Frontend Engineer | Espresso Labs

Build the interfaces that give customers real-time visibility into their IT and security posture.

What You’ll Do

Design, build, and maintain modern, responsive web applications using ReactJS
Own complex frontend features end-to-end, from requirements and design review through implementation and iteration
Develop and maintain Chrome extensions that extend and integrate with our core platform
Write clean, maintainable, and well-tested code in TypeScript
Collaborate closely with UX/UI designers to translate wireframes and prototypes into precise, accessible interfaces
Implement robust state management and optimize rendering, load times, and runtime performance
Integrate with REST APIs and WebSocket-based real-time services
Ensure cross-browser compatibility and consistent behavior across devices and screen sizes
Participate in code reviews and contribute to shared frontend standards and best practices
Proactively identify technical debt and suggest improvements to architecture, tooling, and developer experience

5+ years of professional experience in frontend or full-stack web development
Deep expertise in TypeScript/JavaScript, HTML5, and CSS3
Strong, hands-on experience with React
Demonstrated experience building and shipping Chrome extensions
Solid understanding of state management patterns and component lifecycles
Experience with modern build tools and bundlers (Webpack, Vite, or similar)
Working knowledge of backend concepts and technologies (Node.js, Express, APIs)
Experience designing and consuming RESTful APIs and real-time interfaces
Strong attention to detail and a product mindset focused on usability and clarity
Proficiency with Git and collaborative development workflows

Familiarity with UI/UX tools and workflows (Figma, Sketch, design systems)
Experience with data visualization libraries (D3.js, Chart.js, etc.)
Exposure to AI-driven features or frontend integration of AI services
Understanding of security concepts, browser security models, or SaaS security products
Open-source contributions or personal projects that demonstrate frontend craftsmanship

Work on a real, security-critical product used by businesses, not demos or experiments
High ownership, minimal bureaucracy, and direct impact on product direction
Strong engineering culture with an emphasis on quality, clarity, and pragmatism
Opportunity to shape the frontend architecture as the platform scales

Send your resume and links to relevant work to hiring@neuronos.ai. Espresso Labs is an equal-opportunity employer.