JeffSC

Jefferson Silva Caires
Full-Stack Developer

About Me

I am a Full-Stack professional experienced in Front-end technologies (Vue and Astro), Back-end (NodeJS and Python), Databases (PostgreSQL and MySQL), and AWS Cloud, holding two certifications (AWS AI Practitioner and AWS Cloud Practitioner).

I enjoy seeking new challenges and learning new technologies while building something new.

I am always looking for constant improvement, participating in communities and technology events to keep up to date with the best practices in the market.

My goal is to create impactful solutions that solve real problems and improve people's lives through technology.

Experience

2025 • 6 months

Compass UOL

AI Intern | Remote

  • Experience in agile methodologies (Scrum/Kanban) using Jira for delivery management.
  • Creation of a Legal Chatbot with Generative AI using LangChain, RAG architecture, and AWS Bedrock.
  • Development of a Serverless API in Python (AWS Lambda) for automated invoice reading (OCR).
  • Standardization of development and production environments using Docker.
2024 • 6 months

Informatech

IT Intern | On-site

  • Setup and on-site deployment of workstations and equipment at client sites.
  • Preventive and corrective hardware maintenance (diagnosis, replacements, and upgrades).
  • Level 1 Technical Support focused on resolving software and network issues.
  • Management and control of IT inventory, monitoring assets and peripherals.

Technologies

Certifications

AWS Cloud Practitioner

AWS Cloud Practitioner

AWS AI Practitioner

AWS AI Practitioner

Main Stack

Vuejs
Tailwind
Python
Django
Postgresql
AWS
Docker

Experience

Nodejs
Mysql
Nginx
Jupyter
Astro
Linux
React

Testimonials

Aloisio Souza Gonçalves

Aloisio Souza Gonçalves

Scrum Master

I value professionals who facilitate workflow, and Jefferson fits this profile perfectly.

He is a highly organized developer, which brings predictability and clarity to the activities he takes on.

Beyond technical mastery, he has excellent adaptability.

In situations of scope change or sudden incidents, he acts with intelligence and agility, keeping focus on problem resolution.

His work ethic and integrity make him a reliable and collaborative team member.

I strongly recommend his work.

Patrick Monteiro

Patrick Monteiro

Vue.js Specialist | Senior Front-end

I met Jefferson at a hackathon event in Blumenau, which already shows a great interest in networking and challenging himself in the tech world.

He has excellent knowledge of programming logic to solve problems, showed excellent mastery in Python, databases, Docker, among other needs we had in the challenge.

I am sure he will be an exemplary professional wherever he goes, I highly recommend him!

Lucas Franco da Silva

Lucas Franco da Silva

Software Developer

He is an extremely committed, organized, and collaborative person.

He always demonstrates willingness to help the group and seek the best solutions.

Professionally, Jeff is dedicated, responsible, and has an incredible ease in communicating and working in a team.

Bruno Utiyama

Bruno Utiyama

Professor / Engineer

I had the pleasure of following Jefferson during his academic journey and saw his growth and dedication up close.

He stood out for his intellectual curiosity, ability to learn quickly, and apply knowledge in a practical and relevant way.

At all times, he demonstrated a collaborative posture, with excellent communication and team spirit.

Jefferson is proactive and has a strong results orientation — qualities that make him prepared to face new challenges and generate positive impact in any professional environment.

Furthermore, he shows integrity, ethics, and a desire to make a difference.

I have full confidence that Jefferson will continue building a successful trajectory and I recommend him with enthusiasm for new opportunities where he can apply his talent.

Projects

Vuejs Tailwind DaisyUI PostgreSQL Python Django Docker Nginx AWS EC2 AWS CloudFront AWS Route53 AWS CloudFront AWS S3

GoldenPark - Pet Tag

GoldenParkTag is a pet identification system via QR Code. The application links physical tags to digital profiles, allowing public viewing of pet data and contact via WhatsApp, plus an admin panel for owners to manage their animals.

Python AWS Lambda AWS Textract AWS Bedrock AWS API Gateway AWS S3 Docker

Extractor - Invoice API

A Serverless API developed in Python to automate the extraction and structuring of electronic invoice (NF-e) data from images.

Python RAG langchain Telegram API AWS EC2 AWS Transcribe AWS Bedrock

Themis - Legal Chatbot

A legal chatbot built with RAG, LangChain, Telegram API, AWS Transcribe, and AWS Bedrock.

YOLO OpenCV Python LeRobot

Mikael - LeRobot

A robotic hand that plays UNO, developed with Python, YOLO, and OpenCV.

Astro Tailwind i18n TypeScript AWS S3 AWS Route53 AWS CloudFront

Portfolio/Blog

My personal portfolio, where I share projects and experiences.

More projects on my GitHub

Github