Senior AI Engineer (Backend)

TL;DR

Senior AI Engineer (Backend): Design and develop scalable backend services for an AI-native employee experience platform with an accent on prompt engineering, model integration, and agent-to-agent communication protocols. Focus on building multi-agent architectures, ensuring observability standards for AI applications, and transitioning ML prototypes to production.

Location: Hybrid in Chemnitz, Berlin, Dresden, or Leipzig, Germany

Company

hirify.global is a Unicorn company offering an AI-native Employee Experience Platform, connecting and empowering employees for over 2,000 customers worldwide.

What you will do

• Design, develop, and maintain scalable backend services that power AI applications.
• Apply advanced prompt engineering to optimize model performance and manage context windows.
• Implement model integration patterns to connect and orchestrate various external and internal services.
• Develop Agent-to-Agent (A2A) protocol communication strategies for complex multi-agent architectures.
• Implement systems for Managing Conversational Protocols (MCP servers) and Agent-to-Agent (A2A) protocol.
• Define and implement observability standards for AI applications, including metrics for latency, cost, and token usage.
• Collaborate with ML Scientists and Data Scientists to transition prototypes and models into production.

Requirements

• 6+ years of professional experience in backend software development.
• Strong proficiency in Golang and preferably Java/Kotlin.
• Experience with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker, Kubernetes).
• Work authorization for Germany is required.

Nice to have

• Experience building backend systems designed for complex agentic workflows or long-running conversational states.
• Familiarity with foundational LLM concepts such as retrieval-augmented generation (RAG).
• Practical experience developing or managing MCP servers and Agent-to-Agent (A2A) communication protocols.
• Experience with event-driven architecture and message queues (e.g., Kafka).

Culture & Benefits

• Flexible and agile work environment that promotes well-being and work-life balance with an option for hybrid work.
• Team events to build an exceptionally effective team.
• Competitive Compensation including LTIP (Long Term Incentive Plan).
• 31 vacation days annually (including one floating holiday), plus pro rata fully paid Fridays off during August.
• Monthly Wellbeing Allowance of €35.
• Company pension scheme and one Volunteers Day off per year for supporting a social project.