CustomerLabs is
a fast-growing B2B SaaS company helping businesses maximize the value of their
first-party customer data. Our platform helps marketers collect, unify, and
activate customer data to improve marketing performance and drive measurable
growth.
You'll turn
complex product requirements into fast, reliable, and delightful web
experiences. You'll build reusable UI with React and JavaScript, care deeply
about responsive design and performance, and ship with strong testing and
browser compatibility.
· Build reusable UI components and frontend features using JavaScript,
React, HTML5, and CSS3.
· Deliver responsive, mobile-first, pixel-accurate experiences across
devices.
· Ensure consistent behavior across Chrome, Safari, Firefox, and Edge.
· Profile and optimize loading, rendering, bundle size, and runtime
performance.
· Improve Core Web Vitals and build performance guardrails into
everyday development.
· Write unit/component and automated browser tests to prevent
regressions.
· Use DevTools to diagnose network, performance, memory, layout, and
rendering issues.
· Build features using modern Web APIs and Progressive Web App
patterns.
· Collaborate with Product, Design, and Backend on scalable frontend
systems.
· Strong hands-on experience building production web applications with
React and JavaScript.
· Deep fundamentals in JavaScript, React, HTML, and CSS.
· Strong problem-solving and DSA fundamentals applied to frontend
performance and correctness.
· Responsive, mobile-first design and modern CSS knowledge.
· Practical cross-browser debugging experience.
· Performance profiling and measurable optimization experience.
· Unit testing and automated browser testing experience.
· Understanding of Core Web Vitals, Web APIs, browser DevTools, and
PWA fundamentals.
· Strong ownership, communication, collaboration, and attention to UX
quality.
· TypeScript.
· Accessibility knowledge including semantic HTML, keyboard
navigation, and ARIA basics.
· Production performance monitoring, analytics, and error tracking
experience.
· Interest in rapid prototyping and tool-assisted development without
compromising quality.
· Features are fast, reliable, responsive, accessible, and tested.
· Frontend architecture becomes easier to scale and maintain.
· Users experience a smoother product because performance and UX are
treated as engineering priorities.
Welcome to the Average Kootam — A place where you’re
trusted to own your work, make decisions, learn from the experience, and keep
moving forward. You’ll know what you’re working towards, have the freedom to
grow into bigger responsibilities, and see the impact of what you do. Teams here
don’t work in isolation Sales, Marketing, Design, Engineering, and others work
closely, challenge ideas, and build better things together. And when we’re not
building, we make time to learn, connect, have fun, and bring the whole Kootam
together.
Wanna know more about us? Connect with
us:
We're active on LinkedIn, Instagram talking
about what we do at CustomerLabs.
Would you like to know
our stories? Catch up on what we're up to on the LinkedIn page of our HR Team - Devarshini, Aswin, Kunguma!
Take a sneak peek at our behind the scenes fun at our team-run Instagram
page.
Want to bypass all this and get a coffee
with us at our office? Let us know here!
