Senior UI Engineer

Summary

Join Stellar Cyber as a Senior UI Engineer to develop scalable, high-performance web interfaces for their Open XDR platform. This hands-on role requires expertise in JavaScript, TypeScript, and Angular, and involves leading UI development, translating product requirements into user experiences, collaborating with cross-functional teams, and establishing frontend coding standards. The ideal candidate will have 7+ years of experience building complex UI applications for large-scale enterprise UIs, possess strong communication skills, and be comfortable mentoring junior developers. The position offers a competitive compensation package and a fully remote work environment in Taiwan or Japan. Stellar Cyber is a fast-growing global leader in cybersecurity, known for its transparent and collaborative culture.

Requirements

• Bachelor’s/Master’s degree in Computer Science or a related field
• 7+ years of professional experience building complex UI applications
• Expert-level knowledge of JavaScript, TypeScript, and a modern UI framework (Angular preferred)
• Proven experience with large-scale enterprise UIs, reusable design systems, and performance optimization
• Hands-on experience with unit testing, integration testing, and UI automation tools
• Familiarity with CI/CD tools, version control, and agile development practices
• Strong understanding of web security, cross-browser compatibility, and accessibility
• Excellent communication and collaboration skills across technical and non-technical stakeholders

Responsibilities

• Lead the development of modular, high-quality UI components using JavaScript, TypeScript, and Angular
• Translate product requirements and complex workflows into intuitive, performant user experiences
• Collaborate with product, UX, and backend teams to define technical specs and architectural direction
• Establish and enforce frontend coding standards, design patterns, and testing best practices
• Own the performance optimization of large-scale UIs, proactively resolving rendering, loading, and responsiveness issues
• Contribute to CI/CD pipelines, UI testing automation, and build/release tooling
• Provide technical leadership and mentorship to junior developers through code reviews, design sessions, and paired programming
• Actively participate in sprint planning, architecture reviews, and roadmap discussions
• Investigate and resolve production issues with a focus on root cause and long-term stability

Preferred Qualifications

Experience in a cybersecurity or SaaS platform environment is a strong plus

Benefits

• We offer a highly competitive compensation package on par with industry leaders like Google and Microsoft
• We are fully remote, providing the flexibility to work from anywhere in Taiwan or Japan