Wikimedia Foundation tech stack
Wikimedia Foundation builds mostly with PHP, JavaScript, Python, Bash. Its stack also includes Wikipedia, Kubernetes, Flink, Memcached. Wikipedia is named in 22 of the 28 job postings Wikimedia Foundation published in the last 12 months (79%). Counted by Alion from the job postings of Wikimedia Foundation, updated Sep 27, 2026.
What programming languages does Wikimedia Foundation use?
PHP is named in 39% of job postings at Wikimedia Foundation, followed by JavaScript (25%), Python (25%), Bash (7%).
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What frameworks and libraries does Wikimedia Foundation use?
Flink is named in 11% of job postings at Wikimedia Foundation, followed by OpenTelemetry (4%), SwiftUI (4%), UIKit (4%).
What databases does Wikimedia Foundation use?
Memcached is named in 7% of job postings at Wikimedia Foundation, followed by Presto (7%), Redis (7%), Apache Iceberg (4%).
Memcached
2 7%
Presto
2 7%
Redis
2 7%
Apache Iceberg
1 4%
Cassandra
1 4%
Druid
1 4%
Google BigQuery
1 4%
MariaDB
1 4%
Show all (9)
What cloud and platforms does Wikimedia Foundation use?
Wikipedia is named in 79% of job postings at Wikimedia Foundation, followed by Kubernetes (25%), Apache Kafka (14%), Grafana (11%).
Kubernetes
7 25%
Apache Kafka
4 14%
Grafana
3 11%
Spark
3 11%
Debian
2 7%
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What developer tools does Wikimedia Foundation use?
Drupal is named in 18% of job postings at Wikimedia Foundation, followed by WordPress (18%), Prometheus (14%), Ansible (11%).
Drupal
5 18%
WordPress
5 18%
Prometheus
4 14%
Ansible
3 11%
Puppet
2 7%
Docker
2 7%
ArgoCD
1 4%
Envoy
1 4%
Show all (10)
Which engineering practices does Wikimedia Foundation ask for?
CI/CD is named in 14% of job postings at Wikimedia Foundation, followed by Machine Learning (14%), A/B Testing (11%), Configuration Management (11%).
CI/CD
4 14%
Configuration Management
3 11%
Prompt Engineering
3 11%
AI Agents
2 7%
Show all (14)
What does each Wikimedia Foundation team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
8 postingsDevOps
3 postingsHow does your stack fit Wikimedia Foundation?
How much does Wikimedia Foundation pay by technology?
Median stated pay of the postings that name each technology, against the median of all Wikimedia Foundation postings with stated pay: $176k across 23 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Wikipedia | 18 | $179k | +2% |
| PHP | 8 | $176k | 0% |
| Python | 7 | $176k | 0% |
| Kubernetes | 6 | $178k | +2% |
| JavaScript | 5 | $144k | −18% |
How is the Wikimedia Foundation 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 Wikimedia Foundation stack?
Wikimedia Foundation scores 68 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the Wikimedia Foundation stack in its industry?
Share of the 337 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Wikimedia Foundation apart
Companies with a stack like Wikimedia Foundation
Questions about the Wikimedia Foundation tech stack
What programming languages does Wikimedia Foundation use?
The languages named in Wikimedia Foundation job postings are PHP (39%), JavaScript (25%), Python (25%), Bash (7%), C++ (7%), as a share of the 28 postings of the last 12 months.
Does Wikimedia Foundation use Wikipedia?
Yes. Wikipedia is named in 22 of 28 job postings (79%) and required in 17 of them.
What cloud and platforms does Wikimedia Foundation use?
The cloud and platforms named in Wikimedia Foundation job postings are Wikipedia (22), Kubernetes (7), Apache Kafka (4) (postings in brackets).
What skills do you need for a Backend job at Wikimedia Foundation?
Backend postings at Wikimedia Foundation most often require JavaScript (6), PHP (6), Drupal (3), Wikipedia (3), out of 8 postings in the last 12 months.
Is the Wikimedia Foundation tech stack changing?
Yes. AI Agents first appeared in Wikimedia Foundation job postings in the last six months.
How modern is the Wikimedia Foundation tech stack?
Wikimedia Foundation scores 68 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the Wikimedia Foundation tech stack?
Alion reads every job posting Wikimedia Foundation publishes and tags the technologies each one names. The figures on this page count the 28 postings of the last 12 months and were updated on Sep 27, 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, "Wikimedia Foundation tech stack: 66 technologies from 28 job postings", as of Sep 27, 2026. https://alion.io/company/wikimedia-foundation/technologies