Senior AI Engineer (Agent Systems / LLM / Python)

part-time / 100% remote

We are looking for an experienced professional to support a team in building AI agent-based solutions and help upskill the team in this area for aour client from e-commerce sector. This is a hands-on, implementation-focused project — we’re looking for someone who can not only design solutions but also help deliver them and effectively “kick-start” the team.

The goal of this collaboration is to:

• build AI agents in close cooperation with the client’s team

• transfer knowledge and train the team (mentoring, hands-on support)

• accelerate development and lower the entry barrier for the team

Start: ASAP 

Duration: 4-6 months 

Workload: part-time (flexible working hours) 

Model: 100% remote (with a possible onsite workshop at the beginning)

Job responsibilities 

• design and implement AI agents and multi-agent systems

• collaborate with the development team and share knowledge

• build and integrate LLM-based solutions

• design system architecture (memory, session handling, agent communication)

• integrate with APIs and external systems

Expectations 

• Expert-level Python (including async programming and type hints)

• experience with LangGraph / ADK

• hands-on experience with building agents and multi-agent systems and memory and session management

• knowledge of MCP (Model Context Protocol) and client-server architecture

• experience building connectors

• strong understanding of LLMs, including tokenization, context window limitations, function calling, differences between models (Claude, GPT, Gemini)

• experience with REST, gRPC, JSON-RPC

• familiarity with A2A protocol

• knowledge of AI-related cybersecurity

• English skills (B2+)

We offer

• Ongoing support from a dedicated agent, taking care of your project continuity, client contact, necessary formalities, work comfort and development, 

• Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, 

• Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, 

• Spectacular integration events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), 

• Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, 

• Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, 

• A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad.

About 7N

Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. 

Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.