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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 ecommerce platform, with a strong focus on reliability, performance, maintainability, and operational excellence.
  • Production Operations & Incident Response: Act as a senior technical escalation point for complex 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 engineering communication 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.
  • Ecommerce & High-Traffic Website Experience: Experience supporting high-volume consumer-facing websites or ecommerce platforms, with a strong understanding of scalability, uptime, performance optimization, and operational reliability.
  • Production Troubleshooting Expertise: Demonstrated ability to diagnose and resolve complex 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 strong communication, coordination, and cross-cultural collaboration skills.
  • Chinese Language Skills: Ability to communicate 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

About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.

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About Calabasas, CA

Ready to take the first step towards an exciting career opportunity in Calabasas, California? Nestled in the beautiful hills of Los Angeles County, Calabasas offers a unique blend of upscale amenities, a thriving job market, and a vibrant community. With close proximity to Malibu beaches, the scenic Santa Monica Mountains, and renowned attractions like the Getty Villa and Malibu Wine Safari, Calabasas provides a perfect work-life balance for job seekers. Explore job listings in this dynamic area to unlock growth opportunities, savor delicious local cuisine, indulge in art at the Calabasas Fine Arts Festival, and embrace the charming lifestyle that this region has to offer. Start your journey towards a fulfilling career in Calabasas today.