# Johnny Sebastian Panikulam

> Senior Frontend Engineer @ Shipt (by Target)

Location: San Francisco, California, United States
Profile: https://flows.cv/johnnysebastianpanikulam

Johnny is a seasoned Software Engineer who collaborates with product managers, designers and full-stack teams to architect and deliver intuitive, responsive user experiences.

His toolbox includes React, TypeScript, NextJS, JavaScript, CSS, and a range of modern web technologies. He’s passionate about web performance optimization, experimentation, A/B testing, and analytics, and has recently embraced AI-assisted development to ship elegant, user-delighting solutions  and is eager to bring his expertise to your team.


Johnny also writes about software engineering in his newsletter 👉🏽 https://jsengineer.substack.com

## Work Experience
### Senior Software Engineer @ Shipt
Jan 2020 – Present | San Francisco Bay Area
- Built new Frontend / UI features on Shipt.com's  with React, TypeScript, NextJS, CSS3 Foundation
- Practiced Test Driven Development (TDD) using React Testing Library (RTL) for ~100% test coverage, and successfully re-architected and re-skinned the homepage module

### Front-End Software Engineer @ Macy's
Jan 2018 – Jan 2020 | San Francisco Bay Area
Macys.com - Product Engineering
•  Architected the implementation of modernized Product Details Page. Resulting in $50 Million increase in annual revenue, 40% reduction in the page load time, 80% reduction in the speed index, with close to 100% test coverage.

• Advocated coding standards and better performance, by measuring and fixing identified issues

Related Knowledge: NodeJS, JavaScript, Webpack, Web Accessibility, SASS, React, Backbone, reactjs, VueJS, SEO, eCommerce, JSON, HTML, Redux, UI / UX

### Technical Lead @ Mindtree
Jan 2017 – Jan 2018 | Greater New York City Area
Techlead on the Frontend
- JavaScript
- UI
- Google Analytics
- Google Tag Manager
- AngularJS
- Angular
- TypeScript
- Adobe Experience Manager (AEM)
- Akamai
- React / React.JS / ReactJS
-  SEO

### Senior Software Engineer @ Atos Syntel
Jan 2014 – Jan 2017 | Greater New York City Area
Senior UI Engineer
- Angular
- jQuery
- ES6
- Single Page Applications
- UnderscoreJS
- Webpack
- Babel

### Analyst Programmer @ Atos Syntel
Jan 2013 – Jan 2014

### Software Engineer @ MobME Wireless
Jan 2010 – Jan 2013 | Cochin Area, India
Ruby, Ruby on Rails, HTML5, CSS3


## Education
### Bachelor Of Technology in Computer Science
Rajagiri School of Engineering & Technology


## Contact & Social
- LinkedIn: https://linkedin.com/in/johnnysebastianp

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Source: https://flows.cv/johnnysebastianpanikulam
JSON Resume: https://flows.cv/johnnysebastianpanikulam/resume.json
Last updated: 2026-03-31