< Hello World />I am Sumith
I build digital experiences that people love.
Software Engineer based in Kerala, India. Specialising in React, and cloud-native infrastructure. I turn complex problems into elegant, fast, and maintainable software.
Worked at Bigbasket & Bestdoc delivering cloud-native solutions used by millions of users
9+
Years experience
20+
Projects shipped
∞
Coffees consumed
About me
I am Sumith KK, a seasoned Senior Software Engineer Kerala, India with over 9 years of experience designing, developing, and scaling modern web applications.
My career spans impactful roles at Bigbasket (India’s leading online grocery platform) and BestDoc Technologies (healthcare SaaS leader), along with multiple freelance projects helping businesses bring their digital ideas to life.
When I'm not shipping features, you'll find me exploring new technologies, contributing to open source, or figuring out how to make coffee taste better.
Why Work with me
With a proven track record in building products that serve millions of users, I bring technical depth, product thinking, and a passion for clean, performant code. I thrive in collaborating with visionary clients to transform concepts into reality, ensuring every line of code moves their business forward.

⚡ 9+ yrs exp
Tech stack
Frontend
Backend
Cloud & DevOps
Database
Also worked with
Projects
Things I've built and shipped
Career
Where I've worked and what I've built
Apr 2023 — Present
Freelance Software Engineer
Delivered tailor-made web solutions for startups and SMEs, using React, Next.js, and Node.js to create fast, modern, responsive SPAs.
- Leading fullstack development for e-commerce and web applications using Flutter and React
- Implemented healthcare solution for hospitals
- Leveraged AI tools (ChatGPT, GitHub Copilot) for faster development, debugging, and code optimization
Jun 2021 — Apr 2023
Senior Software Engineer
Developed healthcare applications including Consult, Survey, Analytics, and Concierge platforms
- Built scalable frontend systems using Vue.js and Vuex
- mplemented appointment booking, patient feedback systems, and analytics dashboards
- Worked closely with backend teams for API integration and feature delivery
Sept 2015 — Jan 2020
Senior Software Engineer
Built and enhanced high-traffic modules like Custom Page Builder, Checkout, Slot Selection, and Payment Integration, serving millions of customers. Delivered scalable UI solutions using React, Redux, Angular, and jQuery, improving conversion rates and user experience.
- Contributed to end-to-end frontend development of core e-commerce features
- Integrated UPI, net banking, and card payment flows via Razorpay
- Built and maintained modules including: Homepage,Product Listing & Product Page, Custom Pages (dynamic CMS-driven pages), Member/Authentication flows, Gift Cards, Checkout & Payment systems
Mar 2015 — Sept 2015
Frontend Developer Intern
Designed & Developed responsive web interfaces using Javascript and Bootstrap. Gained hands-on experience with client communications and agile sprint planning.
- Built reusable component library reducing dev time by 30%
- Introduced Storybook for component documentation
9+
Years experience
3
Companies
10+
Products shipped
50k+
Users impacted
Get in touch
Let's build something together.
I'm currently open to freelance projects, full-time roles, and interesting collaborations. Whether you have a project in mind or just want to say hi — my inbox is open.