We are seeking a Senior Frontend Engineer to join our fast-paced AdTech SaaS team. You will design and build scalable, intuitive, and performant user interfaces for enterprise-grade applications. This role demands strong technical depth in frontend engineering, combined with architectural thinking, system design, and a keen eye for user experience.

Responsibilities :

- Lead the design and development of complex, modular, and high-performance web applications.

- Architect frontend solutions with a focus on scalability, security, and maintainability.

- Work closely with product managers, designers, and backend teams to deliver seamless user experiences.

- Drive adoption of frontend best practices in testing, performance tuning, accessibility, and responsive design.

- Mentor junior engineers and contribute to growing frontend engineering excellence within the team.

- Collaborate on low-level designs, technical architecture, and cross-system integrations.

Requirements :

- Languages and Core Tech : Strong proficiency in JavaScript and TypeScript, HTML5 and CSS3

- Frameworks and Styling : Deep expertise in React.js, TailwindCSS, and modern CSS patterns.

- Build and Tooling : Experience with Vite, Webpack, Babel, and CI/CD pipelines.

- State Management : Redux, Zustand, or equivalent.

- UX-first Mindset : Solid foundation in accessibility (a11y), responsive design, interaction quality, and performance.

- HTTP and API Foundations : Strong understanding of HTTP protocol, REST, GraphQL, WebSockets, and event-driven data flows.

- Testing and Quality : Hands-on with unit, integration, and end-to-end testing frameworks (Jest, React Testing Library, Cypress, Playwright).

- Data and Realtime : Client-side caching, CDN strategies, and Pub/Sub systems like Kafka/ RabbitMQ for live updates.

- Backends and Integration : Experience working with Supabase, Firebase, or other serverless backends.

- Cloud and DevOps Exposure : Familiarity with Docker, Vercel CLI, and cloud platforms (AWS, GCP, Azure).

- Storage and Search : Understanding of frontend integration with distributed storage systems, NoSQL (MongoDB), and search systems (Elasticsearch, vector search).

- ETL and Visualization : Comfortable building data-heavy UI flows, dashboards, and visualizations (D3.js, Recharts, ECharts).

Nice to Have / Emerging Skills :

- Experience with LLMs, AI Agents, and Agentic UI flows for intelligent experiences.

- Familiarity with low-code / vibe coding integrations.

- Knowledge of Go or Python for occasional full-stack contributions.