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I'm a developer experienced in web, mobile and desktop development for small and medium sized businesses.

Hello, and welcome to my profile. I’m new to Upwork, but I’ve been working in the software industry for several years. Now I want to bring my real-world business experience into the freelance market—helping clients build reliable, scalable solutions that solve practical problems and deliver measurable results. I work as a Full-Stack Developer, delivering end-to-end solutions: planning, architecture, backend, frontend, integrations, deployment, and continuous improvements. My recent work includes building robust systems that integrate payment gateways, AI-assisted message management, multichannel communication (such as WhatsApp and Messenger), real-time analytics, and user engagement features. In parallel, I also have solid experience in the mobile ecosystem, including Flutter development, app publishing, and the full release cycle. I’ve worked on real-world mobile projects such as the Teleblock app, and I also bring experience from the mobile telecommunications sector, which strengthened my understanding of reliability, scale, and user-facing operations. Core Skills & Tech Stack: • Frontend: React, Next.js • Backend: Node.js, Java (Spring Boot) • Mobile: Flutter (development + publishing/release process) • Automation: Python • Databases: SQL (relational) and NoSQL (MongoDB and similar) • DevOps: Docker, CI/CD pipelines, VPS deployments, AWS S3 Professional Experience (Highlights) • Built and maintained products and systems end-to-end, including messaging platforms, automations, payment integrations, and analytics dashboards. • Delivered mobile applications with hands-on experience across development, testing, and publishing to app stores (including Teleblock). • Background in the telecommunications/mobile phone sector, supporting operational demands and customer-focused systems. • Worked as a TOTVS RM Analyst/Developer, creating solutions to streamline academic workflows and reduce manual processes. • Served as an IT Analyst in the public health sector, supporting an Electronic Health Record (EHR) environment and ensuring operational continuity. • Automated data workflows and business processes to improve reliability, speed, and scalability. How I work: I value clear communication, clean architecture, and dependable delivery. Whether you need someone to build a solution from scratch, improve an existing system, ship a mobile app, or integrate critical services (payments, messaging APIs, analytics, automation), I can help. Send me a message with your project goals—I’ll respond with a practical plan, suggested architecture, and next steps.

I'm a full-stack developer with hands-on experience building mobile apps and back-end systems for fintech. At my most recent role, I developed a digital credit app from scratch in Flutter that became one of the company's main channels for customer contracts, while also shipping new and improved back-end flows in PHP (Symfony). Whether you need a mobile app built from the ground up, a solid back-end API, or help improving an existing product, I can help. ∙ Knows Flutter/Dart, PHP (Symfony), Python, SQL, React, and JavaScript ∙ Experience with AWS, PostgreSQL, MongoDB, and MySQL ∙ Background in cybersecurity (AWS Cloud Developer certified; MBA in Cybersecurity in progress) ∙ Fluent in English, native Spanish speaker, plus Portuguese Clear, regular communication is important to me. Let's keep in touch!

Software Engineer specializing in cross-platform mobile development with Flutter, alongside native iOS (Swift) and Android (Kotlin) experience. I help businesses build, improve, and maintain high-quality mobile applications—from implementing new features and fixing complex bugs to optimizing performance and modernizing legacy codebases. I focus on writing clean, maintainable code, creating intuitive user experiences, and delivering reliable solutions on time. Whether joining an existing project or building new functionality, I adapt quickly, communicate clearly, and work collaboratively to ensure successful releases.

Analytical and detail-oriented Senior Developer with 4+ years of expertise in building high-performance, production-ready mobile ecosystems. Native & Cross-Platform Mastery: Expert in Kotlin (Jetpack Compose, Coroutines) and Flutter (State Management, Flame Engine) to deliver 60fps user experiences. Scalable Architecture: Specialized in clean SDK design, full activity lifecycle management, and robust backend integration using Firebase and Supabase. Modern Tech Stack: Proficient in Retrofit2, RxJava, and Room DB, with a focus on writing clean, maintainable code and concise technical documentation. Client-Centric Solutions: Dedicated to transforming complex business requirements into intuitive mobile products through strategic version control (GIT) and agile collaboration.

I am a mechanical engineer with extensive experience in 3d modeling and technical drawing. - Experience in Solidworks, AutoCAD, and Fusion 360