Senior Software Engineer - Client Services

We are looking for a Senior Software Engineer who is comfortable working with Vanilla JavaScript, HTML, and CSS to build and customize frontend solutions, debug complex client-side issues using browser developer tools, and handle DOM manipulation, event handling, and dynamic UI updates. Should be confident analyzing APIs through Fetch/XHR requests, tracking DOM changes using MutationObserver and browser console techniques, and making real-time UI modifications using inspect element and custom scripts. The role also requires troubleshooting frontend issues across browsers and collaborating with cross-functional teams to solve real-world client scenarios while ensuring smooth and optimized user experiences.

Key Responsibilities:

Examples of Tasks You Will Perform

• Rearranging elements on a page dynamically.
• Creating new UI blocks using JavaScript, jQuery and CSS.
• Overriding existing styles safely.
• Preventing interference from existing scripts and styles.
• Ensuring compatibility across devices and screen sizes.
• Making changes that survive dynamic DOM updates.
• Tracking user interactions for experiments.

Key Skills Required

• Strong understanding of Vanilla JavaScript, jQuery, HTML and CSS.
• Advanced DOM traversal and manipulation.
• Event handling and debugging in live environments.
• Using MutationObservers for dynamic content.
• Handling Single Page Applications (SPAs).
• Writing safe and conflict-free CSS.
• Understanding browser behaviour and edge cases.
• Performance-safe scripting on production websites.

• Strong understanding of Vanilla JavaScript, jQuery, HTML and CSS.
• Advanced DOM traversal and manipulation.
• Event handling and debugging in live environments.
• Using MutationObservers for dynamic content.
• Handling Single Page Applications (SPAs).
• Writing safe and conflict-free CSS.
• Understanding browser behaviour and edge cases.
• Performance-safe scripting on production websites.