About the Company: Established in 2004, we are a technology pioneer operating some of the internet’s safest and most popular platforms.
Supported by an international team of dynamic and collaborative innovators, we are committed to enabling safe user experiences and empowering our communities through diversity, inclusion, and freedom of expression, while maintaining robust trust-and-safety standards.
Please note that for position require full-time.
About the Role
As a Senior Frontend Engineer, you will join a talented engineering team working on one of the world’s largest digital platforms, serving billions of daily advertising impressions.
This is a senior-level **Individual Contributor (IC) role** focused on hands-on frontend engineering, technical ownership, and delivering complex, scalable solutions. The role does not involve direct people management responsibilities.
You will be responsible for building high-performance, responsive, and maintainable frontend applications using JavaScript, React, and modern frontend technologies. You will contribute to architectural decisions, tackle complex engineering challenges, and leverage AI-powered tools to enhance development efficiency and code quality.
We are looking for a highly experienced frontend engineer with strong technical expertise, an engineering mindset, and the ability to work autonomously in a complex, high-scale environment.
What You’ll Be Doing
— Architect, develop, and maintain scalable, high-performance frontend applications using JavaScript, React, and modern frontend technologies. — Build responsive, reliable, and maintainable user interfaces for high-traffic digital platforms. — Work with modern frontend frameworks, libraries, tools, and development practices to deliver robust engineering solutions. — Contribute to frontend architecture, technical design decisions, and the implementation of engineering best practices. — Optimize application performance, scalability, accessibility, and overall user experience. — Collaborate closely with backend engineers, product stakeholders, and other technical team members. — Integrate frontend applications with APIs, microservices, and internal and third-party systems. — Apply modern AI-powered development tools to improve coding, debugging, testing, code reviews, and problem-solving workflows. — Take ownership of frontend components, technical solutions, and their long-term maintainability. — Participate in technical discussions, code reviews, and knowledge-sharing activities. — Support and mentor other developers through technical guidance and code reviews, while maintaining a hands-on engineering focus.
What You’ll Need to Be Successful
Must-Haves
— **7+ years of professional software development experience**, with strong engineering expertise and a proven track record of delivering complex solutions. — **Strong hands-on experience with JavaScript**, including deep understanding of modern JavaScript features, asynchronous programming, and frontend application architecture. — **Strong practical experience with React**, including component architecture, hooks, state management, performance optimization, and scalable application development. — Solid knowledge of modern frontend frameworks, libraries, and development ecosystems, with the ability to evaluate and apply emerging technologies and industry trends. — Strong understanding of frontend architecture, design patterns, software engineering principles, and best practices. — Experience building scalable, maintainable, and high-performance web applications. — Good understanding of web performance optimization, browser behavior, accessibility, and responsive design. — **Practical experience using modern AI tools** to enhance development workflows, increase productivity, improve code quality, and solve complex technical challenges. — Ability to work autonomously, take ownership of technical decisions, and drive solutions from concept to implementation. — **Advanc
