If your resume is light on experience, a recognized certification is a cheap way to show you can learn and finish things. These five are beginner-friendly, and most cost nothing or very little if you use a student benefit or the free trial. Details below come from each provider's own page, checked on September 30, 2026. Prices change, so confirm on the provider's site before you pay.
1. MongoDB Associate Developer
- Student costFree voucher (valued at $150)
- RequiresGitHub Student Developer Pack
- Claim byPassing a MongoDB University learning path
This is the one worth doing if you want a database credential for backend or full-stack roles. MongoDB's student page says verified students get a free certification voucher through the GitHub Student Developer Pack. You verify your student status at mongodb.com/students with your GitHub details, then complete and pass all the courses in a certification learning path on MongoDB University to claim the voucher.
Two details from MongoDB's page: your GitHub and MongoDB University emails don't have to match, and you can earn one free voucher per completed learning path. If you miss your scheduled exam, no replacement voucher is issued, so reschedule at least 24 hours ahead.
See the Associate Developer exam or claim the student voucher.
2. Career Essentials in Generative AI (Microsoft and LinkedIn)
- Length4h 37m
- WhereLinkedIn Learning
- TypeLearning path
A short learning path on generative AI basics, co-branded by Microsoft and LinkedIn. It runs about four and a half hours. LinkedIn Learning is a subscription product, and its page doesn't advertise free access for this path, so check whether your school or local library gives you a LinkedIn Learning login before paying.
3. Google AI Essentials
- LengthUnder 5 hours
- Modules5
- Cost$49/mo after 7-day free trial
Google's beginner course on using AI tools at work. It covers intro to AI, productivity with AI tools, prompting, using AI responsibly and keeping up with the field. It is self-paced on Coursera, needs no experience and ends with a Google certificate you can share on your resume and LinkedIn. Because it takes under five hours, most people can finish inside the free trial.
Google AI Essentials or go straight to it on Coursera.
4. Google Data Analytics Professional Certificate
- Courses9
- PaceUnder 6 months at ~10 hrs/week
- Cost$49/mo after 7-day free trial
The longest of the five, and the most relevant for analyst roles. Nine courses cover data cleaning, analysis, visualization and storytelling using spreadsheets, SQL, Python, R and Tableau, with a capstone case study. Coursera says most learners finish for under $300, and financial aid is available if that's still too much.
Google Data Analytics Certificate
5. Prompt Engineering for ChatGPT (Vanderbilt)
- InstructorDr. Jules White
- Length~2 weeks at 10 hrs/week
- LevelBeginner
A six-module course from Vanderbilt University on writing effective prompts, from the basics to patterns like personas and few-shot examples. Enrolling is free on Coursera; the shareable certificate requires paid enrollment, and financial aid is offered. Coursera lists a 4.8-star rating from over 8,000 reviews.
Prompt Engineering for ChatGPT
Which one should you start with?
If you're a student aiming at backend or full-stack roles, claim the MongoDB voucher first, since it's the only one that can be fully free. If you want something you can finish this weekend, Google AI Essentials fits in the free trial. For analyst roles, the Data Analytics certificate carries the most weight, and the two AI courses are quick additions once you have a project or internship to list them beside.
Frequently asked questions
How can a student get the MongoDB Associate Developer exam for free?
MongoDB's student page says verified students get a free certification voucher (valued at $150) through the GitHub Student Developer Pack. You verify your student status at mongodb.com/students with your GitHub details, then complete and pass all the courses in a certification learning path on MongoDB University to claim it.
Are Google AI Essentials and the Google Data Analytics certificate free?
Not outright. Both are on Coursera. Google's own pages list $49 per month in the U.S. and Canada after a 7-day free trial, and Google AI Essentials takes under 5 hours, so it can cost very little. Coursera also offers financial aid on the Data Analytics certificate for learners who qualify.
Can I take Vanderbilt's Prompt Engineering for ChatGPT course for free?
Enrollment is free on Coursera, but the shareable certificate needs paid enrollment. It is a beginner course taught by Dr. Jules White, rated 4.8 stars, and Coursera lists it at about two weeks at 10 hours a week, self-paced.
Do these certifications actually help you get hired?
They show initiative and give you concrete skills to name on a resume, which matters most when you have little work experience. They do not replace projects or internships, so list them next to real work rather than instead of it.