AI agents Python / Low-code Developer, Prompt Engineer

Since 2013, Duanex has been building bespoke software for international companies and startups — from mobile apps to complex cloud solutions. Our clients span health & fintech, digital banking, and large insurance organizations. We follow Agile best practices, and automated testing is a core part of our delivery.
 

We are looking for a Junior Developer to join us and grow in the world of AI agents, automation, and voice technologies.

What you’ll do:

• Build and configure Voice Bots using VAPI and Retell
• Integrate bots with systems like CRM and other APIs
• Create and fine-tune AI agents for internal tools and automation use cases
• Participate in data scraping, prompt design, and model training (RAG setups, Llama3)
• Work directly with the architect and take ownership of your solutions

Skills:

• 6+ months of experience
• Solid knowledge of Python
• Familiarity with OpenAI API and prompt engineering
• Understanding of Git, Docker, Jenkins
• English lever B1 or higher
• Self-driven, proactive, and comfortable working independently
• Not afraid of hands-on tasks beyond coding (e.g. basic server setup)

Would be a plus:

• Frontend (JS)
• Machine learning

Work format & perks:

• Remote-friendly; optional office in Kyiv
• 20 paid vacation days + 10 paid sick days
• Flexible schedule
• Accounting support

Hiring process: Recruiter interview →  Technical task → Final interview