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What Should I Include in a Modern Cover Letter?

Posted on October 07, 2025
Jane Smith
Career & Resume Expert
Jane Smith
Career & Resume Expert

What Should I Include in a Modern Cover Letter?

In today's hyper‑competitive job market, a modern cover letter is more than a polite introduction—it’s a strategic marketing piece that showcases your fit, personality, and value proposition. Recruiters skim hundreds of applications, and a well‑crafted cover letter can be the decisive factor that moves you from the pile to the interview stage. In this guide we’ll break down every element you should include, provide actionable checklists, and show you how Resumly’s AI tools can streamline the process.


Why a Modern Cover Letter Still Matters

Even with the rise of AI‑driven applicant tracking systems (ATS), 48% of recruiters say a tailored cover letter influences hiring decisions (source: Jobvite 2023 Survey). A modern cover letter:

  • Humanizes your application beyond keywords.
  • Demonstrates research – you’ve taken the time to understand the company.
  • Highlights soft skills that are hard for an ATS to parse.
  • Provides context for career gaps, transitions, or unique achievements.

When done right, it complements your resume and boosts your chances of landing an interview.


Core Components You Must Include

Below is the anatomy of a modern cover letter. Each section should be concise (3‑5 sentences max) and purpose‑driven.

1. Header (Your Contact Info)

Header: The top section containing your contact information. Include your name, phone number, email, LinkedIn profile, and optionally a personal website.

Jane Doe
jane.doe@email.com | (555) 123‑4567
LinkedIn: linkedin.com/in/janedoe | Portfolio: janedoe.com

Tip: Use the same header style as your resume for visual consistency. Resumly’s AI Resume Builder can generate a matching design in seconds.

2. Salutation

Address the hiring manager by name whenever possible. If the name isn’t listed, use a professional generic greeting such as “Dear Hiring Team.”

Do: “Dear Ms. Patel,” Don’t: “To whom it may concern.”

3. Opening Paragraph – The Hook

Your opening should answer three questions in one sentence:

  1. Who are you? (Your current role or professional identity)
  2. What position are you applying for?
  3. Why you’re excited about this specific company?

Example:

I am a data‑driven product manager with 5 years of SaaS experience, and I’m thrilled to apply for the Senior Product Lead role at Acme Corp because of your commitment to AI‑powered customer insights.

4. Body Paragraph(s) – Value Proposition

Here you connect your skills to the job description. Use the CAR (Challenge‑Action‑Result) framework for each bullet point you discuss.

Example:

At XYZ Ltd., I faced a 30% churn rate (Challenge). I led a cross‑functional team to redesign the onboarding flow, implementing personalized tutorials and in‑app messaging (Action). The initiative reduced churn by 12% within six months, saving $1.2 M in revenue (Result).

Do: Quantify achievements. Don’t: Re‑hash your resume line‑by‑line.

5. Closing Paragraph – Call to Action

Re‑affirm your enthusiasm, mention any attached work samples, and propose a next step.

I look forward to discussing how my background in growth analytics can accelerate Acme’s product roadmap. I’ve attached my portfolio and would welcome the opportunity for a brief call next week.

6. Signature

End with a professional sign‑off (e.g., “Sincerely,”) followed by your typed name. If sending electronically, you can add a digital signature image.


Formatting & Style Guidelines

Do Don’t
Keep it to one page (350‑400 words). Write a novel – recruiters lose interest after 5 minutes.
Use a clean, readable font (Arial, Calibri, 10‑12 pt). Use decorative fonts or all caps.
Align left; use 1‑inch margins. Center everything – looks unprofessional.
Tailor each letter to the specific role/company. Send a generic template to every employer.

Length: Aim for 3‑4 short paragraphs. Tone: Professional yet personable; mirror the company’s culture (formal for finance, conversational for startups).


Step‑By‑Step Guide to Writing Your Modern Cover Letter

  1. Research the company – read the “About Us” page, recent news, and the job posting.
  2. Identify 2‑3 key requirements that match your experience.
  3. Draft the header using the same style as your resume.
  4. Write the opening hook – answer who, what, and why.
  5. Select 2‑3 achievements that align with the identified requirements; apply the CAR framework.
  6. Craft the closing with a clear call to action.
  7. Proofread for grammar, tone, and length.
  8. Run it through an AI checker (e.g., Resumly’s AI Cover Letter) to optimize keywords and readability.
  9. Export as PDF and attach to your application.

Checklist: Does Your Cover Letter Hit All the Marks?

  • Header matches resume branding.
  • Hiring manager’s name is correct.
  • Opening paragraph includes role, company, and excitement.
  • Each body bullet follows the CAR framework.
  • Quantifiable results are present.
  • Language mirrors the job description (keywords, tone).
  • No more than 400 words.
  • Proofread for typos and grammar.
  • Includes a call to action.
  • Saved as a PDF with a professional filename (e.g., JaneDoe_CoverLetter_Acme.pdf).

Do’s and Don’ts Quick Reference

Do

  • Personalize every letter.
  • Highlight transferable skills for career changers.
  • Use active verbs (led, created, optimized).
  • Keep paragraphs short – white space improves readability.

Don’t

  • Repeat your resume verbatim.
  • Use clichés (“team player”, “hard‑working”) without evidence.
  • Include salary expectations or personal details unrelated to the job.
  • Forget to proofread – a single typo can cost you the interview.

Leveraging AI: How Resumly Can Supercharge Your Cover Letter

Resumly offers a suite of AI‑powered tools that take the guesswork out of cover‑letter creation:

  • AI Cover Letter – Input the job description and your resume; the engine drafts a customized letter in seconds.
  • AI Resume Builder – Ensure visual consistency between your resume and cover letter.
  • Interview Practice – Simulate interview questions based on the cover‑letter content you submitted.
  • Job Search – Find openings that match the skills highlighted in your letter.

Pro tip: After generating a draft with the AI Cover Letter tool, edit the text to add a personal anecdote that only you can provide. This hybrid approach blends efficiency with authenticity.


Real‑World Example: From Draft to Final

Scenario: You’re applying for a Marketing Manager role at a fast‑growing fintech startup.

  1. Research: Discover the company recently launched a mobile payment app and values data‑driven growth.
  2. Key Requirements: 1) Experience with growth marketing, 2) Ability to analyze user data, 3) Strong copywriting skills.
  3. Your CAR achievements:
    • Challenge: Low user acquisition cost (UAC) for a previous app.
    • Action: Implemented A/B testing on ad creatives and optimized funnel landing pages.
    • Result: Reduced UAC by 35% and increased sign‑ups by 22% in three months.
  4. Draft (AI‑assisted):
    Dear Mr. Lee,
    
    I am a growth‑focused marketer with 4 years of fintech experience, and I am excited to apply for the Marketing Manager position at FinPulse. Your recent launch of the PulsePay app aligns perfectly with my passion for data‑driven user acquisition.
    
    At MoneyWave, I tackled a 30% churn rate by launching a segmented email campaign and refining our onboarding flow. The initiative cut churn by 15% and boosted monthly active users by 18%.
    
    I would love to discuss how my expertise in analytics and creative copy can accelerate FinPulse’s market penetration. I have attached my portfolio and am available for a call next week.
    
    Sincerely,
    Jane Doe
    
  5. Human edit: Add a line referencing a recent press release about the company’s partnership with a major bank – shows you’re up‑to‑date.
  6. Final check: Run through Resumly’s Buzzword Detector to ensure you’re not over‑using jargon.

Frequently Asked Questions (FAQs)

1. How long should a modern cover letter be?

Aim for 350‑400 words (about three to four short paragraphs). Recruiters appreciate brevity.

2. Can I use the same cover letter for multiple applications?

No. Tailor each letter to the specific role and company. Even small tweaks (company name, a relevant project) increase relevance.

3. Should I mention salary expectations?

Generally, leave salary discussions for later stages unless the job posting explicitly asks for it.

4. How do I address a hiring manager whose name I can’t find?

Use a specific department title (e.g., “Dear Marketing Team”) rather than a vague “To whom it may concern.”

5. What if I have a career gap?

Briefly acknowledge it in the body and focus on what you learned or how you stayed current (e.g., freelance projects, certifications).

6. Are keywords still important?

Yes. Incorporate 2‑3 keywords from the job description naturally; Resumly’s Job‑Search Keywords tool can suggest the best matches.

7. How can I make my cover letter stand out visually?

Keep the design clean and consistent with your resume. Use subtle bold for section headings, but avoid colors or graphics unless you’re applying for a creative role.

8. Should I attach a cover letter if the application portal has a text box?

Paste the same content into the box, but still keep the formatting (paragraph breaks). Some ATS parse the text box, others treat it as a separate document.


Conclusion: What Should I Include in a Modern Cover Letter?

A modern cover letter is a concise, personalized narrative that shows you understand the role, quantifies your impact, and conveys genuine enthusiasm. By including a well‑structured header, a compelling hook, CAR‑based achievements, and a clear call to action—while adhering to formatting best practices—you create a powerful complement to your resume.

Leverage Resumly’s AI suite to draft, refine, and perfect each element, saving time without sacrificing authenticity. Remember, the goal is to make the hiring manager say, “We need to meet this candidate.”

Ready to craft a standout cover letter? Try Resumly’s AI Cover Letter today and accelerate your job‑search journey.

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