Summary
Overview
Work History
Education
Skills
Languages
Websites
Timeline
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Tomas Rezende

Uberlandia - MG

Summary

Experienced Backend Engineer with over 8 years of expertise in leading migrations and driving technological innovation within award-winning startups. Specializes in Python and Django for scalable architecture design and CI/CD pipeline implementation. Adept at managing projects end-to-end and collaborating with cross-functional teams to deliver high-quality solutions.

Overview

10
10
years of professional experience

Work History

Backend Lead

BairesDev - Project 3
01.2024 - 08.2025
  • Spearheaded modernization of e-commerce platform from Python 2 and Django 1.6 to Python 3.11 and Django 5.0, modernizing architecture and improving maintainability
  • Orchestrated transition from Django templates to React/Next.js, enabling decoupled and scalable architecture with RESTful API.
  • Integrated AWS services including SQS, S3, and CloudWatch for messaging, storage, and monitoring
  • Implemented infrastructure automation using AWS CloudFormation, ensuring reproducible, scalable, and maintainable deployments
  • Coordinated cross-functional team collaboration, improving code quality and adherence to best practices.
  • Refactored legacy code, standardized patterns, and enforced coding standards to improve performance, security, and scalability
  • Collaborated with decentralized team from all over the world (common language English)

Python Engineer

BairesDev - Project 2
10.2023 - 12.2023
  • Developed a proof of concept (POC) using Python, PyTorch, and Hugging Face to analyze and cluster technical papers on modern software technologies
  • Implemented web scraping pipelines with Scrapy and BeautifulSoup to extract and preprocess unstructured text from documents
  • Applied NLP techniques and embeddings to group related papers, detect similarities, and eliminate duplicated content
  • Automated the aggregation of clustered documents into unified summaries, demonstrating the feasibility of AI-driven text analysis for the client

Backend Engineer

BairesDev - Project 1
05.2023 - 10.2023
  • Modernized and optimized a web application for a travel agency, improving performance, scalability, and user experience
  • Led the migration of a monolithic Django backend to a microservices architecture using Flask
  • Designed and maintained PostgreSQL databases
  • Implemented caching solutions with Redis to reduce latency
  • Built an event-driven architecture leveraging AWS services (SQS, EventBridge, Lambda) for scalable and decoupled workflows.
  • Refactored and standardized codebase for performance and maintainability, enforcing quality with Pylint and Flake8
  • Designed automated tests using pytest and Django's unittest
  • Automated CI/CD pipelines with Kubernetes and GitHub Actions for reliable, zero-downtime deployments
  • Collaborated with decentralized team from all over the world (common language English)

Senior Software Engineer

2ndMarket
09.2022 - 05.2023
  • Worked with Python and FastAPI to develop a cryptocurrency exchange platform
  • Coordinated with product managers to define and establish project requirements and specifications
  • Orchestrated platform development through Microservices architecture implementation
  • Developed multithreading services using Celery and AWS SQS
  • Gained hands-on experience with blockchain technologies and trade engines, focusing on secure transactions, high-throughput systems, and integration with distributed ledger solutions
  • Managed and administered PostgreSQL databases, implementing schemas, migrations, and optimizations using SQLAlchemy and Alembic
  • Developed automated unit and integration tests to ensure system reliability
  • Established and maintained CI/CD pipelines using Github Actions to automate testing and deployment processes, enhancing operational efficiency

Full Stack Web Developer

Solyd
01.2018 - 09.2022
  • Developed an online course platform from scratch, achieving exponential growth and reaching 1 million registered students in 4 years
  • Built the platform using Django (Python), with MySQL, Javascript and Vue.js (javascript framework)
  • Implemented integrations with many AWS services including SQS, SNS, SES, S3 and Glacier
  • Integrated the platform with serverless computing using AWS Lambda.
  • Worked with a cybersecurity and pentest team for best practices in secure development and vulnerability prevention
  • Created extensive automated tests for Django to ensure reliability of the platform
  • Trained and supervised a team of IT Trainees
  • Monitored and evaluated all systems to optimize efficiency and security

IT Trainee

guardSI
01.2016 - 12.2017
  • Developed and maintained web applications using Python, PHP, Django, Laravel, HTML5, CSS3, JavaScript, jQuery, and SQL
  • Built RESTful web services using PHP and the Laravel framework.
  • Wrote unit tests to maintain code quality and functionality across projects
  • Evaluated existing cybersecurity measures for efficiency against emerging threats
  • Maintained up-to-date knowledge regarding the latest trends in cybersecurity threats by attending conferences and reading industry publications

Education

Bachelor of Science - Computer Science

Universidade Federal De Uberlandia (UFU)
Uberlandia, MG - Brazil
01-2019

High School Diploma -

Student Exchange Program By AFS
Tyler, Texas - USA
07-2011

Skills

  • Web development (Python, Django, FastAPI, Flask, Larvel)
  • RESTful API development
  • AWS integration (SQS, S3, SNS, CoudWatch, Lambda)
  • Database management (Postgre, MySQL, DynamoDB)
  • CI/CD practices (Docker, GitHub Actions, Kubernetes)
  • Agile methodologies (Scrum, Kanban)

Languages

Portuguese
First Language
English
Proficient (C2)
C2

Timeline

Backend Lead

BairesDev - Project 3
01.2024 - 08.2025

Python Engineer

BairesDev - Project 2
10.2023 - 12.2023

Backend Engineer

BairesDev - Project 1
05.2023 - 10.2023

Senior Software Engineer

2ndMarket
09.2022 - 05.2023

Full Stack Web Developer

Solyd
01.2018 - 09.2022

IT Trainee

guardSI
01.2016 - 12.2017

Bachelor of Science - Computer Science

Universidade Federal De Uberlandia (UFU)

High School Diploma -

Student Exchange Program By AFS

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Tomas Rezende