Cisco Systems tech stack
Cisco Systems builds mostly with Python, C++, Java, Go. Its stack also includes Kubernetes, AWS, PostgreSQL, React.js. Python is named in 1,121 of the 2,220 job postings Cisco Systems published in the last 12 months (50%). Counted by Alion from the job postings of Cisco Systems, updated Nov 10, 2026.
What programming languages does Cisco Systems use?
Python is named in 50% of job postings at Cisco Systems, followed by C++ (17%), Java (12%), Go (10%).
Python
1121 50%
C++
376 17%
Java
273 12%
Go
211 10%
JavaScript
193 9%
SQL
169 8%
TypeScript
128 6%
Perl
125 6%
Show all (34)
What frameworks and libraries does Cisco Systems use?
React.js is named in 4% of job postings at Cisco Systems, followed by Angular (3%), UVM (3%), OpenTelemetry (3%).
React.js
87 4%
Angular
66 3%
UVM
59 3%
OpenTelemetry
57 3%
LangChain
56 3%
PyTorch
38 2%
LangGraph
36 2%
Pytest
34 2%
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And 76 more, each named in fewer postings.
What databases does Cisco Systems use?
PostgreSQL is named in 4% of job postings at Cisco Systems, followed by Snowflake (3%), MySQL (2%), Redis (1%).
PostgreSQL
88 4%
Snowflake
68 3%
MySQL
41 2%
Redis
32 1%
ElasticSearch
29 1%
Oracle
24 1%
OpenSearch
19 1%
Google BigQuery
17 1%
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What cloud and platforms does Cisco Systems use?
Kubernetes is named in 23% of job postings at Cisco Systems, followed by AWS (22%), Linux (18%), GCP (14%).
Kubernetes
511 23%
AWS
497 22%
GCP
317 14%
Azure
314 14%
Apache Kafka
108 5%
Grafana
92 4%
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And 82 more, each named in fewer postings.
What developer tools does Cisco Systems use?
Docker is named in 11% of job postings at Cisco Systems, followed by Rest API (9%), Git (9%), Terraform (9%).
Docker
255 11%
Rest API
194 9%
Git
194 9%
Terraform
193 9%
Ansible
144 6%
Copilot
140 6%
Model Context Protocol
134 6%
Jenkins
114 5%
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And 161 more, each named in fewer postings.
What AI and ML technologies does Cisco Systems use?
LLM is named in 9% of job postings at Cisco Systems, followed by Claude (4%), ChatGPT (1%), PEFT (<1%).
Show all (12)
Which engineering practices does Cisco Systems ask for?
CI/CD is named in 23% of job postings at Cisco Systems, followed by AI Agents (15%), Machine Learning (9%), BGP (6%).
CI/CD
502 23%
AI Agents
340 15%
RAG
97 4%
Show all (117)
And 77 more, each named in fewer postings.
What other technologies does Cisco Systems use?
Kotlin Coroutines is named in <1% of job postings at Cisco Systems, followed by Avalanche (<1%), Bitcoin (<1%), Swift Concurrency (<1%).
What does each Cisco Systems team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
548 postingsHardware
357 postingsSales
207 postingsSolutions
153 postingsIndustrial Engineering
129 postingsDevOps
124 postingsHow does your stack fit Cisco Systems?
How much does Cisco Systems pay by technology?
Median stated pay of the postings that name each technology, against the median of all Cisco Systems postings with stated pay: $268k across 1,020 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 474 | $256k | −4% |
| AWS | 220 | $282k | +5% |
| Kubernetes | 200 | $282k | +5% |
| Linux | 162 | $245k | −8% |
| C++ | 153 | $245k | −8% |
| GCP | 139 | $259k | −3% |
| Azure | 137 | $257k | −4% |
| LLM | 99 | $297k | +11% |
| Java | 98 | $256k | −4% |
| Go | 93 | $282k | +5% |
How is the Cisco Systems 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 Cisco Systems stack?
Cisco Systems scores 75 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: 12; legacy ones: 0.
How common is the Cisco Systems stack in its industry?
Share of the 688 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Cisco Systems apart
Cisco Systems products in its job postings
Postings at Cisco Systems name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Cisco Systems
Questions about the Cisco Systems tech stack
What programming languages does Cisco Systems use?
The languages named in Cisco Systems job postings are Python (50%), C++ (17%), Java (12%), Go (10%), JavaScript (9%), as a share of the 2,220 postings of the last 12 months.
Does Cisco Systems use React.js?
Yes. React.js is named in 87 of 2,220 job postings (4%) and required in 55 of them.
What cloud and platforms does Cisco Systems use?
The cloud and platforms named in Cisco Systems job postings are Kubernetes (511), AWS (497), Linux (395) (postings in brackets).
What skills do you need for a Backend job at Cisco Systems?
Backend postings at Cisco Systems most often require Python (314), C++ (187), Kubernetes (147), Java (136), out of 548 postings in the last 12 months.
Is the Cisco Systems tech stack changing?
Yes. Atlantis, Cosign, Sigstore, Cadence Quantus first appeared in Cisco Systems job postings in the last six months.
How modern is the Cisco Systems tech stack?
Cisco Systems scores 75 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: 12; legacy ones: 0.
How does Alion know the Cisco Systems tech stack?
Alion reads every job posting Cisco Systems publishes and tags the technologies each one names. The figures on this page count the 2,220 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, "Cisco Systems tech stack: 638 technologies from 2,220 job postings", as of Nov 10, 2026. https://alion.io/company/cisco-systems/technologies