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sou um arquiteto de tecnologia baseado em Singapura que conecta o Oriente e o Ocidente, entregando soluções de nível empresarial com a agilidade de uma startup. ★ O QUE ME DIFERENCIA ★ - Desenvolvimento com foco em IA: Programação ao vivo com Claude, Cursor, GitHub Copilot e V0 - transformando conceitos em soluções prontas para produção enquanto você assiste - Especialista em FinTech: Profundo conhecimento em sistemas de pagamento compatíveis com a MAS, bancos digitais e soluções blockchain para o Sudeste Asiático - Experiência em GovTech: Histórico comprovado com projetos de transformação digital do governo de Singapura (SingPass, integração da API MyInfo) - Soluções multilíngues: Desenvolvimento de aplicativos que oferecem suporte perfeito a inglês, mandarim, malaio e tâmil - refletindo a diversidade de Singapura - Compromisso com MVP em 48 horas: Do quadro branco ao protótipo funcional em 2 dias, garantido ✅ MEU DIFERENCIAL COMPETITIVO: PADRÕES DE SINGAPURA + GLOBAIS Posicionado de forma única na capital tecnológica da Ásia, ofereço: - Escalabilidade regional de Singapura para toda a região da Ásia-Pacífico - Conformidade com a rigorosa Lei de Proteção de Dados Pessoais de Singapura (PDPA) - Expertise em soluções de pagamento transfronteiriças - Iniciativa Smart Nation Alinhamento - Disponibilidade 24 horas por dia, 7 dias por semana, em todos os fusos horários ✅ CONQUISTAS COMPROVADAS - Mais de 500 projetos entregues na região da Ásia-Pacífico - Mais de S$ 5 milhões em valor gerado para o cliente - Mais de 15 colaborações com agências governamentais - Mais de 50 integrações com FinTechs (PayNow, NETS, GrabPay, PayLah!) - Aplicativos atendendo a mais de 3 milhões de usuários no Sudeste Asiático - 99,9% de tempo de atividade em sistemas de missão crítica ✅ AMPLO CONJUNTO DE TECNOLOGIAS Domínio de Programação: - Sistemas: C++, Rust, Go (sistemas de negociação de alta frequência) - Backend: Java (Spring), Python (FastAPI), Node.js, Scala - Frontend: React, Vue.js, Angular, Next.js - Mobile: Swift, Kotlin, React Native, Flutter - Blockchain: Solidity, Move, Rust (Solana) - Dados: R, Julia, MATLAB (quantitativo) Finanças) Especialização específica em Singapura: - Gateways de pagamento: Stripe, PayNow, NETS, FAST - APIs governamentais: SingPass, MyInfo, CorpPass, NDI - Nuvem: AWS (região de Singapura), Alibaba Cloud, Azure - Conformidade: Diretrizes da MAS, PDPA, padrões da IMDA - Idiomas: Localização para inglês, zimbabuano, malaio e taiwanês Ferramentas de IA e ML: - Desenvolvimento: Claude, Cursor, Copilot, Tabnine - Operações de ML: TensorFlow, PyTorch, Hugging Face - Dados: Pandas, NumPy, Apache Spark ✅ O QUE EU ENTREGO - Sessões de programação ao vivo com IA - Desenvolvimento em tempo real - MVPs de FinTech com conformidade regulatória integrada - Soluções de pagamento transfronteiriças para os mercados da ASEAN - Aplicativos seguros de nível governamental - Microsserviços escaláveis para mais de 1 milhão de usuários simultâneos - Auditorias de contratos inteligentes e protocolos DeFi - Completo Configuração de pipeline CI/CD com monitoramento ✅ IDEAL PARA - Startups de FinTech entrando nos mercados do Sudeste Asiático - Empresas que precisam expandir para a região da Ásia-Pacífico - Projetos de transformação digital governamentais - Plataformas de e-commerce transfronteiriço - Bancos e instituições financeiras - Iniciativas de cidades inteligentes e IoT ⚡ VAMOS CONSTRUIR JUNTOS Envie-me seus requisitos agora mesmo e receba uma demonstração funcional em até 48 horas. Sediado em Singapura, com atuação global. Seja um aplicativo de FinTech, uma solução GovTech ou uma plataforma empresarial, entrego com a eficiência de Singapura e o conhecimento do mercado asiático. A primeira demonstração é por minha conta - pague somente se ficar impressionado. Pronto para transformar sua ideia no próximo sucesso tecnológico do Sudeste Asiático? Vamos conversar! ?? Disponível para: Vagas em tempo integral | Projetos por contrato | Consultoria de CTO | Due diligence técnica Local: Singapura (Residente Permanente) | Fuso horário flexível | Presencial/Remoto/Híbrido ============================================================================== Desarrollador Full-Stack Senior | Arquitecto de Soluciones Aceleradas por IA | Experto en el Centro Tecnológico de Singapur No soy solo un desarrollador: soy tu arquitecto tecnológico en Singapur, uniendo Oriente y Occidente para ofrecer soluciones de nivel empresarial con la agilidad de una startup. ★ LO QUE ME DIFERENCIA ★ - Desarrollo con IA: Programación en vivo con Claude, Cursor, GitHub Copilot y V0, transformando conceptos en soluciones listas para producción mientras usted observa. - Especialista en FinTech: Amplia experiencia en sistemas de pago compatibles con la MAS, banca digital y soluciones blockchain para el Sudeste Asiático. - Experiencia en GovTech: Trayectoria comprobada en proyectos de transformación digital del gobierno de Singapur (SingPass, integración de la API de MyInfo). - Soluciones multilingües: Desarrollo de aplicaciones compatibles con inglés, mandarín, malayo y tamil, reflejando la diversidad de Singapur. - Compromiso de MVP en 48 horas: De la idea inicial al prototipo funcional en 2 días, garantizado. ✅ MI VENTAJA COMPETITIVA: SINGAPUR + ESTÁNDARES GLOBALES Con una posición privilegiada en la capital tecnológica de Asia, ofrezco: - Escalabilidad regional desde Singapur a toda la región APAC. - Cumplimiento de la estricta Ley de Protección de Datos Personales (PDPA) de Singapur. - Soluciones de pago transfronterizas. Experiencia - Alineación con la iniciativa Smart Nation - Disponibilidad 24/7 en todas las zonas horarias ✅ LOGROS COMPROBADOS - Más de 500 proyectos entregados en la región Asia-Pacífico - Más de 5 millones de dólares singapurenses en valor generado para clientes - Más de 15 colaboraciones con agencias gubernamentales - Más de 50 integraciones con FinTech (PayNow, NETS, GrabPay, PayLah!) - Aplicaciones con más de 3 millones de usuarios en el Sudeste Asiático - 99,9 % de tiempo de actividad en sistemas críticos ✅ TECNOLOGÍA INTEGRAL Dominio de la programación: - Sistemas: C++, Rust, Go (sistemas de trading de alta frecuencia) - Backend: Java (Spring), Python (FastAPI), Node.js, Scala - Frontend: React, Vue.js, Angular, Next.js 14 - Móvil: Swift, Kotlin, React Native, Flutter - Blockchain: Solidity, Move, Rust (Solana) - Datos: R, Julia, MATLAB (finanzas cuantitativas) Experiencia específica en Singapur: - Pasarelas de pago: Stripe, PayNow, NETS, FAST - API gubernamentales: SingPass, MyInfo, CorpPass, NDI - Nube: AWS (región de Singapur), Alibaba Cloud, Azure - Cumplimiento normativo: Directrices de la MAS, PDPA, estándares de la IMDA - Idiomas: Localización para EN/ZH/MS/TA Herramientas de IA y ML: - Desarrollo: Claude, Cursor, Copilot, Tabnine - Operaciones de ML: TensorFlow, PyTorch, Hugging Face - Datos: Pandas, NumPy, Apache Spark ✅ QUÉ OFREZCO - Sesiones de programación en vivo con IA - Desarrollo en tiempo real - MVPs de FinTech con cumplimiento normativo integrado - Soluciones de pago transfronterizas para los mercados de la ASEAN - Aplicaciones seguras de nivel gubernamental - Microservicios escalables para más de 1 millón de usuarios concurrentes - Auditorías de contratos inteligentes y DeFi Protocolos - Configuración completa de pipeline CI/CD con monitorización ✅ IDEAL PARA - Startups FinTech que se expanden a los mercados del Sudeste Asiático - Empresas que buscan expandirse en la región Asia-Pacífico - Proyectos de transformación digital del gobierno - Plataformas de comercio electrónico transfronterizo - Bancos e instituciones financieras - Iniciativas de ciudades inteligentes e IoT ⚡ CONSTRUYAMOS JUNTOS Envíame tus requisitos ahora y recibe una demo funcional en 48 horas. Con sede en Singapur, ofrezco mis servicios a nivel global. Ya sea una app FinTech, una solución GovTech o una plataforma empresarial, te ofrezco soluciones con la eficiencia de Singapur y un profundo conocimiento del mercado asiático. La primera demo es gratuita: solo pagas si te convence. ¿Listo para convertir tu idea en el próximo éxito tecnológico del Sudeste Asiático? ¡Conectemos! Disponible para: Puestos a tiempo completo | Proyectos por contrato | Asesoramiento a CTO | Due diligence técnica Ubicación: Singapur (Residencia Permanente) | Horario flexible | Modalidad: Presencial/Remoto/Híbrida ============================================================================== Senior Full-Stack Developer | AI-Accelerated Solutions Architect | Singapore Tech Hub Expert I'm not just a developer - I'm your Singapore-based tech architect who bridges East and West, delivering enterprise-grade solutions at startup speed. ★ WHAT SETS ME APART ★ - AI-First Development: Live coding with Claude, Cursor, GitHub Copilot, and V0 - transforming concepts into production-ready solutions while you watch - FinTech Specialist: Deep expertise in MAS-compliant payment systems, digital banking, and blockchain solutions for Southeast Asia - GovTech Experience: Proven track record with Singapore government digital transformation projects (SingPass, MyInfo API integration) - Multilingual Solutions: Building apps that seamlessly support English, Mandarin, Malay, and Tamil - true to Singapore's diversity - 48-Hour MVP Commitment: From whiteboard to working prototype in 2 days, guaranteed ✅ MY COMPETITIVE EDGE: SINGAPORE + GLOBAL STANDARDS Uniquely positioned in Asia's tech capital, I deliver: - Regional scalability from Singapore to entire APAC - Compliance with Singapore's stringent data protection (PDPA) - Cross-border payment solutions expertise - Smart Nation initiative alignment - 24/7 availability across time zones ✅ VERIFIED ACHIEVEMENTS - 500+ projects delivered across APAC - S$5M+ in client value generated - 15+ government agency collaborations - 50+ FinTech integrations (PayNow, NETS, GrabPay, PayLah!) - Apps serving 3M+ users across Southeast Asia - 99.9% uptime on mission-critical systems ✅ COMPREHENSIVE TECH STACK Programming Mastery: - Systems: C++, Rust, Go (high-frequency trading systems) - Backend: Java (Spring), Python (FastAPI), Node.js, Scala - Frontend: React, Vue.js, Angular, Next.js 14 - Mobile: Swift, Kotlin, React Native, Flutter - Blockchain: Solidity, Move, Rust (Solana) - Data: R, Julia, MATLAB (quant finance) Singapore-Specific Expertise: - Payment Gateways: Stripe, PayNow, NETS, FAST - Gov APIs: SingPass, MyInfo, CorpPass, NDI - Cloud: AWS (Singapore region), Alibaba Cloud, Azure - Compliance: MAS guidelines, PDPA, IMDA standards - Languages: Localization for EN/ZH/MS/TA AI & ML Tools: - Development: Claude, Cursor, Copilot, Tabnine - ML Ops: TensorFlow, PyTorch, Hugging Face - Data: Pandas, NumPy, Apache Spark ✅ WHAT I DELIVER - Live AI-Powered Coding Sessions - Real-time development - FinTech MVPs with regulatory compliance built-in - Cross-border payment solutions for ASEAN markets - Government-grade secure applications - Scalable microservices for 1M+ concurrent users - Smart contract audits and DeFi protocols - Full CI/CD pipeline setup with monitoring ✅ IDEAL FOR - FinTech startups entering Southeast Asian markets - Enterprises requiring APAC expansion - Government digital transformation projects - Cross-border e-commerce platforms - Banks and financial institutions - Smart city and IoT initiatives ⚡ LET'S BUILD TOGETHER Drop me your requirements now - receive a working demo within 48 hours. 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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":"2025-12-23 11:30:03","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. I also have great experience in Open-Source tools that do not depend on licenses and can also assist in the productivity of its users.","rating":4.9800000000000004,"ranking":134,"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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Me he especializado en Laravel, Vue.js y Flutter, brindando soluciones escalables y seguras. En Pagos Electrónicos de Guatemala, participé en el desarrollo y mantenimiento de una plataforma de pagos con integración a sistemas bancarios y pasarelas internacionales. Implementé mejoras que redujeron en un 50% el tiempo de carga y fortalecieron la seguridad en las transacciones. En otros proyectos, he creado APIs RESTful, sistemas de autenticación OAuth2 y funcionalidades completas de administración (CRUD) con estructuras limpias y mantenibles. También he trabajado en la migración de proyectos desde versiones antiguas de Laravel y Vue hacia las más recientes, asegurando continuidad operativa. Mis contribuciones han generado mejoras en la experiencia de usuario, optimización de procesos internos y mayor escalabilidad en productos digitales.","rating":4.8300000000000001,"ranking":84,"position":{"position":"platinum","next":{"name":"Hero","next":null,"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. Leer más"},"name":"Platinum","description":"Platinum es el quinto nivel de Workana. ¡Estás llegando a la cima! Ahora más que nunca recuerda chequear tu actividad en la plataforma: ingresos, calificaciones y clientes satisfechos. ¡Sigue siendo un éxito! Leer más ","explain":"Un freelancer Platinum es realmente un profesional TOP. El talento Platinum conoce a sus clientes, sabe trabajar de manera remota y brinda un excelente servicio. Su carrera no para de crecer, y solamente le falta conocerte a ti. ¿Qué esperas para contratarlo? Leer más"},"completed":13,"hourlyRate":{"rate":20,"currency":"USD"},"badges":[{"type":"membership_premium","profile":"worker","active":true}],"shouldShowHireMeDialog":false},"profileUrl":"https://www.workana.com/freelancer/8d02b783f976f0eb9043696eac2979dd","logoUrl":"https://cf.workana.com/logos/7f71ff3eed73dfb6f42d80eaa8174a25/kj/Capturadepantalla20250410alas103021am_160_160.png","truncatedCompanyDescription":"Me defino como un profesional competente, responsable, y autodidacta. soy una persona con vocación de servicio, con deseos de superación. 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He liderado proyectos para sectores públicos y privados en Colombia y el exterior, desarrollando desde sistemas de facturación electrónica y plataformas de impuestos, hasta soluciones SaaS, e-commerce y aplicaciones integradas con WhatsApp, Stripe y Google Calendar. ? ¿Por qué trabajar conmigo? Me considero un desarrollador fullstack todoterreno: domino el backend, el frontend y el diseño de arquitecturas eficientes. Pero más allá del código, lo mío es crear soluciones que funcionan y escalan. Combino lógica, diseño y estrategia digital, entregando productos listos para producción que cumplen objetivos reales del negocio. ? Mis habilidades técnicas Frontend: HTML, CSS, JavaScript, Bootstrap, Tailwind, jQuery, AJAX Backend: PHP, Laravel, Lumen, APIs REST y SOAP Herramientas: Git, Postman, SoapUI, Figma, Linux, servidores Windows Bases de datos: MySQL, PostgreSQL, SQL Server Integraciones: Stripe, Mercado Pago, WhatsApp API, Google Calendar, Guesty ? Experiencia profesional destacada Ingeniero de Desarrollo – Realtech Ltda (2023 - actual): Integración de pasarelas de pago y APIs estratégicas para FEDEGAN, DIAN y gobiernos. Desarrollo de sistemas fiscales y facturación electrónica escalables. NTTDATA (2022 - 2023): Desarrollo y soporte para ENEL Codensa, Bodytech y Movistar. Resolución de bugs, diseño de funcionalidades y mejora de procesos. Lavenir Apps (2020 - 2022): Desarrollo de sistemas IVR para ETB. Creación de módulos de pago y APIs en Laravel y Lumen. ? Proyectos reales en producción Agendux – SaaS de citas online con WhatsApp y pagos. Hostella – Plataforma de alquiler con Stripe y Guesty. VoyConVos – Web app de viajes compartidos (en desarrollo). BingoRiffy – Bingo en vivo con pagos y validación en tiempo real. FEDEGAN – Plataforma nacional de impuestos ganaderos. DevCloud Partners – Sitio corporativo con panel autoadministrable y SEO. ? ¿Qué puedo ofrecerte? Soluciones llave en mano: diseño, backend, frontend, base de datos e integraciones. Compromiso total con los plazos, calidad y claridad en la comunicación. Visión de producto: desarrollo pensando en el negocio y la escalabilidad. Acompañamiento continuo post-lanzamiento. 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