Full-Stack Software Engineer

About the Role

Retell AI is building the future of conversational AI, enabling businesses to deploy lifelike AI voice agents at scale. As a Full-Stack Software Engineer, you will work across the entire stack — from React-based dashboards to high-performance backend services — shipping features that power real-time voice interactions for thousands of businesses worldwide.

Key Responsibilities

• Design, build, and maintain full-stack features across the Retell AI platform (React/Next.js frontend, Node.js/Python backend).
• Develop and optimize real-time communication pipelines for AI voice agents including WebSocket and WebRTC integrations.
• Build intuitive dashboards, developer tools, and APIs that make it easy for customers to create, test, and deploy voice agents.
• Collaborate with ML/AI engineers to integrate LLM-powered features and speech models into the product.
• Design scalable database schemas and data pipelines to support rapid growth.
• Write clean, well-tested code and participate in code reviews to maintain high engineering standards.
• Identify and resolve performance bottlenecks across the stack, especially in latency-sensitive voice pipelines.
• Contribute to architecture decisions, technical roadmap planning, and engineering culture.

Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent practical experience.
• 3+ years of professional full-stack development experience.
• Strong proficiency in TypeScript/JavaScript, React, and Node.js.
• Experience with Python, cloud infrastructure (AWS/GCP), and containerized deployments (Docker, Kubernetes).
• Familiarity with real-time systems, WebSockets, or telephony/VoIP platforms is a strong plus.
• Experience with LLM APIs (OpenAI, Anthropic, etc.) or speech-to-text / text-to-speech systems is highly valued.
• Strong problem-solving skills with a bias toward shipping high-quality products quickly.
• Excellent communication skills and ability to work in a fast-paced, collaborative startup environment.

Benefits

• Competitive total compensation: $215,000 – $290,000 (base + equity).
• Significant equity package in a high-growth AI startup.
• Comprehensive health, dental, and vision insurance.
• Catered meals and snacks at the Redwood City office.
• Generous PTO and paid holidays.
• Home office setup stipend and learning & development budget.
• Opportunity to shape foundational technology in the conversational AI space.