10/16/2025 updated
JJ
100 % available
Senior Full Stack Developer
Pittsburgh, USA
Worldwide
Bachelor’s Degree in Computer Science, The Pennsylvania State UniversityAbout me
Experienced React.js developer skilled in JavaScript/TypeScript, SPA development, Redux/Context API, API integration, responsive UI, unit testing, and performance optimization. Delivered scalable web apps in edtech, finance, and SaaS.
JavaScriptApplication Programming Interfaces (APIs)ArchitectureEducational TechnologiesServicio al ClienteSoftware as a ServiceContinuous IntegrationDebuggingFinancesPython (Programming Language)Node.jsPerformance TuningResponsive Web DesignTypeScriptWeb Applications
I am an experienced software developer specializing in React.js, JavaScript/TypeScript, and front-end architecture. I have extensive experience building single-page applications, responsive web interfaces, and custom component libraries. My expertise includes state management (Redux, Context API), API integration (REST, GraphQL), and performance optimization.
I am also skilled in class-based and functional React components, unit and integration testing (Jest, React Testing Library), and collaborating with cross-functional teams to deliver high-quality software on time. I have worked in agile environments across industries including edtech, finance, and SaaS, and I am proficient with Git, CI/CD workflows, and debugging complex applications.
I focus on writing clean, maintainable code and delivering intuitive user experiences, helping clients achieve scalable and efficient solutions for their web applications.
Languages
EnglishNative speaker
Project history
- Lead the development of web and mobile applications using React, React Native, Next.js, and TypeScript to create scalable solutions.
- Built responsive and high-performance user interfaces with Tailwind CSS and integrated back-end services using Node and GraphQL.
- Developed cloud-based applications with AWS services like Lambda, S3, and DynamoDB for scalability and cost efficiency.
- Deployed containerized applications using Docker, streamlining workflows and ensuring smooth CI/CD pipelines.
- Directed the creation of a corporate website for FlashGrid, delivering a scalable and user-friendly.
- Followed best practices, including code reviews, automated testing, and continuous integration, to maintain high-quality standards.
- Worked closely with designers, QA, and product managers to deliver features and projects on time.
- Designed and developed customer-focused applications on Salesforce's cloud platform, ensuring high performance and scalability for enterprise clients.
- Built full-stack solutions using React, Node.js, and TypeScript, enhancing user interfaces and back-end functionality for various business applications.
- Collaborated on integrating Slack and Salesforce tools to improve workplace collaboration and productivity for clients.
- Worked on marketing automation and customer service tools, delivering features that streamlined operations and improved customer experiences.
- Optimized cloud-based services for cost efficiency, reliability, and performance using AWS and Salesforce's native tools.
- Developed web and mobile applications using React, React Native, Node.js, and TypeScript, delivering scalable and maintainable solutions for clients.
- Designed and implemented back-end APIs with Node.js, integrating MongoDB and PostgreSQL for efficient data storage and retrieval.
- Built user-friendly interfaces and ensured seamless functionality across platforms.
- Utilized tools like Git, Docker, and Jira to manage source control, containerized deployments, and project tracking effectively.
- Participated in code reviews, testing, and CI/CD processes to ensure code quality and smooth deployments.