Software Engineer (focus on Machine Learning)

The Hornetsecurity Group is the leading cloud security provider in Europe, protecting the IT infrastructure, digital communication, and data of companies and organizations of all sizes.

Boost your career and join our swarm (full-time/starting as soon as possible) in Skopje!

Your Job

• You develop, test, and maintain software components for our mobile messaging security solutions, primarily using Go , while working with Perl in existing systems.
• You contribute to new features and the modernization of existing components, gradually taking ownership of more complex development tasks.
• You support and improve our CI/CD pipelines using tools such as Jenkins and CloudBees, including automated testing and deployment processes.
• You collaborate with development and operations teams to investigate technical issues, troubleshoot production systems, and improve software reliability.
• You gradually expand your responsibilities into Machine Learning , working closely with experienced engineers to understand and improve our existing ML systems.
• You develop automated evaluation and regression testing frameworks to monitor model accuracy, detect performance degradation, and ensure reliable results.
• You help automate and improve ML model deployment processes and implement monitoring to track model performance in production.
• You gain hands-on experience across the entire ML lifecycle, from data preparation and training to evaluation and deployment, progressively taking ownership of ML components.

Your Profile

• You have a degree in Computer Science, Software Engineering, Machine Learning, or a related field, or equivalent practical experience.
• You have a solid foundation in software development, demonstrated through professional experience, internships, personal projects, or open-source contributions involving working software.
• You have good programming skills in Go, C, C++, Java, Rust, or a comparable statically typed language, and are motivated to work with Go.
• You have practical experience with Python and Jupyter notebooks and a good understanding of Machine Learning fundamentals, including model training, evaluation, performance metrics, overfitting, and data leakage.
• You are confident working with Linux and Git, have strong problem-solving skills, and enjoy debugging and understanding unfamiliar codebases.
• You are interested in applying Machine Learning to real-world software products, with a focus on building, deploying, and maintaining reliable models rather than purely conducting research.
• You are flexible to adjust your working hours on at least two manager-designated days per week to collaborate with colleagues on the US West Coast, remaining available until at least 12:00 noon US Pacific Time.
• You are curious, proactive, and eager to learn, enjoy collaborating with international teams, and are motivated to develop your technical expertise.

Nice-to have

• Ideally, you have some experience with MLOps, automated model evaluation, model monitoring, NLP, text classification, or transformer models such as BERT.
• Additional knowledge of CI/CD tools (Jenkins, CloudBees, GitLab CI), Kubernetes, Terraform, Puppet, AWS, Splunk, or Perl is an advantage.

Your Benefits

• Free space for innovation and independent action in a fast-growing international company.
• Short decision paths and flat hierarchies in an open work atmosphere.
• Extensive onboarding with a welcome kit, 2-day Onboarding Bootcamp, a Mentoring Program, and regular feedback meetings.
• Temporary Employee Exchange Program – we provide the ability for you to work at our global office locations and explore the world (e.g. Berlin, Madrid, Malta, Montréal).
• Home-office-option (in a hybrid setting) and flexible working time.
• Team events like Laser Tag, Office Movie Nights, Foodie Fridays and much more – let yourself be surprised!
• FitKit subscription and private insurance for your health!
• Referral Bonus – 1500€ for each successful referral.