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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 Integration
The client needed an AI-powered call center solution to handle customer inquiries with minimal human intervention, while maintaining high quality of service and natural conversation flow. The system needed to support multiple organizations with different knowledge bases and handle concurrent calls efficiently.
Boosting Speed and Conversion for an Online Store
The client's e-commerce platform was suffering from slow page loads (average 6.2s), poor mobile experience, and a high cart abandonment rate (78%). This was directly impacting their conversion rates and customer satisfaction.
Let's discuss how I can achieve similar outcomes for your project.
An overview of my technical skills and expertise developed through years of hands-on experience.
I have availability for new projects starting May 2025.
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.
A Full-Stack AI call center solution with 1.2 sec response latency, using OpenAI API, React.js, Next.js, and Node.js. Integrated Twilio for voice communication, Stripe for payments, and WebSocket for real-time updates. Features multi-tenant architecture supporting concurrent calls across multiple organizations, user management, and business-specific knowledge base integration.
Data platform indexing 2M Romanian companies from 3 government APIs (ANAF, ONRC, Firme Online). Custom PostgreSQL job queue with lease-based work-stealing, cursor-based pagination across 2M+ rows, async CSV/XLSX export pipeline. Monorepo with shared Zod contracts for end-to-end type safety.
Multi-tenant SaaS for luxury transportation. Stripe Connect per-tenant billing, PostGIS geo-pricing zones with Terra Draw polygon editor, voice booking via Deepgram + OpenAI intent extraction. 13+ embeddable booking widget templates, dynamic pricing engine, Google Calendar integration. Supabase with 40+ RLS policies.
A responsive portfolio website showcasing my skills, projects, and experience as a Full-Stack Developer. Built with Next.js, React, and TailwindCSS, featuring dark mode and multi-language support.
A website created for an Architectural Design Studio, showcasing their object design, commercial, and residential projects. The site features a bilingual interface (RO/EN) and a minimalist design that highlights the studio's work.
A digital agency website offering web design and social media management services. The site features a modern, dynamic design with interactive elements and detailed service descriptions.
A sports streaming platform offering 4K video on demand for various sporting events. The site includes features like event calendars, member zones, and detailed event information across multiple sports categories.
A comprehensive business agency website offering integrated solutions from web design to branding and business consultancy. The site showcases various services including marketing, financial management, and employer branding.
An interior design studio website showcasing various projects including office, residential, and commercial spaces. The site offers services such as 3D design, consultancy, and interior renovations.
A Python-based Tinder bot that learns user preferences and automates profile swiping based on those patterns.