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. *We accept* *CVs in English only.* **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** * Learning Culture \- We want you to be the best version of yourself, that is why we offer unlimited access to learning platforms, a wide range of internal courses, and all the knowledge you need to grow professionally * Health Coverage \- Health and wellness are important, that is why we have you and up to four family members in a premiere health plan. We have a couple of options, so you can choose what is best for you and your family * Visual Benefit \- Seeing your work for us would be a sight for sore eyes. We want your vision to always be at 100% which is why we offer up to $200\.000 COP for any visual health expenses * Life Insurance Plan \- We have partnered with MetLife to offer a full\-coverage Ife insurance plan. So, your family is covered, even if you are gone. * Medical Leave Coverage \- We are one of the few companies that cover 100% of your medical leave, for up to 90 days. Your health is the most important thing to us * Professional Growth Opportunities \- We have designed a highly competitive and complete development process, where you will have all the tools to get where you have always wanted to be, personally and professionally * Stock Option Purchase Plan \- As an EPAMer you can be more than just an employee, you will also have the opportunity to purchase stock at a reduced price and become a part owner of our organization * Additional Income \- Besides your regular salary, you will also have the chance to earn extra income by referring talent, being a technical interviewer, and many more ways * Community Benefit \- You will be part of a worldwide community of over 50,000 employees, where you can learn, challenge yourself, stand out, and share your knowledge and experience with multicultural teams! *Please note that even though you are applying for this position, you may be offered other projects to join within EPAM.* 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.