Hiring: Senior Backend Software Engineer, Solve Voice Company: Zendesk Location: San Francisco, CA Job Posted Time: 2026-09-16 15:07:47 Employment Type: Hybrid Target Skills & Keywords : AI, Event-Driven, LLM, Python, User Experience, WebSocket, Zendesk About the job Experience: •3+ years building production software, with significant backend engineering experience. Required Skills: •Senior Full Stack Engineer, Solve Voice •Join us at Zendesk, where we're on a mission to power exceptional service for every person on the planet. We're accelerating that ambition by building products rooted in AI, automation, and intelligent customer experiences, because behind every interaction lies an opportunity to make a human connection. •We’re seeking a Senior Full Stack Engineer to build the real-time voice AI product that makes live conversations feel natural and reliable. Your work will reduce latency, improve conversation flow, and make voice interactions an effective channel for AI-driven support. •Design and implement backend services powering real-time voice conversations, focusing on latency, reliability, and observability. •Build integrations for telephony, WebRTC, real-time audio processing, and external AI/speech services. •Ship end-to-end product features across backend systems and user-facing web experiences when required. •Improve platform reliability and performance: monitoring, tracing, autoscaling, and failure recovery. •Address real-time interaction challenges such as turn-taking, interruptions, responsiveness, and graceful handoff to humans. Qualifications: •Proficiency in Python or equivalent backend languages and async architectures. •Operational familiarity with LLMs, speech models, or conversational AI production infrastructure. •Expertise in diagnosing performance and reliability issues under real-time constraints. •The Intelligent Heart Of Customer Experience •Zendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love. •Zendesk believes in offering our people a fulfilling and inclusive experience. Our hybrid way of working, enables us to purposefully come together in person, at one of our many Zendesk offices around the world, to connect, collaborate and learn whilst also giving our people the flexibility to work remotely for part of the week. •As part of our commitment to fairness and transparency, we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position, in accordance with Company guidelines and applicable law. Compensation: •$145,000 - $217,000 / year •Flexible work environment (work from home / hybrid options) •This position may also be eligible for bonus, benefits, or related incentives Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!