Senior​/Software Engineer; Voice

Who is Recruiting from Scratch:

Recruiting from Scratch is a specialized talent firm dedicated to helping companies build exceptional teams. We partner closely with our clients to deeply understand their needs, then connect them with top‑tier candidates who are not only highly skilled but also the right fit for the company’s culture and vision. Our mission is simple: place the best people in the right roles to drive long‑term success for both clients and candidates.

Senior / Staff Software Engineer (Voice AI)

Redwood City, CA

Late‑stage venture‑backed / Unicorn‑status platform

Hybrid (Tuesday–Thursday in office)

$220,000 – $270,000 base + equity

Our client is a fast‑growing AI software company transforming how large‑scale service organizations operate through autonomous AI agents. Their platform enables human‑like, multi‑step reasoning to manage complex workflows across voice, messaging, and web channels—at scale and around the clock.

Backed by top‑tier investors and experiencing rapid year‑over‑year growth, the company supports millions of end users on its platform and has scaled revenue from zero to multi‑million ARR in a short time frame. This is a rare opportunity to join a category‑defining AI company at a pivotal stage of growth, working on real‑world systems that impact millions of daily interactions.

• Design, build, and deploy production‑grade conversational AI systems across voice, SMS, and web chat
• Develop and optimize NLP pipelines for intent classification, entity extraction, and conversation state management
• Build and scale LLM‑powered conversation flows
  , applying advanced prompt engineering techniques
• Integrate speech‑to‑text and text‑to‑speech systems to support natural, real‑time voice experiences
• Establish monitoring, logging, and analytics to track conversation quality, latency, and system performance
• Collaborate closely with product, design, and cross‑functional partners to deliver intuitive, high‑impact user experiences
• Contribute to architectural decisions for systems handling thousands of concurrent real‑world interactions

• 5+ years of professional experience in software engineering
• Hands‑on experience building and scaling production conversational AI, voice AI, or NLP systems
• Experience deploying AI systems that handle high‑volume, real‑world user interactions
• Strong background in backend or platform engineering, with comfort operating in fast‑paced environments
• Ability to take ownership of complex problems end‑to‑end and deliver high‑quality solutions
• Bachelor’s degree in Computer Science or a related technical field (or equivalent practical experience)

• Experience with conversational AI frameworks or platforms (e.g., Dialogflow, Amazon Lex, Rasa, Botpress)
• Experience working with speech technologies (STT/TTS) and voice‑enabled applications
• Familiarity with LLM APIs and AI tooling (e.g., OpenAI, Anthropic)
• Background in high‑growth SaaS, AI startups, or early‑stage product companies
• Exposure to domains such as real estate tech, workflow automation, or enterprise software
• Experience with cloud infrastructure (AWS or similar)

• Base salary: $220,000 – $270,000
• Equity: Competitive equity package
• Employment type: Full‑time
• Work model: Hybrid (in‑office Tuesday–Thursday)
• Location: Redwood City, CA
• Visa: Transfer sponsorship available
• Opportunity to work on mission‑critical AI systems with real‑world impact at massive scale
• Join a rapidly growing team with strong product momentum and long‑term career growth opportunities