Senior Full Stack Engineer

Our client is seeking an experienced and skilled Lead / Senior Full Stack Developer to join their innovative team. In this role, you will be responsible for building, optimizing, and maintaining both the front-end and back-end of cutting-edge, scalable web applications. The focus will be on large-scale data visualization projects, emphasizing performance, scalability, and efficiency. A strong understanding of full stack development is essential. Key Responsibilities Develop and enhance front-end and back-end components for web-based data visualization and processing applications. Design scalable, efficient, and high-performance solutions using the Cloudflare serverless stack (Workers, Durable Objects, R2, etc.). Collaborate with designers, product managers, and engineers to deliver seamless and intuitive user experiences. Manage complex workflows and real-time data pipelines. Continuously improve application performance, security, and scalability. Required Qualifications Extensive experience in full stack development, proficient in both front-end and back-end technologies. Strong command of TypeScript . Expertise in Node-based backend frameworks ( Hono preferred). Advanced experience with UI frameworks such as React . Hands-on experience with serverless architecture, particularly Cloudflare Workers, Durable Objects, and R2 . Solid foundation in web technologies, including HTML5, CSS3, WebSockets, and WebAssembly . Proficiency with data visualization tools and frameworks (e.g., D3.js ). Experience with database management (both SQL and NoSQL ) and efficient data handling techniques. Exceptional problem-solving skills and ability to thrive in a fast-paced, agile environment. Preferred Qualifications Familiarity with CI/CD pipelines and cloud infrastructure. Experience with AI-driven applications or data analytics platforms. Knowledge of performance optimization for large-scale applications. Understanding of meta-frameworks (e.g., SSR, SSG) and Islands Component Architecture . This role offers the opportunity to work on high-impact projects that drive innovation in data visualization and scalable web application development. If you’re passionate about building performant and forward-thinking solutions, this is an excellent opportunity to contribute to our client’s success