AI engineering portfolio
Selected AI Projects
Real systems I've designed and built using modern AI, automation and software engineering technologies.
OpenAIAI AgentsVoice AIn8nPlaywrightNode.jsTypeScriptAPIsWebhooksDockerPostgreSQL
production systems
System snapshots
8project types
24/7automation ready
Case-study style project work.
Each project focuses on practical architecture, real workflows and production-minded engineering decisions.
Incoming phone call
WebSocket audio stream
OpenAI Realtime session
AI voice response
Booking tools + database
Dashboard + call summary
"Dobar dan, izvolite."
Featured project
AI Voice Receptionist
A production-oriented phone receptionist platform that answers calls, streams audio, speaks with callers, checks availability, books appointments and stores call summaries.
Business problemSmall teams miss calls, lose appointment requests and repeat the same information during busy hours.
SolutionA realtime AI receptionist connected to telephony, database-backed booking tools and an admin/client dashboard.
ArchitectureNode.js services, WebSockets, OpenAI Realtime, Infobip Calls API, PostgreSQL, Prisma, PM2 and Nginx.
System flowCall received, AI answers, availability is checked, appointment is saved, summary appears in dashboard.
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- Built separate call and websocket services for stability and simpler debugging.
- Implemented database-backed services, availability, blocked times, bookings and call logs.
- Added dashboard workflows for clients, admins, review inboxes, usage tracking and SMS reminders.
- Future integrations include Google Calendar, Outlook, CRM sync, knowledge base search and advanced analytics.
Google Maps
Business Discovery
Instagram Analysis
OpenAI Analysis
Lead Scoring
Google Sheets
Lead quality
87%
AI workflow
AI Lead Generation System
Automated research system for discovering local businesses, analyzing online presence, scoring opportunities and preparing personalized outreach.
Finds relevant businesses by city, category and online presence.
Filters duplicates and weak matches before they reach the spreadsheet.
Generates a lead score, content opportunity and ready-to-review outreach.
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Designed to remove repetitive prospecting work: collect candidates, filter poor matches, score lead quality and prepare outreach that can still be reviewed before sending.
Automation platform
Browser Automation Platform
Playwright-based automation system for persistent sessions, scraping, monitoring, login automation, notifications and scheduled jobs.
Keeps authenticated sessions alive for long-running browser tasks.Runs scheduled checks and collects structured data from web apps.Includes logging and failure visibility for easier maintenance.
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Built around reliable browser sessions, repeatable jobs, error handling and clear operational logs so automations can run without constant manual supervision.
Email
AI Classification
CRM
Slack
Invoice
Archive
Business operations
AI Business Automation
Custom workflows for classifying requests, routing information, updating systems and reducing repetitive back-office work.
Turns unstructured emails and forms into clean internal tasks.Routes requests to the right system, team or review queue.Leaves a traceable audit trail for important automation steps.
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Focuses on connecting existing tools instead of forcing a new process: email intake, AI routing, structured data extraction and human review where needed.
Website question
Knowledge search
AI answer
Lead capture
Appointment request
Support assistant
AI Customer Support Assistant
Website assistant with knowledge base search, multilingual support, lead capture and appointment request handling.
Answers common questions from approved business documents.Collects contact details and forwards qualified inquiries.Escalates uncertain or sensitive questions instead of guessing.
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Designed for businesses that need faster first responses without replacing human staff for complex or sensitive requests.
Voice or chat request
Availability check
Calendar booking
Confirmation
Reminder
Cancellation support
Booking automation
AI Appointment Booking Assistant
Voice and chat assistant for booking, confirming, reminding and handling appointment changes.
Checks working hours, blocked times and service durations before booking.Supports confirmations, reminders, cancellations and rescheduling.Keeps staff in control through a dashboard and review workflows.
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Built around availability rules, service durations, blocked times and safe booking logic to prevent overlapping appointments.
Company documents
Semantic search
Document Q&A
SOP lookup
Employee assistant
Internal knowledge
AI Internal Knowledge Assistant
Internal assistant trained on company documents for semantic search, SOP lookup and employee Q&A.
Searches policies, SOPs, PDFs and internal notes semantically.Gives employees faster answers without digging through folders.Can be connected to review permissions and source citations.
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Useful for teams with repeated internal questions, scattered documentation and onboarding friction.
Custom AI integrations.
Connecting AI to the tools businesses already use.
AI
System
OpenAIStripeHubSpotGoogleSlackNotionAirtableWhatsAppPostgreSQLInfobipTwilioDocker
System
Technology wall.
Modern AI engineering stack grouped by the kind of systems I build.
OpenAIRealtime, assistants, classification and generation.
AI AgentsTool use, workflow steps and decision logic.
Voice AISpeech workflows for calls and intake.
n8nAutomation orchestration and integrations.
PlaywrightBrowser automation and monitoring.
Node.jsAPIs, workers and backend services.
TypeScriptSafer modern application development.
Next.jsDashboards and polished web apps.
PostgreSQLReliable structured data storage.
PrismaDatabase modeling and access layer.
DockerPortable deployments and services.
WebhooksEvent-driven automation between systems.
REST APIsTool and platform integrations.
Linux VPSProduction deployment and operations.
Development process.
A focused path from messy business problem to working production system.
Why work with me.
Engineering that cares about business outcomes, reliability and the tiny details users actually feel.
Let's build something great.
If you need an AI system, automation, dashboard or integration that has to work in the real world, I can help design and build it.