Closrr: The Ultimate High-Performance Sales Companion
A gamified, data-driven sales productivity engine designed to turn sales professionals into elite top performers through real-time analytics, AI coaching, and automated follow-ups.
Timeline
4 Months
Role
Lead Full-Stack Engineer
Status
CompletedTechnology Stack
Key Challenges
- Processing and analyzing massive amounts of daily call log data in real-time without blocking the main UI thread on mobile devices.
- Integrating complex voice-to-text algorithms for frictionless logging while driving or walking.
- Designing a gamification system that drove genuine productivity without feeling patronizing or distracting.
Key Learnings
- Mastered complex data aggregation in PostgreSQL to instantly calculate metrics like "Revenue Per Hour" across millions of rows.
- Deeply integrated AI sentiment analysis to objectively score sales rep confidence and tone during recorded calls.
- Built an entirely custom calendar sync engine that reliably pushed follow-ups across Google and Outlook ecosystems.
Closrr: Engineering Elite Sales Performance
Sales is a brutal numbers game driven entirely by consistency, momentum, and psychology. Traditional CRMs like Salesforce or HubSpot are fantastic for management to run reports, but they are incredibly painful and friction-heavy for the actual sales reps on the floor.
Closrr was engineered to solve this. It goes far beyond simple call logging. It is a highly aggressive, gamified productivity engine that sits in your pocket, constantly analyzing your data and pushing you to close the next deal.
The Core Data Engine
To provide actionable intelligence, Closrr tracks everything. The Smart Daily Dashboard instantly visualizes the metrics that actually matter: Calls made vs. target, Conversion Rate, Revenue Generated, and Revenue Per Call.
By analyzing historical data, the system reverse-engineers a rep's success. It can explicitly state: "Your best closing window is 4 PM – 6 PM. You need 34 more dials today to hit your $10k monthly income projection."
Gamification & Performance
Sales professionals are inherently competitive. I engineered a Performance Score system that ranks users from Beginner to Elite based on weekly consistency and conversion revenue. An optional Team Leaderboard pits reps against each other in real-time, driving massive increases in call volume.
Frictionless Logging & AI Integration
The number one reason CRMs fail is that reps hate doing data entry after a call. Closrr destroys this friction.
Voice-to-Log & Sentiment Coaching
I integrated advanced speech-to-text functionality. After hanging up, a rep simply says, "Interested. Follow up Friday." The app logs the outcome, schedules the calendar invite, and pushes the lead to the "Hot Leads" priority list automatically.
Furthermore, utilizing the OpenAI API, the AI Sales Coach analyzes the transcripts of recorded calls. It auto-generates summaries, predicts the probability of the deal closing, and provides sentiment analysis—flagging if the rep sounded unconfident when discussing pricing.
Advanced Pipeline Analytics
Tracking the wins is easy; tracking the losses is where true growth happens. I built an Objection Heatmap that visualizes exactly why deals are falling through. Are they dropping at the price objection? The time objection?
Armed with this data, reps can build their personal Script & Objection Library directly in the app, pulling up pre-written rebuttals during a live call perfectly timed to handle the exact friction point they are struggling with.
Burnout Detection
Sales is emotionally taxing. By analyzing call momentum and recovery rates after a string of rejections, the app's smart detection engine will proactively alert the user: "You're flagging—take a 10m break to reset."
Conclusion
Closrr is a masterclass in combining behavioral psychology with robust, scalable data engineering. It proves that software shouldn't just record what you did; it should actively make you better at what you do.