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Principal/Staff Engineer, Platform & Systems

Retell AISan Francisco Bay Area
On-site Full-time

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Experience Level

Mid to Senior

Qualifications

To thrive in this role, candidates should possess a robust background in software engineering, with proficiency in modern programming languages and frameworks. Strong problem-solving skills, experience in cloud infrastructure, and a passion for AI technologies are essential. Previous experience in leading technical projects and collaborating with cross-functional teams will be advantageous.

About the job

ABOUT RETELL AI

At Retell AI, we are revolutionizing the call center experience using cutting-edge voice AI technology. In just 18 months since our inception, thousands of companies have leveraged our AI voice agents to streamline sales, support, and logistics operations that previously required extensive human teams. Supported by prominent investors such as Y Combinator and Alt Capital, we have grown from $5M to an impressive $36M ARR with a dedicated team of 20.

Our ambitious vision for 2026 is to create a state-of-the-art customer experience platform where entire contact centers are driven by AI. Rather than relying on basic automation that necessitates constant human oversight, we are developing intelligent AI “workers” to function as frontline agents, QA analysts, and managers—constantly executing, monitoring, and enhancing customer interactions.

As we rapidly expand, we seek passionate innovators eager to solve complex technical challenges, move swiftly, and make a meaningful impact at one of the fastest-growing voice AI startups. Join us in building the future!

THE ROLE

We are in search of a Principal/Staff Engineer to spearhead the technical direction of our core platform. This is an individual contributor role designed for someone who excels in uncertainty, acts swiftly, and elevates the standards of those around them.

You will engage with various systems, infrastructure, and product surfaces while collaborating closely with engineering teams, product managers, and leadership to scale successful initiatives and innovate for the future.

This role is not about merely addressing tickets; you will identify challenges, engineer solutions, and deliver impactful results.

KEY RESPONSIBILITIES

  • Lead the design and evolution of our core platform and systems architecture.
  • Oversee complex technical projects from inception to production.
  • Make strategic technical decisions that optimize for speed, reliability, and scalability.
  • Collaborate across teams to facilitate knowledge sharing and best practices.

About Retell AI

Retell AI is at the forefront of transforming customer interactions through innovative AI solutions. Our commitment to excellence and technological advancement sets us apart in the rapidly evolving AI landscape, making us a sought-after partner for businesses looking to enhance their operational efficiency and customer satisfaction.

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