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Professional Summary • 12+ years developing JEE solutions for banks. Working mainly with those technologies: Java, Spring-boot , Spring MVC, Spring Security.... These applications work under MySQL, SQLServer, and Oracle databases; • 5+ years of designing and developing Restful microservices. • 3+ years of hands-on experience integrating SOAP Web Services, XML, and XSD systems. • 8+ years using Scrum in the software development process, where 3 of those years as Scrum Master; • 7+ Working experience designing, developing, and managing Java applications at AWS and/or Kubernets/Openshift cloud. • The main application container so far was Apache Tomcat, but I also had experience with JBoss and Websphere environments. Main skills: • Proactive, always aim to contribute to team objectives; • Focused on results without losing the quality sense; • Take problems ownership; • Flexible Other tools • Bug Tracking: JIRA, Redmine • Tests and Performance Analysis: Apache Jmeter, SoapUI • Version control: GIT,SVN • Others: IntelliJ, Maven, Eclipse

I take over code someone else wrote, often generated with AI, and get it into production. Something already exists, parts of it work, and it needs finishing without breaking what runs today. Eight years as a software engineer, three of them building AI systems that real companies run their business on. Conversational assistants and AI pipelines for a top-3 insurer in Peru, the largest shopping mall in Lima, and mortgage bots for LatAm banking. I can walk you through what broke and how we fixed it. You can check most of my work yourself. citta.es is live with paying customers and books appointments against a government portal built to block bots. tarja.app runs real row-level security in production on Next.js App Router. transcribo.es turns speech into text with the model running inside your own browser, so the audio never leaves your device. reccado and eccos are open source on GitHub. What I'm good at: - Taking over something half-built and finishing it - Maintaining and extending a SaaS that already has users, without breaking it - Adding AI features that admit when they don't know instead of making something up - Making an AI feature that works in a demo survive real users - Automating things on websites that don't want to be automated - Building the whole product, front to back Stack: TypeScript, React, Next.js, Astro, Node, Bun, Python. Postgres and Supabase, Convex, Vercel. Cloudflare Workers, D1, R2, Durable Objects, Queues. Claude, OpenAI, RAG, evals, MCP. How I work: scoped fixed-price projects and ongoing work, up to 30 hours a week, consistently, over months. Native Spanish, so I can work directly with Spanish-speaking teams. Professional English, CET, async-first. Tell me what is breaking and I'll tell you what I would do about it, before you commit to anything.

I build scalable web and database applications, by performing customizations, upgrade package development, versioning, application provisioning, performance monitoring and report development. I follow best practices and code standards for quality assurance, by building secure applications with logging system, monitoring, data validation, error handling, concurrency and performance optimization. I use front-end technologies like Bootstrap, JQuery, JavaScript, AngularJs, C# Razor, ASP.NET MVC to build responsive web design and enhanced user experience. I use back-end technologies like ASP.NET Core, C#, Automapper, Entity Framework, Dapper, NodeJs, Node-Red to build Restful Web API, data integrations and background scheduled jobs. I use database technologies like SQL Server, Transact-SQL, Redgate, Oracle, PL-SQL to build relational model satisfying data integrity and consistency, write database routines, evaluate indexes, performance, query tuning and monitoring. I use a variety of tools like Jira, Github, Bitbucket for application lifecycle management, source control repository and project management. I also develop containerized cloud-based solutions using AWS, Azure and Docker. I have a bachelor’s degree and a master’s degree in Computer Science, focused on data science and machine learning algorithms. I have developed a new technique to solve multi-dimensional clustering problems and I have published an article. I have focus on client requirements, prioritization and deadlines, working on a collaborative remote environment with distributed teams. I have the motivation to learn anything required to deliver the project in which I work.

🚨Are you looking for a seasoned Full Stack Developer 🌟 who can transform your vision into a high-performance digital product❓Look no further❗️With over 𝟵 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗵𝗮𝗻𝗱𝘀-𝗼𝗻 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 🏆 I specialize in building robust 🦾 scalable 🚀 and intuitive web applications using the latest technologies like 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗮𝗻𝗱 𝗡𝗼𝗱𝗲.𝗷𝘀 🔥🔥🔥 ⛑ 𝗪𝗛𝗬 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘? 🚀 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗔𝗰𝗿𝗼𝘀𝘀 𝘁𝗵𝗲 𝗦𝘁𝗮𝗰𝗸: Whether it's front-end magic with 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀/𝗔𝗻𝗴𝘂𝗹𝗮𝗿 or back-end power with 𝗡𝗼𝗱𝗲.𝗷𝘀, I've mastered the full stack. I ensure seamless integration, clean code, and efficient solutions that meet your business goals 🏆 🌟 𝗧𝗮𝗶𝗹𝗼𝗿𝗲𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: I believe in a user-centric approach, tailoring every project to meet your unique needs. From dynamic single-page applications to complex enterprise systems, I deliver solutions that drive success 👑 💪 𝗔𝗴𝗶𝗹𝗲 𝗮𝗻𝗱 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝘃𝗲: I thrive in agile environments, working closely with clients to ensure their vision is realized at every stage. Transparent communication, iterative progress, and on-time delivery are my top priorities ⏱ ⛑ 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗮𝗻𝗱 𝗦𝗰𝗮𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: I build with the future in mind, ensuring your applications are not only fast and responsive but also scalable and maintainable. I'm committed to delivering quality that stands the test of time 🏄‍♀️ 🆕 𝗖𝘂𝘁𝘁𝗶𝗻𝗴-𝗘𝗱𝗴𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: Staying updated with the latest trends and technologies is key. I constantly refine my skills to leverage the best tools and practices in the industry, including TypeScript, Express, MongoDB, AWS, and more ⚜️ 🏆 𝗠𝘆 𝗞𝗲𝘆 𝗦𝗸𝗶𝗹𝗹𝘀 𝗜𝗻𝗰𝗹𝘂𝗱𝗲: 🏆 ✅ 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱: React.js, Angular, Redux, HTML5, CSS3, SASS, Bootstrap, Material UI ✅ 𝗕𝗮𝗰𝗸-𝗘𝗻𝗱: Node.js, Express.js, RESTful APIs, GraphQL ✅ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: MongoDB, MySQL, PostgreSQL ✅ 𝗗𝗲𝘃𝗢𝗽𝘀: Docker, Kubernetes, CI/CD Pipelines, AWS, Azure ✅ 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Jest, Mocha, Chai, Cypress 💫 𝕎𝕙𝕒𝕥 𝕄𝕪 ℂ𝕝𝕚𝕖𝕟𝕥𝕤 𝕊𝕒𝕪: 💫 💬 "𝘈𝘯 𝘦𝘹𝘤𝘦𝘱𝘵𝘪𝘰𝘯𝘢𝘭 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘦𝘳 𝘸𝘩𝘰 𝘤𝘰𝘯𝘴𝘪𝘴𝘵𝘦𝘯𝘵𝘭𝘺 𝘥𝘦𝘭𝘪𝘷𝘦𝘳𝘴 𝘩𝘪𝘨𝘩-𝘲𝘶𝘢𝘭𝘪𝘵𝘺 𝘸𝘰𝘳𝘬. 𝘏𝘪𝘴 𝘢𝘣𝘪𝘭𝘪𝘵𝘺 𝘵𝘰 𝘩𝘢𝘯𝘥𝘭𝘦 𝘤𝘰𝘮𝘱𝘭𝘦𝘹 𝘵𝘢𝘴𝘬𝘴 𝘸𝘪𝘵𝘩 𝘦𝘢𝘴𝘦 𝘪𝘴 𝘪𝘮𝘱𝘳𝘦𝘴𝘴𝘪𝘷𝘦." 💬 "𝘌𝘧𝘧𝘪𝘤𝘪𝘦𝘯𝘵, 𝘳𝘦𝘭𝘪𝘢𝘣𝘭𝘦, 𝘢𝘯𝘥 𝘢 𝘵𝘳𝘶𝘦 𝘦𝘹𝘱𝘦𝘳𝘵 𝘪𝘯 𝘧𝘶𝘭𝘭-𝘴𝘵𝘢𝘤𝘬 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘮𝘦𝘯𝘵. 𝘛𝘩𝘦 𝘱𝘳𝘰𝘫𝘦𝘤𝘵 𝘦𝘹𝘤𝘦𝘦𝘥𝘦𝘥 𝘰𝘶𝘳 𝘦𝘹𝘱𝘦𝘤𝘵𝘢𝘵𝘪𝘰𝘯𝘴." 🚀 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗕𝗿𝗶𝗻𝗴 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝘁𝗼 𝗟𝗶𝗳𝗲? 🚀 Let’s collaborate to build something extraordinary! Whether you need a new web application, a feature upgrade, or technical consultation, I'm here to help. Drop me a message, and let's discuss how we can achieve your goals together 🚀🚀🚀 KEYWORDS: Full-stack development | fullstack developer | web development | React.js | Angular | Node.js | JavaScript | HTML5 | CSS3 | TypeScript | front-end development | frontend developer | back-end development | backend developer | MongoDB | MySQL | PostgreSQL | Express.js | RESTful APIs | GraphQL | Bootstrap | Material UI | SASS | LESS | Redux | Docker | Kubernetes | CI/CD pipelines | AWS | Azure | Firebase | Git | GitHub | Bitbucket | DevOps | Agile development | Scrum | responsive design | single-page applications | SPAs | web apps | cross-browser compatibility | performance optimization | web security | authentication | authorization | JWT | OAuth | JSON | AJAX | WebSockets | API integration | microservices | serverless architecture | cloud computing | MVC architecture | database design | NoSQL | SQL | data modeling | TDD | unit testing | integration testing | Jest | Mocha | Chai | Cypress | Selenium | continuous integration | continuous deployment | code review | code quality | design patterns | MVC | MVVM | version control | object-oriented programming | OOP | functional programming | ES6+ | npm | yarn | package management | web components | PWA | progressive web apps | mobile-first design | UI/UX design | wireframing | prototyping | REST architecture | SOAP | XML | Redux-Saga | Next.js | Nuxt.js | Angular CLI | React Router | server-side rendering | SSR | client-side rendering | CSR | SEO optimization | Webpack | Babel | Gulp | Grunt | software architecture | system design | debugging | troubleshooting | web accessibility | ADA compliance | node js developer | react js node js | node js angular | mongodb node js | backend nodejs | backend nodejs | nodejs developer | react nodejs | nodejs mongodb | typescript nodejs | node.js developer | react.js node.js | backend node.js | node.js aws | vue.js node.js | backend nodejs | react | react developer | react native | react native mobile | react typescript | beta reader | reactjs | reactjs redux | reactjs developer | reactjs typescript | react.js | react.js node.js | react.js developer

I help businesses build, improve, and maintain custom WordPress and Symfony websites. I’m a senior web developer with 15+ years of experience helping companies create reliable websites, improve existing projects, and solve complex technical challenges. My work includes custom website development, API integrations, technical audits, performance improvements, bug fixing, and long-term support. I also have a strong track record on Upwork, including 100% Job Success, Top Rated status, 48+ completed jobs, and 700+ hours worked. I can help you with: - custom WordPress website development - Symfony development and backend functionality - improving and extending existing websites - working with and fixing someone else’s code - REST API integrations - Stripe and PayPal integrations - CRM and email marketing service integrations - technical audits and troubleshooting - ongoing support and maintenance My core stack includes PHP, WordPress, Symfony, Twig, JavaScript, Vue.js, Nuxt.js, HTML, CSS, Docker, ACF, and Gutenberg. I also work with a professional designer and SEO specialist, which allows me to contribute not only to development, but to the overall quality, structure, and search visibility of a website. What clients value when working with me: - clean and maintainable code - fast understanding of existing projects - strong problem-solving skills - clear and reliable communication - thoughtful technical decisions - dependable long-term support Whether you need a custom website from scratch, improvements to an existing platform, complex integrations, or technical help with a live project, I can help. Let’s discuss your project.

I perform web design (PHP, Python, Ruby) and programming(Java, C++), and server administration GNU/Linux (CentOS, RedHat, Ubuntu, Debian). Software Engineer with a Full Stack emphasis. Love developing and working with great infrastructures. Ambitious applications are always keeping contempt. DevOps with a strong emphasis on Back-end web development and automation and deployment of Unix systems. I'm an experienced PHP Developer (16+ years) with Bachelor's Degree in Computer Science (Software Engineering) in Spain. Over 16 years of intensive work in the web development industry. ✔More than 9750 hours in Upwork and 190+ projects. With almost 85% Job Success. I apply my technical skills using UNIX based and like operating systems to provide the most effective, reliable and secure solutions available. Results oriented application developer focused on delivering high quality code and solutions. Built solutions using several scripting/programming languages ► PHP: OOP, MVC, Best practices, Design Patterns, Unit Testing ► PHP frameworks: Symfony, Zend, CodeIgniter, Laravel, Lumen, FuelPHP ► Python: Django, Fabric ► Webservers: Apache, Nginx, Varnish, LightHTTP ► Databases: MySQL, MariaDB, SQLite, PostgresSQL, Percona ► Version control system: Git, hg (mercurial), Bazaar, svn Also: ► Mailing: Postfix, Dovecot, Postgre, SpamAssassin, ClamAV, Mailgun, Mailchimp ► Providers: - AWS (EC2, ECS, ECR, S3, Route 53, Elastic Load Balancing (ELB), Latency Based Routing (LBR), Glacier, etc), - Digital Ocean, - Hetzner, - Linode (Lish) ► Migration, backup, page speed optimization and tuning perfomance sites (Specialized in migrations like shared-hosting to VPS/Dedicated or huge infrastructures). Reducing costs for your company is a must for me. ► CDN: CloudFlare ► SSL configuration: RapidSSL, name.com, GeoTrust, LetsEncript ► PaaS: Cloud66, EngineYard, Laravel Forge ► GTD: Basecamp, Asana, Trello, Wunderlist ► Payments: Pay_pal API, Stripe, Braintree, MangoPay, Zaxaa ► Bluehost, Hostgator, Site5 ► Security: Suhosin, ModSecurity ► Panels: cPanel (and cPanel DNS only), DirectAdmin, Plesk ► Exception tracking: bugsnag, New Relic ► Redis, Vagrant, Docker ► Templates system: Mustache, Markdown, Smarty, Twig, Haml, Jade, Dwoo, Phptal ► Databases: MySQL, MariaDB, MongoDB, Amazon RDS (Multi AZ), Cassandra ► Others: WP-Rocket, Memcache, Dropbox API I also offer SEO, 3D Design and translations through other workers in my Agency Quijost And there is much more to list of skills I gathered over the years. Just contact me for a quote. I prefer only hourly jobs instead fixed price. Please avoid sending me jobs about (it will be ignored): iOS, Windows, IIS, SQL Server