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AI-powered interview workspace for context-aware mock interviews, structured evaluation, and career training.
Educational full-stack simulation of event-driven payments, double-entry ledgering and settlement reconciliation using Java, Spring Boot, React and PostgreSQL.
Enterprise circular-commerce platform: Quarkus 3.15 modular monolith, double-entry escrow ledger, anti-hoarding checkout leases, transactional outbox, 50-point grading — deployed live
A trusted marketplace for verified Irish university students to buy and sell second-hand items
자격증 공부 어플리케이션
전남청년문화복지카드 가맹점 검색 서비스
Aplicación full-stack con backend en Spring Boot (JWT) y frontend en React/Vite para la gestión de héroes, equipos y poderes.
실무감각을 익히기위해 실무 환경을 가정하여 설계한 숙박 예약/결제/정산 시스템
Full-stack restaurant operations platform demonstrating secure authentication, transactional workflows, concurrency control, real-time kitchen updates, and tested Spring Boot/React architecture.
🎓 LMS multi-tenant para escolas: turmas, disciplinas, tarefas, correção e notas por organização. Quarkus + React, monolito modular com DDD/Hexagonal. TCC em produção.
Event-driven microservice platform for the Turkish market: multi-asset market-data ingestion (BIST, funds, FX, gold, bonds, crypto, VIOP) on resilient daily schedulers, hypothetical-lot portfolios with per-day currency-correct P&L, real-time Kafka + SSE alerts, Keycloak/LDAP auth and full OpenTelemetry observability.
Sistema multi-tenant de gestão de presenças e ausências: registo de horas, banco de horas, aprovação de férias, RBAC e notificações em tempo real. Spring Boot 4 + React/TypeScript.
Full-stack case-management workflow built with React, TypeScript, Spring Boot, and PostgreSQL.
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