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I am a Senior React Full Stack Engineer with 6+ years of experience delivering high-performance web applications, scalable APIs, and end-to-end solutions. I specialize in React.js, Redux, TypeScript, Node.js, and C#/NET backend development, with strong knowledge of RESTful APIs, SQL/NoSQL databases, and cloud deployment. I’m passionate about building intuitive UI/UX, optimizing performance, practicing TDD and Agile methods, and collaborating with cross-functional teams to deliver maintainable, scalable software. I’ve led projects that include real-time dashboards, API ecosystems, and microservices, and I enjoy mentoring junior engineers and partnering with product owners to turn business requirements into solid software solutions.…I am a Senior React Full Stack Engineer with 6+ years of experience delivering high-performance web applications, scalable APIs, and end-to-end solutions. I specialize in React.js, Redux, TypeScript, Node.js, and C#/NET backend development, with strong knowledge of RESTful APIs, SQL/NoSQL databases, and cloud deployment. I’m passionate about building intuitive UI/UX, optimizing performance, practicing TDD and Agile methods, and collaborating with cross-functional teams to deliver maintainable, scalable software. I’ve led projects that include real-time dashboards, API ecosystems, and microservices, and I enjoy mentoring junior engineers and partnering with product owners to turn business requirements into solid software solutions.

Onkar Kulkarni

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

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I am a Senior React Full Stack Engineer with 6+ years of experience delivering high-performance web applications, scalable APIs, and end-to-end solutions. I specialize in React.js, Redux, TypeScript, Node.js, and C#/NET backend development, with strong knowledge of RESTful APIs, SQL/NoSQL databases, and cloud deployment. I’m passionate about building intuitive UI/UX, optimizing performance, practicing TDD and Agile methods, and collaborating with cross-functional teams to deliver maintainable, scalable software. I’ve led projects that include real-time dashboards, API ecosystems, and microservices, and I enjoy mentoring junior engineers and partnering with product owners to turn business requirements into solid software solutions.…I am a Senior React Full Stack Engineer with 6+ years of experience delivering high-performance web applications, scalable APIs, and end-to-end solutions. I specialize in React.js, Redux, TypeScript, Node.js, and C#/NET backend development, with strong knowledge of RESTful APIs, SQL/NoSQL databases, and cloud deployment. I’m passionate about building intuitive UI/UX, optimizing performance, practicing TDD and Agile methods, and collaborating with cross-functional teams to deliver maintainable, scalable software. I’ve led projects that include real-time dashboards, API ecosystems, and microservices, and I enjoy mentoring junior engineers and partnering with product owners to turn business requirements into solid software solutions.

Available to hire

I am a Senior React Full Stack Engineer with 6+ years of experience delivering high-performance web applications, scalable APIs, and end-to-end solutions. I specialize in React.js, Redux, TypeScript, Node.js, and C#/NET backend development, with strong knowledge of RESTful APIs, SQL/NoSQL databases, and cloud deployment. I’m passionate about building intuitive UI/UX, optimizing performance, practicing TDD and Agile methods, and collaborating with cross-functional teams to deliver maintainable, scalable software. I’ve led projects that include real-time dashboards, API ecosystems, and microservices, and I enjoy mentoring junior engineers and partnering with product owners to turn business requirements into solid software solutions.

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Work Experience

Full Stack Developer at Fanshawe College - Projects

April 1, 2025 - September 5, 2025

Built a clinic appointment management system with React front-end, C#/NET back end, and SQL database, implementing full CRUD functionality, data binding, and state management. Developed real-time game mechanics and interactive systems for simulation projects. Optimized performance, memory usage, and responsiveness across frontend and backend components. Built and QA engineering tasks using CI/CD; collaborated with product owners and developers to translate business requirements into fully functional web solutions.

Backend QA Engineer / Full Stack Developer (Projects) at Conestoga College - Projects

August 1, 2024 - September 5, 2025

Developed automated backend testing frameworks using Node.js and TypeScript for database integrity, CRUD validation, and API reliability. Created integration and regression tests for full stack React applications using Jest, Cypress, Selenium, and Postman. Collaborated with product owners and developers to translate business requirements into fully functional web solutions.

Senior React Full Stack Engineer at YouTube

May 1, 2019 - Present

Designed and implemented scalable full-stack applications with React.js front end and Node.js or C#/NET back end, integrating multiple APIs and services. Built dynamic dashboards, real-time data visualizations, and interactive UI components using React, Redux, and RESTful APIs. Implemented backend microservices with GraphQL endpoints, ensured high performance, security, and scalability. Mentored junior engineers, collaborated with UI/UX designers and QA teams to deliver maintainable, efficient software solutions. Established CI/CD pipelines and containerized services using Docker; deployments on cloud platforms (AWS/Azure).

Senior React Full Stack Engineer at YouTube

May 1, 2019 - Present

Designed and implemented scalable full stack applications with React front-end and Node.js or C#.NET back end, integrating multiple APIs and services. Developed dynamic dashboards, real-time data visualizations, and interactive UI components using React, Redux, and TypeScript. Built RESTful APIs, GraphQL endpoints, and back-end microservices, ensuring high performance, security, and scalability. Managed databases (MySQL, PostgreSQL, MongoDB) with optimized queries, indexing, and caching strategies for responsive applications. Applied CI/CD pipelines for automated testing, deployment, and monitoring using Jenkins, GitHub Actions, and GitLab CI/CD. Mentored junior engineers, collaborating with UI/UX designers and QA teams, ensuring timely delivery of high-quality solutions.