Matheus Fernandes

Software Engineer
EMAIL: matheusvinicius7000@gmail.com
GITHUB: orpheustaken

Summary

Software Engineer specializing in backend and distributed systems, with experience building high-throughput data pipelines, API platforms, and automation frameworks. Proven track record improving system reliability, observability, and test coverage in production environments. Strong background in REST APIs, event-driven architectures, and cloud-native systems (AWS, Kubernetes, Kafka). Experienced in API automation, data validation, and monitoring (Postman, Datadog), with a focus on performance, scalability, and developer productivity. Contributor to open-source projects involving C/C++ and low-level systems.

Experience

May 2025

Software Engineer

AgileEngine

Software Engineer working on a lead generation platform for a global enterprise client, focusing on API automation, webhook-based data ingestion, and system observability.

  • Designed and maintained webhook-based ingestion pipelines handling high-volume lead data from multiple social media platforms.
  • Implemented automated REST API testing using Postman and JavaScript, reducing regression issues and improving release confidence.
  • Performed data validation and integrity checks to ensure accuracy across distributed systems.
  • Monitored production systems using Datadog (logs, metrics, dashboards), enabling faster anomaly detection and incident response.
  • Improved system observability and contributed to performance and reliability enhancements in production environments.
  • Participated in code reviews (Pull Requests), promoting clean code, consistency, and best practices.
  • Collaborated in an Agile/Scrum workflow with a small engineering team.
  • Continuously improved API reliability, data quality, and overall system robustness.
  • Stacks used: Java, JavaScript, REST APIs, Webhooks, Postman, Datadog.
Sep 2022 - May 2025

Software Engineer

WEX

Engineered backend, testing, and automation solutions for a high-throughput financial platform processing millions of transactions per day.

  • Improved reliability and performance across distributed microservices handling high-volume financial data.
  • Designed and maintained GitHub Actions pipelines, reducing CI/CD execution time and improving deployment reliability.
  • Created Python and Robot Framework test tooling adopted across multiple teams, reducing regression cycle time and increasing developer throughput.
  • Developed Kafka-based applications using Avro schemas for serialization and validation across services.
  • Led automation and integration initiatives across microservice ecosystems, improving coverage and reducing manual QA workload.
  • Collaborated with platform, SRE, and application teams to deliver mission-critical features.
  • Implemented contract-testing prototypes using Pact and GitHub Actions.
  • Stacks used: Python, Java, Kafka, Docker, Kubernetes (EKS), AWS (EC2/EKS), TestNG, Robot Framework, GitHub Actions, ArgoCD.
Dec 2021 - Sep 2022

Software Development Engineer in Test

Softplan

Built test automation suites and testing infrastructure for enterprise systems, focusing on reliability and maintainability.

  • Developed automated regression tests using Robot Framework.
  • Implemented image-based testing for legacy Delphi systems using Python (PyAutoGUI + Pillow).
  • Provisioned test environments using Ansible on OpenStack and integrated them with GitLab CI.
Jun 2021 - Dec 2021

Software QA Engineer

Stefanini Group

Performed QA engineering and test automation for large-scale enterprise systems.

  • Developed automated tests using Selenium (Java), Appium, and Cypress.
  • Worked in Scrum/Kanban workflows ensuring system quality and delivery.
Jun 2020 - Jan 2021

Graphic Designer

Confia Design

Co-founded a small design studio focused on branding, visual identity, and marketing materials.

Feb 2020 - Jan 2021

Student Internship

TJDFT

Digitized and registered court case documents for the Federal District Court of Justice.

Education

Aug 2022 - Aug 2026

Universidade Católica de Brasília

Bachelor's degree in Computer Science
Jan 2020 - Jan 2021

Harvard University — CS50

Certificate in Introduction to Computer Science
Jan 2019 - Jan 2020

Senac DF

Certificate in Mechatronics, Robotics, and Automation

Projects

Jun 2024 - Jul 2024
Jan 2024 - Jun 2024
Jun 2020 - Dec 2023
Feb 2021 - Aug 2021
Apr 2021 - Jul 2021