Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Ricardo Jose Aranha Wierzynski, a Senior Software Engineer with 15+ years of experience in full-stack web development. I specialize in JavaScript, Node.js, and cloud-based architectures, and I have a proven track record leading development teams, optimizing system performance, and modernizing legacy applications. I thrive in Agile environments, value clear communication, and enjoy mentoring teammates. I enjoy guiding products from concept to deployment and collaborating with cross-functional teams to deliver scalable, reliable software.…Hi, I’m Ricardo Jose Aranha Wierzynski, a Senior Software Engineer with 15+ years of experience in full-stack web development. I specialize in JavaScript, Node.js, and cloud-based architectures, and I have a proven track record leading development teams, optimizing system performance, and modernizing legacy applications. I thrive in Agile environments, value clear communication, and enjoy mentoring teammates. I enjoy guiding products from concept to deployment and collaborating with cross-functional teams to deliver scalable, reliable software.

Ricardo Jose Aranha Wierzynski

Full Stack Developer, Web Developer, Back-End Developer, +2





Hi, I’m Ricardo Jose Aranha Wierzynski, a Senior Software Engineer with 15+ years of experience in full-stack web development. I specialize in JavaScript, Node.js, and cloud-based architectures, and I have a proven track record leading development teams, optimizing system performance, and modernizing legacy applications. I thrive in Agile environments, value clear communication, and enjoy mentoring teammates. I enjoy guiding products from concept to deployment and collaborating with cross-functional teams to deliver scalable, reliable software.…Hi, I’m Ricardo Jose Aranha Wierzynski, a Senior Software Engineer with 15+ years of experience in full-stack web development. I specialize in JavaScript, Node.js, and cloud-based architectures, and I have a proven track record leading development teams, optimizing system performance, and modernizing legacy applications. I thrive in Agile environments, value clear communication, and enjoy mentoring teammates. I enjoy guiding products from concept to deployment and collaborating with cross-functional teams to deliver scalable, reliable software.

Available to hire

Hi, I’m Ricardo Jose Aranha Wierzynski, a Senior Software Engineer with 15+ years of experience in full-stack web development. I specialize in JavaScript, Node.js, and cloud-based architectures, and I have a proven track record leading development teams, optimizing system performance, and modernizing legacy applications.

I thrive in Agile environments, value clear communication, and enjoy mentoring teammates. I enjoy guiding products from concept to deployment and collaborating with cross-functional teams to deliver scalable, reliable software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Software Engineer at Curbwaste

September 1, 2024 - Present

Building scalable Node.js applications with PostgreSQL and AWS; designed and maintained backend services, APIs, and data pipelines; migrated legacy systems to modern JavaScript frameworks (React, Node.js) using Material UI and AntD; improved infrastructure performance and documentation practices.

Software Engineer at BairesDev

July 1, 2024 - September 24, 2025

Built full-stack applications using Node.js, GraphQL, and React; designed performant GraphQL APIs to enhance user experiences across devices; collaborated with UI/UX teams using Material UI and improved app performance.

Fullstack Developer / Tech Lead at Wiseberry

June 1, 2023 - September 24, 2025

Led full-stack projects using PHP, Node.js, Express.js, and MySQL; developed real-time features and serverless functions with AWS Lambda; migrated monolithic systems to modular JavaScript architectures; managed AWS accounts including billing and technical configuration.

Fullstack Developer at Facta Financeira

June 1, 2021 - September 24, 2025

Migrated legacy PHP system to Laravel; modernized internal tools using React and Node.js; developed mobile app using React Native; introduced microservices and secure API designs; mentored junior devs in modern JavaScript practices.