Retell is building the new standard for automating call center communications, including sales, support, customer engagement, and retention calls.

Backed by Altman Capital, Y Combinator, and top investors, we've raised a $4.7M seed round and hit $14M ARR in 15 months.

Check us out on the Top Lean AI Native Companies Leaderboard at leanaileaderboard.com.

As an Ex-founder (Technical), you’ll join Retell AI as a versatile, high-impact leader, shaping our AI voice platform in its earliest stages. Leveraging your startup experience, you’ll wear multiple hats—spanning product, engineering, and strategy—to drive innovation and execution. You’ll collaborate closely with the founding team to tackle ambiguous challenges, build scalable solutions, and define the future of voice automation. This role offers unparalleled ownership and the chance to shape a category-leading product from the ground up.

Key Responsibilities

• Drive 0→1 initiatives, from ideation to execution, across product, engineering, or growth, adapting to the company’s most pressing needs.
• Build and iterate on core platform features, such as voice agent APIs, integrations, or developer tools, using languages like Python, JavaScript, or TypeScript.
• Collaborate with co-founders to define product strategy, prioritize roadmaps, and align on technical and business goals.
• Tackle ambiguous problems, prototyping solutions and shipping production-ready systems under tight timelines.
• Mentor early team members, fostering a culture of ownership, speed, and craft.
• Translate customer and market feedback into actionable product improvements and strategic recommendations.

You Might Thrive If You

• Have founded or co-founded a tech startup, navigating the 0→1 phase with hands-on technical and business responsibilities.
• Are a generalist with 2+ years of experience in software development (e.g., Python, JavaScript, TypeScript) and startup operations.
• Thrive in fast-paced, ambiguous environments, juggling multiple roles with grit and adaptability.
• Take ownership like a founder, moving fast and caring deeply about impact.
• Communicate clearly, aligning teams and making tough decisions with confidence.
• Learn quickly, embracing new challenges and tools to deliver results.

Job Details

• Job Type: Full-time, 70 hr/week (50 hr/week onsite with flexible hours + 20 hr/week work from home)
• Cash: $250k–$290k
• Equity: 0.2%–1.0%
• Location: Redwood City, CA, US
• US Visas: Sponsors Visa & Green Card

Other Benefits

• 100% medical, dental, vision insurance coverage
• Unlimited breakfast, lunch, dinner, and snacks
• Gym and daily commute fee reimbursement
• Internet and phone bills covered

Compensation Philosophy

• Best Offer Upfront: Choose from three cash-equity balance options; no negotiation needed.
• Top 1% Talent: Above-market pay (top 5 percentile) to attract exceptional builders.
• High Ownership: Small teams, >$1M revenue/employee, and significant equity.
• Performance-Based: Offers tied to interview performance, not experience or past salaries.

Interview Process

• Conversations With Co-Founders: You'll go through several focused conversations with Retell's co-founders. We go deep on product thinking, technical ability, and cultural alignment. We move quickly, keep things respectful and transparent, and treat every candidate like a potential future teammate.

Learn More

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Join Retell AI to shape the future of voice automation, leveraging your founder experience to build a category-defining platform.