Staff Backend Engineer (Python)
Senior lvl.
We are looking for a Staff Backend Engineer to join a high-impact Infrastructure team working on a real-time, distributed voice AI system. This is not a typical backend role interacting with a UI. The system handles real-time audio streams, integrates with multiple third-party services, and runs in a cloud-native Kubernetes environment, with a Python-based backend at its core. The role offers strong ownership, complex technical challenges, and the opportunity to shape core infrastructure in a fast-growing, high-impact product.
Responsibilities
>/ Own and develop core components of a real-time distributed backend system (Python / Rust).
>/ Lead large-scale initiatives end-to-end with minimal guidance.
>/ Design and implement scalable, reliable backend architecture.
>/ Troubleshoot and resolve complex production issues in distributed environments.
>/ Improve system performance, reliability, and development velocity.
>/ Work with real-time data streams and audio processing pipelines.
>/ Collaborate across teams and contribute to technical decision-making and architecture.
Requirements
>/ Previously a Staff or Principal Engineer at a startup company.
>/ 10+ years of experience in Python development.
>/ Strong Python Asyncio experience.
>/ Strong software design skills.
>/ Significant experience with at least one strongly typed language (Rust, C++, Go, Swift, Java, etc.).
>/ Deep understanding of Networking Protocols and Operating Systems.
>/ Deep knowledge of Python Profiling.
>/ Experience in delivering and troubleshooting a production-grade cloud-based distributed system.
>/ Experience in building and troubleshooting a real-time low-level system (e.g.
>/ kernel, drivers, RTOS).
>/ Kubernetes and Helm experience.
>/ Experience with different observability stacks.
>/ Strong LLM prompting skills, with the ability to work without them.
>/ Experience with gRPC and its troubleshooting.
>/ Being a contributor or maintainer of an open-source package.
Nice to Have
>/ Bachelor’s degree in Software Development or equivalent.
>/ Knowledge of WebRTC, SIP, RTP, HLS, RTMP, STUN/TURN.
>/ Experience with Rust and Python integrations (PyO3).
>/ Background in audio processing systems.
>/ Excellent written and verbal communication skills.
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