Backend Engineer

We are a fast-growing voice AI testing company. We are winning (8Xed our revenue last month) and are hiring a backend and infra engineer to help us win faster. Here's what you'll do: Scale current products and infra to support 100x growth. This includes optimizing and productizing processes that humans currently do. LET’S CHAT IF YOU: Are a power user of Cursor, Zed, etc., and started using code-gen tools before they went mainstream. Have deep intuition about what the current gen LLMs are capable of and what kind of tasks that are hard now will become easier in the next model. Want to grind with us, staying close to customers to iterate fast and solve their problems. Think independently and do whatever it takes to get things done while maintaining a high-quality bar. Are excited about making AI voice agents reliable. Have shipped production LLM apps that people use. Have built 0-1 real-time systems at scale in Telecom/Networking, Autonomous Vehicles or high-frequency trading. Have hands-on expertise with distributed systems and a knack for orchestration, monitoring, and analytics. BONUS POINTS: Have prior experience founding a company or building products at early stages. Have built AI voice apps. TECH STACK: Essentials: Next.JS, TypeScript, Python, Tailwind AI: OpenAI, Anthropic, STT, TTS, etc. Infrastructure: PostgreSQL, k8 INTERESTING TECHNICAL CHALLENGES: Create voice simulations that model the real world (background noise, accents, etc.) Generalize DSPy style prompt optimization to voice Support 10K parallel calls with 99.99% reliability

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