Zscaler tech stack
Zscaler builds mostly with Python, Java, SQL, JavaScript. Its stack also includes AWS, GCP, PostgreSQL, OpenTelemetry. AWS is named in 165 of the 734 job postings Zscaler published in the last 12 months (22%). Counted by Alion from the job postings of Zscaler, updated Nov 10, 2026.
What programming languages does Zscaler use?
Python is named in 16% of job postings at Zscaler, followed by Java (6%), SQL (5%), JavaScript (5%).
Show all (21)
What frameworks and libraries does Zscaler use?
OpenTelemetry is named in 2% of job postings at Zscaler, followed by React.js (2%), Spring Boot (2%), LangChain (1%).
OpenTelemetry
15 2%
React.js
15 2%
Spring Boot
14 2%
LangChain
7 1%
LangGraph
7 1%
Playwright
5 1%
Hibernate
4 1%
PyTorch
4 1%
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And 16 more, each named in fewer postings.
What databases does Zscaler use?
PostgreSQL is named in 3% of job postings at Zscaler, followed by Redis (2%), ElasticSearch (2%), Snowflake (1%).
PostgreSQL
22 3%
Redis
14 2%
ElasticSearch
13 2%
Snowflake
11 1%
MySQL
8 1%
Neo4j
6 1%
Google BigQuery
5 1%
OpenSearch
5 1%
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What cloud and platforms does Zscaler use?
AWS is named in 22% of job postings at Zscaler, followed by GCP (16%), Azure (15%), Linux (11%).
AWS
165 22%
GCP
119 16%
Azure
112 15%
Kubernetes
80 11%
Show all (66)
And 26 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 (5%), Wireshark (4%).
Docker
41 6%
Terraform
40 5%
Ansible
34 5%
Wireshark
28 4%
Model Context Protocol
25 3%
Prometheus
24 3%
Rest API
23 3%
Git
19 3%
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And 24 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%), Gemini (<1%).
LLM
62 8%
Claude
9 1%
ChatGPT
5 1%
Gemini
3 <1%
Falcon
1 <1%
LoRA
1 <1%
PEFT
1 <1%
Show all (10)
Which engineering practices does Zscaler ask for?
DNS is named in 13% of job postings at Zscaler, followed by AI Agents (11%), TCP/IP (9%), CI/CD (8%).
AI Agents
78 11%
CI/CD
56 8%
Anomaly Detection
32 4%
RAG
28 4%
Show all (62)
And 22 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.
Sales
200 postingsBackend
81 postingsManagement
45 postingsDevOps
38 postingsProduct
36 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 351 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| AWS | 58 | $223k | +9% |
| Python | 48 | $195k | −5% |
| GCP | 43 | $221k | +8% |
| Azure | 36 | $208k | +1% |
| Linux | 32 | $190k | −7% |
| Kubernetes | 31 | $220k | +7% |
| DLP | 22 | $205k | 0% |
| LLM | 18 | $220k | +7% |
| C++ | 18 | $190k | −7% |
| JavaScript | 16 | $188k | −9% |
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 79 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: 10; legacy ones: 1.
How common is the Zscaler stack in its industry?
Share of the 248 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 (16%), Java (6%), SQL (5%), JavaScript (5%), C++ (5%), as a share of the 734 postings of the last 12 months.
Does Zscaler use OpenTelemetry?
Yes. OpenTelemetry is named in 15 of 734 job postings (2%) and required in 14 of them.
What cloud and platforms does Zscaler use?
The cloud and platforms named in Zscaler job postings are AWS (165), GCP (119), Azure (112) (postings in brackets).
What skills do you need for a Sales job at Zscaler?
Sales postings at Zscaler most often require DLP (5), Tableau (2), out of 200 postings in the last 12 months.
Is the Zscaler tech stack changing?
Yes. JQuery, Spark, TestRail, Databricks first appeared in Zscaler job postings in the last six months.
How modern is the Zscaler tech stack?
Zscaler scores 79 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: 10; 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 734 postings of the last 12 months and were updated on Nov 10, 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: 303 technologies from 734 job postings", as of Nov 10, 2026. https://alion.io/company/zscaler/technologies