Software Engineer (Softwareentwickler/in)

Niedersachsen, Allemagne

Le poste

Here is the English translation of the job posting, formatted for clarity. Email remains the backbone of global communication and is simultaneously one of the most frequently used attack vectors for cyberattacks. Due to the rapid evolution of Large Language Models (LLMs), sophisticated AI-driven attacks have become an increasingly critical threat to companies, NGOs, and global institutions. In our Security Lab, our international team develops services that protect more than 1.4 billion mailboxes worldwide. We are looking for a Software Engineer (m/f/d) to join our team in Hanover (List) and help shape the next generation of email security. You will work primarily with Go and Python, developing services operated at massive scale while collaborating closely with colleagues in Germany, Spain, France, Canada, Japan, North Macedonia, and the United Kingdom. Your Responsibilities Develop and Operate Core Services: Design, develop, test, document, and operate end-to-end backend services for email security, primarily using Go. Build Advanced Threat Detection: Develop scanning pipelines, extract complex artifacts from emails for deep analysis, and design next-generation threat detection features for our enterprise customers. Optimize Large-Scale Platform: Improve the platform regarding performance, scalability, security, and reliability using pragmatic and measurable solutions. Leverage AI-Driven Development: Become part of a modern engineering culture. Together with us, transform traditional workflows into AI-supported processes and build a forward-thinking engineering setup. Work with Core Technologies: Develop and implement solutions using a focused, modern technology stack based primarily on Go, Python, Linux, Redis, and MariaDB, while utilizing AI tools such as Claude. Ensure Highest Quality: Write comprehensive unit, functional, and integration tests to maintain high software standards. Collaborate Globally: Deliver innovative features to production in close collaboration with cross-functional teams across multiple time zones. Participate in code reviews, share knowledge within the team, and continuously contribute to advancing our engineering practices. Your Profile Must-Haves: Technical Background: We are looking for engineers at all experience levels. Whether you are at the beginning of your career or an experienced Senior Engineer, you possess strong software development skills in Go, C, or Python. Curiosity and Growth Mindset: You have a genuine interest in learning and growing, especially in the fast-evolving world of AI and LLMs. We take pride in our high employee retention rate and actively support the long-term career development of our engineers. Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience. Technical Foundation: Solid knowledge of Git and version control workflows, with strong command-line skills in Linux/Unix environments. Problem-Solving Skills: Strong analytical and practical mindset, capable of approaching complex architectural challenges in a structured manner. Communication: Professional verbal and written proficiency in English and German, with the ability to collaborate effectively within a diverse international team. Nice-to-Haves: Knowledge of core email authentication protocols (DKIM, SPF, DMARC). Experience in designing or operating high-throughput systems. Experience with containerization technologies such as Docker. Hands-on experience integrating AI-assisted development tools into daily workflows. Background in cybersecurity or a strong personal interest in the field. Familiarity with automated testing frameworks and CI/CD pipelines. Your Benefits Temporary Employee Exchange Program: We support you in working from our global office locations (e.g., Malta, Madrid, Montréal, Washington) while exploring the world. Remote Work Options & Flexible Hours: Balance your workday effectively. Team Events: Activities like Laser Tag, Escape Rooms, or social get-togethers at our very own legendary beer truck in Hanover. Be-Active Bonus: Subsidized fitness memberships. Commuter Subsidies: Free parking (Hanover), discounted public transit tickets, or bike leasing options. Company Pension Scheme: Employer-subsidized pension plans. Referral Bonus: €1,500 bonus for every successful candidate referral. Standard Perks: 30 days of paid vacation, permanent contracts, continuous learning opportunities, free drinks and fresh fruit, dog-friendly offices, and no dress code. Remote Work Details Extent: Up to 40% remote work. Compensation: Salary is negotiable.