We are looking for an experienced **JavaScript Developer** to join our team. In this role, you will be responsible for improving the quality, reliability, and performance of our applications. This position requires strong technical skills, a collaborative mindset, and the ability to solve challenges in a dynamic environment. *We accept* *CVs in English only.* **Responsibilities** * Drive efforts to enhance code quality, modernize legacy systems, and implement best practices for scalability and maintainability * Handle complex state management and side\-effects using Redux and React Context * Build reliable unit and integration tests using React Testing Library and Mock Service Worker (MSW) * Develop and maintain end\-to\-end (E2E) tests with Playwright to ensure application reliability * Collaborate with product managers, designers, and backend developers to deliver high\-quality features * Take part in code reviews, contribute to design discussions, and improve team workflows and processes * Work independently while maintaining regular communication with the team through asynchronous tools and meetings **Requirements** * Bachelor’s or Master’s degree in Computer Science or a related field * A minimum of 2 years of professional experience in front\-end development, preferably in e\-commerce or SaaS environments * Proficiency in React, TypeScript, and JavaScript * Practical experience with React Testing Library and Mock Service Worker (MSW) * Strong understanding of GraphQL and REST API integration * Expertise in state management using Redux and React Context * Familiarity with end\-to\-end testing frameworks like Playwright * Experience with performance monitoring tools and observability platforms such as Sentry * Knowledge of CI/CD workflows and their implementation in software projects * Excellent communication and teamwork skills, valuing collaboration and technical precision equally * Ability to work autonomously while balancing quality and speed * Fluent English communication skills, written and spoken, at a B2 level or higher **Nice to have** * Experience with Agile development frameworks like Scrum or Kanban **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.