Nextdoor tech stack
Nextdoor builds mostly with Python, SQL, JavaScript, Kotlin. Its stack also includes NumPy, Scikit-learn, Figma, Looker. ChatGPT is named in 22 of the 23 job postings Nextdoor published in the last 12 months (96%). Counted by Alion from the job postings of Nextdoor, updated Nov 15, 2026.
What programming languages does Nextdoor use?
Python is named in 43% of job postings at Nextdoor, followed by SQL (30%), JavaScript (17%), Kotlin (9%).
What frameworks and libraries does Nextdoor use?
NumPy is named in 22% of job postings at Nextdoor, followed by Scikit-learn (22%), Django (13%), React.js (13%).
NumPy
5 22%
Scikit-learn
5 22%
Django
3 13%
React.js
3 13%
Flink
1 4%
JUnit
1 4%
Jetpack Compose
1 4%
MockK
1 4%
Show all (10)
What cloud and platforms does Nextdoor use?
Figma is named in 17% of job postings at Nextdoor, followed by Looker (13%), Apache Kafka (4%), Okta (4%).
What developer tools does Nextdoor use?
Storybook is named in 13% of job postings at Nextdoor, followed by GraphQL (4%), Cursor (4%), Gradle (4%).
What AI and ML technologies does Nextdoor use?
ChatGPT is named in 96% of job postings at Nextdoor, followed by Claude (96%), Gemini (22%), LLM (13%).
Which engineering practices does Nextdoor ask for?
Machine Learning is named in 35% of job postings at Nextdoor, followed by A/B Testing (22%), Recommender Systems (13%), Time Series (9%).
Time Series
2 9%
NLP
2 9%
Sentiment Analysis
2 9%
AI Agents
1 4%
Show all (12)
What other technologies does Nextdoor use?
Kotlin Coroutines is named in 4% of job postings at Nextdoor.
Kotlin Coroutines
1 4%
What does each Nextdoor team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Design
5 postingsBackend
4 postingsMarketing
3 postingsData Science
3 postingsHow does your stack fit Nextdoor?
How much does Nextdoor pay by technology?
Median stated pay of the postings that name each technology, against the median of all Nextdoor postings with stated pay: $250k across 23 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| ChatGPT | 22 | $242k | −3% |
| Claude | 22 | $242k | −3% |
| Python | 10 | $227k | −9% |
| SQL | 7 | $234k | −6% |
| NumPy | 5 | $234k | −6% |
| Scikit-learn | 5 | $234k | −6% |
| Gemini | 5 | $203k | −19% |
How is the Nextdoor stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Nextdoor stack?
Nextdoor scores 90 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 4; legacy ones: 0.
How common is the Nextdoor stack in its industry?
Share of the 1,453 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Nextdoor apart
Companies with a stack like Nextdoor
Questions about the Nextdoor tech stack
What programming languages does Nextdoor use?
The languages named in Nextdoor job postings are Python (43%), SQL (30%), JavaScript (17%), Kotlin (9%), Java (9%), as a share of the 23 postings of the last 12 months.
Does Nextdoor use NumPy?
Yes. NumPy is named in 5 of 23 job postings (22%) and required in 5 of them.
What cloud and platforms does Nextdoor use?
The cloud and platforms named in Nextdoor job postings are Figma (4), Looker (3), Apache Kafka (1) (postings in brackets).
What skills do you need for a Design job at Nextdoor?
Design postings at Nextdoor most often require ChatGPT (5), Claude (5), Figma (4), Gemini (3), out of 5 postings in the last 12 months.
Is the Nextdoor tech stack changing?
Yes. Time Series, Sentiment Analysis, JavaScript, Django first appeared in Nextdoor job postings in the last six months.
How modern is the Nextdoor tech stack?
Nextdoor scores 90 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 4; legacy ones: 0.
How does Alion know the Nextdoor tech stack?
Alion reads every job posting Nextdoor publishes and tags the technologies each one names. The figures on this page count the 23 postings of the last 12 months and were updated on Nov 15, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Nextdoor tech stack: 44 technologies from 23 job postings", as of Nov 15, 2026. https://alion.io/company/nextdoor/technologies