Full-Stack Software Engineer
Employee•on-site•Redwood City•$215k - $290k+ Extremely competitive
About this role
As a Senior Full-Stack Engineer, you’ll shape the heart of Retell AI’s voice automation platform, building scalable systems and intuitive interfaces that power millions of AI-driven conversations. You’ll work across the stack – leveraging React, TypeScript, and Node.js – to deliver fast, beautiful, and reliable solutions. Collaborating closely with the founding team, you’ll bridge backend architecture (like prompt orchestration and telephony integrations) with frontend experiences (such as dashboards and analytics tools), ensuring seamless customer onboarding and impactful user experiences. This high-impact role offers rapid feedback loops, customer collaboration, and the opportunity to define a category-leading product that transforms global communication.
Key responsibilities:
Develop core features like prompt orchestration, dashboards, analytics, and telephony integrations.
Build scalable full-stack systems, from polished UIs to robust APIs and DevOps workflows.
Lead projects from architecture to production, owning coding, deployment, and iteration.
Create intuitive interfaces and APIs, enabling customers to activate in hours.
Support customer onboarding, debug issues, and turn feedback into product enhancements.
Interview process
- 1Interview
- 2Assessment Interview
- 3Final Interview
- 4AI Interview with Alex
- 5Initial Interview
About Retell AI
Retell AI is using the first principles to reimagine the call center with cutting edge voice AI.Since launching 18 months ago, thousands of companies now utilize Retell’s AI voice agents to handle sales, support, and logistics calls that once required large teams of human agents. Backed by Y Combinator, Altman Capital, and other leading investors, we have scaled to $36M ARR with a team of 20 people, up from $5M at the start of 2025.In 2026, We are expanding our vision to build a CX platform of the AI era where the entire contact center is reimagined as a team of AI employees. We are moving beyond mechanical automation that relies on human finetuning to instead transform core functions into intelligent, opinionated AI roles. Frontline agents, QA analysts, and managers now operate as distinct digital workers that serve as the new interface for customer experience. They execute, monitor, and improve continuously to create a system where software behaves like an organization.We’re scaling fast, and we’re looking for bold, ambitious people to help us build the gold standard for voice automation. If you want to work on deeply technical challenges, move fast, and make an outsized impact at one of the fastest-growing Voice AI startups in the world, you’ll love it here.Let’s build the future together.We’re a top 50 AI app in a16z list: https://tinyurl.com/5853dt2x#4 on Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025 We're also one of the top ranking startups on: https://leanaileaderboard.com/
Ready to join Retell AI?
Take the next step in your career journey
Frequently Asked Questions
What does Retell AI pay for a Full-Stack Software Engineer?
Retell AI offers a competitive compensation package for the Full-Stack Software Engineer role. The salary range is USD 215k - 290k per year, plus Extremely competitive equity. Apply through Clera to learn more about the full compensation details.
What does a Full-Stack Software Engineer do at Retell AI?
The Full-Stack Software Engineer role at Retell AI involves As a Senior Full-Stack Engineer, you’ll shape the heart of Retell AI’s voice automation platform, building scalable systems and intuitive interfaces that power millions of AI-driven conversations. You...
Is the Full-Stack Software Engineer position at Retell AI remote?
The Full-Stack Software Engineer position at Retell AI is based in Redwood City, United States and is on-site. Contact the company through Clera for specific work arrangement details.
How do I apply for the Full-Stack Software Engineer position at Retell AI?
You can apply for the Full-Stack Software Engineer position at Retell AIdirectly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process.