Ozon tech stack
Ozon builds mostly with Python, SQL, Go, C#. Its stack also includes PostgreSQL, Apache Kafka, ClickHouse, Kubernetes. Python is named in 144 of the 304 job postings Ozon published in the last 12 months (47%). Counted by Alion from the job postings of Ozon, updated Nov 10, 2026.
What programming languages does Ozon use?
Python is named in 47% of job postings at Ozon, followed by SQL (47%), Go (12%), C# (9%).
C# 
1C 
Show all (15)
What frameworks and libraries does Ozon use?
Hadoop is named in 7% of job postings at Ozon, followed by Pytest (6%), NumPy (5%), PyTorch (4%).
Hadoop
21 7%
Pytest
18 6%
NumPy
14 5%
PyTorch
12 4%
CatBoost
8 3%
LangChain
8 3%
Transformers
7 2%
Show all (65)
And 25 more, each named in fewer postings.
What databases does Ozon use?
PostgreSQL is named in 33% of job postings at Ozon, followed by ClickHouse (25%), Redis (14%), Vertica (13%).
PostgreSQL
100 33%
ClickHouse
76 25%
Redis
42 14%
Vertica
38 13%
MS SQL
8 3%
Memcached
7 2%
ElasticSearch
7 2%
Trino
5 2%
Show all (14)
What cloud and platforms does Ozon use?
Apache Kafka is named in 31% of job postings at Ozon, followed by Kubernetes (23%), Grafana (15%), GitLab CI (14%).
Apache Kafka
94 31%
Kubernetes
71 23%
Grafana
46 15%
GitLab CI
42 14%
GitLab
30 10%
Show all (38)
What developer tools does Ozon use?
gRPC is named in 21% of job postings at Ozon, followed by Docker (18%), Git (14%), Prometheus (10%).
Show all (46)
And 6 more, each named in fewer postings.
What AI and ML technologies does Ozon use?
LLM is named in 6% of job postings at Ozon, followed by ChatGPT (1%), Claude (1%), Qwen (<1%).
Which engineering practices does Ozon ask for?
CI/CD is named in 19% of job postings at Ozon, followed by ETL/ELT (7%), Machine Learning (6%), Wi-Fi (4%).
CI/CD
58 19%
AI Agents
10 3%
RAG
10 3%
NLP
9 3%
Computer Vision
7 2%
Show all (25)
What other technologies does Ozon use?
Kotlin Coroutines is named in 1% of job postings at Ozon.
Kotlin Coroutines
2 1%
What does each Ozon team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
69 postingsAnalytics
52 postingsQA
41 postingsSupport
35 postingsData Science
25 postingsEnterprise Apps
13 postingsHow does your stack fit Ozon?
How modern is the Ozon stack?
Ozon 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: 5; legacy ones: 0.
How common is the Ozon stack in its industry?
Share of the 1,727 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Ozon apart
Companies with a stack like Ozon
Questions about the Ozon tech stack
What programming languages does Ozon use?
The languages named in Ozon job postings are Python (47%), SQL (47%), Go (12%), C# (9%), 1C (6%), as a share of the 304 postings of the last 12 months.
Does Ozon use Hadoop?
Yes. Hadoop is named in 21 of 304 job postings (7%) and required in 13 of them.
What cloud and platforms does Ozon use?
The cloud and platforms named in Ozon job postings are Apache Kafka (94), Kubernetes (71), Grafana (46) (postings in brackets).
What skills do you need for a Backend job at Ozon?
Backend postings at Ozon most often require PostgreSQL (40), Apache Kafka (37), SQL (28), Go (25), out of 69 postings in the last 12 months.
Is the Ozon tech stack changing?
No new technology has appeared in Ozon job postings in the last six months.
How modern is the Ozon tech stack?
Ozon 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: 5; legacy ones: 0.
How does Alion know the Ozon tech stack?
Alion reads every job posting Ozon publishes and tags the technologies each one names. The figures on this page count the 304 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, "Ozon tech stack: 209 technologies from 304 job postings", as of Nov 10, 2026. https://alion.io/company/ozon/technologies