Senior Python Engineer

Job Description

Essential Skills (Must Have)
Python Internals & Asyncio: Deep proficiency in Python 3.11+ with a strong focus on asyncio.
Demonstrated ability to write non-blocking code and debug race conditions or deadlocks.
Experience optimizing high-throughput web applications (profiling, memory management, reducing latency).
API Development: Expertise in FastAPI (Pydantic models, dependency injection, middleware).
Azure Cloud Native (or experience with similar tools):
Azure Service Bus for async orchestration.
Azure Blob Storage for file management.
Azure Web PubSub for real-time streaming.
Containerization & Orchestration:
Proficiency with Docker and Docker Compose for local development workflows.
Experience managing and deploying services to Azure Kubernetes Service (AKS).
GenAI Integration: Practical experience with Azure OpenAI APIs.
Understanding of RAG flows, context window management, and embeddings.
Database: Proficient in PostgreSQL (mostly though SQLAlchemy/Alembic).
Experience designing efficient schemas and optimizing SQL queries.
Observability & Monitoring: Hands-on experience with observability tools such as OpenTelemetry and Prometheus for distributed tracing, metrics collection, and performance monitoring in microservices environments.
Nice to Have
Experience with LangChain.
Understanding of CI/CD pipelines (mostly Azure DevOps).

Job Responsibilities

Key Technical Responsibilities
Async Microservices: Architect and maintain high-performance REST APIs using FastAPI. Manage communication between multiple services.
RAG Optimization: Implement and refine Retrieval-Augmented Generation strategies for per-user knowledge bases.
Event-Driven Architecture: Apply core event-driven concepts and use Azure Service Bus to schedule and offload time-consuming jobs.
Real-Time Sockets: Manage Azure Web PubSub for streaming tokens and chat responses.
Deployment: Manage local development environments using Docker Compose and production deployments via Azure Kubernetes Service (AKS).

Department/Project Description

Project Description
The primary goal of this initiative is to design and deploy a cloud-based Generative AI system. This advanced solution is tailored to significantly enhance code documentation processes in alignment with the European Railway Traffic Management System (ERTMS) standards. By leveraging the capabilities of Generative AI, the system aims to substantially improve the readability and accuracy of code documentation, ensuring it is comprehensive, easily understandable, and meticulously annotated.

Description
As a Python Developer, specializing in Python and Generative AI, you will play a pivotal role in advancing our cutting-edge Gen-AI initiatives. Your primary responsibility will be the development and enhancement of a cloud-based Generative AI application, designed to optimize and refine our codebase and documentation processes.