Lead Frontend Engineer

SuperAds is an AI-powered creative analytics platform that helps marketers decode what drives ad performance. As Superside’s first standalone SaaS product, SuperAds is scaling fast, with 25% month-over-month growth, and expanding its capabilities in AI-driven creative strategy.

We are looking for a Lead Frontend Engineer to architect, build, and scale the frontend systems that power SuperAds.. In this role, you’ll develop impactful features, refine frontend architecture, and contribute ideas that shape the product's direction.

What you’ll do

• Actively participate in product ideation, contributing ideas to improve features, usability, and performance.
• Develop and maintain product features and the frontend architecture for Superads.
• Build complex, reusable UI components using React, Next.js, Tailwind CSS, and React Query.
• Gradually develop and integrate AI-powered features, helping Superads evolve into a fully-fledged AI-driven SaaS product.
• Collaborate with designers, engineers, and product managers to craft seamless and engaging user experiences.
• Ensure scalability, responsiveness, and performance across the Superads platform.
• Write and maintain unit and end-to-end tests using Jest and Playwright to ensure a stable, high-quality product.
• Troubleshoot and debug issues to maintain a smooth and reliable user experience.
• Optimize frontend performance and architecture to support a growing platform with increasing complexity.
• Stay up to date with the latest frontend technologies and best practices, continuously improving the codebase.

What you’ll need to succeed

• 5+ years of experience as a Senior Frontend Engineer or similar role.
• Proficiency in JavaScript and React, with strong experience in Next.js, Tailwind CSS, and React Query.
• A solid understanding of frontend architecture, component-based development, and performance optimization.
• A strong product mindset—thinking beyond implementation to contribute to the vision and evolution of SuperAds.
• Experience with automated testing (unit and E2E) using Jest and Playwright.
• Excellent attention to UI/UX details, with the ability to build intuitive and visually polished interfaces.
• Strong prompt engineering skills and an understanding of AI-driven interfaces (e.g., RAG, agents, AI assistants) are a huge plus.
• Experience working with Python is a significant advantage, especially for integrating with backend and AI systems.
• The ability to thrive in a fast-paced, product-driven environment while balancing speed and quality.
• Strong problem-solving and communication skills, with a proven ability to collaborate effectively across teams.