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For analytics and ML workflows, I use Pandas, NumPy, Scikit-Learn, and TensorFlow. ? Focused on building AI-powered systems that boost efficiency, enhance decision-making, and streamline business operations. Thanks, William Henerson","logos":{"normal":{"url":"https://workana.s3.amazonaws.com/logos/eb85e116f55ae6b0b8d934c17923c524/bq/22401441_160_160.jpg","width":160,"height":160},"thumb":{"url":"https://workana.s3.amazonaws.com/logos/eb85e116f55ae6b0b8d934c17923c524/oi/22401441_30_30.jpg","width":30,"height":30},":original":{"url":"https://workana.s3.amazonaws.com/logos/eb85e116f55ae6b0b8d934c17923c524/mm/22401441.jpg","width":460,"height":460},"profile":{"url":"https://workana.s3.amazonaws.com/logos/eb85e116f55ae6b0b8d934c17923c524/lr/22401441_192_192.jpg","width":192,"height":192},"large":{"url":"https://workana.s3.amazonaws.com/logos/eb85e116f55ae6b0b8d934c17923c524/zo/22401441_300_300.jpg","width":300,"height":300}},"country":"MY","lastActive":"2025-12-28 13:13:59","created":"2025-08-04 21:40:08","open":0,"active":0,"completed":"0","rating":"0.00","paid":0,"verifiedPaymentMethod":false,"worker":{"id":11263529,"slug":"william-henderson","canInvite":false,"skills":{"934":{"id":934},"685":{"id":685},"768":{"id":768},"274":{"id":274},"234":{"id":234},"246":{"id":246},"947":{"id":947},"1051":{"id":1051},"853":{"id":853},"1012":{"id":1012},"188":{"id":188},"67":{"id":67}},"history":"? Work History ⭐ Senior Full Stack Developer 10+ Years Experience | AI, Automation & Scalable Systems • Architected and delivered high-performance backend systems using Django, FastAPI, and PostgreSQL, supporting over 100,000 daily active users with consistent uptime and reliability. • Developed optimized RESTful APIs with Django REST Framework and FastAPI, improving server response speed by 30%. • Built real-time, event-driven features using WebSockets through Django Channels and FastAPI, enabling seamless live interactions. • Designed and implemented advanced front-end interfaces using React.js and Vue.js, significantly enhancing UX and engagement rates. • Streamlined deployment workflows using Docker, Kubernetes, and CI/CD pipelines, reducing deployment time by 40%. • Integrated AI-powered features using OpenAI GPT and Hugging Face, boosting automation and user personalization. • Led development and mentoring efforts, guiding cross-functional teams toward best practices in scalable system design. ⭐ Full Stack Developer • Delivered enterprise-grade web applications using Django and Flask, ensuring security, scalability, and clean architecture. • Designed and optimized SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis) databases, ensuring high data integrity and system performance. • Migrated legacy monolithic applications into microservices using Flask and FastAPI, increasing system modularity and scalability. • Implemented secure authentication solutions using JWT, OAuth2, and role-based access control, aligned with industry security standards. • Automated internal workflows and third-party integrations using n8n, Zapier, and custom Python scripts, reducing manual workload. • Created technical documentation and conducted training sessions to elevate team knowledge and onboarding efficiency. • Built foundational chatbot prototypes using Rasa and GPT-based architectures, supporting conversational automation initiatives. ⭐ Junior Web Developer • Supported development of dynamic web applications using Flask and Django, working on models, views, templates, and API endpoints. • Built interactive front-end features using JavaScript, jQuery, and CSS frameworks such as Bootstrap and Tailwind. • Collaborated with senior developers in code reviews, debugging, and optimization, improving application performance and security. • Gained experience in automated testing using PyTest, Selenium, and unit testing frameworks, ensuring reliability and maintainability. • Assisted in integrating third-party APIs and basic automation workflows, building a foundation for advanced development skills. • Contributed to UI/UX improvements through iterative design and feedback cycles.","rating":5,"ranking":51,"position":{"position":"gold","next":{"name":"Platinum","next":"hero","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"},"name":"Gold","description":"Gold es el cuarto nivel de Workana. Estás a un paso de convertirte en un top freelancer y acceder a los mejores beneficios. Continúa el excepcional trabajo: ingresos, calificaciones y clientes satisfechos son la clave. Leer más","explain":"Un freelancer Gold ya ha trabajado con por lo menos 4 clientes diferentes y consiguió muy buenos resultados. Para estos profesionales, su reputación es muy importante. ¡No te pierdas la oportunidad de conocer su talento en tu próximo proyecto! Leer más"},"completed":3,"hourlyRate":{"rate":25,"currency":"USD"},"badges":[{"type":"membership_premium","profile":"worker","active":true}],"shouldShowHireMeDialog":false},"profileUrl":"https://www.workana.com/freelancer/76e6c62dc5b678579d3412d9be66cd67","logoUrl":"https://cf.workana.com/logos/eb85e116f55ae6b0b8d934c17923c524/bq/22401441_160_160.jpg","truncatedCompanyDescription":"? I’m William Henerson, a Malaysia-based Full Stack Developer with over a decade of experience in crafting intelligent, scalable, and automation-focused digital solutions. I specialize in integrating Large Language Mo...","ratingData":{"label":"5 of 5.00","stars":5},"countryData":{"country":"MY","name":"Malaysia","class":"flag flag-my","url":"https://www.workana.com/en/freelancers/malaysia?ref=freelancer_view","blankGif":"https://cf.wkncdn.com/static/assets/build/img/blank.4f4e80a62.gif"},"skillTags":[{"anchorText":"React Native","anchorLink":"https://www.workana.com/en/hire/react-native","isCertified":false,"title":"React Native - Freelancers"},{"anchorText":"Laravel","anchorLink":"https://www.workana.com/en/hire/laravel","isCertified":false,"title":"Laravel - Freelancers"},{"anchorText":"React.js","anchorLink":"https://www.workana.com/en/hire/react-js","isCertified":false,"title":"React.js - Freelancers"},{"anchorText":"PHP","anchorLink":"https://www.workana.com/en/hire/php","isCertified":false,"title":"PHP - Freelancers"},{"anchorText":"MySQL","anchorLink":"https://www.workana.com/en/hire/mysql","isCertified":false,"title":"MySQL - Freelancers"},{"anchorText":"Node.js","anchorLink":"https://www.workana.com/en/hire/node-js","isCertified":false,"title":"Node.js - Freelancers"},{"anchorText":"Chatbot","anchorLink":"https://www.workana.com/en/hire/chatbot","isCertified":false,"title":"Chatbot - Freelancers"},{"anchorText":"ChatGPT","anchorLink":"https://www.workana.com/en/hire/chatgpt","isCertified":false,"title":"ChatGPT - Freelancers"},{"anchorText":"Artificial intelligence","anchorLink":"https://www.workana.com/en/hire/artificial-intelligence","isCertified":false,"title":"Artificial intelligence - Freelancers"},{"anchorText":"Next.js","anchorLink":"https://www.workana.com/en/hire/next-js","isCertified":false,"title":"Next.js - Freelancers"},{"anchorText":"JavaScript","anchorLink":"https://www.workana.com/en/hire/javascript","isCertified":false,"title":"JavaScript - Freelancers"},{"anchorText":"IT & Programming","anchorLink":"https://www.workana.com/en/hire/it-programming","isCertified":false,"title":"IT & Programming - Freelancers"}]},{"seoURL":"https://www.workana.com/freelancer/19ee312d5a41e81950634493291fdea6","companyVisibleName":"Marcelo R.","tagline":"Uno nunca termina de aprender","companyDescription":"Ingeniero en informática, titulado el 2008, apasionado del desarrollo web, responsable y trabajador, autodidacta por excelencia, si no se algo lo busco hasta encontrar la solución.","logos":{"normal":{"url":"https://workana.s3.amazonaws.com/logos/e97452132824642cf92988ff416cb86d/oe/B2D2CF9200A54FEFAE5FDEEA210D2B16_160_160.jpeg","width":160,"height":160},"thumb":{"url":"https://workana.s3.amazonaws.com/logos/e97452132824642cf92988ff416cb86d/pr/B2D2CF9200A54FEFAE5FDEEA210D2B16_30_30.jpeg","width":30,"height":30},":original":{"url":"https://workana.s3.amazonaws.com/logos/e97452132824642cf92988ff416cb86d/oq/B2D2CF9200A54FEFAE5FDEEA210D2B16.jpeg","width":400,"height":400},"profile":{"url":"https://workana.s3.amazonaws.com/logos/e97452132824642cf92988ff416cb86d/bg/B2D2CF9200A54FEFAE5FDEEA210D2B16_192_192.jpeg","width":192,"height":192},"large":{"url":"https://workana.s3.amazonaws.com/logos/e97452132824642cf92988ff416cb86d/kw/B2D2CF9200A54FEFAE5FDEEA210D2B16_300_300.jpeg","width":300,"height":300}},"country":"CL","lastActive":"2025-12-28 16:53:41","created":"2017-09-28 00:49:51","open":0,"active":0,"completed":"1","rating":"5.00","paid":1,"verifiedPaymentMethod":true,"worker":{"id":721669,"slug":"marcelo-rojas-22","canInvite":false,"skills":{"274":{"id":274},"666":{"id":666},"685":{"id":685},"188":{"id":188},"535":{"id":535},"67":{"id":67}},"history":"Más de 10 años de experiencia en el rubro de la informática, me ha tocado desempeñar variadas funciones en los diferentes lugares en donde he cumplido labores, de todos he aprendido mucho, en especial desarrollo web, la cual es un área que me apaciona mucho.","rating":4.9199999999999999,"ranking":196,"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. Leer más"},"completed":22,"hourlyRate":{"rate":10,"currency":"USD"},"badges":[{"type":"membership_premium","profile":"worker","active":true}],"shouldShowHireMeDialog":false},"profileUrl":"https://www.workana.com/freelancer/19ee312d5a41e81950634493291fdea6","logoUrl":"https://cf.workana.com/logos/e97452132824642cf92988ff416cb86d/oe/B2D2CF9200A54FEFAE5FDEEA210D2B16_160_160.jpeg","truncatedCompanyDescription":"Ingeniero en informática, titulado el 2008, apasionado del desarrollo web, responsable y trabajador, autodidacta por excelencia, si no se algo lo busco hasta encontrar la solución.","ratingData":{"label":"4.92 of 5.00","stars":4.9199999999999999},"countryData":{"country":"CL","name":"Chile","class":"flag flag-cl","url":"https://www.workana.com/en/freelancers/chile?ref=freelancer_view","blankGif":"https://cf.wkncdn.com/static/assets/build/img/blank.4f4e80a62.gif"},"skillTags":[{"anchorText":"PHP","anchorLink":"https://www.workana.com/en/hire/php","isCertified":false,"title":"PHP - Freelancers"},{"anchorText":"Web Development","anchorLink":"https://www.workana.com/en/hire/web-development-1","isCertified":false,"title":"Web Development - Freelancers"},{"anchorText":"Laravel","anchorLink":"https://www.workana.com/en/hire/laravel","isCertified":false,"title":"Laravel - Freelancers"},{"anchorText":"JavaScript","anchorLink":"https://www.workana.com/en/hire/javascript","isCertified":false,"title":"JavaScript - Freelancers"},{"anchorText":"Microsoft Excel","anchorLink":"https://www.workana.com/en/hire/microsoft-excel","isCertified":false,"title":"Microsoft Excel - Freelancers"},{"anchorText":"IT & Programming","anchorLink":"https://www.workana.com/en/hire/it-programming","isCertified":false,"title":"IT & Programming - Freelancers"}]},{"seoURL":"https://www.workana.com/freelancer/9fad16f6b1839e8609a2fcf2f0f4486c","companyVisibleName":"Leandro S.","tagline":"Especialista Linux","companyDescription":"Minha apresentação em português: Desde de 2001 trabalho com redes e servidores Linux. 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":"2025-12-28 18:13:59","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":102,"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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