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You’re not bad at codingYou just need stronger fundamentals

We teach you data structures by having you build them from scratch, so they stick. Then we help you get hired with mock interviews and resume rewrites from engineers at the companies you’re aiming for.

Our students have landed at
Adobe
Amazon
Apple
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Atlassian
Bloomberg
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Coinbase
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Databricks
DocuSign
DoorDash
Duolingo
Figma
Gap
Google
Hive
HubSpot
Intuit
Jane Street
LinkedIn
Adobe
Amazon
Apple
Asana
Atlassian
Bloomberg
Box
Capital One
Chegg
Cisco
Citadel
Coinbase
Cruise
Databricks
DocuSign
DoorDash
Duolingo
Figma
Gap
Google
Hive
HubSpot
Intuit
Jane Street
LinkedIn
Adobe
Amazon
Apple
Asana
Atlassian
Bloomberg
Box
Capital One
Chegg
Cisco
Citadel
Coinbase
Cruise
Databricks
DocuSign
DoorDash
Duolingo
Figma
Gap
Google
Hive
HubSpot
Intuit
Jane Street
LinkedIn
Lyft
Mantle
Mercury
Meta
Microsoft
Netflix
NVIDIA
OpenAI
Optiver
Palantir
Pinterest
PlayStation
Robinhood
Roblox
Shopify
Slack
Stripe
TikTok
Twitch
Two Sigma
Uber
Walmart
Lyft
Mantle
Mercury
Meta
Microsoft
Netflix
NVIDIA
OpenAI
Optiver
Palantir
Pinterest
PlayStation
Robinhood
Roblox
Shopify
Slack
Stripe
TikTok
Twitch
Two Sigma
Uber
Walmart
Lyft
Mantle
Mercury
Meta
Microsoft
Netflix
NVIDIA
OpenAI
Optiver
Palantir
Pinterest
PlayStation
Robinhood
Roblox
Shopify
Slack
Stripe
TikTok
Twitch
Two Sigma
Uber
Walmart
The learning platform

Learn it. Build it. Run it. Understand it.

Learn data structures in a way that doesn’t escape you in the interview: build each one yourself, then run it against real tests. Nothing to install.

Curriculum / Linked Lists /Implement LinkedList.appendNot solvedEasy
00:04:12
Module 3 · Self-paced
Linked Lists
5 activities · ~140 min total
Nodes & pointers
Singly vs. doubly
LinkedList.append
Reverse a list
LRU cacheProject
42%
19 of 45 activities3 of 10 solved · Module 3Next: Reverse a list
linked_list.pytests.py
Python 3.11 · UTF-8
1class Node:
2 def __init__(self, value, next=None):
3 self.value = value
4 self.next = next
5
6class LinkedList:
7 def __init__(self):
8 self.head = None
9 self.size = 0
10
11 def append(self, value):
12 node = Node(value)
13 if self.head is None:
14 self.head = node
15 return
16 cur = self.head
17 while cur.next:
18 cur = cur.next
19 cur.next = node
20 self.size += 1
Test results7/9 passed
⌘↵
test_append_to_empty · ll.append(4); ll.head.value4 → 4
test_append_keeps_order · [1, 2, 3][1, 2, 3] → [1, 2, 3]
test_size_after_first_append · ll.append(4); ll.sizeexpected 1 · got 0
Hint: the early return on line 15 skips the size update. 6 more tests passed.
Services

Now turn those skills into an offer

  1. 01

    Practice the interview

    Mock interviews with engineers from the companies you’re targeting, with feedback you can act on.

  2. 02

    Fix what stands between you and the offer

    Resume and LinkedIn rewrites built to get past the filters and in front of a recruiter.

  3. 03

    Or take the whole path with us

    A multi-week program with curriculum, mock interviews and mentorship, and a guaranteed interview.

Testimonials

Real students, real offers

About us

Built by engineers who’ve walked the path

700+students hired
1,900+in the Discord community
Meet the founders
Maxwell Myers
Maxwell MyersChief Executive OfficerMicrosoft

UMD student-athlete turned CS grad. I cracked the code after 420+ applications and am dedicated to helping aspiring SWEs land roles faster.

Brian Quainoo
Brian QuainooChief Revenue OfficerUMD

Background in chemistry, now head of operations and sales. My passion is linking students to opportunities that shape their futures.

Gerdin Ventura
Gerdin VenturaChief Technology OfficerPinterest

My mission is simple: empower aspiring engineers with the skills and confidence to land the tech careers they’ve always dreamed of.

Papa Asibuo
Papa AsibuoProduct LeadDocuSign

Previously 3x Microsoft intern (PM and SWE). SWE at DocuSign and iOS dev at Laps. Passionate about building products that move people.