Senior Software Engineer (Front End)

ZenBusiness is a company dedicated to helping entrepreneurs launch and run their businesses. They are seeking a Senior Software Engineer to join their Growth team, focusing on building and maintaining a diverse product suite with an emphasis on user experience and scalable systems.

Responsibilities:

• Architect & Implement: Lead the development of complex React applications using modern patterns (Hooks, Context, Composition)
• Design System Leadership: Build, maintain, and document reusable component libraries to ensure visual and functional consistency across our entire ecosystem, MUI experience preferred
• Performance & Best Practices: Optimize frontend performance, ensure accessibility compliance, and enforce clean code standards through rigorous peer reviews
• Collaborative Design: Partner closely with Product Designers to translate Figma mocks into high-fidelity, responsive layouts, providing technical feedback on UI/UX feasibility
• Full-Stack Awareness: Consume and occasionally contribute to API design (Node.js/Python) to ensure seamless data flow between the frontend and backend
• Data-Driven Iteration: Use monitoring and analytics (logs, usage metrics) to identify friction points in the user journey and implement UI improvements
• AI-Augmented Workflow: Champion the use of AI coding assistants (e.g., Cursor, Claude Code, GitHub Copilot) to accelerate feature delivery, refactor legacy code, and maintain high test coverage

Requirements:

• 5+ Years of Experience: A proven track record of shipping production-grade web applications
• AI Proficiency: Extreme comfort using AI agents to write, debug, and document code. You should be able to demonstrate how you use prompts and context to solve complex architectural problems
• React Mastery: Deep expertise in the React ecosystem, including state management, hooks, and performance profiling
• CSS Architect: Advanced knowledge of modern styling solutions (Styled-Components, CSS Modules, or Tailwind) and a 'CSS-first' mindset for layout logic
• The 'Design Eye': A passion for UI/UX. You care about the 'why' behind a design and have the ability to articulate design system decisions
• Engineering Excellence: Experience with TypeScript, modern testing libraries, and frontend build tools
• Communication: Ability to bridge the gap between design and backend engineering, explaining complex frontend constraints to non-technical stakeholders
• A proactive, self-directed mindset with a track record of suggesting new ideas, improving processes, and contributing to technical direction
• Experience mentoring other engineers or a willingness to support team growth
• MUI experience preferred