Backend / AI Developer - Freelancer

We're building an AI Transformation platform for an enterprise client, focused on back-office process automation and AI-driven decision support. The platform brings together data from multiple business systems and puts AI agents on top of it, so that business teams get actionable insights and automated workflows instead of manual routines.

• Approx. 2 years commercial experience in backend development with Python
• Hands-on experience with FastAPI or comparable modern web frameworks
• Good knowledge of PostgreSQL including schema design, query writing, and optimization
• Experience building and consuming REST APIs
• Understanding of ETL and data synchronization concepts for data consistency
• Working knowledge of Docker and Docker Compose
• Practical experience with large language models (LLMs) and prompt writing; interest in agent-based systems
• Ability to work with agentic AI tools (e.g., Claude Code) and critically verify output
• Ability to write clear technical documentation
• Good communication skills and ability to work directly with client teams
• English proficiency at B2+ (Upper-Intermediate) level

• Integrate data from multiple business sources (CRM, analytics, BI) into a unified data layer
• Build and deploy AI agents for business tasks such as signal analysis, pricing, and data classification
• Develop MCP (Model Context Protocol) servers exposing data to agents and tools
• Perform data engineering tasks including schema design, ETL, synchronization, and data quality assurance
• Contribute to agent platform architecture including routing, cost control, access policies, and telemetry for LLM calls
• Design and build backend APIs connecting data layer with agents and front-end applications
• Create user-facing tools driven by data and agent-generated insights
• Maintain infrastructure including containerization, database management, monitoring, and observability
• Document architectural decisions and maintain strict contracts between system layers