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 are seeking a Lead Business Analyst – Payments with Treasury to define and document business and functional requirements for an AWS cloud-native cash management platform. In this role, you will collaborate with business stakeholders, operations, product owners, architects, developers, and testers to define cash-management workflows, business rules, data requirements, integrations, exceptions, and acceptance criteria.ResponsibilitiesGather and analyze business requirements for the cash management platformDocument current-state and target-state business processesDefine requirements for cash movement, matching and allocation, reconciliation, accounting, rules processing, reporting, and auditTranslate business needs into functional requirements, user stories, process flows, business rules, and acceptance criteriaDefine transaction states, processing sequences, decision points, exceptions, and manual interventionsClarify business rules for matching, allocation, adjustment, reversal, cancellation, rejection, and reprocessingDefine requirements for REST APIs, Kafka events, messages, managed files, and external-system integrationsDocument source-to-target data mappings and transformation rulesDefine required business identifiers, reference data, statuses, timestamps, and audit informationWork with stakeholders to identify authoritative data sources and system ownershipDefine reconciliation rules, tolerances, exception categories, and resolution workflowsFacilitate requirement workshops, manage requirement changes, and support user acceptance testing, release readiness, and defect analysisRequirements10-14 years of overall experience in IT7+ years of experience as a Business Analyst on complex software or enterprise-platform programsExperience defining requirements for financial, transactional, or integration-heavy systemsSkills in writing functional requirements, user stories, business rules, and acceptance criteriaExpertise in creating process flows, data mappings, state models, and integration requirementsCapability to analyze asynchronous and multi-system business processesUnderstanding of REST APIs, events, messages, databases, and file-based integrationsExperience supporting Agile software-development teamsCapability to work directly with business stakeholders, architects, developers, testers, and operations teamsStrong analytical, facilitation, documentation, and communication skillsCapability to identify gaps, contradictions, and ambiguities in business requirementsNice to haveBackground in cash management, treasury, payments, reconciliation, accounting, billing, or banking platformsUnderstanding of transaction lifecycle, settlement, allocation, posting, adjustment, and exception-management processesExperience defining financial reconciliation rules and operational controlsFamiliarity with Kafka, event-driven systems, JSON, XML, CSV, API specifications, and event schemasSkills in SQL for data analysis and requirement validationExperience with data lineage, audit trails, and regulatory or control requirements in regulated financial-services environmentsFamiliarity with Jira, Confluence, process modeling and API documentation toolsWe 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.)