Senior Business Analyst

N-iX is looking for a skilled Senior Business Analyst to join the team.  About the project: Our customer is a full quote-to-cash ERP/PSA used by field service companies (system integrators) that install and maintain physical equipment - AV systems, security cameras, fire alarms, HVAC. The platform covers: Sales: opportunities, quoting, ordering Projects: project management, resource scheduling Service: dispatch, ticketing, field technician management Finance: accounting, GL, invoicing, purchasing (the financial core is central to everything) Reporting: data sources, dashboards, report builder Mobile app: native iOS and Android for field technicians (dispatch, tasks, timesheets, scheduling, offline sync) All modules feed into a single financial core. The platform is sold as an all-or-nothing product today - no modular subscriptions. Responsibilities: Requirements elicitation - interviews, workshops, stakeholder sessions, effectively managing multiple approval layers and iterations. Critical analysis - identifying gaps, conflicts, and edge cases in stated needs Specification writing - user stories with clear acceptance criteria and DoD, specs written against the variability surface Create process diagrams using BPMN or other modeling tools when necessary. Scope management - tracing every change into WBS and estimate impact Facilitate workshops, meetings, and requirement clarification sessions. Proactively build trust, manage conflicts within cross-functional teams, handle unavailable or demanding stakeholders, and drive prioritization. Documentation - process flows, data models, living specifications Stakeholder communication - acting as the bridge between business and delivery Backlog prioritization - collaborating with the PO/PM Delivery support - resolving ambiguity for the team during development Acceptance validation - verifying delivered functionality against requirements, alongside QA Requirements: 5+ years of commercial experience as a System/Business Analyst, demonstrating a clear Senior-level proficiency Strong analytical, critical thinking, and systemic problem-solving skills. Proven track record in the development and deployment of WEB and Mobile products Proven track record of writing and structuring requirements from scratch, with the ability to navigate ambiguity when documentation is missing. Practical experience working in vendor-driven environments with complex stakeholder structures and iterative approval loops. Ability to lead and monitor tasks from the initial requirement phase through to final product launch. Hands-on experience with BPMN and UML notations to map business processes and identify bottlenecks Practical experience in REST API design and a solid understanding of microservices architecture Experience working closely with UI/UX designers, Backend/Frontend developers, QA, and DevOps engineers Experience working with non-functional requirements (scalability, security, performance) Excellent communication skills, including presentation and knowledge sharing experience  We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers