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How to Identify Must‑Have vs Nice‑to‑Have Requirements

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

How to Identify Must‑Have vs Nice‑to‑Have Requirements

When you’re building a product, drafting a job description, or planning a career move, the ability to differentiate must‑have from nice‑to‑have requirements can save time, money, and frustration. In this guide we’ll walk you through a proven framework, provide ready‑to‑use checklists, and show how AI‑powered tools like Resumly’s AI Resume Builder can automate parts of the process.


Why Distinguishing Must‑Have from Nice‑to‑Have Matters

  • Resource allocation – Focusing on non‑essential features or skills drains budgets and extends timelines.
  • Candidate experience – Clear must‑have criteria reduce the number of irrelevant applications, improving the experience for both recruiters and job seekers.
  • Product success – Shipping a product with only the core functionalities first (MVP) increases the chance of market fit.

According to a 2023 LinkedIn Talent Trends report, 68% of hiring managers say vague requirement lists lead to longer time‑to‑hire and higher drop‑off rates. The same principle applies to product teams: the more precise you are, the faster you can iterate.


Step‑by‑Step Framework to Identify Must‑Have vs Nice‑to‑Have Requirements

  1. Gather Stakeholder Input – Interview product owners, hiring managers, and end‑users. Use a tool like the Resumly Career Personality Test to surface hidden priorities.
  2. Define the Goal – What is the core problem you’re solving? Write a one‑sentence mission statement.
  3. List All Potential Requirements – Capture everything mentioned, no matter how small.
  4. Apply the 80/20 Rule – Identify which 20% of requirements will deliver 80% of the value.
  5. Categorize – Use the following criteria to label each item:
    • Must‑Have – Non‑negotiable for success, often regulatory or safety‑critical.
    • Nice‑to‑Have – Improves experience or adds competitive edge but isn’t essential for launch.
  6. Validate with Data – Run a quick feasibility study or use historical data. For hiring, run a pilot with the ATS Resume Checker to see which skills actually surface in top candidates.
  7. Prioritize and Document – Create a living document (Google Sheet, Confluence page) that clearly marks each requirement.

Pro tip: When you’re stuck, ask yourself “If we had to launch tomorrow, which of these would cause the project to fail?” The answer points to your must‑haves.


Checklist for Must‑Have Requirements

  • Directly tied to the core goal or job function
  • Legally or compliance‑required
  • Required for safety, security, or data integrity
  • Must be deliverable within the project timeline and budget
  • Supported by measurable success metrics (e.g., 95% test coverage, 3‑year retention rate)
  • Confirmed by at least two independent stakeholders

Example (Hiring):

  • Must have 3+ years of experience with Python for a backend engineer role.
  • Must have a valid work authorization for the country of employment.

Example (Product):

  • Must support payment processing via PCI‑DSS compliant gateway.
  • Must load the homepage in under 2 seconds on a 3G connection.

Checklist for Nice‑to‑Have Requirements

  • Enhances user experience but not critical for core functionality
  • Provides a competitive differentiator but not a market entry barrier
  • Can be deferred to a later release or phase
  • Requires additional resources that are currently unavailable
  • Not validated by existing data or user research

Example (Hiring):

  • Nice to have experience with Docker, but not required for the role.
  • Nice to have a personal portfolio website.

Example (Product):

  • Nice to have dark‑mode UI.
  • Nice to have AI‑driven recommendations (can be added in version 2).

Common Pitfalls: Do’s and Don’ts

Do Don’t
Do involve cross‑functional teams early. Don’t rely solely on a single stakeholder’s opinion.
Do use data‑driven validation (e.g., resume analytics). Don’t assume a skill is essential because it sounds impressive.
Do keep the list short – aim for 5‑7 must‑haves. Don’t overload the list; it dilutes focus and confuses candidates.
Do revisit the list after each sprint or hiring round. Don’t treat the list as static; market conditions change.

Real‑World Examples and Mini‑Case Studies

Case Study 1: Tech Startup Hiring a Data Scientist

Goal: Build a recommendation engine for an e‑commerce platform.

  • Must‑Have:
    • Proficiency in Python and SQL.
    • Experience with collaborative filtering algorithms.
    • Ability to deploy models on AWS SageMaker.
  • Nice‑to‑Have:
    • Knowledge of reinforcement learning.
    • Experience with Spark streaming.

Using Resumly’s Resume Roast, the hiring team filtered out candidates lacking the must‑have Python/SQL combo, cutting the interview pool by 40% and reducing time‑to‑hire from 45 to 28 days.

Case Study 2: SaaS Product MVP Launch

Goal: Release a task‑management tool for remote teams.

  • Must‑Have:
    • Real‑time collaboration.
    • Cross‑platform sync (web & mobile).
    • GDPR‑compliant data storage.
  • Nice‑to‑Have:
    • AI‑generated task suggestions.
    • Customizable themes.

The team applied the 80/20 rule and focused on the three must‑haves, launching in 12 weeks instead of the projected 20. Post‑launch analytics showed a 92% adoption rate among beta users.


Tools to Streamline Requirement Identification (Resumly Features)

CTA: Ready to make your hiring faster? Try Resumly’s free ATS Resume Checker today and see how many candidates truly meet your must‑have requirements.


Frequently Asked Questions (FAQs)

1. How many must‑have requirements should a job posting have?

  • Aim for 3‑5 core skills or qualifications. Anything beyond that is likely a nice‑to‑have.

2. Can a requirement be both must‑have and nice‑to‑have?

  • No. If it’s essential for success, label it must‑have. If it adds value but isn’t critical, label it nice‑to‑have.

3. How do I convince senior leadership to trim the requirement list?

  • Present data: show how each extra requirement lengthens time‑to‑hire or adds development cost. Use the 80/20 rule as a decision‑making framework.

4. What if a candidate meets all must‑haves but lacks nice‑to‑haves?

  • They are still a strong fit. Nice‑to‑haves can be developed on the job or addressed in later releases.

5. How often should I revisit my requirement list?

  • At the end of each sprint for product teams, and after every hiring cycle for recruiters.

6. Does Resumly help with prioritizing requirements?

7. Are there industry‑specific templates?

  • Resumly’s Career Guide offers role‑specific checklists for tech, finance, healthcare, and more.

8. How can I test my requirement list before publishing?


Conclusion

Mastering the art of identifying must‑have vs nice‑to‑have requirements empowers you to build better products, hire faster, and allocate resources wisely. By following the step‑by‑step framework, using the provided checklists, and leveraging AI tools like Resumly’s suite, you can turn vague wish‑lists into actionable, data‑backed plans. Remember: keep your must‑have list short, validate with real data, and revisit regularly. Ready to streamline your next hiring round or product launch? Explore the full capabilities of Resumly at resumly.ai and start turning requirements into results today.

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