Roney de Oliveira

TARGET ROLE
Software Engineer | Backend | Frontend | DevOps | Golang | Node.js | React

Professional Summary

Software engineer with hands-on experience building web applications, APIs, and production microservices across backend, frontend, and DevOps workflows.

Mainly works with Go, PostgreSQL, Node.js, and React, along with cloud platforms, containers, and service-oriented architecture.

Strong focus on simple, scalable, and maintainable code, with continuous interest in performance, concurrency, and distributed systems.

Technical Skills

Languages

  • Go
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  • TypeScript
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  • JavaScript
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  • PHP
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  • C
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  • C++
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Backend & Architecture

  • Microservices
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  • REST APIs
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  • Gin
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  • Service modeling
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  • Contract evolution
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  • Automated testing
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  • Secure development practices
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  • Code review
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Cloud & Operations

  • AWS Lambda
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  • Amazon S3
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  • Amazon RDS
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  • AWS CloudFormation
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  • AWS Rekognition
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  • Google Cloud Platform
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  • BigQuery
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  • Pub/Sub
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  • Vertex AI
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  • Cloud Run
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  • Observability
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  • Production troubleshooting
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  • DevOps practices
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Systems / Data / Platform

  • Asynchronous communication
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  • Resilience
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  • Scalability
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  • Fault tolerance
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  • PostgreSQL
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  • MongoDB
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  • Prisma
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  • Data modeling
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  • Query optimization
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  • Linux
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  • Service networking fundamentals
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  • Docker
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  • Kubernetes
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  • Knative (service deployment and configuration)
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  • CI/CD with GitHub Actions
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  • Infrastructure as Code (Terraform)
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  • GitHub, GitLab, Jira, and Bash
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Professional Experience

Senior Software Engineer (Full-time)

e-didatico

Jul/2024 - May/2026 · Remote

  • Worked end-to-end across the engineering lifecycle, building and operating backend solutions in cloud environments (AWS and GCP).
  • Applied DevOps and agile practices to deliver stable, efficient, and high-value releases.
  • Contributed to microservices-based systems, operational reliability, and continuous platform evolution.

Mid-Level Software Engineer (Full-time)

e-didatico

Jan/2022 - Jul/2024 · Londrina, Parana, Brazil

  • Worked with autonomy and strong system ownership to implement new features.
  • Handled bug fixes and evolutionary maintenance in production environments.
  • Built backend services with Node.js and PostgreSQL to support continuous product delivery.

Junior Software Engineer (Full-time)

e-didatico

Jul/2021 - Jan/2022 · Londrina, Parana, Brazil

  • Developed new features and fixed software defects.
  • Supported delivery cycles with focus on quality and product stability.

Helpdesk Analyst (Self-employed)

e-didatico

Mar/2021 - Jul/2021 · Brasilia and Region

  • Provided support to students during online exam operations.
  • Helped ensure service continuity and operational quality.

Full Stack Developer (Full-time)

Early Denver

Dec/2018 - Dec/2019 · Brasilia, DF, Brazil (Remote)

  • Worked on full stack web feature development.
  • Used Node.js, React.js, and PostgreSQL in product delivery workflows.
  • Collaborated remotely with the team to continuously evolve the application.

Junior Software Developer (Full-time)

StutzLab

Jan/2018 - Nov/2018 · Sao Paulo, SP, Brazil (Remote)

  • Developed software features for web applications.
  • Worked with PHP, JavaScript, MySQL, HTML, and CSS to implement UI flows and business rules.
  • Used Bootstrap to standardize interface components and improve frontend delivery speed.

Web Developer (Full-time)

Self-Employed

Nov/2010 - Dec/2017 · Remote

  • Built independent projects with HTML, CSS, PHP, MySQL, and Nginx.
  • Monetized digital products and content through Google AdSense.

Selected Projects

bilingual resume website / roneyrogerio.dev

Personal project
Repository: https://github.com/roneyrogerio/curriculum

  • Built a bilingual resume website in Astro 5 with Markdown content, CSS styling, and static generation focused on readability, PDF printing, and ATS compatibility.
  • Organized the project with Portuguese and English routes, a shared layout, versioned content, and a structure optimized for static publishing.
  • Main stack: Astro, TypeScript, Markdown, CSS, Node.js 20, Docker, unprivileged NGINX, GitHub Actions, GHCR, Kubernetes, and Knative.
  • Implemented automated deployment through GitHub Actions on pushes to main, building and publishing a multi-architecture image (linux/amd64 and linux/arm64) to GitHub Container Registry.
  • Used a multi-stage container delivery model: application build on node:20-alpine and static asset serving through nginxinc/nginx-unprivileged:1.27-alpine on port 8080.
  • Runs as a Knative Service on top of Kubernetes (Oracle Kubernetes Engine), with a dedicated namespace, GHCR pull secret, and custom domain mapping for roneyrogerio.dev.
  • Team and ownership: solo project covering architecture, implementation, visual design, containerization, CI/CD, and deployment configuration.

minishell (C)

Associated with 42 Sao Paulo
Repository: https://github.com/roneyrogerio/minishell

  • Implemented a Linux shell in C using system calls only, without relying on lexer libraries.
  • Added support for multiple commands, single and double quotes, character escaping, pipelines, and redirections (<, > and >>).
  • Implemented built-ins (echo, cd, pwd, export, unset, env, exit), signals (ctrl-C, ctrl-D, ctrl-\\), and environment variables.

cub3D (C)

Associated with 42 Sao Paulo
Repository: https://github.com/roneyrogerio/cub3D

  • Implemented a pseudo-3D engine using raycasting techniques.
  • Applied math and rendering concepts for real-time simulation.

raycast-engine (C)

Associated with 42 Sao Paulo
Repository: https://github.com/roneyrogerio/raycast-engine

  • Built a library focused on raycasting primitives and engine foundations.

  • Emphasized modular architecture and component reuse.

  • Additional 42 Sao Paulo technical projects: ft_services (systems and network administration), libasm (Assembly), ft_server (Docker), get_next_line, ft_printf, and libft.

Education

  • UNOPAR - Universidade Norte do Parana (Technology Degree in Systems Analysis and Development): Jan/2022 - Dec/2023 (grade 9.5)
  • 42 Sao Paulo (Technical Education in Software Engineering): 2020 - 2021

Certifications

  • Programming with Google Go Specialization (University of California, Irvine): issued in May/2026 (credential: 2UUQCPO9MST7)

  • Concurrency in Go (University of California, Irvine): issued in May/2026 (credential: M2EKXK59LHYI)

  • Functions, Methods, and Interfaces in Go (University of California, Irvine): issued in May/2026 (credential: WIEGNHPO8TBM)

  • Getting Started with Go (University of California, Irvine): issued in May/2026 (credential: KFGD3IF75I0Q)

  • Electronic Law: 60 hours, 2nd semester of 2023

  • Data Structures in Python: 10 hours, 1st semester of 2023

  • Introduction to Data Analysis with Python: 15 hours, 1st semester of 2023

  • Introduction to Python Language: 15 hours, 1st semester of 2023

  • Management Models: 60 hours, 2nd semester of 2023

  • Information Technologies Applied to Law: 60 hours, 2nd semester of 2023

Languages

  • Portuguese: Native
  • English: Basic (A2)

ATS Keywords

Senior Software Engineer, Backend Engineer, Go, Golang, Microservices, Cloud, AWS Lambda, Amazon S3, Amazon RDS, AWS CloudFormation, AWS Rekognition, Google Cloud Platform, BigQuery, Pub/Sub, Vertex AI, Cloud Run, Distributed Systems, Scalability, High Availability, Reliability, Linux, Docker, Kubernetes, Knative, Terraform, SQL, NoSQL, PostgreSQL, MongoDB, Prisma, REST APIs, CI/CD, DevOps, Scrum.