AI Agent Developer (m/w/d)

As an AI Agent Developer at Phaina GmbH, you will co-develop our core product---a cutting-edge, vertical Multi-AI-Agent SaaS platform for Guided Selling in the B2B sector. You'll drive innovation by building automation workflows and in-house AI agents, while exploring and integrating the latest AI tools and technologies. Join us to shape the future of AI-driven product recommendations for global B2B and technical B2C markets.

Activities

• Enhance our B2B SaaS Vertical AI Agent for Guided Selling by gathering, pre-processing, and analyzing user data to support data-driven product development
• Apply advanced AI techniques such as model evaluation and fine-tuning to continuously improve system performance
• Develop and maintain communication standards for our OpenAI Agents SDK-based Multi-AI-Agent system, including the implementation of protocols such as MCP and A2A
• Collaborate closely with cross-functional teams (Product, Engineering, Marketing, etc.) to define requirements, share insights, and deliver robust solutions
• Implement best practices in prompt engineering, post-training, and automated testing as part of your daily workflow
• Our tech stack: Python, AI Agents SDK, Docker, FastAPI, Mem0, postgres vectordb, pytest, pydantic

Requirements

Must have skills:

• Professional experience in developing Multi-AI-Agents using frameworks like langgraph or OpenAI Agents SDK.
• Strong Python skills with more than 3 years of professional record
• Experience in implementing AI- and Web-Security standards like guardrails, input validation, PII etc.
• Professional track record in applying post-training techniques like domain specific evaluation and model fine-tuning
• Professional experience in using Git VCS

Nice to have skills:

• Foundational knowledge of the Transformer Architecture used by LLMs
• Experienced in using Dynamic project management in small teamsusing frameworks like Scrum
• Web-Dev background
• Workflow automation skills using tools like n8n. make or zapier

Team

• We are a small, dynamic team of ~10 people, currently 3 people working in Tech.
• We work using dynamic project management with daily scrums and weekly sprint plannings.
• We have a strong emphasize on using a state of the art tech stack.
• We leverage AI Automations wherever possible to help scale our team using technology.
• We have a digital and remote culture with very flexible working hours.
• We are a team with a lot of young parents and need mutual understanding and flexibility for challenging life circumstances.

Application Process

1. Quick Video Call
2. Assessment Task
3. Final Round of Video Call

Benefits

• Remote Model: N/A