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.We're looking for a Senior HCL Commerce expert to join our team. The ideal candidate will have strong skills in commerce platform development and modern web technologies, helping meet B2B business needs and ensuring smooth application delivery within an Agile framework.ResponsibilitiesBuild and design application components, covering WCS storefront and business logic, Java/Spring Boot services, and assigned Next.js / React storefront tasksHelp collect requirements and document/design HCL Commerce / WCS features and enhancementsAssist with integration testing, integration development, data conversion, and cut-over tasksArchitect and build multi-tier commerce applications for B2B needs, including punchout and other customer purchasing-system channelsDevelop and evaluate designs for reusability, performance, and best practices across Commerce, REST/SOAP services, and JavaManage the complete lifecycle of storefront pages, store data, business logic, WebSphere/HCL Commerce tool customization, and back-end system integrationBuild Java-based solutions for B2B public websites, and extend or consume Spring Boot APIs that wrap or replace Commerce functionalityWork on Next.js / React storefront features, including pages and data fetching, to maintain consistency between migrated and unmigrated journeysRun unit tests prior to QA handoff, and investigate defects to find root causes across WCS, Spring Boot, and Next.jsSpot major obstacles and core issues, using problem-solving skills to troubleshoot within a dual-run architectureRequirements5-10 years of overall IT experience5+ years working with HCL Commerce and/or IBM WebSphere Commerce (WCS) 8.x, covering store customization, business logic, tools, catalog/order/user flows, and back-end integration5+ years of Java development and OOD experience on large IT systems; J2EE on WebSphere Application Server strongly preferred3+ years working with Spring, Spring MVC, and hands-on Spring Boot, including REST APIs and service integration5+ years working with web services, including REST and SOAP5+ years using source control with Git required; SVN/CVS experience acceptable3+ years with JavaScript, HTML, and CSS; Next.js and React experience required; TypeScript preferredExperience delivering in Agile environments using Atlassian tools such as Jira, Bitbucket/Git, and ConfluenceStrong communication skills and demonstrated ability to work well in a teamNice to haveExperience with B2B commerce, punchout, and/or mobile commerce business modelsUnderstanding of headless or composable commerce patterns, including API-first storefronts consuming Commerce or BFF/microservices; MuleSoft or similar iPaaS experience is a plusFamiliarity with other JS frameworks like Angular or Vue as a secondary skillExposure to search tools (Solr), session/page caching (Redis or similar), and CMS-driven storefronts like Optimizely or equivalent paired with a commerce engineAbility to distinguish between Preview and Runtime Commerce stacks rather than treating them as identical environmentsWe offerOpportunity to work on technical challenges that may impact across geographiesVast opportunities for self-development: online university, knowledge sharing opportunities globally, learning opportunities through external certificationsOpportunity to share your ideas on international platformsSponsored Tech Talks & HackathonsUnlimited access to LinkedIn learning solutionsPossibility to relocate to any EPAM office for short and long-term projectsFocused individual developmentBenefit package:Health benefitsRetirement benefitsPaid time offFlexible benefitsForums to explore beyond work passion (CSR, photography, painting, sports, etc.)