Senior Backend Engineer, AI Infrastructure

Recruiting from Scratch; San Francisco (CA); On-site; USD 250,000 - 300,000; Full time

Benefits offered by this job

Competitive equity

Profit sharing

On-site

Job summary

Recruiting from Scratch is seeking a Senior Software Engineer, Backend (Infrastructure) for on-site work in San Francisco. You will design and operate core infrastructure powering data generation and AI evaluation pipelines, focusing on scalability, reliability, and large-scale systems.

Ideal candidates have 5–8 years in software engineering, strong backend infra experience, cloud production systems familiarity (AWS/GCP), and proficiency in Python or Node.js, plus hands-on use of Kubernetes,

Qualifications

• 5–8 years of software engineering experience.
• Strong backend and infrastructure experience (distributed systems, scalability, reliability).
• Production systems experience in cloud environments (AWS or GCP).
• Proficiency in Python or Node.js.
• Experience with modern infrastructure tools (Kubernetes, Kafka, Redis).

Responsibilities

• Design and build core infrastructure powering data generation, evaluation pipelines, and AI systems.
• Own scalability, reliability, and performance of foundational backend systems.
• Architect distributed systems to handle high-throughput, large-scale datasets.
• Collaborate with product and vertical engineering teams to enable rapid development.
• Establish best practices for system design, observability, and deployment.
• Improve infrastructure for real-time and batch processing workloads.
• Mentor junior engineers and contribute to a high-performance engineering culture.
• Work across the stack when needed (backend-heavy with some full-stack exposure).
• Take ownership of critical systems from design through production.

Skills

Backend engineering

Distributed systems

Cloud environments (AWS/GCP)

Python

Node.js

Kubernetes

Kafka

Redis

Tools

Elasticsearch

Docker

Job description

Recruiting from Scratch is seeking a Senior Software Engineer, Backend (Infrastructure) for on-site work in San Francisco. You will design and operate core infrastructure powering data generation and AI evaluation pipelines, focusing on scalability, reliability, and large-scale systems.

Ideal candidates have 5–8 years in software engineering, strong backend infra experience, cloud production systems familiarity (AWS/GCP), and proficiency in Python or Node.js, plus hands-on use of Kubernetes,