Calix tech stack
Calix builds mostly with Python, Java, Go, SQL. Its stack also includes GCP, Grafana, Selenium, Google Cloud Spanner. Python is named in 17 of the 25 job postings Calix published in the last 12 months (68%). Counted by Alion from the job postings of Calix, updated Sep 27, 2026.
What programming languages does Calix use?
Python is named in 68% of job postings at Calix, followed by Java (32%), Go (28%), SQL (20%).
Show all (12)
What frameworks and libraries does Calix use?
Selenium is named in 20% of job postings at Calix, followed by Cucumber (12%), Flink (8%), OpenTelemetry (8%).
Selenium
5 20%
Cucumber
3 12%
Flink
2 8%
OpenTelemetry
2 8%
Playwright
2 8%
Robot Framework
2 8%
AutoGen
1 4%
CrewAI
1 4%
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What databases does Calix use?
Google Cloud Spanner is named in 16% of job postings at Calix, followed by Google BigQuery (12%), Cassandra (8%), Oracle (8%).
Google Cloud Spanner
4 16%
Google BigQuery
3 12%
Cassandra
2 8%
Oracle
2 8%
PostgreSQL
2 8%
Redis
2 8%
Amazon Aurora
1 4%
BigQuery
1 4%
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What cloud and platforms does Calix use?
GCP is named in 48% of job postings at Calix, followed by Grafana (40%), Linux (36%), Apache Kafka (32%).
GCP
12 48%
Grafana
10 40%
Apache Kafka
8 32%
Kubernetes
8 32%
AWS
7 28%
Azure
5 20%
Google GKE
5 20%
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What developer tools does Calix use?
Prometheus is named in 32% of job postings at Calix, followed by ArgoCD (20%), Git (20%), Tcpdump (20%).
Prometheus
8 32%
ArgoCD
5 20%
Git
5 20%
Tcpdump
5 20%
Jenkins
4 16%
Loki
4 16%
Mimir
4 16%
Rest API
4 16%
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What AI and ML technologies does Calix use?
LLM is named in 8% of job postings at Calix, followed by Gemini (8%), Claude (4%).
Which engineering practices does Calix ask for?
CI/CD is named in 52% of job postings at Calix, followed by DNS (20%), Anomaly Detection (20%), AIOps (16%).
CI/CD
13 52%
Anomaly Detection
5 20%
AIOps
4 16%
GitOps
4 16%
Incident Management
4 16%
Show all (23)
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
7 postingsDevOps
5 postingsHow does your stack fit Calix?
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 140 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 (68%), Java (32%), Go (28%), SQL (20%), Bash (20%), as a share of the 25 postings of the last 12 months.
Does Calix use Selenium?
Yes. Selenium is named in 5 of 25 job postings (20%) 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 (9) (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), Python (5), Selenium (5), out of 7 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 25 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, "Calix tech stack: 105 technologies from 25 job postings", as of Sep 27, 2026. https://alion.io/company/calix/technologies