Why the Skills Section Exists
The skills section on a resume serves two functions. First, it helps applicant tracking systems identify whether your resume contains the keywords relevant to the role. Second, it gives a human reader a quick summary of your technical and functional capabilities before they read your work history in detail. Neither function is served by a skills section padded with generic soft skills, outdated technologies, or things expected of any professional that do not differentiate you.
Technical Skills: What to Include and How
Technical skills are the clearest category. Programming languages, software tools, platforms, methodologies, certifications, and domain-specific tools all belong here if they are relevant to the work you are applying for.
A useful internal test: for each technical skill you list, ask yourself whether you could walk into an interview tomorrow and answer substantive questions about it without significant cramming. If yes, it belongs on the resume. If no, either drop it or get to proficiency before applying to roles that require it.
How ATS Systems Parse Skills
Most large companies use applicant tracking systems that scan resumes for keywords before a human sees them. The skills section is one of the primary places these systems look. Your skills section should use the exact terminology the job posting uses, where that terminology is accurate for you. If a posting says "SQL" and you list "Structured Query Language," you may be technically right but practically invisible to the ATS.
Soft Skills: The Case Against Listing Them
The problem is that soft skills like "strong communicator" and "team player" are so universally claimed that they carry almost no information. Soft skills are far more effectively conveyed through work history descriptions. Showing that you led a cross-functional team of eight people through a product launch is a demonstration of communication and leadership that is specific, credible, and memorable. A line item in a skills section is not.
What to Cut Immediately
"Microsoft Office" is expected of all office workers and adds nothing. "Fast learner" and "self-motivated" are claims that every hiring manager has read ten thousand times and long since stopped processing. "Hardworking" tells the reader nothing a fraudulent candidate would not also say. Also cut skills that are outdated for your field, as listing deprecated technologies signals to technical readers that your knowledge may not be current.
Organizing the Skills Section Effectively
A flat alphabetical list of 25 skills is harder to read and process than a short, grouped list organized by category. A data scientist might group their skills as: "Languages: Python, R, SQL" and "Tools: Tableau, dbt, Spark" and "Methods: regression analysis, A/B testing, NLP." This structure gives the reader a much cleaner picture of your capabilities. Keep the section relatively short: eight to fifteen items, grouped clearly, is usually the right size.