Drawing from my extensive 10+ years' experience in IT, particularly in web design and software development, I bring to the table a host of skills that make me perfectly-suited for this project. Utilizing my expertise in frontend tech (ReactJS, AngularJS, VueJS, and NextJS), I can effortlessly incorporate the three-part page template while ensuring a modern, responsive, and user-friendly interface. My backend development skills (using NodeJS, Express, GraphQL, and TypeScript) would also prove handy in driving a seamless interaction between the frontend and the backend.
It is likewise worth noting that I am adept at server configuration and optimization, particularly on cloud platforms like AWS and Azure. This means that not only can I add the missing part to your project but also ensure its optimal performance, scalability, and security. Additionally, I have proven proficiency in graphic design which helps me create aesthetically pleasing designs using industry-standard tools like Photoshop and Illustrator.