Staff AI Platform Engineer: Reliability & Scale

Ejam Inc; Santa Ana (CA); On-site; USD 172,000 - 220,000; Full time

Benefits offered by this job

Health, Dental, Vision

401k Plan

PTO Plan

14 observed local holidays

Stock options

Pet-friendly office environment

Equipment budget and learningAllowance

Job summary

Ejam Inc. in Santa Ana, CA is hiring a Staff Engineer to own AI generation services, provider integrations and platform reliability. The role emphasizes Python and GCP-first work with TypeScript for cross-service contracts.

This senior IC position reports to engineering leadership and offers substantial technical ownership within a small team, impacting a commercially active AI product.

Qualifications

• Proficiency in Python 3.12 with FastAPI, Pydantic, asyncio and strict typing in production.
• Experience with Google Cloud Platform services: Cloud Run, Pub/Sub, Cloud Tasks, GCS, Firestore, Cloud SQL/Postgres.
• Experience with webhooks, queues, retries, idempotency, dead-letter queues and durable asynchronous jobs.
• SQLAlchemy and Alembic, together with billing or usage-metering experience.
• Infrastructure and delivery tooling: Terraform, IAM/OIDC, Secret Manager, CI/CD.
• Production integrations with image, video or LLM providers.
• Working proficiency in NestJS/TypeScript sufficient to modify cross-service contracts.
• Strong background in observability, cost tracking and incident debugging.
• Fluency with agentic coding tools (Claude Code, Codex, Cursor or comparable), including the ability to scope work for them, review their output critically and maintain architectural coherence across AI-assisted changes.

Responsibilities

• Own the design, delivery and operation of AI generation services and all third-party provider integrations
• Ensure billing and usage-metering integrity across the platform, including reconciliation and credit accounting
• Maintain tenant isolation and platform security controls
• Lead reliability engineering: failure handling, degradation strategy, capacity and incident response
• Strengthen deployment safeguards, observability and cost attribution
• Set technical standards for the Python services and mentor engineers working within them

Skills

Python

FastAPI

Pydantic

AsyncIO

Typing

NestJS

TypeScript

Observability

Cost tracking

Incident debugging

AI tooling

Tools

Google Cloud Platform

Cloud Run

Pub/Sub

Cloud Tasks

GCS

Firestore

Cloud SQL/PostgreSQL

SQLAlchemy

Alembic

Terraform

IAM/OIDC

Secret Manager

CI/CD

Claude Code

Codex

Cursor

Job description

Ejam Inc. in Santa Ana, CA is hiring a Staff Engineer to own AI generation services, provider integrations and platform reliability. The role emphasizes Python and GCP-first work with TypeScript for cross-service contracts.

This senior IC position reports to engineering leadership and offers substantial technical ownership within a small team, impacting a commercially active AI product.