Learn Data Structures & Algorithms in Python

Interactive – learn faster by coding, not watching lectures

Free tier – no-strings-attached 7-day free trial

Learn Python – one of the most top paid, in-demand and employable languages

Data Structures & Algorithms? We’ve Got You Covered

275+ lessons

4 courses, 19 chapters, 275+ interactive lessons.

Once you’ve completed each course, you earn a free certificate.

Learn by coding

Lectures are comfortable, but interactive learning by doing supercharges skill acquisition.

Each of our lessons features interactive coding challenges or multiple-choice questions.

Go at your own pace

Browser-based. No downloads. No deadlines. Complete autonomy.

Learn data structures and algorithms at your own pace.

What you’ll learn in our online data structures & algorithms track

Course 1: Python Fundamentals

Python’s special data types and variable quirks

Python’s special syntax quirks

Using functions and recursion in Python

Understanding basic syntax and unique language features

Grasp the purpose of dynamic typing when delivering real-world software

Build the components of a real-life application, a movie review app

Learn about data structures like Lists, Dictionaries, and Sets. You’ll need to know these for further on in the Track.

Learn why Python is one of the most-loved languages in the world

Course 2: Big O Algorithms

CS math, exponents, and logarithms

Learning the major big O categories including O(n^2), O(log(n)), O(2^n)

Bubble, merge, insertion, and quick sorting

Why different with big O classes matter

Prime factorization

Fixing quick sort’s issues, and learning how it is used practically

Polynomial-time, P

Non-deterministic polynomial time, NP

The Traveling Salesman Problem (TSP)

NP-complete, and NP-hard

Course 3: Big O Data Structures

Data structures used in big O

Lists and list indexing

Stack theory, stack classes, and implementation examples

Pros and cons with LIFO & FIFO

Stacks vs queues and queue class implementation

Binary search trees

Red-black trees

Unbalanced vs balanced trees

How hashmaps work and hashmap class implementation

Graphs and adjacency lists

Depth-first search and breadth-first search

Course 4: Advanced Algorithms

How real companies build technologies like Google Maps

Why different algorithms are used in game development

How to optimize algorithms using caching techniques

Heuristics and AI fundamentals

Pathfinding best practices

Profit optimization for businesses

Why You Should Learn Data Structures & Algorithms with Python

If you want to pass tricky technical interviews and land a coding job, or just generally want to become a better programmer, data structures and algorithms skills are crucial.

Most self-taught or bootcamp-trained programmers have a hard time finding jobs because they lack these key skills.

Our four-course track gives you everything you need to land your dream job and ace your next interview. Never used Python before? The first course, Python Fundamentals, will bring you up to speed.

Stack Overflow’s 2020 report on Python:

$120,000 average salary 

Growing in popularity — Most used language for AI and machine learning

Loved by coders — 3rd most loved language

We love Python because it is:

Simple & quick to learn — Python reads like English and lets you get to the meat of the logic faster

Modern — Python 3 is the latest version, and it’s what we teach in all our courses

Attractive to employers — Python is still on the rise, with more and more companies on board

Still not sold on Python? Check out all 9 reasons why you should learn Python this year.

Complete the Track, earn Certificates

Every Qvault course you complete comes with a downloadable certificate you can share online or attach to a CV. You can even link to your portfolio page so any recruiters can see every course you complete all in one place, like a computer science trophy cabinet.

People think we’ve got the best data structures & algorithms courses

jacob jenne testimonial

Jacob Jenne

CTO at Nuvi – Utah, USA

As an employer, it’s important for me to find engineers who understand the core principles of computer science. I need employees who have been exposed to all kinds of data structures and algorithms. Qvault offers these courses in a way that makes it easy to learn and advance.

Get educated, get a job

If you choose to opt-in, our recruitment portal puts you in contact with recruiters and employers looking to take on new developers, to help you land a coding job.

Frequently Asked Questions

Interested in upgrading to get full access to our Data Structures & Algorithms courses, but unsure what that entails?

What’s the difference between Basic and Pro?

A Basic account is, well, basic. You can demo Pro features on the first 6 exercises of each course (such as our Big O Algorithms course). But after that, if you’re on a Basic plan, you’ll only be able to read the course material and play in the code sandbox. You won’t get access to feedback on your code know if you got the right answers.

Qvault Pro has everything in Basic, plus all the advanced tools, content, solutions, and certifications that you need to make your learning faster.

A Pro account lets you practice much more efficiently by getting instant verification of all your code solutions. If you get stuck, you can use the “cheat” feature to take a look at the solution and quickly see what’s holding you up.

Additionally, one of the biggest benefits our Pro subscribers get is access to free certificates of completion when they finish a course. Showing off your work to employers is a quick way to get that high-paying tech job

For a full list of the differences between Pro and Basic, view our Pricing page.

Do you offer any discounts?

Our top priority is improving the courses, the app, and your experience — so your feedback is super valuable to us.

If you’re happy to help us keep improving our courses to be the best they can be, we’re currently offering a 25% discount to anyone who completes this feedback form. When you’re finished with the survey you’ll be given a coupon code!

Do I need to know how to code in Python or about Big O Notation and Algorithms before signing up?

Our data structures & algorithms Qvault Track is a subset of courses out of our entire course curriculum. These 4 courses teach you everything you need to pass technical interviews, and starts right from the basics as you learn to be a better Python programmer.

Because not everyone already has Python programming skills, we highly recommend you first take our Python Fundamentals course before going straight into the data structures and algorithms courses.

Why should I upgrade to Qvault Pro?

I built Qvault based on the lessons I’ve been learning as a technical hiring manager, so everything we do here is designed to take you from your current level, and get you an eventual high-paying programming job. If you’re ready to accelerate your learning and apply your skills to real-world scenarios, then Qvault Pro is for you.

Aside from the direct benefits, if you like what we’re building here at Qvault, your support helps us improve the platform.

How easy is it to cancel my subscription if I don’t like it?

We do our best to be transparent about pricing, and never want anyone keeping a subscription they don’t use. You can cancel your subscription any time from your settings page and you won’t be billed again.

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Ready to start your journey and learn Data Structures and Algorithms?

Now it’s time for you to start your programming journey, increase your salary, and build the next stage of your career.

Try the first six lessons of our courses completely free, and if you’re enjoying it, get full access to all of our courses with a 7-day free trial. Cancel at any time.