Calix tech stack
Calix builds mostly with Python, Java, SQL, Go. Its stack also includes GCP, Grafana, Selenium, Google Cloud Spanner. Python is named in 20 of the 31 job postings Calix published in the last 12 months (65%). Counted by Alion from the job postings of Calix, updated Nov 12, 2026.
What programming languages does Calix use?
Python is named in 65% of job postings at Calix, followed by Java (26%), SQL (23%), Go (23%).
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What frameworks and libraries does Calix use?
Selenium is named in 19% of job postings at Calix, followed by Cucumber (10%), Playwright (10%), Cypress (6%).
Selenium
6 19%
Cucumber
3 10%
Playwright
3 10%
Cypress
2 6%
Flink
2 6%
OpenTelemetry
2 6%
Robot Framework
2 6%
AutoGen
1 3%
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What databases does Calix use?
Google Cloud Spanner is named in 13% of job postings at Calix, followed by Google BigQuery (10%), Cassandra (6%), Oracle (6%).
Google Cloud Spanner
4 13%
Google BigQuery
3 10%
Cassandra
2 6%
Oracle
2 6%
PostgreSQL
2 6%
Redis
2 6%
Amazon Aurora
1 3%
ElasticSearch
1 3%
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What cloud and platforms does Calix use?
GCP is named in 39% of job postings at Calix, followed by Grafana (32%), Linux (32%), Apache Kafka (26%).
GCP
12 39%
Grafana
10 32%
Apache Kafka
8 26%
Kubernetes
8 26%
AWS
7 23%
Azure
6 19%
Google GKE
5 16%
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What developer tools does Calix use?
Prometheus is named in 26% of job postings at Calix, followed by Rest API (23%), ArgoCD (16%), Git (16%).
Prometheus
8 26%
Rest API
7 23%
ArgoCD
5 16%
Git
5 16%
Jenkins
5 16%
Tcpdump
5 16%
Loki
4 13%
Mimir
4 13%
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What AI and ML technologies does Calix use?
LLM is named in 6% of job postings at Calix, followed by Gemini (6%), Claude (3%).
Which engineering practices does Calix ask for?
CI/CD is named in 45% of job postings at Calix, followed by DNS (16%), Wi-Fi (16%), Anomaly Detection (16%).
CI/CD
14 45%
Anomaly Detection
5 16%
AIOps
4 13%
GitOps
4 13%
Incident Management
4 13%
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What does each Calix team work with?
The technologies each team's postings require most often, with the number of postings that require them.
QA
8 postingsBackend
5 postingsDevOps
5 postingsHow does your stack fit Calix?
How is the Calix 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 Calix stack?
Calix scores 82 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 Calix stack in its industry?
Share of the 495 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Calix apart
Companies with a stack like Calix
Questions about the Calix tech stack
What programming languages does Calix use?
The languages named in Calix job postings are Python (65%), Java (26%), SQL (23%), Go (23%), Bash (16%), as a share of the 31 postings of the last 12 months.
Does Calix use Selenium?
Yes. Selenium is named in 6 of 31 job postings (19%) and required in 5 of them.
What cloud and platforms does Calix use?
The cloud and platforms named in Calix job postings are GCP (12), Grafana (10), Linux (10) (postings in brackets).
What skills do you need for a QA job at Calix?
QA postings at Calix most often require AWS (5), Azure (5), Jenkins (5), Python (5), out of 8 postings in the last 12 months.
Is the Calix tech stack changing?
No new technology has appeared in Calix job postings in the last six months.
How modern is the Calix tech stack?
Calix scores 82 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 Calix tech stack?
Alion reads every job posting Calix publishes and tags the technologies each one names. The figures on this page count the 31 postings of the last 12 months and were updated on Nov 12, 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, "Calix tech stack: 119 technologies from 31 job postings", as of Nov 12, 2026. https://alion.io/company/calix/technologies