We are looking for a driven and experienced **Lead PHP Developer** who specializes in optimizing performance and scalability for platform governance and resource management. In this role, you will be responsible for architecting, building, and deploying solutions that proactively manage platform limits, ensuring stability and equitable resource allocation over time. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi\-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting\-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential. **Responsibilities** * Collaborate with engineering teams to gain insight into system architecture and pinpoint critical performance factors * Deliver recommendations for system enhancements based on data analysis * Advance load testing strategies, tools, and standards within the Platform Governance group * Prepare comprehensive documentation and share findings from test plans and results * Address and resolve platform bottlenecks to boost efficiency * Design and implement systems to enforce limits across multiple platform access points **Requirements** * Minimum 5 years of hands\-on experience with PHP and proficiency in either Go or Scala, with readiness to work across all three languages * At least one year of experience leading and managing development teams * Practical experience with OpenTelemetry, Prometheus, and ELK * Knowledge of cloud environments such as Google Cloud Platform, AWS, or Azure * Understanding of microservices architecture * Experience with CI/CD pipeline development and maintenance * Strong analytical and troubleshooting abilities * Background in ecommerce, including familiarity with store operations, catalog management, and checkout workflows * English language skills, both written and spoken, at B2\+ level or higher **Nice to have** * Ability to communicate complex technical concepts to a variety of audiences * Demonstrates initiative and actively seeks out new challenges and solutions * Growth\-oriented mindset, enthusiastic about learning new technologies and adapting to evolving needs * Interest or experience in ecommerce, with awareness of the specific performance requirements of online retail **We offer** * Connectivity Bonus (25,000 ARS are paid with a salary receipt at the end of each month as a non\-wages concept). * Medicina Prepaga (It covers the collaborator and direct family group). * Paternity Leave (Two additional days are added to what is established by law, total of 4 days). * Discounts card. * English Training (English lessons, twice per week). * Training Program (Access to multiple customized training plans according to the needs of each role within the company). * Marriage bonus (The company doubles the allowance established by law that ANSES offers). * Referral Program (Referral bonus is paid when the referral of a collaborator joins the Company). * External Agreements and Discounts. * Vacations: 14 calendar days a year *By applying to our role, you are agreeing that your personal data may be used as in set out in EPAM´s Privacy Notice and Policy.*