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Voz o texto — la IA te entrevista en tiempo real. Puntuación instantánea, feedback detallado, 10 idiomas.
83+ desarrolladores aprendiendo en LevelJo
83+
Desarrolladores
16+
Courses
4395
Max XP
10
Languages
SIN REGISTRO
Explora nuestras herramientas sin crear cuenta. Descubre lo que LevelJo puede hacer por ti.
HOW IT WORKS
Write real code with interactive courses powered by the Monaco editor. Progress step by step with instant feedback.
Every completed step earns XP. Climb the global leaderboard and prove your skills with real data.
WHY LEVELJO?
Write real code in the same editor as VS Code. Syntax highlighting, autocomplete and instant error checking.
Practica entrevistas realistas con IA en 50+ profesiones. Chat de voz, desafíos de código y puntuación detallada — todo en un solo lugar.
50+
Temas de Entrevista
10
Idiomas
FEATURED COURSES
Aprende estrategias efectivas de redes sociales para tu negocio. Desde el análisis de audiencia hasta la planificación de contenido, publicidad paga y medición de resultados.
Learn to design scalable systems. Master load balancing, caching, database sharding, microservices, and real-world case studies.
From data preprocessing to deep learning. Learn scikit-learn, TensorFlow, model evaluation, and real-world ML projects.
Build cross-platform mobile apps with React Native. Learn navigation, native APIs, state management, and app store deployment.
Build complete web applications from frontend to backend. Learn Node.js, Express, databases, authentication, and deployment.
Master Python from basics to advanced topics. Learn data structures, OOP, file handling, and popular libraries.
Deep dive into JavaScript: closures, prototypes, async/await, generators, proxies, and modern ES2024+ features.
Learn TypeScript from type basics to advanced generics, utility types, and real-world patterns used in production codebases.
Master SQL from SELECT to advanced joins, indexing, transactions, and database design patterns.
Master Git from init to advanced workflows. Learn branching, merging, rebasing, and team collaboration with GitHub.
Build scalable backend services with Node.js. Learn Express, REST APIs, authentication, databases, and deployment.
Master Next.js App Router, Server Components, API routes, authentication, and deployment on Vercel.
Learn Docker from scratch. Build, ship, and run containers. Master Docker Compose, networking, and production workflows.
Learn cybersecurity essentials: OWASP Top 10, encryption, network security, authentication, and ethical hacking basics.
Learn data analysis using Python and Pandas. A practical journey through data cleaning, visualization, and basic statistics.
Learn the most popular frontend library from scratch. Master component architecture, props, state, hooks, and event handling step by step.
Aprende estrategias efectivas de redes sociales para tu negocio. Desde el análisis de audiencia hasta la planificación de contenido, publicidad paga y medición de resultados.
Learn to design scalable systems. Master load balancing, caching, database sharding, microservices, and real-world case studies.
From data preprocessing to deep learning. Learn scikit-learn, TensorFlow, model evaluation, and real-world ML projects.
Build cross-platform mobile apps with React Native. Learn navigation, native APIs, state management, and app store deployment.
Build complete web applications from frontend to backend. Learn Node.js, Express, databases, authentication, and deployment.
Master Python from basics to advanced topics. Learn data structures, OOP, file handling, and popular libraries.
Deep dive into JavaScript: closures, prototypes, async/await, generators, proxies, and modern ES2024+ features.
Learn TypeScript from type basics to advanced generics, utility types, and real-world patterns used in production codebases.
Master SQL from SELECT to advanced joins, indexing, transactions, and database design patterns.
Master Git from init to advanced workflows. Learn branching, merging, rebasing, and team collaboration with GitHub.
Build scalable backend services with Node.js. Learn Express, REST APIs, authentication, databases, and deployment.
Master Next.js App Router, Server Components, API routes, authentication, and deployment on Vercel.
Learn Docker from scratch. Build, ship, and run containers. Master Docker Compose, networking, and production workflows.
Learn cybersecurity essentials: OWASP Top 10, encryption, network security, authentication, and ethical hacking basics.
Learn data analysis using Python and Pandas. A practical journey through data cleaning, visualization, and basic statistics.
Learn the most popular frontend library from scratch. Master component architecture, props, state, hooks, and event handling step by step.
Precios
Empieza gratis, mejora cuando estés listo.
Perfecto para empezar
Crea una cuenta gratuita, completa cursos y demuestra tus habilidades de programación.
No se requiere tarjeta de crédito. Tu primer curso es completamente gratis.
Crea tu cuenta gratuita y empieza a aprender
EmpezarSigue tu progreso en la clasificación y demuestra tu experiencia con insignias de XP.
Genera un CV profesional y compatible con ATS desde tu perfil. Muestra cursos, puntuaciones y habilidades verificadas.
Carlos García
Full Stack Developer
Real-time global ranking. Compete with other candidates and get on companies' radar.
4
Niveles de Dificultad
Software & Tech
Negocios
Diseño
Ingeniería
Educación
Creativo & Medios
Elige entre 50+ temas en 6 industrias
Voz o texto — nuestra IA se adapta a tus respuestas en tiempo real
Feedback detallado sobre conocimiento, comunicación y resolución de problemas
Alex
Senior Interviewer
Alex
Tú
Puntuación General
Sin tarjeta de crédito — 3 sesiones gratis al mes
Tus primeros 7 días corren por nuestra cuenta
Explora todos los cursos Pro, ejecuta código y aprende con tu mentor IA — sin compromiso.
Acceso completo a todo.