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Explore detailed examples of how I've helped clients solve complex problems and achieve measurable results.
Full-Stack AI Solution with OpenAI & Twilio Integration
Businesses needed an AI-powered call center solution to handle customer inquiries with minimal human intervention, while maintaining natural conversation flow. The system needed to support multiple organizations with different knowledge bases and handle concurrent calls efficiently.
SaaS Platform for B2B Sales Teams with AI-Powered Conversation Intelligence
B2B sales managers and RevOps teams lacked a unified tool to transform conversation intelligence into actionable account and deal intelligence. Existing solutions were fragmented across CRMs, call recording tools, and spreadsheets, making it hard to track deal health and revenue signals.
Indexing 2M Companies from Government APIs with Custom Job Queue
Romania lacked a unified, searchable platform for company financial data. Information was scattered across three separate government sources (ANAF, ONRC, Firme Online), each with different APIs, formats, and rate limits. Building a reliable data pipeline to index nearly 2 million companies required handling 5M+ raw API responses without Redis or RabbitMQ infrastructure overhead.
Multi-Tenant Platform with Stripe Connect, PostGIS, and Voice Booking
Luxury transportation and chauffeur companies needed a modern, multi-tenant booking platform that could handle complex pricing rules (geographic zones, seasonal rates, time windows, affiliate commissions), per-tenant payment processing, and voice-based booking for high-end clients who prefer calling over using apps.
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Revenue intelligence platform for B2B sales. NestJS backend with 50+ services, 6 CRM integrations (HubSpot, Salesforce, Pipedrive, Zoho, ActiveCampaign, Dynamics 365), AI call analysis pipeline (AssemblyAI + OpenAI), deal risk scoring, and BullMQ job queues. Supabase PostgreSQL with RLS, Stripe credit-based billing. 20+ paying clients, 200+ active users.
Platform indexing 1,968,946 Romanian companies with financial data from 3 government sources (ANAF, ONRC, Firme Online). Custom job queue with lease-based work-stealing, cursor-based pagination across 2M rows, and async export pipeline processing 5M+ source payloads.
Co-founded an AI-powered call center solution with 1.2s response latency. Multi-tenant concurrent calls via Twilio, custom knowledge bases per client, Node.js, MongoDB, React/Next.js, OpenAI API. Infrastructure automation with Terraform/Ansible.