Job Description
Principal Staff Engineer•Web Platform
Calabasas, CA 91302
Posted:
05/27/2026
Employment Type:
Direct Hire
Job Number:
31868
Job Location:
Hybrid
Industry:
EC•eCommerce
JOB DESCRIPTION
Job Title:
Principal Staff Engineer•Web Platform
Position Description:
Protingent Staffing has an exciting direct hire Principal Staff Engineer•Web Platform opportunity with our client located in Calabasas, CA.
Job Responsibilities:
Full-Stack Platform Engineering:
Design, develop, and maintain scalable features and services across a LAMP-based merce platform, with a strong focus on reliability, performance, maintainability, and operational excellence.
Production Operations & Incident Response:
Act as a senior technical escalation point forplex production incidents, troubleshooting issues across application, infrastructure, networking, database, CDN, and deployment layers. Lead root cause analysis and drive long-term stability improvements.
AWS Infrastructure Ownership:
Manage and optimize AWS infrastructure, including deployment architecture, scaling strategies, observability, security, disaster recovery, and cost efficiency. Partner closely with DevOps and engineering leadership on operational best practices.
High-Scale Performance Optimization:
Monitor and improve application, database, and infrastructure performance for high-traffic consumer web applications. Identify bottlenecks and implement scalable solutions to improve uptime, latency, and system resilience.
Cross-Functional Technical Leadership:
Partner with Product, Design, Operations, and Customer Experience teams to translate business requirements into scalable technical solutions and ensure successful project execution.
Global Engineering Collaboration:
Work closely with the China-based engineering team to coordinate development efforts, conduct code reviews, align on architectural direction, manage releases, and maintain strong engineeringmunication across time zones.
Code Quality & Engineering Standards:
Champion high engineering standards through code reviews, testing strategies, documentation, observability, and operational best practices. Drive continuous improvement in system reliability and development processes.
Technical Mentorship & Leadership:
Provide technical mentorship and architectural guidance across the engineering organization. Influence technical direction through hands-on leadership, strong execution, and collaborative problem-solving.
Job Qualifications:
Senior-Level Full-Stack Engineering Experience:
7+ years of professional experience building and operating large-scale web applications, including substantial hands-on experience with the LAMP stack (Linux, Apache, MySQL, PHP).
Strong AWS & Cloud Operations Expertise:
Deep hands-on experience with AWS services and production cloud environments, including EC2, RDS, S3, Lambda, CloudWatch, networking, scaling, monitoring, and infrastructure troubleshooting.
merce & High-Traffic Website Experience:
Experience supporting high-volume consumer-facing websites or merce platforms, with a strong understanding of scalability, uptime, performance optimization, and operational reliability.
Production Troubleshooting Expertise:
Demonstrated ability to diagnose and resolveplex production issues under pressure, including database replication issues, performance degradation, infrastructure failures, deployment issues, and site outages.
Distributed Systems & Database Knowledge:
Strong understanding of distributed web architectures, database performance tuning, replication strategies, caching, queuing systems, and fault-tolerant system design.
Global Team Collaboration:
Experience working effectively with offshore or globally distributed engineering teams, with strongmunication, coordination, and cross-cultural collaboration skills.
Chinese Language Skills:
Ability tomunicate in Mandarin (spoken or written) is highly desirable to facilitate collaboration with the China-based engineering team.
Engineering Best Practices:
Strong understanding of software engineering fundamentals including Git workflows, CI/CD pipelines, automated testing, observability, code review practices, and secure development standards.
Ownership Mentality:
Self-directed engineer with strong operational instincts, excellent judgment, and the ability to independently own critical technical initiatives from design through production support.
Technical Leadership:
Demonstrated ability to influence engineering direction, mentor developers, and drive technical excellence through hands-on leadership rather than direct people management.
Job Details:
Job Type:
Direct Hire
Location:
Calabasas, CA (Hybrid 3 days onsite, 2 remote)
Salary:
$130K•$195K
