Senior Principal Software Engineer - UI

Job Title - Lead / Senior Principal Software Engineer - UI

Position Overview

As a Principal Software Engineer (UI), you will be instrumental in designing and developing intuitive, responsive, and scalable user interfaces that are critical to the success of our product. You will drive the strategic direction of UI architecture, championing best practices and ensuring our interfaces are at the forefront of innovation and usability. In this senior role, you will collaborate with cross-functional teams, including Product Management, UX / UI, QA, Backend, and Solutions, to deliver exceptional customer experiences, without directly leading the UI team.

Responsibilities

Technical Leadership : Provide strategic guidance on UI architecture, frameworks, and tooling to ensure scalability, maintainability, and performance.

Cross-functional Collaboration : Partner with UX / UI designers, product managers, backend engineers, and stakeholders to define and deliver seamless, high-quality user experiences that meet business objectives.

Code Excellence : Write, review, and optimize clean, maintainable, and high-performance code, ensuring adherence to the highest standards of quality and security.

Performance Optimization : Identify, analyze, and resolve performance bottlenecks to ensure smooth and responsive user interactions.

Security Best Practices : Implement and advocate for secure coding practices, ensuring UI components are robust against cybersecurity threats.

Testing : Define and oversee comprehensive testing strategies, including unit, integration, and end-to-end tests, ensuring reliability and quality.

Tooling and Efficiency : Continuously evaluate and improve UI development tools and frameworks to enhance team productivity and output quality.

Documentation : Create and maintain detailed technical documentation to support development, maintenance, and future enhancements. Strive to make sure that accessibility is safeguarded.

Innovation : Stay at the forefront of front-end technologies and emerging cybersecurity trends, proposing innovative solutions to enhance the product.

Culture : Lead by example in fostering a culture of innovation, accountability, and excellence within the organization.

Mentorship : Mentor and support senior and junior engineers, fostering a culture of technical excellence, collaboration, and continuous improvement.

Requirements

• At least 15 years of hands-on experience in front-end development, with at least 4 years in a senior technical role. Experience in the cybersecurity domain, with a focus on identity security, authentication, and access management will be a plus.
• Proven ability to lead UI / UX strategy and execution, translating product goals into intuitive, high-impact user interfaces that enhance usability and engagement.
• Demonstrated ability to balance design quality with delivery speed, with a pragmatic approach to prioritizing what needs to be polished now vs. iterated later.
• Excellent verbal and written communication skills, with the ability to articulate complex technical concepts to both technical and non-technical stakeholders, including senior management.
• Proven experience in presenting technical solutions and UX design to senior leadership.
• Proficiency in modern JavaScript frameworks e.g. React.js (required), Angular, Vue.js.
• Strong knowledge of HTML5, CSS3, and JavaScript (ES6+).
• Proficiency with TypeScript.
• Experience with RESTful APIs and WebSockets.
• Familiarity with version control systems (e.g., Git) and CI / CD pipelines.
• Strong understanding of UI / UX principles, responsive design, and accessibility standards, with a keen sense of aesthetics.
• Familiarity with SIEM, SOC, and SOAR solutions, XDR / EDR, intrusion detection / prevention systems, and identity and access management (IAM) platforms is a significant advantage.
• High-level understanding of cybersecurity concepts, principles, and best practices, with experience in security testing methodologies and tools, is a significant advantage.
• Ability to thrive in a fast-paced, dynamic work environment.
• Master’s or Bachelor's degree in Computer Science, Engineering, or a related field.