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Ycaro Pires

Full-Stack Software Engineer

Fortaleza/CE, Brasil
+55 (85) 98982-8279

Summary

Backend Software Engineer with 3+ years of experience using Ruby and Ruby on Rails in production, building scalable, high-availability systems and API-driven services. Strong background in system integrations, background job processing, and CI/CD environments, with solid knowledge of OOP and SOLID principles. Experience integrating AI-powered solutions via external APIs, applying AI to automate workflows and improve productivity.

Professional Experience

Mid-level Software Engineer

Coreplan
  • Took ownership of mission-critical system integrations, including a strategic integration with the DJE (Diario da Justica Eletronica), enabling a new official communication channel between the platform and judicial systems, expanding product capabilities and increasing institutional adoption.
  • Acted as a key contributor in cross-team collaborations (engineering, product, and business), aligning technical decisions with legal and operational requirements to ensure compliance, reliability, and long-term maintainability.
  • Designed and implemented robust integration flows with external judicial services, improving data consistency, traceability, and delivery speed of legal communications for public-sector clients.
  • Proactively identified system limitations and proposed architectural and process improvements that reduced operational friction, mitigated production risks, and supported scalable growth across multiple State Attorney General Offices.
  • Served as a technical reference for complex features and integrations, supporting teammates through code reviews, technical discussions, and solution design, increasing overall team efficiency and delivery confidence.
  • Contributed directly to business continuity and revenue protection by ensuring high availability of critical features, monitoring production behavior, and responding quickly to high-impact incidents.
  • Participated in the integration of an AI-powered solution using external APIs and backend services, working on flow orchestration, data handling, and response validation for use in an enterprise environment.
  • Worked with high-availability systems, monitoring production behavior and supporting CI/CD-driven deployments.

Junior Software Developer

Coreplan
  • Designed and implemented new features for the State Attorney General Offices of Mato Grosso, Distrito Federal, Espirito Santo, and Maranhao, improving operational efficiency across multiple government entities.
  • Enhanced core products using Ruby on Rails, JavaScript (jQuery), Bootstrap, and PostgreSQL — leading to improved system performance and user satisfaction.
  • Integrated third-party APIs and delivered critical updates, including high-priority hotfixes and fast rollouts, reducing downtime and accelerating delivery for clients.
  • Monitored, maintained, and debugged applications in production environments, ensuring stability and seamless functionality for thousands of end-users.
  • Led front-end development on strategic side projects such as the Conciliation Portal, working within a microservices architecture and also contributing to back-end services using Ruby on Rails. Delivered responsive and accessible web applications with React.js and Next.js.
  • Experience working with automated tests and maintaining testable, well-structured codebases.

Intern Software Developer

Coreplan
  • Implemented new features and maintained code in CorePlan's SPA, focusing on performance optimization and bug resolution to enhance overall product stability.
  • Collaborated with the dedicated team for PGE-MT, applying skills in Ruby, Ruby on Rails, PostgreSQL, and JavaScript to deliver functional improvements in a fast-paced, agile environment.

Education

B.S. in Systems Analysis and Development

University Estacio de Sa — Fortaleza, Brazil

Technical Skills

Backend

Ruby Ruby on Rails PostgreSQL SQL Sidekiq Node.js Background Job Processing

Frontend

JavaScript React.js Next.js HTML5 CSS

Tools & Practices

Git CI/CD AI API Integration Postman OOP / SOLID

Languages

Portuguese (Native) English (Fluent) Spanish (Basic)

Courses & Training

Ruby on Rails 5.x

Udemy

Comprehensive Ruby on Rails course focused on MVC design pattern and practical implementation for building scalable web applications, emphasizing best practices, code organization, and application architecture.

Modern Web Development with Javascript

Udemy

ES6+ JavaScript, HTML, CSS, React, relational and non-relational databases. Multiple hands-on projects building dynamic, responsive web applications.

Speed Training — Business Management

Speed Training, Fortaleza

Five modules: Administrative Management, People Management with Leadership, Corporate Communication and Marketing, Entrepreneurship, and Business Simulation.

Accomplishments

Santander Tech Scholarship

Santander & DIO — Fortaleza, Brazil

Awarded and successfully completed a competitive scholarship program for an intensive Java + AngularJS Full-Stack Bootcamp. Emphasized hands-on experience in enterprise-level application development, covering both front-end and back-end technologies, best practices, and modern software engineering principles.

Interested in working together? Let's talk.

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