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Hi, I’m Rochiemar Carson, a Senior Fullstack Engineer with 13+ years of experience building and shipping high-quality SaaS applications. I excel at frontend development with React.js and backend work with Ruby on Rails, and I enjoy solving complex problems with scalable system designs, collaborative cross-functional teams, and a strong focus on quality. My experience spans payments and fintech, PCI DSS compliance, and building reliable APIs that handle millions of transactions. I’m passionate about test-driven development, mentoring, and continuous learning, and I thrive in Agile environments where technical decisions are discussed openly and implemented with care.…Hi, I’m Rochiemar Carson, a Senior Fullstack Engineer with 13+ years of experience building and shipping high-quality SaaS applications. I excel at frontend development with React.js and backend work with Ruby on Rails, and I enjoy solving complex problems with scalable system designs, collaborative cross-functional teams, and a strong focus on quality. My experience spans payments and fintech, PCI DSS compliance, and building reliable APIs that handle millions of transactions. I’m passionate about test-driven development, mentoring, and continuous learning, and I thrive in Agile environments where technical decisions are discussed openly and implemented with care.

Rochiemar Carson

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

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Hi, I’m Rochiemar Carson, a Senior Fullstack Engineer with 13+ years of experience building and shipping high-quality SaaS applications. I excel at frontend development with React.js and backend work with Ruby on Rails, and I enjoy solving complex problems with scalable system designs, collaborative cross-functional teams, and a strong focus on quality. My experience spans payments and fintech, PCI DSS compliance, and building reliable APIs that handle millions of transactions. I’m passionate about test-driven development, mentoring, and continuous learning, and I thrive in Agile environments where technical decisions are discussed openly and implemented with care.…Hi, I’m Rochiemar Carson, a Senior Fullstack Engineer with 13+ years of experience building and shipping high-quality SaaS applications. I excel at frontend development with React.js and backend work with Ruby on Rails, and I enjoy solving complex problems with scalable system designs, collaborative cross-functional teams, and a strong focus on quality. My experience spans payments and fintech, PCI DSS compliance, and building reliable APIs that handle millions of transactions. I’m passionate about test-driven development, mentoring, and continuous learning, and I thrive in Agile environments where technical decisions are discussed openly and implemented with care.

Available to hire

Hi, I’m Rochiemar Carson, a Senior Fullstack Engineer with 13+ years of experience building and shipping high-quality SaaS applications. I excel at frontend development with React.js and backend work with Ruby on Rails, and I enjoy solving complex problems with scalable system designs, collaborative cross-functional teams, and a strong focus on quality.

My experience spans payments and fintech, PCI DSS compliance, and building reliable APIs that handle millions of transactions. I’m passionate about test-driven development, mentoring, and continuous learning, and I thrive in Agile environments where technical decisions are discussed openly and implemented with care.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Fullstack Software Engineer at Zoolatech

September 1, 2025 - September 1, 2025

Embedded within a cross-functional squad to design, develop, and test features for a high-transaction SaaS platform. Led frontend work with React.js and backend APIs with Ruby on Rails. Practiced test-driven development, conducted code reviews, and participated in architecture discussions to ensure scalable, reliable systems. Addressed performance, scalability, and data integrity issues and helped migrate toward TypeScript for maintainability. Delivered APIs handling millions of transactions.

Senior Fullstack Software Engineer at Intersog

May 1, 2022 - May 1, 2022

Worked in a cross-functional, agile product team delivering scalable SaaS solutions for enterprise clients. Built dynamic frontends with React.js and backend services; demonstrated rapid learning across stacks and contributed to architectural decisions to improve performance and data integrity.

Senior Fullstack Software Engineer at ScienceSoft

March 1, 2020 - March 1, 2020

End-to-end design, development, and testing of features for a large-scale SaaS app in a cross-functional squad. Focused on React.js frontend and backend services; participated in architecture discussions, improved performance and data integrity; mentored junior engineers and conducted code reviews.

Senior Fullstack Software Engineer at Paralect

May 1, 2018 - May 1, 2018

Designed, developed, and tested full-stack features for a scalable SaaS platform. Frontend with React.js; backend with Node.js and Python; demonstrated ability to quickly learn Ruby on Rails; contributed to agile planning, code reviews, and architectural discussions; mentored juniors.

Fullstack Software Engineer at Glorium Technologies

December 1, 2014 - December 1, 2014

Contributed to the full software lifecycle for scalable SaaS apps; frontend with React.js; backend in MVC-based frameworks; participated in R&D efforts for security and reliability; mentored peers and collaborated with QA and Customer Care.