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Habilidade na construção de frontends responsivos com React/Next.js/Tailwind e backends escaláveis com Node.js, Python e bancos de dados modernos. Habilidade em implantar com Docker, AWS e Vercel, além de colaborar com startups e equipes para entregar soluções de alta qualidade e focadas no usuário. Desarrollador Full-Stack freelance con experiencia en la entrega de más de 30 proyectos en comercio electrónico, SaaS, educación y logística. Experto en la creación de frontends adaptables con React/Next.js/Tailwind y backends escalables con Node.js, Python y bases de datos modernas. Experto en la implementación con Docker, AWS y Vercel, colaborando con startups y equipos para ofrecer soluciones de alta calidad centradas en el usuario. Freelance Full-Stack Developer with experience delivering 30+ projects across e-commerce, SaaS, education, and logistics. Skilled in building responsive frontends with React/Next.js/Tailwind and scalable backends with Node.js, Python, and modern databases. Adept at deploying with Docker, AWS, and Vercel, while collaborating with startups and teams to deliver high-quality, user-focused solutions.","rating":5,"ranking":50,"position":{"position":"hero","next":null,"name":"Hero","description":"Hero es el máximo nivel de los freelancers de Workana. Nos enorgulleces. Tu experiencia, responsabilidad y profesionalismo hacen que te destaques, por eso tienes los mejores beneficios. ¡Sigue brillando! Leer más","explain":"El freelancer HERO ha llegado al nivel máximo en Workana. Si necesitas a un experto, no busques más. Un freelancer Hero ha demostrado que su talento, servicio y compromiso son excelentes. Trabajar con ellos es un placer. 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Atuo como consultor Linux e soluções Open Source, implantando e estudando novas soluções no dia dia de acordo com o desenvolvimento e necessidade de cada cliente. Atuando na área de redes, segurança e consultoria de soluções open-source, possuo as certificações LPIC (Linux Professional Institute) LPIC1, LPIC2 , LPIC3 (Core) e LPI3 (303 - Security). Minhas especialidades são o gerenciamento de servidores, cloud computing e administração de sistemas. Mi apresentación en español: Desde 2001 trabajo con redes y servidores Linux. Trabajo como consultor de Linux y soluciones de código abierto, implementando y estudiando nuevas soluciones diariamente de acuerdo con el desarrollo y las necesidades de cada cliente. Actuando en el área de redes, seguridad y consultoría de soluciones de código abierto, tengo las certificaciones LPIC1 (LPIC2, LPIC2, LPIC3 (Core) y LPI3 (303 - Seguridad) de LPIC (Linux Professional Institute). Mis especialidades son la administración de servidores, la computación en la nube y la administración de sistemas. My presentation in English: Since 2001 I work with networks and Linux servers. I work as a Linux consultant and Open Source solutions, implementing and studying new solutions on a daily basis according to the development and needs of each client. Acting in the area of networks, security and open-source solutions consulting, I have the LPIC (Linux Professional Institute) LPIC1, LPIC2, LPIC3 (Core) and LPI3 (303 - Security) certifications. My specialties are server management, cloud computing and systems administration.","logos":{"normal":{"url":"http://workana.s3.amazonaws.com/logos/a6/de912080ec11e687f0f9eb7d88c246/_ndice.png","width":95,"height":120},"thumb":{"url":"http://workana.s3.amazonaws.com/logos/a6/c95b7080ec11e6a0004169f7ca7e6a/_ndice.png","width":18,"height":23},":original":{"url":"http://workana.s3.amazonaws.com/logos/91/6e221080ec11e6975913b80cc1633c/_ndice.jpg","width":378,"height":480}},"country":"BR","lastActive":"2025-12-19 12:50:35","created":"2016-09-22 14:11:33","open":0,"active":0,"completed":"0","rating":"0.00","paid":0,"verifiedPaymentMethod":false,"worker":{"id":362797,"slug":"leandro-souza-36","canInvite":false,"skills":{"207":{"id":207},"302":{"id":302},"76":{"id":76},"80":{"id":80},"234":{"id":234},"237":{"id":237},"723":{"id":723},"180":{"id":180},"118":{"id":118},"280":{"id":280},"238":{"id":238},"213":{"id":213},"230":{"id":230},"813":{"id":813},"103":{"id":103},"243":{"id":243},"303":{"id":303},"304":{"id":304},"350":{"id":350},"752":{"id":752},"771":{"id":771},"823":{"id":823},"301":{"id":301},"67":{"id":67}},"history":"Minha experiência em português: Possuo experiência em administração de redes e servidores Linux, com experiência em ambientes com alto volume de dados e criticidade. Sou especialista também em Cloud Computing e Virtualização contando com certificações e treinamento Microsoft Azure além de experiência com servidores virtuais no ambiente Amazon AWS. Atuando para manter sistemas sempre disponíveis e livres de falhas que possam comprometer seu funcionamento contínuo e ininterrupto, executo tarefas realacionadas a Segurança da Informação além de testes de Vulnerabilidades e Intrusão, com o intúito de manter os sistemas que administro sempre operacionais e atualizados. Sou certificado nível 3 LPIC, uma das mais consideradas certificações do mercado se tratando de Linux e me consolidando como especialista no sistema operacional. Busco sempre o aprimoramento profissional e boa relação com clientes e parceiros. Mantenho meu portfólio em meu site de divulgação de serviços, onde são exibidos alguns meus produtos e serviços, este com foco em mensagens eletrônicas. Possuo também grande experiência em ferramentas Open-Source que não dependem de licenças e podem também auxiliar na produtividade de seus utilizadores. Mi experiencia en español Tengo experiencia en administración de redes y servidores Linux, con experiencia en entornos con alto volumen de datos y criticidad. También soy un experto en Cloud Computing y Virtualización con certificaciones y capacitación de Microsoft Azure, además de experiencia con servidores virtuales en el entorno de Amazon AWS. Actuando para mantener los sistemas siempre disponibles y libres de fallas que puedan comprometer su operación continua e ininterrumpida, realizo tareas relacionadas con la seguridad de la información además de las pruebas de vulnerabilidad e intrusión, con el objetivo de mantener los sistemas que administro siempre operativos y actualizados. Tengo la certificación LPIC de nivel 3, una de las certificaciones más consideradas en el mercado en lo que respecta a Linux y me está consolidando como especialista en el sistema operativo. Siempre busco una mejora profesional y una buena relación con clientes y socios. Mantengo mi cartera en el sitio web de divulgación de mi servicio, donde se muestran algunos de mis productos y servicios, este enfocado en mensajes electrónicos. También tengo una gran experiencia en herramientas de código abierto que no dependen de las licencias y que también pueden ayudar en la productividad de sus usuarios. My experience in english: I have experience in network administration and Linux servers, with experience in environments with high volume of data and criticality. I am also an expert in Cloud Computing and Virtualization with Microsoft Azure certifications and training in addition to experience with virtual servers in the Amazon AWS environment. Acting to keep systems always available and free of failures that could compromise their continuous and uninterrupted operation, I perform tasks related to Information Security in addition to Vulnerability and Intrusion tests, with the aim of keeping the systems I manage always operational and up to date. I am certified level 3 LPIC, one of the most considered certifications in the market when it comes to Linux and consolidating me as a specialist in the operating system. I always seek professional improvement and a good relationship with customers and partners. I keep my portfolio on my service disclosure website, where some of my products and services are displayed, this one focusing on electronic messages. 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