distributed systems)
  • Great attention to detail

What we offer

  • Flexible hybrid work model
  • Home office reimbursement
  • Language lessons
  • MyBenefit points
  • Private healthcare
  • Training Package
  • Virtusity / in-house training
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