Senior Python / GenAI Engineer (RAG & LLM Systems)
Design and develop robust Python backend systems, contribute to clean architecture, ensure performance and security, and work on scalable cloud-based enterprise applications.
This job operates on a hybrid model, requiring you to be based in Bulgaria and work from there.
YOUR MISSION
Take end-to-end ownership of designing and delivering scalable, secure, and resilient AI-driven enterprise solutions
Build, deploy, and operate Python-based backend systems leveraging Generative AI, LLMs, and RAG architectures in production
Design and orchestrate AI agents and workflows using LangChain, LangGraph, and cloud-native services
Continuously explore and apply emerging technologies in AI, ML, and GenAI to drive innovation and technical excellence
Collaborate closely with product, engineering, and business stakeholders to shape technical strategy and ensure business alignment
Apply strong software architecture principles, coding standards, and best practices to ensure availability, performance, and security
Document architectural decisions and present technical solutions to teams, customers, and senior stakeholders
Mentor engineers and contribute to engineering excellence through code reviews and design leadership
YOUR EXPERIENCE & TALENTS
Strong expertise in Python backend development, with clear focus on AI/ML and GenAI systems
Proven experience designing, building, and deploying AI agents using LLMs and GenAI frameworks in production environments
Hands-on experience with LangChain, LangGraph, and prompt engineering for agent-based and RAG-driven systems
Solid understanding of Azure AI services, including Azure ML, Cognitive Services, and Azure OpenAI
Practical experience integrating LLM APIs (OpenAI, Anthropic, Mistral) and working with vector databases such as Pinecone, FAISS, or Weaviate
Strong background in Python web frameworks (Django, FastAPI) and database design across SQL and NoSQL technologies
Experience with CI/CD pipelines, automated testing, and performance optimisation in production setups
Good awareness of security best practices for AI-driven applications
Fluent English communication skills, both written and spoken
BENEFITS OFFERED BY OUR CLIENT
Work with top-tier talent in a collaborative, high-performing team
Grow through cutting-edge technologies, continuous learning, and certification opportunities
Thrive in a global, diverse culture while contributing to exciting, cross-industry projects
Enjoy 50+ tailored benefits and a flexible hybrid working model
Balance work and life in a culture that supports your personal and professional development
PERFECT MATCH? We look forward to receiving your application!
QUESTIONS? Please contact Tanya at: +49 30 233 291 755
RECOMMENDATIONS? We’ll reward the successful placement of your recommendation with EUR 1000

- Department
- IT & Tech
- Locations
- Bulgaria, Europe
- Remote status
- Hybrid
- Employment type
- Permanent Full-time
- Employment level
- Senior Level / Professionals
- Position at
- Client