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Jackster042/README.md

Nemanja | Software Engineer

I build production-grade AI applications. Currently focused on real-time voice systems and emotion analysis.

Featured Projects

Mentora — Voice-first AI learning platform
Real-time voice synthesis with Vapi.ai + ElevenLabs. Multi-tenant auth with Clerk + Supabase RLS.
Stack: Next.js 15, TypeScript, PostgreSQL

Certum AI — Emotion-aware interview assistant
Real-time emotion analysis (Hume AI) + Gemini 2.5 Flash feedback. Feature-based architecture with Server Actions.
Stack: Next.js, Drizzle ORM, Neon

Live Score API — Distributed systems showcase Horizontally-scalable WebSocket API with Redis Pub/Sub, PostgreSQL transactions, and BullMQ.

Elora — E-commerce learning project (2023)
First full-stack exploration. MERN stack with PayPal integration.
Note: Early work; learned importance of transactions/idempotency applied in later projects.

Currently Exploring

  • Distributed systems (Redis, WebSocket scaling)
  • Edge computing patterns

Lab

Experimental concepts & learning projects → github.com/Jackster042/lab

Contact

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  1. certum-ai certum-ai Public

    An AI‑powered voice interview platform that simulates real job interviews using Hume AI’s empathic technology and delivers performance feedback via Google Gemini.

    TypeScript

  2. live-score-api live-score-api Public

    Horizontally-scalable real-time sports API with Redis Pub/Sub, PostgreSQL transactions, and BullMQ background jobs. TypeScript + Node.js.

    TypeScript

  3. mentora mentora Public

    Mentora is a voice‑interactive, AI‑powered learning platform that helps learners engage in natural, real‑time conversations with customizable AI tutors.

    TypeScript

  4. elora elora Public

    Elora is a sleek, minimalist e‑commerce platform designed for a refined shopping experience. Built for fashion enthusiasts, it focuses on simplicity, speed, and usability enabling a frictionless pa…

    TypeScript

  5. lab lab Public

    🧪 The Laboratory: Architectural drafts, engineering pivots, and the roadmap for upcoming production-grade systems.