PTT Public Company Business Analyst Interview Guide

Structure answers with Situation, Task, Action, Result. Describe the business problem (20%), your requirements gathering and analysis approach (35%), solutions designed with stakeholder collaboration (25%), and quantified business impact (20%). Show systems thinking.

• Requirements Elicitation: Interviews → Workshops → Observation → Document Review → Surveys
• Process Improvement: As-Is Analysis → Gap Identification → To-Be Design → ROI Calculation → Implementation
• Solution Design: Requirements → Use Cases → User Stories → Wireframes → Technical Specs
• Stakeholder Management: Identify → Analyze → Plan → Engage → Monitor
• MoSCoW Prioritization: Must Have → Should Have → Could Have → Won't Have

Phone Screen (30 min): BA experience, methodology knowledge, communication style Case Study Round (60 min): Requirements gathering, process analysis, solution design Technical Round (45 min): Documentation, data analysis, technical understanding Stakeholder Round (45 min): Conflict resolution, negotiation, change management Final Round (30-45 min): Culture fit, business acumen, career aspirations

• Not asking enough clarifying questions to understand the business problem
• Creating documentation without validating with stakeholders
• Focusing on tools over problem-solving and analysis skills
• Weak examples of handling conflicting requirements or difficult stakeholders
• Not demonstrating understanding of both business and technical perspectives

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• Hiring-manager-grade feedback. Revarta is built by a former Google, Amazon, and Adobe hiring manager who has run 1,000+ real interviews. Feedback is calibrated to what Business Analyst interviewers actually assess — not the agreeable "great answer!" defaults that ChatGPT and most AI tools give you.

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