// LJUBLJANA, SLOVENIA
Gregor Kračan
Backend Engineer
Name: "Gregor Kračan",
Role: "Backend Engineer",
Stack: []string{"Go", "Python", "TypeScript"},
Focus: "APIs & scalable systems",
}
#Projects // all self-hosted on a Hetzner VPS · dockerized · nginx reverse proxy · CI/CD
Pulse API Client
A performance-focused, desktop-native API client built to unify classic HTTP testing, gRPC, and real-time streaming protocols (WebSockets, Kafka, SSE) in a single, fast tool.
BETA VERSION
Crypto Arbitrage Opportunity Finder
Real-time arbitrage detection across 15+ crypto exchanges via WebSocket, processing 10k+ market updates/sec with sub-10ms latency. REST API and WebSocket streaming endpoints.
EXPERIMENTAL
Riff
High-performance event streaming broker built from scratch in Go. Features segmented append-only commit logs, 8-byte sparse index binary search, custom 0x52 binary wire protocol, consumer groups with generational fencing, and live SSE telemetry.
LIVE ON AKS
Sportsboxd
Letterboxd for live sports. Log, rate, and review sporting events you've attended or watched, build a personal sports diary, and follow what others are watching.
MVP
Tickr
Real-time stock and crypto dashboard with WebSocket-based price feeds, live news updates, Redis caching, and a terminal-style UI for tracking multiple markets simultaneously.
Sports Analysis AI Agent
AI agent for real-time sports match analysis and betting opportunity detection, backed by a custom MCP server written in Go and LangChain orchestration.
Sports Betting EV and Arbitrage Finder
Algorithmic system that analyzes real-time odds across 15 bookmakers to detect +EV opportunities and arbitrage scenarios using statistical analysis.