We are looking for a skilled and motivated **Junior JavaScript Developer** to join our team in transforming how software is presented to sales and marketing teams. This role offers an opportunity to work with a state\-of\-the\-art demo platform and collaborate across teams like Solutions Engineers, Customer Success Managers, and Product Development specialists to deliver impactful results. 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** * Deliver custom demo environments and Proof of Concept (POC) builds designed to inspire and align with prospects' technical needs * Resolve challenges such as Authentication and web application rendering to ensure seamless demo experiences * Assist in crafting AI\-enhanced solutions and automations that accelerate operational efficiency * Translate customer feedback and requirements into tangible contributions for the product roadmap * Create and manage a centralized demo asset library and resources to support internal teams and maintain standardization * Draft technical statements of work and detailed activity reports for stakeholders, highlighting results, key insights, and challenges **Requirements** * 1\+ years of experience in a relevant technical role, focused on web development * Knowledge of web development technologies such as HTML, CSS, and JavaScript, with skills in web request diagnostics * Understanding of browser and network behavior, web request\-response cycles, authentication methods like OAuth and JWT, browser storage solutions like localStorage and cookies, and frontend/backend interaction patterns * Proficiency in tools like Chrome DevTools or comparable browser developer platforms * Competency in applying AI solutions to improve workflows * Strong ability to communicate complex technical concepts in simplified terms and tailor messages to diverse audiences * Adaptability to fast\-paced startup settings and shifting project requirements * Continuous improvement mindset aimed at identifying inefficiencies and proposing solutions * Familiarity with workflows of sales and marketing teams to align efforts with the company’s mission and values * Proactive mindset with a bias for swift, effective problem\-solving * Flexibility to work overlapping hours until 1 PM ET for CEE candidates * Fluency in English at a B1 proficiency level or higher **Nice to have** * Background in rendering and diagnosing enterprise web application issues * Familiarity with workflows in customer success or sales enablement platforms **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.*