Senior Frontend JavaScript Design System Engineer

Encora • San Jose, CA

10d • Remote

About The Position

At Coforge, we are looking for a Frontend JavaScript Design System Engineer (#20904-20-2) with the following profile. Main Responsibilities Build and maintain reusable, scalable UI components and modules using TypeScript/JavaScript and component-based frameworks. Develop schema-driven frontend solutions capable of dynamically rendering content through configuration-based architectures. Translate UX/UI designs into pixel-perfect, responsive, and cross-browser compatible interfaces. Integrate components across multiple architectural layers, including schemas, data pipelines, runtime rendering, and CMS platforms. Develop automated unit, integration, and regression tests to ensure component quality and stability. Ensure adherence to design system standards, performance requirements, and frontend best practices. Optimize component maintainability, scalability, and long-term stability. Collaborate with cross-functional teams to deliver consistent and high-quality user experiences. Navigate complex codebases and contribute high-quality solutions with minimal supervision.

Requirements

• 7+ years of experience in frontend software engineering.
• Strong proficiency in JavaScript and TypeScript.
• Experience working with modern frontend frameworks such as React, Angular, Vue, or similar component-driven frameworks.
• Ability to quickly adapt to proprietary frameworks and internal development ecosystems.
• Proven experience building schema-driven and data-driven UI components.
• Strong understanding of component architecture and reusable design patterns.
• Advanced knowledge of CSS, SCSS/Sass, Flexbox, CSS Grid, responsive design, and design token-based systems.
• Experience developing pixel-perfect user interfaces from design specifications.
• Strong experience with automated testing frameworks such as Jest, Jasmine, Karma, or similar solutions.
• Deep understanding of DOM lifecycle, semantic HTML, browser rendering, and frontend performance optimization.
• Experience handling edge cases, dynamic content rendering, localization, and responsive behavior.
• Strong problem-solving skills and ability to work autonomously in complex technical environments.
• Experience with Git and modern software development practices.
• Upper-Intermediate to Advanced English communication skills.

Nice To Haves

• Experience working with design systems, component libraries, or enterprise-scale frontend platforms.
• Previous exposure to Google technologies and frameworks such as Wiz, Blaze/Bazel, or related internal tooling.
• Experience building CMS-driven frontend architectures.
• Knowledge of accessibility standards (WCAG / a11y).
• Experience with tokenized design systems.
• Familiarity with frontend performance optimization and scalability practices.
• Experience supporting large-scale web platforms serving high-traffic environments.

Responsibilities

• Build and maintain reusable, scalable UI components and modules using TypeScript/JavaScript and component-based frameworks.
• Develop schema-driven frontend solutions capable of dynamically rendering content through configuration-based architectures.
• Translate UX/UI designs into pixel-perfect, responsive, and cross-browser compatible interfaces.
• Integrate components across multiple architectural layers, including schemas, data pipelines, runtime rendering, and CMS platforms.
• Develop automated unit, integration, and regression tests to ensure component quality and stability.
• Ensure adherence to design system standards, performance requirements, and frontend best practices.
• Optimize component maintainability, scalability, and long-term stability.
• Collaborate with cross-functional teams to deliver consistent and high-quality user experiences.
• Navigate complex codebases and contribute high-quality solutions with minimal supervision.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed