AI Research Engineer (Prototyping, AI & Research) – Germany

• Intro
• We are looking for an

AI Research Engineer to join the PAIR team and play a central role in the design, development, experimentation, and production deployment of innovative AI-driven services (LLMs, autonomous agents, automation, NLP, analytics services, etc.).

You will be involved in the entire project lifecycle , from ideation and prototyping to production deployment, while actively contributing to the applied research initiatives of the Security Lab.

You will work closely with multidisciplinary teams to turn ambitious ideas into concrete, robust, and scalable AI solutions in an environment that encourages continuous innovation.

• Your Job
• End-to-End Ownership of AI Solutions
• Design, develop, and maintain AI services from prototype to production.
• Ensure robustness, performance, scalability, and operational reliability of solutions in industrial settings.
• Methodically test and benchmark AI models (standards, metrics, comparisons).
• Document results and propose innovative solutions tailored to cybersecurity challenges.
• Innovation & Technology Watch
• Maintain active and structured monitoring of advances in AI/ML, LLMs, agents, NLP, as well as Dev Ops and MLOps best practices.
• Anticipate technological developments and contribute to the technical roadmap.
• Technical Leadership, Documentation & Collaboration
• Be a key contributor to technical quality, knowledge sharing, and internal communication.
• Produce clear documentation and provide technical support to teams.

Your Profile

• Applied AI research engineer with at least

3 years of experience in backend development or AI in production.

• Strong command of
• (microservices, REST/g RPC, high performance) and

Python for AI/ML.

• Solid experience with cloud-native architectures : Docker, Kubernetes, CI/CD, observability, distributed systems, and real-time services.
• AI/ML/NLP skills: LLMs, embeddings, classification, text generation, model evaluation; familiarity with MLOps is a plus.
• Proven ability to design, optimize, and deploy scalable AI services in production; experience in deploying AI prototypes is highly valued.
• Scientific curiosity, autonomy, rigor, and strong teamwork skills.
• Excellent communication skills, documentation abilities, and the capacity to simplify complex topics.
• Professional fluency in

English , both written and spoken.

Hybrid home-office options and flexible, trust-based working hours.

• Be part of a growing global company in one of the most dynamic industries — cybersecurity .
• Short decision-making paths and flat hierarchies within an open and collaborative work environment.
• Opportunities for personal and professional development .
• Be-Active Bonus

— financial support for fitness and sports club memberships.

Temporary Employee Exchange Program

— opportunities to work at international office locations (e. g. Malta, Madrid, Montreal, Washington, D. C.).

Referral Bonus

— €1,500 for each successful referral.

• Your application form
• MM slash DD slash YYYY
• Message
• Talentpool

Julia Klein (Team Lead Recruiting) and our Recruiting Team are excited to get to know you!

Simply apply proactively and convince us of your abilities!

Hornetsecurity is a leading global provider of next-generation cloud-based security, compliance, backup, and security awareness solutions that help companies and organisations of all sizes around the world.

Its flagship product, 365 Total Protection, is the most comprehensive cloud security solution for Microsoft 365 on the market.

Driven by innovation and cybersecurity excellence, Hornetsecurity is building a safer digital future and sustainable security cultures with its award-winning portfolio.

Hornetsecurity operates in more than 120 countries through its international distribution network of 12,000+ channel partners and MSPs.

Its premium services are used by more than 125,000 customers.

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