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Comunicaciones Seguras: Instalación y optimización de servidores de correo profesional y mensajería instantánea empresarial con Ejabberd (XMPP).

Seguridad y VPN: Despliegue de VPNs corporativas para trabajo remoto seguro, gestión de Firewalls y protección contra intrusos con Fail2ban.

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Sou um freelancer apaixonado da Ucrânia com vasta experiência como Desenvolvedor Full Stack Sênior, Engenheiro de Software de IA e Desenvolvedor Mobile. Gosto de transformar ideias em produtos digitais escaláveis, de alto desempenho e fáceis de usar. Minha expertise abrange desenvolvimento web, aplicativos mobile, inteligência artificial, sistemas backend, soluções em nuvem e arquitetura de software de ciclo completo. Meu foco é construir sistemas confiáveis e eficientes, do conceito à implantação, sempre com atenção aos detalhes e ao desempenho. Valorizo código limpo, aprendizado contínuo e a resolução de desafios complexos de engenharia. Com fortes habilidades de comunicação e um compromisso com a entrega de qualidade, busco construir parcerias de longo prazo com clientes em todo o mundo. Estou sempre aberto a projetos inovadores onde a tecnologia possa ser usada para gerar impacto real e soluções significativas. ================================ Spanish profile ================================ Me gradué de la Universidad Nacional Taras Shevchenko de Kiev, una de las universidades más prestigiosas de Ucrania, donde obtuve una maestría en Ciencias de la Computación y adquirí una sólida base en ingeniería de software avanzada y tecnologías modernas. Soy un apasionado profesional independiente de Ucrania con amplia experiencia como Desarrollador Full Stack Senior, Ingeniero de Software de IA y Desarrollador Móvil. Disfruto transformando ideas en productos digitales escalables, de alto rendimiento y fáciles de usar. Mi experiencia abarca desarrollo web, aplicaciones móviles, inteligencia artificial, sistemas backend, soluciones en la nube y arquitectura de software de ciclo completo. Me enfoco en construir sistemas confiables y eficientes desde el concepto hasta la implementación, siempre con atención al detalle y al rendimiento. Valoro el código limpio, el aprendizaje continuo y la resolución de desafíos de ingeniería complejos. Con sólidas habilidades de comunicación y un compromiso con la calidad, busco establecer colaboraciones a largo plazo con clientes de todo el mundo. Siempre estoy abierto a proyectos innovadores donde la tecnología pueda utilizarse para generar un impacto real y soluciones significativas. ================================ English profile ================================ Graduated from Taras Shevchenko National University of Kyiv, one of Ukraine’s most prestigious universities, where I earned a Master’s degree in Computer Science and built a strong foundation in advanced software engineering and modern technologies. 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Alguns resultados: clínica de fisioterapia com PageSpeed de 45 para 98; joalheria com loja virtual e checkout em 3 etapas; site corporativo cinematográfico com motion design; escritórios de advocacia, construtoras, contabilidades e páginas de venda de cursos. Como trabalho: combino escopo, prazo e valor antes de começar, mando atualização sem você precisar cobrar e falo com clareza mesmo quando a notícia não é boa. Por isso tantos clientes voltam para um segundo projeto. Se você quer um site bonito e que traga resultado, me chama. 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