Middle+ / Senior Python Backend Developer

About AI FOR BI:

Our main product is a real-time communication system built on LiveKit (WebRTC), with integrated AI features using the OpenAI API. Our backend is built with FastAPI, and we operate a service-oriented architecture using modern DevOps tools and observability systems.

We are looking for a Senior Backend Developer who can take ownership of backend systems, design robust architecture, and manage and scale existing codebases.

Key Responsibilities:

- Design, develop, and maintain scalable backend services using Python and FastAPI

- Own and evolve backend architecture, including legacy code refactoring

- Build and maintain REST APIs for internal and external use

- Integrate and support real-time communication features using LiveKit (WebRTC)

- Work with PostgreSQL, Redis, and RabbitMQ for storage, caching, and messaging

- Contribute to DevOps tasks: deployment, containerization, monitoring, and scaling

- Configure and manage Nginx, reverse proxies, and protocols like HTTP and WebSocket

- Set up and maintain observability tools such as Grafana, Prometheus, and centralized logging

- Integrate with third-party APIs, including OpenAI

- Collaborate with frontend, DevOps, and AI/ML teams on system-level planning

Requirements:

- 4+ years of experience in backend development with Python

- Strong expertise in FastAPI and asynchronous programming (asyncio)

- Solid understanding of PostgreSQL and database schema design

- Experience with Redis, RabbitMQ, and Docker in production environments

- Familiarity with WebRTC concepts and real-time communication systems

- Experience configuring and managing Nginx and other web server technologies

- Understanding of monitoring and logging systems (Grafana, Prometheus, logging stacks)

- Ability to maintain and improve existing codebases

- Strong problem-solving skills and system design capabilities

Nice to Have:

- Experience with LiveKit or similar WebRTC platforms

- Familiarity with OpenAI or other LLM APIs

- Background in DevOps, CI/CD, or infrastructure as code