DuckDuckGo tech stack
DuckDuckGo builds mostly with Python, Perl, JavaScript, SQL. Its stack also includes Windows, Figma, Amazon Redshift, ClickHouse. Windows is named in 16 of the 16 job postings DuckDuckGo published in the last 12 months (100%). Counted by Alion from the job postings of DuckDuckGo, updated Oct 5, 2026.
What programming languages does DuckDuckGo use?
Python is named in 38% of job postings at DuckDuckGo, followed by Perl (25%), JavaScript (25%), SQL (19%).
C# 
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What databases does DuckDuckGo use?
Amazon Redshift is named in 13% of job postings at DuckDuckGo, followed by ClickHouse (13%), Google BigQuery (13%), BigQuery (6%).
Amazon Redshift
2 13%
ClickHouse
2 13%
Google BigQuery
2 13%
BigQuery
1 6%
ElasticSearch
1 6%
OpenSearch
1 6%
Vespa
1 6%
What cloud and platforms does DuckDuckGo use?
Windows is named in 100% of job postings at DuckDuckGo, followed by Figma (13%), Linux (6%), Power BI (6%).
What developer tools does DuckDuckGo use?
Docker is named in 6% of job postings at DuckDuckGo, followed by Docker Compose (6%), Maestro (6%).
What AI and ML technologies does DuckDuckGo use?
ChatGPT is named in 81% of job postings at DuckDuckGo, followed by Claude (81%), LLM (25%).
Which engineering practices does DuckDuckGo ask for?
AI Agents is named in 31% of job postings at DuckDuckGo, followed by NLP (19%), Fine-tuning (13%), Agentic Workflows (6%).
AI Agents
5 31%
NLP
3 19%
Fine-tuning
2 13%
Prompt Engineering
1 6%
RAG
1 6%
Web Components
1 6%
How does your stack fit DuckDuckGo?
How much does DuckDuckGo pay by technology?
Median stated pay of the postings that name each technology, against the median of all DuckDuckGo postings with stated pay: $179k across 16 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Windows | 16 | $179k | 0% |
| ChatGPT | 13 | $179k | 0% |
| Claude | 13 | $179k | 0% |
| Python | 6 | $200k | +12% |
How is the DuckDuckGo 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 DuckDuckGo stack?
DuckDuckGo scores 89 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: 3; legacy ones: 0.
How common is the DuckDuckGo stack in its industry?
Share of the 135 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like DuckDuckGo
Questions about the DuckDuckGo tech stack
What programming languages does DuckDuckGo use?
The languages named in DuckDuckGo job postings are Python (38%), Perl (25%), JavaScript (25%), SQL (19%), Kotlin (19%), as a share of the 16 postings of the last 12 months.
Does DuckDuckGo use Windows?
Yes. Windows is named in 16 of 16 job postings (100%) and required in 2 of them.
What cloud and platforms does DuckDuckGo use?
The cloud and platforms named in DuckDuckGo job postings are Windows (16), Figma (2), Linux (1) (postings in brackets).
Is the DuckDuckGo tech stack changing?
Yes. Figma, Kotlin, C#, Swift first appeared in DuckDuckGo job postings in the last six months.
How modern is the DuckDuckGo tech stack?
DuckDuckGo scores 89 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: 3; legacy ones: 0.
How does Alion know the DuckDuckGo tech stack?
Alion reads every job posting DuckDuckGo publishes and tags the technologies each one names. The figures on this page count the 16 postings of the last 12 months and were updated on Oct 5, 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, "DuckDuckGo tech stack: 36 technologies from 16 job postings", as of Oct 5, 2026. https://alion.io/company/duckduckgo/technologies