We are seeking a driven and skilled **JavaScript Developer** to join our team, elevating how software demonstrations empower sales and marketing teams. This role provides a chance to make meaningful contributions to a cutting\-edge demo platform while collaborating with diverse teams, such as Solutions Engineers, Customer Success Managers, and Product Development specialists, to drive outstanding 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** * Create tailored demo environments and Proof of Concept (POC) builds in alignment with prospects' advanced technical needs and business goals * Address intricate challenges like complex Authentication flows and web application rendering to guarantee seamless and reliable demo experiences * Introduce and integrate AI\-driven solutions to enhance operational efficiency and innovation * Use customer insights and technical limitations to define actionable contributions for product feature advancements * Maintain, refine, and manage a growing shared demo asset library and technical resources to ensure consistent enablement across internal teams * Prepare detailed technical statements of work and comprehensive activity reports for customers, leadership, and product teams, providing insightful analysis of challenges and outcomes **Requirements** * 2\+ years of experience in a technical role focused on web development * Competency in core web technologies, including HTML, CSS, and JavaScript, alongside proficiency in identifying and resolving web\-related issues * Comprehensive understanding of browser and network behavior, detailed web request\-response cycles, authentication protocols like OAuth2 and JWT, storage strategies like localStorage and cookies, and frontend\-to\-backend interaction processes * Expertise in browser developer tools such as Chrome DevTools or similar platforms with skills for advanced debugging tasks * Showcase of designing and deploying AI\-based solutions aimed at operational optimization * Familiarity with effectively communicating complex technical ideas across diverse stakeholders' needs * Flexibility to use adaptive workflows and prioritize dynamically within agile work environments * Focus on ensuring operational improvements lead to scalable outcomes * Understanding of sales and marketing workflows to affirm alignment with company objectives and the product vision * Problem\-solving mindset and hands\-on ability to anticipate and resolve technical issues independently * Availability to overlap work hours until 1 PM ET for CEE\-based candidates, complemented by the capability to collaborate across time zones * B1\+ English language qualifications **Nice to have** * Showcase of proficiency in optimizing and diagnosing enterprise\-grade web application performance * Understanding of customer success strategies, with knowledge of sales enablement tools or CRM 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.*