Principal Staff Engineer - Web Platform

Calabasas, California, United States💼 Full-time💰 $130,000–$130,000🗓 2026-08-31 → 2026-09-26

Core

Senior technical leader architecting, developing, and scaling high-traffic ecommerce web platforms and AWS infrastructure.

Role type

Principal Staff Engineer (Web Platform)

Builds

Scalable LAMP-based ecommerce applications and AWS cloud infrastructure

Domain

Ecommerce, Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

LAMP stack (Linux, Apache, MySQL, PHP), AWS services (EC2, RDS, S3, Lambda, CloudWatch), high-scale performance optimization, distributed systems architecture, database tuning, incident response, CI/CD pipelines, code review

Preferred skills

Mandarin Chinese, global team collaboration, technical mentorship

Technologies

LAMP, AWS, EC2, RDS, S3, Lambda, CloudWatch, Git

Responsibilities

Design and maintain scalable features for the ecommerce platform; act as senior escalation point for production incidents; manage and optimize AWS infrastructure; optimize application and database performance; coordinate with global engineering teams; champion engineering standards and mentor developers

Seniority

Principal, hands-on IC with strategic influence

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About PlanetArt

PlanetArt is looking for a Product Manager, Mobile to support the company's Mobile R&D department. The successful candidate will collaborate closely with the Head of Product Management, Mobile, to plan vision, execution, and tracking of mobile app development products. Candidate will also be responsible for mobile analytics, revenue growth and ensuring the success of their apps. The Product Manager is the business owner for their websites. This role requires a keen eye for detail, excellent organizational skills, and the ability to work collaboratively in a fast-paced environment.