Software Engineer

Intro

In our Security Lab, an international team of engineers builds the services that protect over 1.4 billion mailboxes worldwide. We are looking for a Software Engineer to join us in Skopje and help shape the next generation of email security. You will work primarily in Go and Python, shipping services that operate at a massive scale, while collaborating with colleagues across Germany, Spain, France, Canada, Japan, North Macedonia, and the United Kingdom.

Your Job

• Build and Maintain Core Services: Design, develop, test, document, and operate end-to-end backend services for email security, working primarily in Go.
• Develop Advanced Threat Detection: Build scan pipelines, extract complex artifacts from emails for deep analysis, and design next-generation threat detection capabilities for our enterprise customers.
• Optimize at scale: Improve the platform for performance, scalability, security, and reliability using pragmatic, measurable solutions.
• Leverage AI-Driven Engineering: Be part of a modern engineering culture. Workhand-in-hand with us to transform traditional workflows into AI-driven processes and build a cutting-edge engineering harness.
• Work with Core Technologies: Build and deploy using a focused, modern stack primarily centered around Go, Python, Linux, Redis, and MariaDB, while leveraging AI tools like Claude.
• Ensure Exceptional Quality: Write comprehensive unit, functional, and integration tests to maintain high software standards.
• Collaborate Globally: Ship innovative features in close collaboration with cross-functional teams across multiple time zones. Participate in code reviews, knowledge sharing, and the continuous refinement of our engineering practices.

Your Profile

• Engineering Background: We are looking for engineers of all levels. Whether you are early in your career or a seasoned senior engineer, you must have strong software development skills in Go, C, or Python.
• Curiosity & Growth Mindset: A genuine eagerness to learn and adapt, especially in the rapidly evolving landscape of AI and LLMs. We pride ourselves on our high employee retention rate and actively support the long-term growth and career development of our engineers.
• Education: Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
• Technical Foundation: Strong knowledge of Git, version control workflows, and comfortable navigating Linux/Unix environments via the command line.
• Problem-Solving Skills: A highly analytical, practice-oriented mindset with the ability to tackle complex architectural challenges.
• Communication: Professionalproficiency in English (written and spoken) and the ability to collaborate effectively in a diverse, international team.

• Knowledge of core email authentication protocols (DKIM, SPF, DMARC).
• Familiarity with designing or operating high-throughput systems.
• Experience with containerization technologies (e.g., Docker).
• Hands-on experience integrating AI-assisted development tools into daily workflows.
• A background or strong personal interest in cybersecurity.
• Familiarity with automated testing frameworks and CI/CD pipelines.

Your Benefits

• Room for innovation and autonomy in a fast-growing international company.
• 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, Washington D.C.).
• Flexible working hours and the option to work from home.
• Permanent contracts -we’re in it for the long haul and hope you are too!
• 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: we pay 1500€ for each referral who is successfully hired by us!