Full-Stack Python Engineer

Qualifications

4+ years of professional experience in Python development;

3+ years of hands-on experience with AI — building agents and workflows;

Production experience with LangGraph (or an equivalent durable workflow engine): checkpoints, human-in-the-loop interrupts, retries;

Understanding of MCP concepts and experience building tool servers;

Full-stack background with Django, React, GraphQL, and PostgreSQL.

Upper intermediate or higher English level.

Will be a plus

Experience with FastMCP;

Hands-on experience with LangChain;

Experience designing complex, cyclic, and stateful multi-agent systems;

Background in SaaS platforms, energy, or forecasting domains.

Responsibilities

AI & Agentic Workflows: Design and implement complex, cyclic AI workflows and stateful multi-agent systems using LangGraph and LangChain.

System Maintenance & Support: Maintain, troubleshoot, and optimize the existing backend (Django) and frontend (React) web application.

API & Data Management: Work with GraphQL schemas to fetch and manipulate data, and manage relational data in PostgreSQL.

Required Skills & Qualifications

AI & Agentic Stack.

LangGraph or an equivalent durable workflow engine in production.

Checkpoints, human-in-the-loop interrupts, retries.

MCP concepts and building tool servers.

We offer

Traveling opportunity to the Client Side;

Career and professional development opportunities

Flexible working hours

Hybrid model of cooperation

20 paid vacations per business year and National Ukrainian holidays;

5 paid sick leaves

Mentorship program

Referral program with bonus system

Business English courses of all levels

Team parties, company events, and branded presents