Zscaler tech stack
Zscaler builds mostly with Python, Java, JavaScript, SQL. Its stack also includes AWS, GCP, PostgreSQL, Commander.js. AWS is named in 107 of the 499 job postings Zscaler published in the last 12 months (21%). Counted by Alion from the job postings of Zscaler, updated Sep 26, 2026.
What programming languages does Zscaler use?
Python is named in 15% of job postings at Zscaler, followed by Java (6%), JavaScript (6%), SQL (5%).
Show all (19)
What frameworks and libraries does Zscaler use?
Commander.js is named in 3% of job postings at Zscaler, followed by Spring Boot (3%), React.js (2%), OpenTelemetry (2%).
Commander.js
13 3%
Spring Boot
13 3%
React.js
11 2%
OpenTelemetry
9 2%
Jest
4 1%
FastAPI
4 1%
Next.js
4 1%
Spring Cloud
3 1%
Show all (48)
And 8 more, each named in fewer postings.
What databases does Zscaler use?
PostgreSQL is named in 3% of job postings at Zscaler, followed by ElasticSearch (2%), Redis (2%), MySQL (1%).
PostgreSQL
15 3%
ElasticSearch
8 2%
Redis
8 2%
MySQL
4 1%
Snowflake
4 1%
Cassandra
3 1%
Azure Cosmos DB
2 <1%
Neo4j
2 <1%
Show all (22)
What cloud and platforms does Zscaler use?
AWS is named in 21% of job postings at Zscaler, followed by GCP (16%), Azure (15%), DLP (12%).
AWS
107 21%
GCP
79 16%
Azure
76 15%
Kubernetes
57 11%
Show all (59)
And 19 more, each named in fewer postings.
What developer tools does Zscaler use?
Docker is named in 6% of job postings at Zscaler, followed by Terraform (5%), Ansible (4%), Model Context Protocol (4%).
Docker
30 6%
Terraform
26 5%
Ansible
21 4%
Model Context Protocol
20 4%
Prometheus
18 4%
Wireshark
18 4%
Git
14 3%
gRPC
11 2%
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And 18 more, each named in fewer postings.
What AI and ML technologies does Zscaler use?
LLM is named in 8% of job postings at Zscaler, followed by Claude (1%), ChatGPT (<1%), Falcon (<1%).
Which engineering practices does Zscaler ask for?
DNS is named in 13% of job postings at Zscaler, followed by AI Agents (10%), TCP/IP (9%), CI/CD (8%).
AI Agents
51 10%
CI/CD
38 8%
RAG
25 5%
Anomaly Detection
22 4%
Show all (57)
And 17 more, each named in fewer postings.
What does each Zscaler team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
57 postingsManagement
30 postingsProduct
28 postingsSecurity
23 postingsHow does your stack fit Zscaler?
How much does Zscaler pay by technology?
Median stated pay of the postings that name each technology, against the median of all Zscaler postings with stated pay: $205k across 221 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| AWS | 28 | $223k | +9% |
| GCP | 24 | $216k | +5% |
| Python | 23 | $190k | −7% |
| Azure | 21 | $205k | 0% |
| DLP | 19 | $235k | +15% |
| Kubernetes | 16 | $220k | +7% |
| Linux | 16 | $195k | −5% |
| C++ | 12 | $205k | 0% |
| LLM | 11 | $210k | +2% |
| JavaScript | 11 | $185k | −10% |
How is the Zscaler 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 Zscaler stack?
Zscaler scores 80 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: 5; legacy ones: 1.
How common is the Zscaler stack in its industry?
Share of the 1,338 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Zscaler apart
Zscaler products in its job postings
Postings at Zscaler name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Zscaler
Questions about the Zscaler tech stack
What programming languages does Zscaler use?
The languages named in Zscaler job postings are Python (15%), Java (6%), JavaScript (6%), SQL (5%), Go (5%), as a share of the 499 postings of the last 12 months.
Does Zscaler use Commander.js?
Yes. Commander.js is named in 13 of 499 job postings (3%) and required in 13 of them.
What cloud and platforms does Zscaler use?
The cloud and platforms named in Zscaler job postings are AWS (107), GCP (79), Azure (76) (postings in brackets).
What skills do you need for a Backend job at Zscaler?
Backend postings at Zscaler most often require AWS (30), GCP (22), Kubernetes (21), Python (21), out of 57 postings in the last 12 months.
Is the Zscaler tech stack changing?
Yes. VictoriaMetrics, Spring Security, Spring Cloud, Datadog first appeared in Zscaler job postings in the last six months.
How modern is the Zscaler tech stack?
Zscaler scores 80 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: 5; legacy ones: 1.
How does Alion know the Zscaler tech stack?
Alion reads every job posting Zscaler publishes and tags the technologies each one names. The figures on this page count the 499 postings of the last 12 months and were updated on Sep 26, 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, "Zscaler tech stack: 268 technologies from 499 job postings", as of Sep 26, 2026. https://alion.io/company/zscaler/technologies