Lead Engineer JavaScript - Client Side

About Wingify: Wingify is a ~$45mn ARR SaaS company that makes the market-leading A/B testing and conversion optimization platform VWO.com. We are a 100% bootstrapped and profitable company founded in India, making globally admired technology products in the marketing technology space. With clients in 90+ countries, Wingify has been profitable all its 14 years of existence and is now looking to grow to its next milestone of $50mn revenue (and beyond that to $100mn) over the next few years.

Over the last 14 years, VWO by Wingify has helped create industry standards in A/B testing products and have helped brands grow their website conversions by our suite of products across testing, user behaviour insights, and user engagement. If you have interacted with WikiHow, UbiSoft, TMZ, or Britannica, you have already met some of the customers who trust the VWO platform for their experimentation-led growth.

The 2022 list for best software companies in India by G2 is now out. Wingify/VWO is ranked 12th in this list.

Here is the entire list of top 25 software companies in India: https://www.g2.com/best-software-companies/india?rank=12#rank-12

For more details, please visit:

https://wingify.com/

https://engineering.wingify.com/

https://vwo.com/platform/

https://vwo.com/ab-testing/

https://vwo.com/blog/

https://youtu.be/pMXrJT6fUD4. The 2022 list for best software companies in India by G2 is now out.

As a Lead JavaScript Engineer, you will be required to work on various JavaScript libraries that are served on our customers’ websites thereby impacting millions of users. These libraries are the core of all the features of VWO.

We love vanilla JavaScript and work with cutting-edge technologies like TypeScript, Rollup.js, Cypress, ESLint.

We are obsessed with Web Performance. See some of the improvements that we did https://engineering.wingify.com/posts/performance-improvements-in-vwo-smart-code/

Job Responsibilities:

• Development of Core JavaScript libraries.
• Writing reusable code or modules that can be used across all the JavaScript libraries.
• Talking about your work - we love open source software, we heavily use them, and talking about how we use them is the least we can do to help the community. See our engineering blog and our GitHub page

Skills & Experience:-

• 6-8 Years of Experience
• Passion for writing Vanilla JavaScript
• Strong knowledge and experience in JavaScript, HTML, CSS.
• Work Experience with TypeScript
• Deep understanding of the DOM, Browser Events, JavaScript APIs, Canvas rendering, etc.
• Deep understanding of how the browsers work.
• Regard for optimizations that focus to deliver content to the user as quickly as possible.
• Awesome Debugging Skills.
• Passion to write automated tests to verify the working of libraries (You can’t possibly verify things on all devices and on all browsers manually). We use Cypress for this.
• Understanding the similarities and differences across browsers (young and old).
• Experience in writing modular JavaScript code
• Knowledge of high-level programming concepts like promises, data-binding.
• Passion to stay up to date with the constantly evolving world of front-end development.