HK

Hare Krishna

Available to hire

I am a Senior Full Stack Engineer and technical lead with more than nine years of experience building scalable web and mobile applications.

About

I am a Senior Full Stack Engineer and technical lead with more than nine years of experience building scalable web and mobile applications. I specialize in MERN stack development, React.js, React Native, Node.js, TypeScript, REST APIs, GraphQL, microservices, and cloud-based solutions. I enjoy improving application performance, strengthening security, and creating reliable products that deliver a smooth user experience across platforms.

I have led teams of 5–10 engineers, supported concurrent projects, and worked closely with product, design, and operations teams to deliver stable software. My experience includes dashboards, mobile applications, hotel and asset management platforms, procurement systems, food delivery applications, and healthcare solutions. I am also comfortable with production debugging, observability, CI/CD, database optimization, and mentoring engineers.

  • 10 years' experience
  • Joined September 2026

Industry experience

  • Software & Internet
  • Computers & Electronics
  • Travel & Hospitality
  • Healthcare
  • Wholesale & Distribution
  • Retail
  • Professional Services

Work experience· 6 roles

Team Lead – MERN Stack · TeroTAM (Part of Astics)Mar 2019 – Present · 7 yrs 9 mos

Led a team of 5–10 engineers delivering concurrent projects. Built responsive and accessible React.js dashboards with TypeScript, Redux, MobX, and Webpack Module Federation. Designed Node.js microservices, RESTful and GraphQL APIs, API gateway patterns, and React Native functionality. Improved production support and reduced MTTR by approximately 25% using CloudWatch and Sentry. Enhanced CI/CD pipelines and deployment reliability by approximately 30%, optimized MongoDB schemas and queries, implemented Redis caching, and delivered FastAPI services for asynchronous processing and background jobs.

Team Lead – MERN Stack · TeroTAAM (Part of Astics)Mar 2019 – Present · 7 yrs 9 mos

Led a team of 5–10 engineers delivering concurrent MERN projects while maintaining code quality and system stability. Built and optimized React dashboards with performance techniques (memoization, callbacks, lazy loading, component-level re-render analysis) and improved load times using Webpack optimizations (tree shaking, chunk splitting, module federation). Designed Node.js-based microservices architecture, applied API gateway patterns (routing, rate limiting, request validation), and extended mobile functionality with React Native for consistent cross-platform UX. Implemented REST and GraphQL APIs using Node.js and Express, contributed to production support as Level 2/3 technical support, and reduced MTTR (~25%) using CloudWatch and Sentry. Enhanced CI/CD pipelines with GitLab and AWS SAM, improving deployment reliability (~30%). Improved database performance with indexing, pagination, query refactoring, and introduced caching (Redis/in-memory) to reduce DB load and improve API th

Software Engineer (React Native) · SASA InfotechMay 2018 – Mar 2019 · 11 mos

Developed and maintained React Native applications for iOS and Android with real-time API integrations. Built and optimized Node.js server-side logic, reducing response time by approximately 30%. Integrated RESTful APIs for mobile and backend data exchange and implemented Redux state management for scalable, maintainable applications. Worked on food delivery, job search, and home healthcare projects.

Software Engineer (React Native) · SASInfoTechMay 2018 – Mar 2019 · 11 mos
Full Stack Developer (MEAN Stack) · WeMited InnovationsSep 2016 – Apr 2018 · 1 yr 8 mos
Full Stack Developer (MERN/MEAN Stack) – Intern · Wemitd InnovationsSep 2016 – Apr 2018 · 1 yr 8 mos

Education· 7

B.Tech in Computer Science Engineering · AKTU (MGM’s COET, Noida)2016 – 2026
B.Tech in Computer Science Engineering · AKTU (MGM's COET, Noida)2012 – 2016
Intermediate, CBSE Board · K. Lion School, Varanasi2010 – 2012
High School, CBSE Board · A.V.N School, Patna2007 – 2009

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