Rafael da Silva Santos

Python Backend & DevOps Engineer

Building robust systems and automating cloud infrastructure with Python, AWS, and Azure. Passionate about clean code, testing, and continuous improvement.

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Rafael da Silva Santos

About Me

As a Python-focused Backend and DevOps Engineer with over 3 years of experience, I specialize in building, automating, and deploying resilient systems using Python, AWS, and Azure. My journey into technology started early, evolving into a deep passion for solving complex problems through efficient code and robust infrastructure.

I thrive on bridging the gap between development and operations, leveraging my Python expertise to enhance developer productivity and system reliability. I'm a strong advocate for best practices like clean code, comprehensive testing (especially with pytest), and CI/CD, always aiming for continuous improvement in myself and the teams I work with.

Fluent in English (C1) and experienced in collaborating within global teams, I'm driven to contribute to innovative projects and build scalable, maintainable software solutions.

Technical Skills

Languages & Backend

Python Python
Flask Flask
Django Django
Java Java
Spring Spring
JavaScript JavaScript
TypeScript TypeScript

Databases, Caching & Messaging

mongoDB MongoDB
PostgreSQL PostgreSQL
MySQL MySQL
Redis Redis
RabbitMQ RabbitMQ

Cloud, DevOps & CI/CD

AWS AWS
Azure Azure
Docker Docker
Nginx Nginx
GitLab GitLab CI/CD
Azure DevOps Azure DevOps

Infrastructure as Code (IaC)

Bicep Bicep
Terraform Terraform

Testing & Quality

Pytest Pytest
Junit JUnit
Selenium Selenium
Cypress Cypress
SonarQube SonarQube

Monitoring & Observability

Grafana Grafana
ServiceNow ServiceNow

Source Control & Collaboration

Git Git
GitHub GitHub
GitLab GitLab
Jira Jira
Confluence Confluence

Frontend Familiarity

React React
Angular Angular
TailwindCSS TailwindCSS
HTML HTML5
CSS CSS3

Professional Experience

DBServer

Software Developer (Junior)

Aug 2023 - Apr 2025

  • Transitioned to QA Automation, creating test suites using Python, Selenium, and Behave.
  • Assisted HR with technical interviews for Python and backend roles.

Dell Technologies (via DBServer)

DevOps Support Engineer (L2)

Aug 2024 - Nov 2024

  • Provided L2 production support via ServiceNow, resolving CI/CD and backend service issues for global teams.
  • Triaged and debugged GitLab CI/CD pipeline issues for Python, Java, and TypeScript applications.
  • Maintained Docker images, addressing Snyk vulnerabilities and ensuring pipeline reliability.

Dell Technologies (via DBServer)

DevOps & Python Software Engineer (Junior)

Sep 2023 - Aug 2024

  • Developed backend monitoring systems and RESTful APIs using Python (Flask).
  • Utilized MongoDB for observability data, creating Python automation scripts for data handling via API integration.
  • Championed pytest adoption, mentoring the team and raising test coverage from 0% to ~40% (~80k LOC Python codebase).
  • Engineered a Python scheduling microservice (APScheduler) with 100% test coverage.
  • Led remediation of Snyk vulnerabilities within GitLab CI/CD pipelines.

DBServer

Developer Intern (Full Stack)

Sep 2022 - Aug 2023

  • Developed and unit-tested REST APIs using Java/Spring Boot.
  • Built front-end components (Angular, React, TypeScript) and implemented E2E tests (Cypress).
  • Gained familiarity with Docker and CI/CD pipelines (GitHub, Azure DevOps).

Featured Projects

upmenu.shop Screenshot

upmenu.shop

A deployed multi-lingual e-commerce service for AI-powered image enhancement. Integrates Stripe and Mercado Pago payment APIs.

Tech Stack: Docker, Nginx, Azure VM, JavaScript, TailwindCSS, RESTful APIs

Access the Deployed App - Live

Guia Descarte Certo Pelotas

Static web app solving a community need by centralizing waste disposal info, structured using static JSON data files. Achieved 300+ hits in the first 48 hours.

Tech Stack: Azure Static Web Apps, JavaScript, JSON, HTML/CSS

Access the Deployed App - Live
Guia Descarte Certo Pelotas Screenshot
Aventuras Matemáticas Screenshot

Aventuras Matemáticas

An interactive educational math game for 1st-grade students, aligned with state curriculum requirements and deployed to local schools.

Tech Stack: Azure Static Web Apps, JavaScript, HTML/CSS

Access the Deployed App - Live

Education & Certifications

QI Faculdade & Escola Técnica – Technologist in Internet Systems

Sep 2021 – Dec 2025 (expected)

Focus: development and maintenance of web and mobile systems. Coursework includes Web Programming, Databases, Cloud Computing, and Information Security.

Key topics: IoT · Data Science & Machine Learning · Mobile & Web Services · Cloud Computing

Fundação Universidade Federal do Rio Grande – Bachelor in Computer Engineering

Feb 2014 – Oct 2016 (interrupted)

Completed two years of coursework in Computer Science fundamentals (Algorithms, Linear Algebra, Calculus, Physics, Chemistry). Participated in the Programming Marathon Group (C and Python).

TOFL ITP: 633 (C1)

Ada Tech – DevOps Program (Ser+Tech)

Jun 2023 – Nov 2023

324-hour intensive DevOps course (AWS & Linux focus). Topics included Infrastructure as Code (CloudFormation), Python, PostgreSQL, and Observability with Grafana.

Harvard Business School Online – Business Fundamentals

Nov 2022 – Jan 2023

Short specialization program covering Finance, Marketing, Business Case Development, and Negotiation. (Scholarship recipient).

Técnico+ / Formação Avançada (University of Lisbon) – Digital Business Development

Nov 2022 – Mar 2023

Specialization on digital business strategy, agile management (Scrum, Lean Startup), and product development. (Scholarship recipient).

View Full List of Certifications & Courses on LinkedIn

Get In Touch

I'm currently seeking new opportunities. Feel free to reach out if you'd like to discuss a potential role or collaboration.

contact@rafael.engineer