Allegro tech stack
Allegro builds mostly with Kotlin, Java, Python, SQL. Its stack also includes Windows, GitHub, Google BigQuery, React.js. Windows is named in 54 of the 55 job postings Allegro published in the last 12 months (98%). Counted by Alion from the job postings of Allegro, updated Sep 29, 2026.
What programming languages does Allegro use?
Kotlin is named in 53% of job postings at Allegro, followed by Java (49%), Python (29%), SQL (20%).
Kotlin
29 53%
Java
27 49%
Python
16 29%
SQL
11 20%
JavaScript
11 20%
TypeScript
10 18%
Scala
5 9%
C#
5 9%
Show all (12)
What frameworks and libraries does Allegro use?
React.js is named in 20% of job postings at Allegro, followed by Spring Boot (11%), Jetpack Compose (11%), FastAPI (4%).
React.js
11 20%
Spring Boot
6 11%
Jetpack Compose
6 11%
FastAPI
2 4%
Pandas
2 4%
PyTorch
2 4%
Scikit-learn
2 4%
SwiftUI
2 4%
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What databases does Allegro use?
Google BigQuery is named in 20% of job postings at Allegro, followed by PostgreSQL (9%), Snowflake (4%), Azure Cosmos DB (2%).
Google BigQuery
11 20%
PostgreSQL
5 9%
Snowflake
2 4%
Azure Cosmos DB
1 2%
Couchbase
1 2%
InfluxDB
1 2%
Redis
1 2%
BigQuery
1 2%
What cloud and platforms does Allegro use?
Windows is named in 98% of job postings at Allegro, followed by GitHub (96%), Kubernetes (95%), GitHub Actions (95%).
GitHub
53 96%
Kubernetes
52 95%
GitHub Actions
52 95%
GCP
12 22%
Apache Kafka
11 20%
Spark
10 18%
Azure
8 15%
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What developer tools does Allegro use?
Docker is named in 95% of job postings at Allegro, followed by Consul (95%), Copilot (9%), Git (7%).
Docker
52 95%
Consul
52 95%
Copilot
5 9%
Git
4 7%
dbt
4 7%
Rest API
3 5%
Terraform
3 5%
pySpark
3 5%
Show all (20)
What AI and ML technologies does Allegro use?
LLM is named in 7% of job postings at Allegro, followed by Claude (2%).
Which engineering practices does Allegro ask for?
Machine Learning is named in 96% of job postings at Allegro, followed by Service Mesh (91%), AI Agents (24%), CI/CD (16%).
Service Mesh
50 91%
AI Agents
13 24%
CI/CD
9 16%
Clean Architecture
5 9%
MVI
5 9%
MVVM
5 9%
Show all (31)
What other technologies does Allegro use?
Kotlin Coroutines is named in 7% of job postings at Allegro, followed by Swift Concurrency (2%).
Kotlin Coroutines
4 7%
Swift Concurrency
1 2%
What does each Allegro team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
25 postingsProduct
6 postingsMobile
6 postingsData Science
5 postingsHow does your stack fit Allegro?
How modern is the Allegro stack?
Allegro 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: 2; legacy ones: 0.
How common is the Allegro stack in its industry?
Share of the 1,684 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Allegro apart
Companies with a stack like Allegro
Questions about the Allegro tech stack
What programming languages does Allegro use?
The languages named in Allegro job postings are Kotlin (53%), Java (49%), Python (29%), SQL (20%), JavaScript (20%), as a share of the 55 postings of the last 12 months.
Does Allegro use React.js?
Yes. React.js is named in 11 of 55 job postings (20%) and required in 10 of them.
What cloud and platforms does Allegro use?
The cloud and platforms named in Allegro job postings are Windows (54), GitHub (53), Kubernetes (52) (postings in brackets).
What skills do you need for a Backend job at Allegro?
Backend postings at Allegro most often require Kotlin (20), Java (19), Kubernetes (17), Consul (15), out of 25 postings in the last 12 months.
Is the Allegro tech stack changing?
No new technology has appeared in Allegro job postings in the last six months.
How modern is the Allegro tech stack?
Allegro 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: 2; legacy ones: 0.
How does Alion know the Allegro tech stack?
Alion reads every job posting Allegro publishes and tags the technologies each one names. The figures on this page count the 55 postings of the last 12 months and were updated on Sep 29, 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, "Allegro tech stack: 136 technologies from 55 job postings", as of Sep 29, 2026. https://alion.io/company/allegro/technologies