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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. 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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. 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I am an Engineer, Specialist in Data Science (Johns Hopkins University), and hold a Master's degree in Business Intelligence (Universitat de Barcelona). 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Soluções completas: Atendemos desde pequenos projetos até demandas complexas que exigem grande volume de conteúdo ou desenvolvimento técnico avançado. Qualidade garantida: Prezamos pela entrega rápida, preços competitivos e, acima de tudo, resultados consistentes. Além disso, nossa abordagem é fundamentada em honestidade, clareza e comunicação sem jargões técnicos, facilitando o entendimento de cada etapa do processo. É esse compromisso com a transparência e excelência que nos tornou referência no Workana e no mercado de soluções digitais. Se você quer o melhor para o seu projeto online, faça sua cotação conosco. 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Nosso crescimento foi impulsionado pela dedicação à qualidade e pelo compromisso com resultados excepcionais, o que nos permitiu atender mais de 7 mil clientes, sendo mais de 3600 deles pelo Workana, onde somos reconhecidos como uma das maiores referências da plataforma. Nosso time Nossa equipe é formada por especialistas treinados e qualificados para oferecer soluções completas e personalizadas: Redação e Conteúdo: Um simples artigo passa por, no mínimo, 5 profissionais: gerentes de pauta, redatores, revisores, equipe anti-plágio e responsáveis pela postagem. Esse cuidado garante que cada centavo do seu investimento seja bem aplicado. Programação e Desenvolvimento de Software: Contamos com programadores especializados em HTML, CSS, JavaScript, MySQL, PHP, entre outras tecnologias. Nossa expertise inclui bibliotecas, frameworks e CMSs como o WordPress, garantindo soluções robustas e escaláveis. 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Atuo fortemente na integração de IA aplicada ao negócio, desde chatbots inteligentes e agentes autônomos até sistemas de detecção visual em tempo real, além de sólida experiência em segurança de infraestrutura, protegendo aplicações contra o volume crescente de bots e scanners automatizados que exploram vulnerabilidades na internet 24/7. ? Inteligência Artificial, LLMs & LangChain Desenvolvimento de Agentes Inteligentes e Chatbots Context-Aware com memória usando LangChain. Implementação de RAG (Retrieval-Augmented Generation) com dados proprietários e vetorização eficiente. Engenharia de Prompt avançada e orquestração de modelos (OpenAI, Anthropic). Integração de LLMs com pipelines backend, automações e sistemas de atendimento omnichannel. ?️ Visão Computacional & Deep Learning (YOLO11) Desenvolvimento e treinamento de modelos de detecção de objetos com YOLO11 (Ultralytics). Criação de datasets personalizados, rotulagem, data augmentation e validação. Otimização de treinamento (batch, imgsz, cache, AMP, GPU) para ganho de performance e precisão. Deploy de modelos para inferência em tempo real, integração com APIs e sistemas produtivos. Aplicações práticas em monitoramento, análise visual, automação e inteligência operacional. ⚙️ Backend & Arquitetura Escalável APIs de alta performance com Python (FastAPI) e C# (.NET). Processamento assíncrono e filas de tarefas com Celery + Redis. Modelagem de dados eficiente com Prisma ORM e PostgreSQL. Segurança robusta: OAuth2 (Google Auth), JWT/RBAC, hardening de APIs e proteção contra abuso. ? Mobile & Front-end Desenvolvimento de apps nativos e performáticos com React Native (Expo) e TypeScript. Integração de módulos nativos, onboarding inteligente e fluxos de ativação orientados a conversão. Implementação completa de Push Notifications (Expo Push, FCM), incluindo deep links e automação de eventos. ? Pagamentos & Monetização Integração completa com Stripe (SaaS, assinaturas, webhooks). Integração com Mercado Pago. Gestão de checkout, planos recorrentes e tratamento seguro de transações financeiras. ☁️ DevOps, Infraestrutura & Segurança Especialista em Docker, orquestração e pipelines de deploy em nuvem (AWS / GCP). Segurança de Containers: hardening de imagens, redução de superfície de ataque e auditoria de runtime. Nginx Hardening: proteção contra exploits comuns, bots maliciosos, rate limiting e WAF. Defesa ativa contra scanners automatizados e ataques de força bruta. 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A solução integra Large Language Models (LLMs), via API Google Generative AI e framework Langchain, com técnicas avançadas de processamento de imagem (progressão de idade facial), utilizando uma interface gráfica intuitiva (PySide6) para orquestrar o processo. A ferramenta processa templates PDF e diversas fontes de dados (texto, CSV, XLSX, imagens) para gerar relatórios PDF finais, estilizados e multilíngues. Implementações Técnicas e Funcionalidades Chave: Geração de Conteúdo por IA: Utilização de LLMs (Google Gemini via Langchain) para síntese dinâmica de texto, adaptando o conteúdo com base em templates PDF, dados de entrada heterogêneos e configurações de estrutura definidas pelo usuário (títulos, seções, contextos específicos). Processamento de Imagem Avançado: Integração de modelos de visão computacional (baseados em PyTorch e Dlib) para análise e manipulação de imagens, especificamente para gerar projeções de progressão de idade facial. Os resultados visuais são incorporados diretamente no relatório PDF final. Interface Gráfica (GUI) e UX: Construção de uma interface desktop responsiva com PySide6 (Qt for Python), focada na usabilidade para carregamento de arquivos (templates, dados, imagens), configuração de parâmetros de geração (idioma, modelo, estrutura), visualização de prévias em HTML e monitoramento do progresso. Arquitetura Multilíngue: Sistema configurável para geração de relatórios em diversos idiomas, ajustando prompts e potencialmente o pós-processamento. Pipeline de Processamento de Dados: Implementação de rotinas para extração e normalização de dados de múltiplas fontes: Extração de texto de PDFs utilizando PyMuPDF, com fallback para OCR (EasyOCR) em documentos baseados em imagem. Parsing e conversão de dados tabulares de arquivos CSV e Excel (XLSX) usando Pandas. Processamento de entrada de texto livre e identificação de metadados de arquivos de imagem. Geração e Estilização de Documentos PDF: Conversão de conteúdo intermediário (Markdown) para PDF via WeasyPrint, aplicando estilos CSS customizáveis (cores, fontes, layout) e permitindo a incorporação de logos da empresa. Retrieval-Augmented Generation (RAG): Implementação de um sistema RAG opcional utilizando ChromaDB como vector store e Google Generative AI Embeddings. Permite consultar uma base de conhecimento interna para enriquecer o conteúdo gerado pela IA com informações contextuais relevantes, aumentando a precisão e a especificidade do relatório. Gerenciamento de Processamento Assíncrono: Utilização de QThreadPool e workers QRunnable para executar tarefas computacionalmente intensivas (chamadas à API do LLM, processamento de imagem, I/O de arquivos) em threads separadas, garantindo a fluidez e responsividade contínua da interface principal. Interação com API e Gerenciamento de Recursos: Implementação de estratégias de retry com backoff exponencial para lidar com erros transitórios da API (e.g., ResourceExhausted, ServiceUnavailable). Contagem de tokens de entrada (Tiktoken) e mecanismos de truncamento para operar dentro dos limites da API do LLM. Validação de Saída: Implementação de validadores (regex, lógica estrutural) para verificar a qualidade da saída do LLM, detectando problemas como placeholders não substituídos ou tabelas Markdown malformadas, e acionando retentativas de geração se necessário. 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