Senior Frontend Engineer (SDE 3)

🏢 About Certa

Certa is a Silicon Valley-based technology startup revolutionizing how global organizations manage stakeholder onboarding. By automating complex processes like background checks and compliance agreements, Certa helps Fortune 500 and 1000 companies streamline their operations through a sophisticated, high-scale digital platform.

🎯 The Role

As a Senior Frontend Engineer (SDE 3), you will be a key contributor to the core product, moving the needle on how large enterprises do business. You'll focus on building enterprise-grade software, mentoring peers, and ensuring the frontend architecture is performant, accessible, and scalable.

🛠️ Tech Stack

• React JS & TypeScript
• Vite (Bundling)
• Vitest, Cypress, Jest, Testing Library
• Semantic HTML5 & Responsive CSS
• WebGL (Bonus)

💼 What You'll Do

• Architect and implement large-scale frontend features with a focus on type safety and performance.
• Lead the creation and evolution of the internal design system to ensure UI consistency.
• Improve delivery and rendering performance for global users.
• Provide technical leadership through code reviews and mentoring junior/mid-level engineers.
• Utilize data analysis to inform product decisions and technical improvements.

✅ What You'll Need

• At least 3 years of professional experience with React and TypeScript.
• Deep understanding of the modern frontend ecosystem, including bundling and linting.
• Experience writing robust automated tests (Unit and E2E).
• Familiarity with Agile methodologies and remote team collaboration.
• A background in high-performance startup environments.

🌟 Nice to Have

• Experience with WebGL or building offline-first applications with Web Workers.
• Active contributions to Open Source or a personal technical blog.
• Deep expertise in building 100% keyboard and screen-reader accessible applications.