Senior Software Engineer, Backend
Recruiting from Scratch · San Francisco, United States ·
- Seniority
- Senior
- Category
- Backend
- Experience
- 5+ years
- Salary
- USD 250,000 – 300,000 / year
Recruiting from Scratch · San Francisco, United States ·
A senior backend engineer designs and builds the core infrastructure behind AI data-generation, evaluation, and human-in-the-loop pipelines, owning scalability and reliability of high-throughput distributed systems. Day-to-day work centers on Python or Node.js, cloud (AWS/GCP), and tools like Kubernetes, Kafka, and Redis, on-site in San Francisco.
Senior Software Engineer, Backend (Infrastructure)
Early-stage (recently raised ~$30M+, Series A upcoming)
On‑site (5 days/week)
$250,000 – $300,000 + Competitive Equity + Bonus (profit share)
Our client is a rapidly growing AI infrastructure company building the backbone for next‑generation agentic systems and data workflows. They are working at the frontier of AI by enabling large‑scale data generation, evaluation pipelines, and human‑in‑the‑loop systems that power advanced machine learning models.
The company is already generating significant revenue with strong growth and is collaborating with leading AI labs and high‑growth startups. With a highly technical and talent‑dense team, they are tackling some of the most complex infrastructure challenges in AI today.
Operating across domains like healthcare and finance, they are building scalable systems to support massive data throughput and real‑time processing—positioning themselves as a key infrastructure layer in the evolving AI ecosystem.