Build System Engineer

2 days ago


Remote Kielce Kraków Wrocław, Czech Republic VirtusLab Full time

5+ years of experience in backend, devops, or platform engineering Experience in developing solutions around building tools, maintaining CI/CD, and other aspects of software development lifecycle Practical knowledge of Bazel or at least one other build tool Candidate should know JVM ecosystem Communication skills and a pragmatic approach to problem-solving Ability to work as a part of a team Pro-active approach to problem-solving, without hesitation in reaching out for help We don’t require specific technologies (other then JVM tools/languages), but we value interest in build tools and developer productivity Being self-driven and self-managing tasks 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 ProjectBazel champion Project scope This role is focused on a mixture of consult and dev-rel work around Bazel. This means a mix of:– doing Bazel migration– promoting Bazel and our expertise through conferences, meetups, blog posts, and Social Media– developing open source and internal solutions focused on Bazel– pre-sales and consultancy work– training and mentoring developers on Bazel This role usually is connected with part-time work within other projects related to Bazel. Tech stack Bazel, Starlark, Python Challenges This position requires exceptional skills in multitasking. It requires a willingness to public speaking, write articles, and activity within Social Media or discussion forums (e.g., Bazel Slack). It requires a lot of initiative and creativity. Team 2 developer advocate/experts. ,[] Requirements: Bazel, Java, JVM Additionally: Building tech community, Flexible hybrid work model, Home office reimbursement, Language lessons, MyBenefit points, Private healthcare, Stretching, Training Package, Virtusity / in-house training, Free coffee, No dress code, Free snacks, Free beverages, Bike parking, Modern office, Shower, Kitchen, Playroom.


  • Machine Learning

    4 days ago


    Remote, Czech Republic BONEFFICE SYSTEM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Full time

    Experience and skills you need to join us: 3+ years of practical experience delivering ML or AI features to production (not just notebooks). Hands-on experience building LLM-based solutions: retrieval, context injection, grounding answers, prompt design. Experience with RAG pipelines: document chunking, embedding generation, retrievalquality tuning,...


  • Remote, Kielce, Kraków, Wrocław, Czech Republic VirtusLab Full time

    What we expect in general A big plus on this role: hands-on macOS desktop experience – codesigning/notarization, AppKit/Swift/Objective-C interop, and performance tuning on Apple silicon Strong Kotlin and Java 17+ skills, willingness to learn new technologies Understanding of asynchronous systems, Kotlin Coroutines knowledge is a plus Understanding the...


  • Kraków, Czech Republic Motorola Solutions Systems Polska Full time

    An experienced and hands-on programmer C# Practical experience in development and maintenance of a moderate size software systems Problem solver - able to work under minimal supervision Practical experience in scaling software systems A great team player Good verbal and written English communication. Would be a plus: Experience with hosting and developing...


  • Remote, Warsaw, Czech Republic SquareOne Full time

    5+ years of software engineering experience 2+ years working with cryptocurrency systems or trading systemsDemonstrated track record of building and operating production systems at scale Expert-level proficiency in at least one of: Python (async/asyncio), Go, Rust, or C++ Deep understanding of concurrency, async programming, and memory management Experience...

  • Engineering Manager

    11 hours ago


    Remote, Czech Republic RTB House Full time

    Proven leadership experience, with at least 5 years of managing and mentoring an engineering team. Strong expertise in designing and implementing complex IT systems, particularly in distributed systems and high-performance real-time environments. Proficiency in at least one programming language (e.g., Java, Python, C++, Scala), and strong familiarity with...


  • Remote, Kraków, Wrocław, Poznań, Warszawa, Katowice, Czech Republic Vistulo (for a major N. American bank) Full time

    Must have Strong understanding of programming concepts, including algorithms, complexity, and data structures. Knowledge of the internals of Java data structures. Experience building distributed service-based applications based on message queues. Strong analytical and problem-solving skills. Open mind, curiosity, and a strong desire to learn new technologies...


  • Remote, Czech Republic Focal Systems Full time

    What we’re looking forWe’re looking for a dynamic backend engineer (Python), who is a self-starter, enjoys taking ownership, and can effectively manage tasks, projects, and problem-solve. You’re a dynamic engineer who is an effective communicator and enjoys an environment of collaboration. You want to have a big impact and like to push trends in web...


  • Remote, Warsaw, Kraków, Czech Republic RTB House Full time

    Must have: Strong Coding Skills Complex IT Systems Internet Technologies Scalability Nice to have: Code performance Concurrent Programming High Scalability Distributed Systems We are looking for experienced developers (preferably with experience in Distributed Systems) who will join our team. We develop our own solution with a large scale and level of...


  • Kraków, Czech Republic Motorola Solutions Systems Polska Full time

    Strong experience with Java (preferably Java 21) and Spring Boot (3.x). Familiarity or interest in Kotlin. Experience with cloud environments (Azure, AWS) and containerized workloads (Kubernetes, Docker). Understanding of high availability architectures and reliability engineering. Knowledge of or willingness to learn SIP protocol and apply it in daily work....


  • Kraków, Czech Republic Spyrosoft Full time

    Experience in Embedded Linux (and nice to have QNX) system integration Strong proficiency in C++ and CMake Hands-on experience with uC peripheral integration (I2C, USB, LVDS/GSML) Solid understanding of memory management, including file system partitioning Knowledge of power management for automotive-grade SoCs Strong debugging and integration...