Tele2 tech stack
Tele2 builds mostly with SQL, Python, 1C, C#. Its stack also includes Apache Kafka, PostgreSQL, Linux, ClickHouse. SQL is named in 9 of the 17 job postings Tele2 published in the last 12 months (53%). Counted by Alion from the job postings of Tele2, updated Sep 28, 2026.
What programming languages does Tele2 use?
SQL is named in 53% of job postings at Tele2, followed by Python (24%), 1C (12%), C# (12%).
1C 
What frameworks and libraries does Tele2 use?
Hibernate is named in 6% of job postings at Tele2, followed by Pytest (6%).
What databases does Tele2 use?
PostgreSQL is named in 24% of job postings at Tele2, followed by ClickHouse (18%), Oracle (18%), Apache Hudi (12%).
PostgreSQL
4 24%
ClickHouse
3 18%
Oracle
3 18%
Apache Hudi
2 12%
Apache Iceberg
2 12%
Presto
2 12%
Redis
2 12%
Trino
2 12%
What cloud and platforms does Tele2 use?
Apache Kafka is named in 24% of job postings at Tele2, followed by Linux (18%), Postman (18%), Windows (18%).
Apache Kafka
4 24%
Postman
3 18%
.NET
2 12%
Airflow
2 12%
GitLab
2 12%
Spark
2 12%
Show all (18)
What developer tools does Tele2 use?
Docker is named in 29% of job postings at Tele2, followed by Git (18%), Rest API (18%), Swagger (18%).
Show all (15)
What AI and ML technologies does Tele2 use?
ChatGPT is named in 6% of job postings at Tele2, followed by Midjourney (6%).
ChatGPT
1 6%
Midjourney
1 6%
Which engineering practices does Tele2 ask for?
ETL/ELT is named in 18% of job postings at Tele2, followed by Gitflow (12%), SOAP (12%), Trunk-Based Development (12%).
Gitflow
2 12%
Trunk-Based Development
2 12%
CI/CD
1 6%
GitOps
1 6%
Self-Healing
1 6%
What does each Tele2 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
3 postingsHow does your stack fit Tele2?
How modern is the Tele2 stack?
Tele2 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: 2; legacy ones: 0.
Companies with a stack like Tele2
Questions about the Tele2 tech stack
What programming languages does Tele2 use?
The languages named in Tele2 job postings are SQL (53%), Python (24%), 1C (12%), C# (12%), JavaScript (12%), as a share of the 17 postings of the last 12 months.
Does Tele2 use Apache Kafka?
Yes. Apache Kafka is named in 4 of 17 job postings (24%) and required in 4 of them.
What cloud and platforms does Tele2 use?
The cloud and platforms named in Tele2 job postings are Apache Kafka (4), Linux (3), Postman (3) (postings in brackets).
What skills do you need for a Data Science job at Tele2?
Data Science postings at Tele2 most often require ClickHouse (3), SQL (3), Airflow (2), Apache Hudi (2), out of 3 postings in the last 12 months.
Is the Tele2 tech stack changing?
No new technology has appeared in Tele2 job postings in the last six months.
How modern is the Tele2 tech stack?
Tele2 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: 2; legacy ones: 0.
How does Alion know the Tele2 tech stack?
Alion reads every job posting Tele2 publishes and tags the technologies each one names. The figures on this page count the 17 postings of the last 12 months and were updated on Sep 28, 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, "Tele2 tech stack: 60 technologies from 17 job postings", as of Sep 28, 2026. https://alion.io/company/tele2/technologies