Frontend JavaScript Design System Engineer

Title: Frontend Design System Engineer

Key Skills: JavaScript, TypeScript, Design Systems, React, Angular, Vue, Wiz Framework, CSS/SCSS, Automated Testing, Component Architecture

Experience: 7+ years of frontend development experience.

Location: Costa Rica or Peru.

Modality: Remote only in Costa Rica or Peru.

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.

Required Qualifications

• •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.

Preferred Qualifications

• •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.

Published on: 05-10-2026

At Coforge, we hire professionals solely based on their skills and qualifications and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.