Frontend Engineer

About SquareX:

SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features.

Responsibilities

• Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead.
• Building user and admin dashboards for various product interfaces.
• Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows
• Strive for constant improvement in terms of code quality, maintainability, performance
• Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies
• Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency)
• Ensure engineering best practices, including writing comprehensive test cases are followed
• Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback
• Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary
• Collaborate effectively with the team, while being a good communicator (both verbal and written)
• Document and share important aspects of all engineering decisions being made

Qualifications:

• Must have strong engineering skills and foundations, including problem-solving, coding, and debugging
• Must have expertise in core Javascript with at least 3 years of experience developing with it
• Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications
• Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development
• Must have familiarity with browser extension security model and architecture
• Must have experience in creating a draggable and customizable flowchart for workflows using React Flow
• Must have expertise in Tailwind UI and integrating it with React Flow
• Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloudfront and S3
• Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs
• Must have worked on user access management with feature-level policy in enterprise dashboards
• Must have worked on iframe feature policies
• Must have expertise in CSP (Content Security Policy)
• Must have worked with placeholder replacement-based templating engines and generated reports with it
• Must know web application security risks and vulnerabilities
• Should be passionate about building rich and innovative user experience

Cost to Company:

We thank all applicants for their interest, but only those selected for an interview will be contacted.