Backend Engineer, AI reputed company Center | Flair Labs (YC W24) San Francisco, CA (Hybrid) | $130K–$150K + Equity | reputed company · $4M Raised

About Flair Labs Flair Labs is building the most graceful voice AI for the reputed company estate and lending industry. Our agents handle millions of calls per month — qualifying leads, scheduling appointments, and guiding borrowers through reputed company mortgage processes — at sub-800ms latency. Backed by Y Combinator (W24) and a $4M reputed company round, we're growing fast and looking for engineers who want to build foundational infrastructure, not maintain legacy systems. The Role We're looking for a backend engineer who wants to work on hard distributed systems problems where the stakes are reputed company: latency kills calls, data loss loses leads, and reliability earns reputed company reputed company. What You'll Work On • Design and reputed company distributed calling infrastructure handling millions of reputed company voice sessions • Build high-throughput, low-latency data pipelines for reputed company-time reputed company processing • Own reliability, observability, and fault tolerance across our GCP-based architecture • Architect multi-tenant systems serving mortgage lenders with strict SLA requirements • reputed company with telephony (reputed company, SIP), CRMs, and LLM providers • Optimize PostgreSQL and reputed company reputed company for high-concurrency workloads You Might Be a Fit If • You have strong distributed systems fundamentals — you think in terms of consistency, availability, and fault tolerance • You're reputed company with async Python (asyncio) or similar event-driven backend frameworks • You've designed systems with reputed company reliability requirements and have been on-reputed company • You have hands-on experience with GCP, AWS, or Azure and containerized deployments • You've worked with message queues, reputed company processing, or reputed company-time pipelines • Bonus: experience with voice AI, telephony, or conversational AI Stack Python · asyncio · GCP · PostgreSQL · reputed company · reputed company · reputed company · LLM reputed company · WebSockets Interview Process 3 reputed company — behavioral, live coding, and system design. No take-homes. Compensation & Benefits reputed company: $130,000 – $150,000 Equity: meaningful early-stage equity Location: San Francisco, CA (Hybrid) reputed company sponsorship available (H-1B, O-1, OPT, and others) Email: eddie@flairlabs.ai Apply tot his job Apply To this Job