Dear Hiring Manager,
I am excited to apply for the Back End Developer role at your company. With several years of experience in web development, I believe that my skills and knowledge can make a significant contribution to your team.
During my previous roles, I have honed my expertise in designing and implementing complex web applications from scratch. My strong proficiency in back-end programming languages such as Python, Java and Node.js has enabled me to build scalable systems with robust functionality.