We are seeking a highly motivated and skilled Senior PHP Developer with a strong focus on performance and scalability for platform governance and limits enforcement. In this position, you will play a key role in designing, developing, and deploying solutions to proactively manage and enforce platform limits, supporting long\-term stability and fair resource usage. 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** * Work closely with engineering teams to understand system architecture and identify key performance areas * Provide data\-driven recommendations for system improvements * Contribute to the ongoing enhancement of load testing methods, tools, and best practices within the Platform Governance team * Thoroughly document and communicate test plans, results, and insights * Optimize platform bottlenecks to improve performance * Develop and implement mechanisms to enforce limits at various platform entry points **Requirements** * At least 3 years of experience with PHP and proficiency in either Go or Scala, with a willingness to learn and work across all three languages * Hands\-on experience with OpenTelemetry, Prometheus, and ELK * Familiarity with cloud platforms such as Google Cloud Platform, AWS, or Azure * Understanding of microservices architectures * Experience working with CI/CD pipelines * Strong problem\-solving and debugging skills * Previous experience in the ecommerce sector, including knowledge of store operations, catalog management, and checkout processes * English proficiency, both written and spoken, at a B2\+ level or higher **Nice to have** * Excellent communication skills, able to explain complex technical topics to both technical and non\-technical audiences * High level of initiative and drive, actively seeking out challenges and solutions * Strong growth mindset, eager to learn new technologies and adapt to changing requirements * Interest in or experience with the ecommerce industry, with an understanding of the unique performance needs 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.*