Full-Stack Developer specializing in high-performance banking systems and BaaS solutions. I architect scalable APIs handling R$10M+ in monthly transactions with <200ms latency, leveraging AWS cloud infrastructure and hexagonal architecture. Currently pursuing Software Engineering at University of Contestado while building cutting-edge financial technology.
I design and develop robust APIs using hexagonal architecture and clean code principles, ensuring modularity, scalability, and performance with latency below 200ms in critical operations.
I deploy and orchestrate solutions on AWS (EC2, RDS, S3, Lambda) with CI/CD practices using GitHub Actions, reducing deployment time by 35% and ensuring reliable production systems.
I develop Banking-as-a-Service solutions and card management systems handling over R$10 million in monthly transactions with PCI-DSS security standards and external financial integrations.
I create modern web applications using Vue.js and Quasar framework, building administrative backoffices and responsive interfaces for complex business operations with enhanced efficiency.
I develop cross-platform mobile applications using Flutter and Dart, creating fast, reliable, and user-friendly apps for both Android and iOS with seamless backend integration.
I specialize in building high-performance banking systems and BaaS solutions with proven results: APIs handling R$10M+ monthly transactions with <200ms latency, 35% faster deployments through CI/CD automation, and 40% reduction in system failures. Expert in AWS cloud infrastructure, hexagonal architecture, and PCI-DSS security standards. I deliver scalable, production-ready solutions that drive real business impact.
Specialized in developing Card-as-a-Service (CAAS) APIs with hexagonal architecture, managing end-to-end card lifecycles, and building BaaS solutions. Proficient in AWS infrastructure (EC2, RDS, S3, Lambda) with CI/CD pipelines, achieving high-performance systems with PCI-DSS compliance and automated testing that reduced failures by 40%.
Jul 2024 - Present
Adaga Digital
Architecting CAAS API with hexagonal architecture, managing R$10M+ monthly transactions with <200ms latency. Deploying AWS solutions (EC2, RDS, S3, Lambda) with CI/CD via GitHub Actions, reducing deployment time by 35%.
2023 - 2024
Unifique
Managed MySQL and PostgreSQL databases, ensuring data integrity, optimizing queries, and maintaining high availability for enterprise applications.
2023 - 2023
SOS
Analyzed business data, created automated reports, and provided actionable insights to optimize operations and support data-driven decision-making.
Currently pursuing Bachelor's in Software Engineering at University of Contestado (GPA: 9.34/10, expected 2026). Coursework includes Data Structures, Advanced Databases, Software Architecture, Cloud Computing, AI, and Information Security. Complemented with specialized courses in Flutter, React, TypeScript, JavaScript, Vue, Quasar, PHP, and Java from Alura and Udemy.
Jan 2023 - Dec 2026
University of Contestado
GPA: 9.34/10. Key courses: Data Structures, Advanced Databases, Software Architecture, Cloud Computing, AI, Information Security.
2024
Alura & Udemy
Mobile app development with Flutter and modern React patterns for building scalable cross-platform applications.
2024
Udemy
Advanced TypeScript and JavaScript for building type-safe, maintainable applications.
2023
Alura
Modern web development with Vue.js and Quasar framework, plus backend development with PHP and Java.
2017 - 2021
Fisk
Advanced proficiency in reading, writing, and speaking. Native Portuguese, Advanced English, Basic Spanish.
Proficient in PHP, Java, Python, JavaScript, TypeScript, and Dart. Expert in backend frameworks (Laravel, FastAPI), frontend tools (Vue.js, Quasar, React), and mobile development (Flutter). Experienced with AWS cloud services (EC2, S3, Lambda, RDS), Docker containers, CI/CD automation via GitHub Actions, and databases (MySQL, PostgreSQL). Strong foundation in Clean Architecture, hexagonal architecture patterns, and building secure, scalable systems.
Backend-focused Full-Stack Developer specializing in high-performance financial systems and cloud infrastructure. At Adaga Digital, I architect Banking-as-a-Service APIs processing millions in transactions with enterprise-grade security and sub-200ms latency. I combine academic excellence (9.34 GPA in Software Engineering) with hands-on expertise in AWS, hexagonal architecture, and DevOps practices. Fluent in English (C1) and Portuguese (Native), I thrive on solving complex technical challenges and delivering production-ready solutions that exceed business requirements.
Name Lucas Fagundes
Age 21 Years Old
Location Itaiópolis, SC, Brazil
Nationality Brazilian
Experience 2+ Years
Education GPA 9.34/10
Full Time Available
Freelance Available
Email lucas.wfagundes@gmail.com
Languages Portuguese (Native)
English (Advanced C1)
Spanish (Basic)
A social network platform for sharing images and videos with captions, built with FastAPI and Streamlit. Features real-time media processing with ImageKit, JWT authentication, and a modern interactive interface.
FastAPI, Streamlit, SQLAlchemy, ImageKit, JWT
Automated video and audio processing system for generating transcriptions, executive summaries, and action items using AI. Downloads YouTube videos, transcribes with OpenAI Whisper, and analyzes with Google Gemini.
Python, OpenAI Whisper, Google Gemini, FFmpeg
REST API with secure JWT authentication for user and order management. Features OAuth2, SQLAlchemy ORM, Alembic migrations, and an integrated web interface. Clean architecture with best practices.
FastAPI, SQLAlchemy, JWT, OAuth2, Alembic
Intelligent email classification system using NLP to categorize emails as Productive or Unproductive and generate automated responses. Combines sentiment analysis with business rules for workflow optimization.
Flask, TextBlob, NLTK, NLP, PyPDF2
If you have a project in mind or need help with a current project, feel free to contact me. I am available for freelance work and am always looking for new challenges to tackle.
lucas.wfagundes@gmail.com
lucas-fagundes-779216286
Address
Santa Catarina, Itaiópolis
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