Telefónica Tech tech stack
Telefónica Tech builds mostly with SQL, Python, PowerShell, C#. Its stack also includes Azure, Crowdstrike, MS SQL, Hadoop. Azure is named in 37 of the 40 job postings Telefónica Tech published in the last 12 months (93%). Counted by Alion from the job postings of Telefónica Tech, updated Sep 27, 2026.
What programming languages does Telefónica Tech use?
SQL is named in 25% of job postings at Telefónica Tech, followed by Python (23%), PowerShell (10%), C# (8%).
What frameworks and libraries does Telefónica Tech use?
Hadoop is named in 5% of job postings at Telefónica Tech, followed by ASP.NET Core (3%), Angular (3%), Entity Framework Core (3%).
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What databases does Telefónica Tech use?
MS SQL is named in 8% of job postings at Telefónica Tech, followed by Delta Lake (3%), Azure Cosmos DB (3%).
What cloud and platforms does Telefónica Tech use?
Azure is named in 93% of job postings at Telefónica Tech, followed by Crowdstrike (83%), AWS (60%), Power BI (25%).
Azure
37 93%
Crowdstrike
33 83%
AWS
24 60%
Power BI
10 25%
Databricks
9 23%
Spark
7 18%
Azure DevOps
6 15%
Tableau
4 10%
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What developer tools does Telefónica Tech use?
Azure Data Factory is named in 13% of job postings at Telefónica Tech, followed by pySpark (13%), SSIS (8%), Terraform (8%).
pySpark
5 13%
Terraform
3 8%
Bicep
1 3%
Copilot
1 3%
FortiGate
1 3%
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What AI and ML technologies does Telefónica Tech use?
LLM is named in 3% of job postings at Telefónica Tech.
LLM
1 3%
Which engineering practices does Telefónica Tech ask for?
CI/CD is named in 15% of job postings at Telefónica Tech, followed by Master Data Management (10%), Prompt Engineering (5%), Data Vault (3%).
CI/CD
6 15%
Prompt Engineering
2 5%
FinOps
1 3%
Incident Management
1 3%
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What does each Telefónica Tech team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
7 postingsSolutions
7 postingsSupport
5 postingsFinance
4 postingsSales
3 postingsDevOps
3 postingsHow does your stack fit Telefónica Tech?
How is the Telefónica Tech 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 Telefónica Tech stack?
Telefónica Tech scores 76 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: 1; legacy ones: 0.
Companies with a stack like Telefónica Tech
Questions about the Telefónica Tech tech stack
What programming languages does Telefónica Tech use?
The languages named in Telefónica Tech job postings are SQL (25%), Python (23%), PowerShell (10%), C# (8%), JavaScript (5%), as a share of the 40 postings of the last 12 months.
Does Telefónica Tech use Hadoop?
Yes. Hadoop is named in 2 of 40 job postings (5%) and required in 2 of them.
What cloud and platforms does Telefónica Tech use?
The cloud and platforms named in Telefónica Tech job postings are Azure (37), Crowdstrike (33), AWS (24) (postings in brackets).
What skills do you need for a Data Science job at Telefónica Tech?
Data Science postings at Telefónica Tech most often require AWS (7), Azure (7), Crowdstrike (7), Databricks (6), out of 7 postings in the last 12 months.
Is the Telefónica Tech tech stack changing?
Yes. SIEM, MS SQL, pySpark, JavaScript first appeared in Telefónica Tech job postings in the last six months.
How modern is the Telefónica Tech tech stack?
Telefónica Tech scores 76 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: 1; legacy ones: 0.
How does Alion know the Telefónica Tech tech stack?
Alion reads every job posting Telefónica Tech publishes and tags the technologies each one names. The figures on this page count the 40 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, "Telefónica Tech tech stack: 78 technologies from 40 job postings", as of Sep 27, 2026. https://alion.io/company/telefonica-tech/technologies