Senior Python Developer (AI/LLM)

Bell Integrator is a company focused on developing advanced AI solutions and systems.

You will be the sole Python developer in the team responsible for implementing AI agents from scratch to production. - Design and develop production systems using Python 3.12+ for AI agents and LLM models - Implement multi-agent architecture: integrate components, implement pipelines and custom orchestrators (LangChain, LangGraph, RAG) - Develop and maintain APIs (FastAPI, Django): create microservices, REST, asynchronous services - Integrate with relational, NoSQL, and vector databases (PostgreSQL, Redis, MongoDB, VectorDB: ChromaDB, QDrant) - Create, train, and deploy ML models (ML pipeline, Prompt Engineering, RAG, quality assessment, A/B testing) - Containerization (Docker, Docker Compose) and deployment in Kubernetes, partial setup of DevOps processes (CI/CD: Jenkins, ArgoCD) - Develop unit tests, code review, performance optimization, ensure security - Collaborate in Agile teams, participate in planning, mentoring

- Proficiency in Python 3.12+: deep knowledge of standard and modern features of the language (asyncio, typing, dataclasses, pydantic, pytest) - Practical experience in developing AI/ML solutions using LangChain, LlamaIndex, RAG, integration with LLM API - Experience in designing and maintaining high-load REST APIs on FastAPI/Django (architecture, DI, serialization, OpenAPI) - Advanced work with PostgreSQL/Redis, designing complex schemas, indexing, optimization, vector databases - Skills in containerization, deployment in Kubernetes - Experience in implementing CI/CD pipelines, monitoring, alerting, organizing logging - Confident knowledge of Git, experience in team work (Agile, Scrum) - English B2+ for reading documentation and communications

- Opportunity to participate in an interesting project - Opportunity for professional and career growth in the company - Experience working in a team of professionals - Salary level is discussed individually - Work in the office in Moscow or St. Petersburg

Bell Integrator is a global consulting and technology services provider that drives innovation and enables digital transformation, primarily in finance, telecom, retail, and automotive industries. Founded in 2003, it offers services including IT infrastructure support, robotization process analysis, and digital solutions with offices in 6 countries worldwide.[1][2]