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hammes's photo
Marcio Hammes
From Brazil 12:20 AM (GMT-03:00)
$18/hr or $38,000/yr
Active 3 days ago
Member since Jan 2026

Full-Stack Developer

Software Engineer
Available for hire
Years of experience
4+ years
Experience level
Mid-level
Available for
Full-time, Part-time, Contract
Available from
01 Mar 2026
Download Resume / CV

Fullstack Developer with 4+ years of experience building web and mobile applications using Laravel, PHP, Flutter, Dart, and Python, with strong focus on AI-powered systems. Experienced in LLM and RAG-based solutions, serverless AWS workflows (Lambda, S3, Bedrock), RabbitMQ, and high-volume report and document generation. Actively working in Agile/Scrum environments, collaborating with cross-functional teams, participating in sprint planning, daily stand-ups, and iterative delivery. Proven ability to deliver scalable, production-ready systems across educational B2B platforms and AI-enabled laboratory applications.

Currently, I specialize in developing laboratory mobile systems using Flutter, integrating AI solutions via Python to automate complex data extraction, processing, and Generative AI workflows. I am experienced in architecting serverless, asynchronous environments using AWS (Lambda, S3, Bedrock) and RabbitMQ to handle high-concurrency document processing and RAG-based solutions.

Beyond mobile, I have deep expertise in Laravel with PHP, having developed robust B2B platforms and automated reporting modules.

Core skills and technologies: Flutter, Dart, Laravel, PHP, Python, LLMOps, SQL (MySQL, PostgreSQL, SQLite), AWS (Lambda, S3, Bedrock, Bedrock), Docker, RabbitMQ, Agile (Scrum), Git, GitHub

Skills

JavaScript CSS Laravel Vue.js Tailwind CSS SQL Docker AWS REST Lambda OpenAI jQuery JSON Text to speech Speech to text PostgreSQL MySQL Firebase SQLite RabbitMQ Git GitHub Figma Agile CI/CD MVC Machine Learning Stripe Generative AI Large Language Models Flutter HTML Python Java PHP Lua Dart Hostinger FastAPI

Languages

English Portuguese

Employment History

AI-Powered Fullstack Developer at Concent Sistemas Current 2025 - Now
Working as an AI-Powered Fullstack Developer building intelligent laboratory systems with Flutter, Python-based AI services, and scalable AWS architectures, working in Agile/Scrum teams, with a focus on LLM and RAG integrations and Laravel reporting modules. - Designed and developed an AI-powered Flutter (Android/iOS) application that centralized laboratory data into a single mobile platform, improving patient access to exam results and pre-service scheduling. - Built a feature enabling clients to upload medical prescriptions in a Flutter app, automating data extraction and pre-service scheduling using Python, LLMs, and RAG models, processed via a serverless AWS architecture (Lambda, S3, RabbitMQ) to handle hundreds of prescriptions. - Integrated a medical RAG system using Python and AWS Lambda, integrating embeddings with PostgreSQL to enable high-precision semantic search over laboratory exam data. - Developed a cross-platform mobile app using Flutter and Dart, implementing a WebView to deploy the company website as an Android and iOS application, enabling rapid delivery, code reuse, and simplified maintenance. - Developed and maintained Laravel reporting modules for high-volume document processing (2,000+ data entries), integrating AWS S3 for secure cloud storage. - Created Laravel (PHP) REST APIs to manage report generation workflows, receiving a payload, fetching external report data, processing results, and returning secure AWS S3 download links. - Worked within Agile (Scrum) methodology, participating in sprint planning, daily stand-ups, sprint reviews, and retrospectives to deliver features iteratively and on schedule. Tech Stack: Flutter, Dart, Python, Laravel, PHP, RAG, AWS (Lambda, S3, Bedrock, ECR, CodeCommit), PostgreSQL, SQLite, RabbitMQ, Docker, Agile/Scrum, Git.
Fullstack Web Developer at OPCTEC 2023 - 2025
Worked as a Fullstack Web Developer maintaining and evolving scalable B2B educational platforms using Laravel, PHP, and Vue.js, contributing to backend and frontend development, CI/CD workflows, system upgrades, and production-ready features supporting thousands of users. - Upgraded a production application from Laravel 9 to Laravel 11, refactoring controllers, services, models, and DTOs to maintain architectural consistency, compatibility, and framework modernization. - Developed and optimized RESTful APIs using MVC, DTO patterns, and Laravel Eloquent, consumed by Vue.js frontends, ensuring consistent data contracts and centralized business rules. - Implemented a domain-based multi-tenant architecture in Laravel, allowing each company to configure its own domain and exclusive features for thousands of users. - Created a centralized support center connected to WhatsApp and Twilio using Laravel and Vue.js, unifying multi-channel customer communications and improving support workflow efficiency. - Built responsive frontend interfaces using Laravel Blade and Vue.js, combining server-rendered views with reactive components to deliver complex forms and consistent user experiences. Tech Stack: PHP, Laravel, Vue.js, JavaScript, JQuery, Bootstrap, MySQL, Twilio API, cPanel, Git, GitHub.
Freelancer Developer at Multi Theft Auto 2022 - 2025
Worked as a Freelance Developer delivering custom game features for multiple servers. Focused on implementing requested systems, fixing bugs, improving performance, and managing databases, handling tasks from client requirements to final delivery as my first professional development experience. - Delivered hundreds of custom systems using Lua, Javascript, Bootstrap and SQL Databases (MySQL/SQLite), managing the full lifecycle from client specifications to deployment. - Founded and scaled a community to 100+ active players, architecting core systems, optimizing performance, and managing continuous updates. - Configured and managed MTA servers on Linux-based VPS environments, handling deployment, environment setup, service monitoring, security basics, and performance tuning to ensure stable and reliable uptime. - Built responsive game interfaces using HTML, CSS, JavaScript, and Bootstrap, ensuring seamless integration with backend logic. Tech Stack: Lua, Python, JavaScript, JQuery, Bootstrap, Databases (SQLite, MySQL), Git, Github, VPS, Linux.

Education

Bachelor of Software Engineering at Centro Universitário Filadélfia - UNIFIL Current 2025 - Now
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