AI Agent Architect / Prompt Engineer

Mid • On-site

Szczecin, Poland

The Company: Beliani is one of the fastest-growing eCommerce companies in Europe. We are a successful online retailer of furniture and accessories. With our main operations based in Szczecin, Poland, and over 700 employees, the company is expanding quickly internationally, currently operating in 19 countries.

We are developing an advanced autonomous AI customer-service system that understands customer inquiries, triggers actions in connected systems, and supports operations across multiple countries.
To expand our team, we are looking for a skilled AI Agent Architect / Prompt Engineer who will work on-site with our engineering and operations teams.

What you will do:

Design and optimize AI agents that classify customer messages and choose the correct actions
Create system prompts, reasoning rules, and structured multi-step workflows
Build agent logic using tool-calling or function-calling across different LLM platforms
Collaborate with developers integrating agents into ERP, and internal services

What do we expect from you?

Experience with modern LLMs (e.g., OpenAI, Gemini, Claude, or similar)
Strong skills in prompt engineering and structured agent workflows
Understanding of multi-agent orchestration or tool-based LLM systems
Familiarity with workflow automation tools (e.g., n8n, Make, Zapier) is a plus
Experience in customer service or e-commerce is helpful but not required
Willingness to work on-site with the team
Highly motivated people with less experience are welcome to apply.

What we offer?

Full-time/On-site, employment contract
Opportunity to help build a state-of-the-art autonomous AI support system
High responsibility and direct impact on business processes
Modern AI environment (multi-model agents, vector search, automation tools)
Fast decision cycles and low bureaucracy
Competitive compensation
Flexible working hours
Attractive salary according to the experience
Career advancement opportunities
Work in an international environment in a fast growing company
Private medical insurance and sport package
A good work environment in a city center office
Large discounts on products from beliani.pl

To apply, please send your CV in English to praca@beliani.com

We appreciate all interests, however we will reply only to chosen candidates who will meet our expectations.

Beliani Group

Beliani Group is an international e-commerce company founded in 2009. It employs over 700 people from 20 different countries and operates in more than 19 markets globally. The company is involved in various business areas including product management, logistics, customer service, human resources, finance, marketing, and information technology. Beliani values a diverse and international work environment, leveraging a wide range of expertise to drive its operations across multiple sectors. The company emphasizes performance, speed, flexibility, and scalable solutions in its technological endeavors, and it adopts Scrum and Agile methodologies in its project management. Beliani is committed to professional growth and offers opportunities for career advancement within its international setting.