# Senior Software Engineer, Platform

**Company:** [David AI](https://hotfix.jobs/companies/david-ai)
**Location:** San Francisco, CA
**Role:** Backend Engineering
**Salary:** $160k – $220k/yr
**Experience:** 3+ years
**Skills:** REST APIs, Postgres, MySQL, Distributed Systems, Service-Oriented Architecture, Cloud Infrastructure, Infrastructure-As-Code, Node.js, TypeScript, AWS, Trpc, Event-Driven Architectures, CI/CD, DevOps, Ffmpeg
**Posted:** 2025-08-13

> Builds and maintains scalable backend services and distributed systems to process petabytes of audio data. Requires 3+ years backend experience with APIs, databases, cloud infra, and distributed systems.

## Job Description

## Responsibilities
- Design, build, and maintain production-grade backend services that power everything from data collection to customer-facing insights.
- Own the architecture and performance of distributed systems that ingest, transform, and serve audio data at scale.
- Define and evolve internal APIs and service boundaries to support a growing set of ML and product features.
- Build resilient, observable, and easy-to-debug systems with strong performance characteristics.
- Collaborate with product, operations, and ML teams to rapidly iterate on new product + research ideas and ship fast.

## Requirements
- 3+ years backend development building scalable APIs and services.
- Proficient with **RESTful APIs**, service interfaces, and database design (**PostgreSQL**, **MySQL**).
- Strong understanding of **distributed systems** and **service-oriented architecture**.
- Extensive **cloud infrastructure** and **infrastructure-as-code** experience.
- Proficient in profiling, debugging, and optimizing backend systems.

## Nice-to-haves
- Experience launching systems from ground up in high-growth environments.
- Familiarity with **event-driven architectures**, **async processing**, or large-scale data pipelines.
- Familiarity with **CI/CD pipelines** and **DevOps** best practices.
- Built scalable data pipelines that have facilitated large-scale event-driven workflows across large volumes of audio or video data.
- Scaled up inference and train compute for large scale workloads in a production setting.

## Technologies
- **Next.js**, **TypeScript**, **TailwindCSS**, **Node.js**, **tRPC**, **PostgreSQL**, **AWS**, **Trigger.dev**, **WebRTC**, **FFmpeg**.

## Benefits
- Unlimited PTO.
- Top-notch health, dental, and vision coverage with 100% coverage for most plans.
- FSA & HSA access.
- 401k access.
- Meals 2x daily through DoorDash + snacks and beverages available at the office.
- Unlimited company-sponsored Barry’s classes.

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**Apply:** https://hotfix.jobs/jobs/193858a7-724b-429b-b9e0-98a3e330f65f
**Canonical:** https://hotfix.jobs/jobs/193858a7-724b-429b-b9e0-98a3e330f65f