Raphael Douglas
Raphael Douglas

Senior Software Engineer

Actively looking · Member since 31 Jul 2026
Message
Location
Belo Horizonte, Brazil
Desired salary
6000–8000 USD/monthly
Work preference
Remote Only / Full Time
Experience level
Senior

About

Professional summary

I am a Senior Software Engineer with over nine years of experience building scalable and efficient web, mobile, and backend applications.

I specialize in modernizing legacy systems, designing maintainable architectures, and delivering reliable software across diverse technology stacks.

I have led the development of applications using JavaScript, TypeScript, React, React Native, Next.js, Node.js, Go, PHP, and Laravel.

I apply SOLID principles, Clean Code, Design Patterns, Test-Driven Development, unit testing, and integration testing to create scalable and long-lasting software.

I have led enterprise identity integrations, developed shared OAuth2 and JWT authentication platforms, and contributed to efforts that resulted in ISO 27001 certification.

I also have experience with cloud infrastructure, containers, CI/CD, mobile application publication, real-time features, biometric authentication, and scalable AWS-based systems.

Notice period: Immediately

Skills

38 capabilities

Tech stack & tools

Working toolkit

Application Hosting

Data Stores

Design

Development

Libraries

Experience

Career history

Senior Software Engineer Clever Advertising

Led the integration with Microsoft Entra ID, establishing enterprise-grade identity federation and supporting the organization's ISO 27001 certification efforts.

Architected and developed clever-auth, a shared OAuth2 and JWT authentication platform adopted across PHP and Go services. Led the migration of legacy PHP applications to Go, improving platform maintainability, scalability, and long-term performance. Worked with Go, PHP, Laravel, Phalcon, React.js, Kubernetes, Docker, TDD, Spec-Driven Development, Redis, MySQL, and AWS services.

Principal Software Engineer Seedz

Responsible for implementing new requirements and maintaining the continuous evolution of the company's ERP and social network web and mobile platform.

Applied SOLID principles, Clean Code, Design Patterns, and unit and integration testing to build scalable, maintainable, and long-lasting software. Worked with React Native, Context API, Zustand, Storybook, CodePush, Next.js, Node.js, MySQL, Firebase, Docker, and CI/CD with GitHub Actions.

Senior Software Engineer Geral Geek

Led and implemented the entire web and mobile application project for a marketplace, including deployment to Google Play and the App Store while following publication guidelines.

The application generated 45% of the company's revenue compared with the web application. Worked with React Native, Redux, OTA updates, OneSignal push notifications, real-time features, SSO login, biometric authentication, Laravel, React.js, AWS S3, SQS, RDS, Lambda, and Docker.

Education

Learning history

Centro Universitário UNA

Bachelor's Degree, System Development

FIAP

Specialization, Software Architecture

This professional hasn’t added portfolio projects yet.

This professional hasn’t listed any services yet.

Jobs Talent Salaries
Menu