Telefónica tech stack
Telefónica builds mostly with Python, SQL, PowerShell, JavaScript. Its stack also includes Azure, Linux, PostgreSQL, MySQL. Python is named in 33 of the 119 job postings Telefónica published in the last 12 months (28%). Counted by Alion from the job postings of Telefónica, updated Nov 10, 2026.
What programming languages does Telefónica use?
Python is named in 28% of job postings at Telefónica, followed by SQL (13%), PowerShell (9%), JavaScript (7%).
Python
33 28%
SQL
15 13%
PowerShell
11 9%
JavaScript
8 7%
C++
6 5%
Java
6 5%
C#
5 4%
TypeScript
4 3%
Show all (14)
What frameworks and libraries does Telefónica use?
LangChain is named in 3% of job postings at Telefónica, followed by Angular (2%), AutoGen (2%), CrewAI (2%).
LangChain
3 3%
Angular
2 2%
AutoGen
2 2%
CrewAI
2 2%
LangGraph
2 2%
Laravel
2 2%
Metasploit
2 2%
OpenTelemetry
2 2%
Show all (31)
What databases does Telefónica use?
PostgreSQL is named in 6% of job postings at Telefónica, followed by MySQL (4%), Redis (3%), ElasticSearch (2%).
PostgreSQL
7 6%
MySQL
5 4%
Redis
3 3%
ElasticSearch
2 2%
Oracle
2 2%
Chroma
1 1%
DynamoDB
1 1%
MS SQL
1 1%
Show all (16)
What cloud and platforms does Telefónica use?
Azure is named in 20% of job postings at Telefónica, followed by Linux (18%), Windows (15%), Power BI (14%).
Azure
24 20%
Power BI
17 14%
AWS
16 13%
GCP
15 13%
Kubernetes
11 9%
Show all (53)
And 13 more, each named in fewer postings.
What developer tools does Telefónica use?
Git is named in 9% of job postings at Telefónica, followed by Docker (8%), Rest API (8%), AutoCAD (6%).
Git
11 9%
Docker
10 8%
Rest API
9 8%
AutoCAD
7 6%
Wireshark
6 5%
Helm
5 4%
Terraform
5 4%
Show all (42)
And 2 more, each named in fewer postings.
What AI and ML technologies does Telefónica use?
ChatGPT is named in 3% of job postings at Telefónica, followed by Claude (3%), LLM (2%), LoRA (1%).
ChatGPT
3 3%
Claude
3 3%
LLM
2 2%
LoRA
1 1%
Midjourney
1 1%
PEFT
1 1%
Stable Diffusion
1 1%
Gemini
1 1%
Which engineering practices does Telefónica ask for?
CI/CD is named in 12% of job postings at Telefónica, followed by Machine Learning (4%), AI Agents (4%), RAG (4%).
CI/CD
14 12%
AI Agents
5 4%
RAG
5 4%
Prompt Engineering
4 3%
Show all (28)
What does each Telefónica team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Security
22 postingsField & Service
21 postingsDevOps
10 postingsManagement
10 postingsFinance
8 postingsBackend
6 postingsHow does your stack fit Telefónica?
How modern is the Telefónica stack?
Telefónica scores 84 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: 8; legacy ones: 0.
How common is the Telefónica stack in its industry?
Share of the 534 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Telefónica apart
Companies with a stack like Telefónica
Questions about the Telefónica tech stack
What programming languages does Telefónica use?
The languages named in Telefónica job postings are Python (28%), SQL (13%), PowerShell (9%), JavaScript (7%), C++ (5%), as a share of the 119 postings of the last 12 months.
Does Telefónica use LangChain?
Yes. LangChain is named in 3 of 119 job postings (3%) and required in 3 of them.
What cloud and platforms does Telefónica use?
The cloud and platforms named in Telefónica job postings are Azure (24), Linux (22), Windows (18) (postings in brackets).
What skills do you need for a Security job at Telefónica?
Security postings at Telefónica most often require Python (7), SIEM (7), Windows (7), Linux (5), out of 22 postings in the last 12 months.
Is the Telefónica tech stack changing?
No new technology has appeared in Telefónica job postings in the last six months.
How modern is the Telefónica tech stack?
Telefónica scores 84 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: 8; legacy ones: 0.
How does Alion know the Telefónica tech stack?
Alion reads every job posting Telefónica publishes and tags the technologies each one names. The figures on this page count the 119 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, "Telefónica tech stack: 192 technologies from 119 job postings", as of Nov 10, 2026. https://alion.io/company/telefonica/technologies