engineering
Posted Nov 17, 2025Senior Software Engineer, Frontend
at Retell AI
On-site
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Responsibilities
- RESPONSIBILITIES - Design and build core UI features like prompt management, dashboards, and analytics tools. - Develop responsive, intuitive interfaces using React, TypeScript, HTML, CSS, and JavaScript. - Collaborate on backend APIs and DevOps to ensure seamless, scalable systems. - Lead frontend projects from concept to launch, owning architecture, coding, and iteration. - Work with customers to onboard, debug, and turn feedback into UX improvements.
- System Design: Architect a production-ready system. 3.
Requirements
- ABOUT RETELL AI Retell AI is using first principles to reimagine the call center with cutting-edge voice AI.
- 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.
- Instead of basic automation that needs constant human tuning, we’re creating intelligent AI “workers” that can act as frontline agents, QA analysts, and managers — continuously executing, monitoring, and improving customer interactions.
- We’re growing quickly and looking for ambitious builders who want to tackle hard technical problems, move fast, and have real impact at one of the fastest-growing voice AI startups.
- 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/ - Enterprise tech 30: https://www.wing.vc/et30/overview
- ABOUT THE ROLE As a Frontend Engineer at Retell AI, you’ll build the user experiences that power our voice automation platform—from prompt management and dashboards to analytics and customer-facing tools.
- You’ll design and ship intuitive, responsive interfaces using React and TypeScript, working closely with backend and DevOps partners to ensure everything is fast, reliable, and scalable.
- This is a hands-on, high-impact role where you’ll move quickly, take ownership, and help shape a product used in production by teams building with voice AI. KEY
- experience building production-grade apps with React and TypeScript. - Hold a degree in CS, CE, or equivalent practical experience. - Take ownership like a founder, proactively solving problems with clean design thinking. - Thrive in fast-paced environments, quickly learning new tools and frameworks. - Collaborate effectively, balancing clarity and momentum in small, dynamic teams.