Yes, especially for junior and mid-level developers. GitHub repositories, deployed apps, technical portfolios, and live projects provide proof of execution. Hiring managers often review them before scheduling interviews.

The ideal length is typically 300 to 450 words. Engineering hiring managers prefer concise, high-signal communication that quickly demonstrates technical relevance and impact.

Yes, particularly in competitive hiring markets. Many candidates have similar technical stacks. A strong cover letter helps explain product impact, technical ownership, and company alignment beyond what a resume alone shows.

Focus on deployed applications, GitHub projects, APIs, authentication systems, cloud deployment, collaboration, and practical problem-solving. Real projects matter more than generic coursework descriptions.

Only mention technologies directly relevant to the role. Prioritize frontend frameworks, backend tools, cloud infrastructure, databases, deployment workflows, and testing technologies that align with the employer’s stack.

Senior developers should focus more on architecture, scalability, leadership, mentoring, engineering standards, and cross-functional influence rather