Key skills

PythonGoLarge Language Models (LLMs)Prompt EngineeringRetrieval-Augmented Generation (RAG)Distributed SystemsEvent-Driven ArchitectureAsynchronous ProcessingReal-Time Data PipelinesLow-Latency SystemsVoice AITelephonyWebRTCSIPSpeech-to-TextText-to-SpeechAIArtificial IntelligenceLLMClerkMentoringCollaboration

About this role

Clerk Chat is building a messaging application with integrated artificial intelligence and telecom infrastructure to make every business conversational. The Staff Software Engineer will lead the design of reliable, low-latency backend systems and AI orchestration for real-time voice AI, while driving architecture, evaluation, cross-functional collaboration, mentoring, and technical strategy.

Responsibilities:

Design and build backend systems that power real-time voice AI at scale, with a relentless focus on latency, reliability, and observability
Develop and refine AI prompting strategies for conversational voice agents, optimizing for natural dialogue, accuracy, and edge-case handling
Own the AI orchestration layer—from prompt engineering to context management, tool calling, and response streaming
Drive architectural decisions that shape our voice AI pipeline, including integration with STT, TTS, and LLM providers
Build evaluation frameworks to measure and iterate on AI performance, including automated testing for prompt quality and regression detection
Collaborate closely with product and customers to translate real-world use cases into robust AI behaviors
Mentor engineers and raise the technical bar across the organization
Contribute to technical strategy as a key voice in how we build and scale our platform