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Principal Staff Engineer - Web Platform

Protingent
  • Calabasas, CA
  • $130,000–$195,000 Per Year
  • Quick Apply
30+ days ago

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.

Numbers & Facts

LocationCalabasas, CA
Salary$130,000–$195,000 Per Year

Skills

  • AWS Lambdaunmatched
  • Aerospace and Defenseunmatched
  • Amazon Elastic Compute Cloud (EC2)unmatched
  • Amazon Simple Storage Service (S3)unmatched
  • Amazon Web Services (AWS)unmatched
  • Apacheunmatched
  • Architectural Servicesunmatched
  • Artificial Intelligence (AI)unmatched
  • Best Practicesunmatched
  • Business Operationsunmatched
  • Cachingunmatched
  • Chinese Languageunmatched
  • Clean Technologiesunmatched
  • Cloud Computingunmatched
  • Code Reviewsunmatched
  • Communication Skillsunmatched
  • Content Delivery Network (CDN)unmatched
  • Continuous Deployment/Deliveryunmatched
  • Continuous Improvementunmatched
  • Continuous Integrationunmatched
  • Cross-Functionalunmatched
  • Customer Experienceunmatched
  • Customer Facing Websiteunmatched
  • Customer Support/Serviceunmatched
  • Database Replicationunmatched
  • DevOpsunmatched
  • Disaster Recoveryunmatched
  • Distributed Computingunmatched
  • Distributed Databasesunmatched
  • Documentationunmatched
  • Engineeringunmatched
  • Gitunmatched
  • Identify Issuesunmatched
  • Incident Responseunmatched
  • Information Technology & Information Systemsunmatched
  • Internet Applicationunmatched
  • LAMP (Linux Apache MySQL PHP/Perl/Python)unmatched
  • Leadershipunmatched
  • Linux Operating Systemunmatched
  • Mandarin Chinese Languageunmatched
  • Medical Equipmentunmatched
  • Mentoringunmatched
  • MySQLunmatched
  • Organizational Skillsunmatched
  • PHP Scripting Language (PHP Hypertext Preprocessor)unmatched
  • People Managementunmatched
  • Performance Analysisunmatched
  • Performance Tuning/Optimizationunmatched
  • Problem Solving Skillsunmatched
  • Process Improvementunmatched
  • Product Designunmatched
  • Production Supportunmatched
  • Production Systemsunmatched
  • Project Executionunmatched
  • Quality Engineeringunmatched
  • Release Management/Engineeringunmatched
  • Replication and Remote Mirroringunmatched
  • Requirements Managementunmatched
  • Root Cause Analysisunmatched
  • Scalable System Developmentunmatched
  • Software Engineeringunmatched
  • Systems Reliabilityunmatched
  • Team Playerunmatched
  • Technical Leadershipunmatched
  • Technical/Engineering Designunmatched
  • Test Automationunmatched
  • Test Strategyunmatched
  • Website Trafficunmatched
  • eCommerceunmatched

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