Fajar A.

I help businesses turn messy, inconsistent data into reliable reporting and better decisions. I'm a Senior Analytics & BI Consultant specializing in SQL, Metabase, BigQuery, n8n and business performance analytics. ⭐ $100K+ earned on Upwork | 100% Job Success | Top Rated Plus ⭐ I work with teams that need a clearer picture of revenue, marketing performance, and operations. I combine dashboard development with consistent metric definitions, data reconciliation, and reporting automation so stakeholders can trust the numbers they use. What I can help you with: • Metabase & Business Intelligence: Build or improve executive and operational dashboards, establish KPI frameworks, and improve dashboard usability and performance. • SQL & Data Quality: Develop reporting models, reconcile conflicting totals, validate business logic, and optimize slow queries. • Revenue & Sales Analytics: Track recurring revenue, subscription changes, churn, billing, and sales performance. • Marketing & Growth Analytics: Analyze funnels, CAC, ROAS, attribution, retention, and cohort behavior. • Reporting Automation: Connect databases, APIs, and business platforms, and automate reporting workflows using n8n, Zapier, and Python. Relevant project experience: My work includes commercial revenue reporting, proactive customer health dashboards, invoice reconciliation, and assessment benchmarking systems for international businesses. Core tools: Metabase, SQL, BigQuery, PostgreSQL, Snowflake, Supabase, Python, n8n, Zapier, Power BI, and Looker Studio. How I work: I start with the business question, validate the underlying data, and establish clear metric definitions. I work independently, provide regular written updates, and document important reporting logic so your team can maintain and extend the solution. Whether you need a new analytics system or help improving existing reporting, send me a brief description of your challenge and data sources. I'll help you clarify the scope and the most useful next steps.