Arun K
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- Role
- Software Developer at T-Mobile
- Location
- Nashua, NH, US
- LinkedIn followers
- 500 followers
About Arun K
Creative and highly skilled Full Stack JavaScript Developer with over 5 years of hands-on experience in buildingscalable, responsive, and high-performance web and mobile applications. Proficient in a wide range of modernJavaScript frameworks and tools, including React.js, Node.js, and AWS, with a deep understanding of cloudarchitecture, microservices, and serverless computing. Specializing in frontend technologies, I have developednumerous React applications that integrate seamlessly with backend systems and third-party services. Adept inbuilding highly interactive UIs with Redux, React Query, and Next.js, and have successfully built complex, secureauthentication systems using OAuth 2.0 and JWT. I have strong expertise in HRTech and FinTech domains and haveled teams to deliver high-quality software in fast-paced, agile environments. Passionate about optimizing userexperiences, writing clean and maintainable code, and leveraging CI/CD pipelines for seamless deployments.
Experience
Software Developer
Jan 2025 — Present · US
Led front-end development of a next-gen Customer Support Portal using React.js, Redux Toolkit, Tailwind CSS, and TypeScript.Built reusable UI components, integrated Storybook, and managed API state with React Query and Axios.Developed real-time ticket updates with WebSocket and secure auth flows using OAuth 2.0, JWT, and AWS Cognito.Created a responsive Client Dashboard for subscription and billing insights with Chart.js and multi-role access control.Integrated Stripe for billing, built dynamic forms and markdown editors for support logging.Automated CI/CD pipelines using GitHub Actions and deployed on Vercel with zero-downtime rollouts.Enhanced performance and observability with Lighthouse, Sentry, and AWS CloudWatch.Collaborated with cross-functional teams on API design and accessibility.Mentored junior developers and improved resolution time by over 30% through better workflows.
Education
Rivier University
Master of Science - MS, Computer Science
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