We are seeking a **Senior JavaScript Full\-Stack Engineer** to join our team developing a cutting\-edge system designed to enhance operational efficiency and scalability. You will collaborate with a skilled team to develop SDKs, API Gateways, and extensions using TypeScript, contributing to both backend and frontend components. If you are passionate about driving operational excellence and building scalable solutions, we encourage you to apply. **Responsibilities** * Develop SDKs for APIs to facilitate integration and extension development * Build and maintain API Gateway components to support extension functionality * Write TypeScript extensions to enhance platform capabilities * Create and execute unit tests to ensure code quality and reliability * Contribute to performance testing implementation and optimization efforts * Deploy services to production environments and monitor their health * Provide production support and troubleshoot issues as they arise * Collaborate closely with software development engineers and testers * Design scalable and maintainable software solutions * Participate in code reviews and provide constructive feedback * Document technical designs and implementation details * Stay updated with industry trends and best practices in JavaScript and related technologies * Ensure compliance with security and operational standards * Coordinate with cross\-functional teams to meet project goals **Requirements** * 3\+ years of experience in JavaScript and TypeScript development * Proficiency in API Gateway technologies and extension development * Experience with Amazon Web Services for deployment and infrastructure management * Proficiency in the Angular framework * Familiarity with container technologies such as Docker or Kubernetes * Ability to write and maintain unit tests and contribute to performance testing * Experience supporting production environments and incident resolution * Understanding of SDK design and implementation * Good problem\-solving and analytical skills * Experience working in agile development environments * Ability to collaborate effectively with team members and stakeholders * Strong organizational and time management skills * Commitment to maintaining high quality and security standards * Adaptability to evolving project requirements and technologies * Upper\-Intermediate English proficiency (B2\) for effective communication **Nice to have** * Experience with Apache Kafka for event streaming * Familiarity with Kong API Gateway * Knowledge of unit testing frameworks and practices **We offer** * Career plan and real growth opportunities * Unlimited access to LinkedIn learning solutions * Constant training, mentoring, online corporate courses, eLearning and more * English classes with a certified teacher * Support for employee’s initiatives (Algorithms club, toastmasters, agile club and more) * Enjoyable working environment (Gaming room, napping area, amenities, events, sport teams and more) * Flexible work schedule and dress code * Collaborate in a multicultural environment and share best practices from around the globe * Hired directly by EPAM \& 100% under payroll * Law benefits (IMSS, INFONAVIT, 25% vacation bonus) * Major medical expenses insurance: Life, Major medical expenses with dental \& visual coverage (for the employee and direct family members) * 13 % employee savings fund, capped to the law limit * Grocery coupons * 30 days December bonus * Employee Stock Purchase Plan * 12 vacations days * Official Mexican holidays, plus 5 extra holidays (Maundry Thursday and Friday, November 2nd, December 24th \& 31st) * Monthly non\-taxable amount for the electricity and internet bills 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. *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.*