Nextdoor tech stack
Nextdoor builds mostly with Python, SQL, Kotlin, Go. Its stack also includes NumPy, Scikit-learn, AWS, Apache Kafka. Python is named in 7 of the 10 job postings Nextdoor published in the last 12 months (70%). Counted by Alion from the job postings of Nextdoor, updated Oct 10, 2026.
What programming languages does Nextdoor use?
Python is named in 70% of job postings at Nextdoor, followed by SQL (60%), Kotlin (20%), Go (10%).
What frameworks and libraries does Nextdoor use?
NumPy is named in 30% of job postings at Nextdoor, followed by Scikit-learn (30%), Django (20%), React.js (10%).
What databases does Nextdoor use?
PostgreSQL is named in 10% of job postings at Nextdoor, followed by Redis (10%).
PostgreSQL
1 10%
Redis
1 10%
What cloud and platforms does Nextdoor use?
AWS is named in 10% of job postings at Nextdoor, followed by Apache Kafka (10%), Figma (10%), GitHub (10%).
What developer tools does Nextdoor use?
Cursor is named in 10% of job postings at Nextdoor, followed by GraphQL (10%), Storybook (10%), Windsurf (10%).
What AI and ML technologies does Nextdoor use?
ChatGPT is named in 10% of job postings at Nextdoor, followed by Claude (10%), Gemini (10%), LLM (10%).
Which engineering practices does Nextdoor ask for?
A/B Testing is named in 30% of job postings at Nextdoor, followed by Machine Learning (20%), AI Agents (10%), ETL/ELT (10%).
AI Agents
1 10%
RAG
1 10%
SLI/SLO/SLA
1 10%
What does each Nextdoor team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
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 10 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 7 | $234k | −6% |
| SQL | 6 | $242k | −3% |
How modern is the Nextdoor stack?
Nextdoor scores 95 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 29 companies in the same industries, whose stack Alion knows, that use each technology.
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 (70%), SQL (60%), Kotlin (20%), Go (10%), JavaScript (10%), as a share of the 10 postings of the last 12 months.
Does Nextdoor use NumPy?
Yes. NumPy is named in 3 of 10 job postings (30%) and required in 3 of them.
What cloud and platforms does Nextdoor use?
The cloud and platforms named in Nextdoor job postings are AWS (1), Apache Kafka (1), Figma (1) (postings in brackets).
What skills do you need for a Backend job at Nextdoor?
Backend postings at Nextdoor most often require Python (3), Django (2), Kotlin (2), out of 3 postings in the last 12 months.
Is the Nextdoor tech stack changing?
No new technology has appeared in Nextdoor job postings in the last six months.
How modern is the Nextdoor tech stack?
Nextdoor scores 95 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 10 postings of the last 12 months and were updated on Oct 10, 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: 31 technologies from 10 job postings", as of Oct 10, 2026. https://alion.io/company/nextdoor-co-uk/technologies