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Full Stack Engineer (Serverless) at fal | San Francisco

falSan Francisco
On-site Full-time $150K/yr - $230K/yr

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Experience Level

Mid to Senior

Qualifications

What You'll Work On: Develop and maintain essential Serverless UI features, including dashboards, logs, observability, configuration, and usage metrics. Design and implement backend APIs that enhance the Serverless product experience. Enhance the performance, reliability, and scalability of systems that interact with customers. Collaborate closely with the Infrastructure team to ensure product features align with underlying platform capabilities. Take ownership of features from initial design to production and subsequent iterations. What We’re Looking For: Extensive experience in both frontend and backend development. Proficiency in TypeScript, Python, Postgres, and Next.js. Demonstrated ability to own features throughout their lifecycle in production systems. A product-oriented mindset, valuing clean abstractions and maintainability. Ability to switch contexts effectively between UI development, backend work, and performance optimization.

About the job

At fal, we are revolutionizing the infrastructure for AI inference with our cutting-edge Serverless platform. Currently supporting over 1,300 endpoints on the fal Marketplace, our system processes tens of millions of requests daily across various production workloads.

Enterprises leverage fal Serverless to effortlessly deploy, operate, and scale their custom AI models without the burden of managing infrastructure. Our platform takes care of autoscaling, observability, and operational complexities, providing a smooth user experience through our intuitive UI.

Launched in early 2025, our Serverless infrastructure, initially developed to meet fal's internal scaling needs, has quickly evolved into a core revenue-generating product with exponential growth in adoption.

As one of the fastest-growing AI startups, fal has achieved a Series D funding round with a remarkable valuation of $4.5 billion, all while maintaining a lean and agile team of approximately 70 employees. Joining us now means gaining significant ownership and making a direct impact on a foundational product.

About fal

fal is at the forefront of AI technology, providing a scalable and efficient infrastructure for AI inference. Our innovative solutions empower enterprises to harness the power of AI without the complexities of infrastructure management. With a rapidly growing team and significant market presence, fal is dedicated to driving the future of AI applications.

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