Frontend Developer

USER EXPERIENCE RESEARCHERS PTE. LTD; Região Norte; On-site; BRL 90,000 - 150,000; Full time

Job summary

USER EXPERIENCE RESEARCHERS PTE. LTD is seeking an experienced frontend engineer to design and implement responsive, accessible web components. You will collaborate with Project/Product teams to translate UI/UX designs into technical requirements and robust interfaces.

You will champion frontend best practices, performance, and security, and contribute to CI/CD pipelines and cloud deployment on AWS. Storybook will be used for UI component development and documentation.

Qualifications

• At least 3 years frontend development and engineering experience.
• Strong HTML, CSS and JavaScript development.

Responsibilities

• Collaborate with Project/Product teams to refine user stories and translate them into technical requirements.
• Design, develop, and maintain responsive and accessible web components that deliver excellent user experiences.
• Implement and enforce frontend best practices, including component reusability, performance optimization, and accessibility.
• Ensure frontend security best practices, including protection against XSS, CSRF, and other vulnerabilities; integrate static code analysis and application security testing tools (e.g., SonarQube, Fortify on Demand) into the development workflow; support broader security assessments such as web vulnerability scans and penetration tests.
• Document technical decisions, architectural patterns, and frontend best practices.

Skills

Frontend development

HTML

CSS

JavaScript

Vue.js

UI/UX implementation

WCAG accessibility

Performance optimization

Security awareness

CI/CD pipelines

AWS cloud

Storybook

Education

Degree/Diploma in CS/Engineering/IT

Tools

Storybook

Job description

Key Responsibilities

Design Platform Operations

• Collaborate with Project/Product teams to refine user stories and translate them into technical requirements.
• Design, develop, and maintain responsive and accessible web components that deliver excellent user experiences.
• Implement and enforce frontend best practices, including component reusability, performance optimization, and accessibility.
• Ensure frontend security best practices, including protection against XSS, CSRF, and other vulnerabilities. This includes integrating static code analysis and application security testing tools (e.g., SonarQube, Fortify on Demand) into the development workflow, as well as supporting broader security assessments such as web vulnerability scans, penetration tests, and cloud infrastructure penetration tests.
• Document technical decisions, architectural patterns, and frontend best practices.

Required Skills & Experience

Core Technical Skills

• Degree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.
• At least 3 years in frontend development and engineering experience.
• Strong hands-on development with HTML, CSS and JavaScript.
• Strong experience with Vue.js / Vue Framework (and any other design frameworks such as React and Angular).
• Good understanding of modern frontend architecture, reusable components and responsive web development.
• Experience translating UI/UX designs into intuitive, responsive and accessible user interfaces; familiarity with UI/UX best practices and familiarity with Web Content Accessibility Guidelines (WCAG).
• Strong software engineering fundamentals, including code quality, testing, maintainability and performance.
• Adherence to software craftsmanship principles, ensuring clean, maintainable, and efficient code.
• Experience implementing and/or managing CI/CD pipelines and frontend build/deployment processes.
• Experience developing, deploying or operating web applications on cloud platforms (e.g. AWS).
• Experience using Storybook for UI component development and documentation.
• Preferred proven experience in supporting / completion of public sector or regulated-environment systems.
• Preferred familiarity with applicable security, technology, and digital service standards.

Soft Skills

• Security-focused mindset with remediation experience.
• Independent worker with strong self-help and research skills.
• Strong analytical and problem-solving skills.