Senior Front-End Developer

Full time | Work from Home This Position is Currently Open Department / Category: DEVELOPER Listed on Jun 03, 2025 Work Location: KOCHI Job Descritpion of Senior Front-End Developer 6+ Years Relevant Experience Job Description: We are seeking an experienced Senior Front-End Developer to lead the modernization of a legacy mobile application initially built using an early version of Sencha Touch. This is a hands-on technical leadership role requiring deep expertise in front-end architecture, modern JavaScript development practices, and legacy system transformation. Key Responsibilities: Lead the front-end modernization of a legacy mobile app using Sencha CMD and modern development workflows. Refactor and optimize legacy Sencha Touch code for improved performance, scalability, and maintainability. Collaborate with cross-functional teams including back-end developers, QA, and product managers to deliver a cohesive and user-friendly application. Handle JSON-based data integration, complex UI rendering, and dynamic content updates. Implement front-end best practices for debugging, testing, and version control. Deploy and troubleshoot applications running on Apache Tomcat. Required Skills & Experience: 5+ years of front-end development experience with a focus on JavaScript frameworks. Strong expertise in Sencha Touch, Sencha CMD, or similar frameworks. Proficiency in JavaScript, HTML5, CSS3, and responsive design principles. Solid experience in legacy code refactoring, modernization, and performance tuning. Familiarity with version control systems (Git preferred). Strong debugging and testing skills, including experience with browser developer tools and unit testing frameworks. Experience working in agile, collaborative environments across different functions. Preferred Qualifications: Experience with Apache Tomcat deployment and configuration. Background in mobile-first or hybrid app development. Prior work on long-lived enterprise applications and modernization initiatives. Required Skills for Senior Front-End Developer Job Front-End Developer JavaScript JSON ExtJS Sencha Our Hiring Process Screening (HR Round) Technical Round 1 Technical Round 2 Final HR Round