Senior Frontend Developer - Founding team

Frontend Developer – Founding Engineering Team | AI-Powered Data Infrastructure (Senior)

Tech Stack: React, TypeScript, CI/CD, SaaS, AI, Data Infrastructure

One of our clients, a fast-growing and well-funded startup in stealth mode, is developing a groundbreaking AI-powered SaaS platform that redefines how enterprises interact with their data.

The company recently raised a $25M seed round from top-tier global investors and is now forming its founding engineering team.

This is a rare opportunity to join at the earliest stage and have direct influence on the architecture, product, and company culture.

What You’ll Do

• Lead the design and implementation of the frontend architecture using React and TypeScript
• Build intuitive, performant user interfaces for complex B2B use cases
• Develop enterprise-grade features: authentication, RBAC, multi-tenancy, workspace/user management, auditing tools
• Collaborate closely with backend engineers to deliver cohesive, user-friendly workflows
• Define and implement best practices for frontend testing, CI/CD, and observability
• Contribute to the design system and component architecture from scratch

Must-Haves

• 5+ years of experience in frontend development
• Proven expertise with React and TypeScript in production environments
• Solid grasp of state management, routing, performance optimization, and modern frontend tooling
• Experience building secure, scalable, and responsive SaaS applications
• Comfort working in a high-responsibility, fast-paced startup environment
• Familiarity with enterprise-grade requirements: SSO, RBAC, multi-tenancy
• Passion for clean UI, great UX, and maintainable code

Nice-to-Haves

• Background in developer tools, data infrastructure, or AI/ML platforms
• Experience with data visualization libraries: Recharts, D3.js, Chart.js
• Worked with Storybook, Figma, or other design system tools
• Experience launching new products in early-stage startups

If you're looking for a high-impact role where you can build meaningful technology from scratch, shape the product and culture, and grow with a team of experienced entrepreneurs — this is your chance to be a true builder.