Sebastian Camilo Valbuena Quintero's Work | ContraWork by Sebastian Camilo Valbuena Quintero
Sebastian Camilo Valbuena Quintero

Sebastian Camilo Valbuena Quintero

Executive assistant developer

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Cover image for A SaaS founder needed to
A SaaS founder needed to go from zero CRM to a fully operational lead generation system — fast. I built the entire HubSpot infrastructure from scratch: a 10-stage LinkedIn outreach pipeline, 12 custom contact properties, BANT-based lead scoring, and a complete follow-up task system with messaging guidance per lead tier. Every prospect was researched, qualified, and logged with intake notes, pain points, and a recommended next action. The result was a working B2B outreach operation that went from empty CRM to 5 active leads, 3 companies, 6 prioritized follow-up tasks, and a live sales pipeline — all built and populated in a single session.
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Cover image for Developed a three-table Airtable system
Developed a three-table Airtable system to track email management, executive requests, and weekly KPI snapshots. Email Management table captures response times, VIP flags, and escalation status. Executive Requests table tracks turnaround time, complexity, and satisfaction scores per request. Weekly Metrics table consolidates all KPIs weekly: tasks completed, hours saved, completion rate, follow-up compliance rate, and average response time — creating a measurable performance history over time.
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Cover image for Built a fully operational HubSpot
Built a fully operational HubSpot CRM from scratch for a B2B LinkedIn outreach strategy targeting Series A–C startup founders. Designed a 10-stage sales pipeline, created 12 custom contact properties, logged 5 qualified leads with full intake notes, deal records, and scored each prospect using a BANT framework. Set up prioritized follow-up tasks with messaging guidance per lead tier. The system went from zero to a working outreach operation in a single session.
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Cover image for Built a dual-table Airtable system
Built a dual-table Airtable system to track all follow-up commitments and meeting outcomes for executive clients. Follow-Ups table captures stakeholder, type, priority, due date, and completion status — ensuring zero dropped commitments.
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