Dear Hiring Manager, I am excited to apply for the Senior Software Engineer position at your company. With over 5 years of experience in full-stack development and a proven track record of delivering high-impact projects, I am confident in my ability to contribute significantly to your team. My experience includes leading development teams, implementing scalable architectures, and mentoring junior developers. I am passionate about clean code, performance optimization, and staying current with emerging technologies. I would welcome the opportunity to discuss how my skills and experience align with your team's needs. Best regards, Alex Johnson