Education · Guide
How to Write a Resume and Cover Letter That Win Interviews
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In brief
A resume and cover letter win interviews when they are tailored to the specific job, built around measurable achievements, and formatted so both a hiring manager and an applicant tracking system (ATS) can read them. Guidance from Harvard Career Services, Purdue University's Online Writing Lab, and ATS research published by Jobscan point to a repeatable structure for both documents, summarized step by step below.
Job seekers searching for resume and cover letter advice are usually trying to solve two problems at once: getting past automated screening software and convincing a human reader to schedule an interview. Career-services offices and applicant-tracking-system (ATS) researchers describe overlapping but distinct rules for each goal.
Choosing a Resume Format
Purdue University's Online Writing Lab (OWL), a widely used academic writing resource, identifies several résumé format variations and recommends tailoring the document to the specific employer rather than sending one version to every opening.
| Format | What it does |
|---|---|
| Chronological | Lists work history in reverse order; the traditional, most common structure |
| Functional (skills-based) | Organizes content around skill categories instead of a job-by-job timeline |
| Scannable / ATS-formatted | Built specifically so applicant tracking software can read it before a person does |
On length, Purdue OWL notes that while a one-page résumé remains the traditional expectation, employers are accepting longer résumés in certain instances, generally tied to how much relevant experience a candidate has.
Steps for Building the Resume
- Pick a format (chronological, functional, or a scannable/ATS version) based on your work history and the employer, per Purdue OWL.
- Include the core sections Purdue OWL lists: contact information, education, work experience, and skills or honors/activities.
- Put the exact job title from the posting in your resume headline; Jobscan cites research finding that resumes containing the exact job title received interview invitations at a rate reported as 10.6 times higher.
- Write bullet points that pair a specific skill with a measurable result instead of listing duties, as Jobscan recommends.
- Match the hard skills and language used in the job description, including both the long-form term and its acronym (for example, 'Search Engine Optimization (SEO)'), per Jobscan.
- Format for machine readability: use a single-column layout, avoid tables, text boxes and graphics, use standard section headings such as 'Work Experience' and 'Education,' and save the file as .docx or a text-based PDF, per Jobscan's ATS guidance.
Writing the Cover Letter
Harvard Career Services (FAS) describes the cover letter as a narrative companion to the resume rather than a repeat of it, built around three sections.
- Opening paragraph: name the position and organization and state a specific, genuine reason for applying rather than a generic statement of interest, per Harvard Career Services.
- Middle paragraph(s): describe concrete, quantified accomplishments; Harvard's own example is 'Grew a student org's Instagram following from 200 to 1,400' rather than simply stating a task was completed.
- Closing paragraph: restate interest directly and thank the reader, avoiding weak phrasing such as 'I hope to hear from you,' per Harvard Career Services.
- Keep the whole letter to one page, three to four short paragraphs, roughly 250 to 400 words, per Harvard Career Services.
- Use a standard font (Arial, Calibri, or Georgia) at 11 or 12 point, one-inch margins, single spacing within paragraphs, and save as a PDF unless the employer requests another format, per Harvard Career Services.
Your cover letter doesn't need to be perfect. It needs to be specific, honest, and written like a real person sent it.
Mistakes That Cost Interviews
- Sending a generic, unedited form letter to every employer, per Harvard Career Services.
- Writing a cover letter that is too long or focused on what the candidate wants rather than the value offered to the employer, per Harvard Career Services.
- Using weak verbs and leaving proofreading errors in the final document, per Harvard Career Services.
- Using decorative formatting, multi-column layouts, tables, or graphics that an ATS parser cannot read correctly, per Jobscan.
- Stuffing keywords into the resume without context instead of embedding them in achievement-focused bullet points, per Jobscan.
Questions
- How long should a resume be?
- Purdue OWL describes one page as the traditional expectation, but notes employers are accepting longer résumés in certain instances, generally depending on the candidate's amount of relevant experience.
- How long should a cover letter be?
- Harvard Career Services recommends one page: three to four short paragraphs, roughly 250 to 400 words.
- Which resume format should I use?
- Purdue OWL describes chronological (reverse-order work history), functional/skills-based, and scannable/ATS-formatted résumés as the main variations, chosen based on the candidate's background and the employer.
- How do I get my resume past an ATS?
- Jobscan recommends a single-column layout, avoiding tables, text boxes and graphics, using standard section headings, saving the file as .docx or a text-based PDF, and matching the exact job title and hard skills from the posting.
- Should I include numbers in my cover letter, not just my resume?
- Yes — Harvard Career Services' own example favors a quantified accomplishment ('Grew a student org's Instagram following from 200 to 1,400') over a vague description of a completed task.
Sources
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