Catawiki tech stack
Catawiki builds mostly with SQL, Python, Ruby, JavaScript. Its stack also includes Kubernetes, Apache Kafka, PyTorch, BigQuery. SQL is named in 10 of the 16 job postings Catawiki published in the last 12 months (63%). Counted by Alion from the job postings of Catawiki, updated Sep 28, 2026.
What programming languages does Catawiki use?
SQL is named in 63% of job postings at Catawiki, followed by Python (50%), Ruby (13%), JavaScript (6%).
What frameworks and libraries does Catawiki use?
PyTorch is named in 38% of job postings at Catawiki, followed by LightFM (19%), TensorFlow (19%), OpenTelemetry (13%).
PyTorch
6 38%
LightFM
3 19%
TensorFlow
3 19%
OpenTelemetry
2 13%
Next.js
1 6%
React.js
1 6%
Redux
1 6%
Tailwind CSS
1 6%
What databases does Catawiki use?
BigQuery is named in 19% of job postings at Catawiki, followed by Google BigQuery (19%), MySQL (19%).
BigQuery 
What cloud and platforms does Catawiki use?
Kubernetes is named in 50% of job postings at Catawiki, followed by Apache Kafka (38%), Spark (19%), AWS (13%).
Kubernetes
8 50%
Apache Kafka
6 38%
Spark
3 19%
AWS
2 13%
Azure
2 13%
GCP
2 13%
Grafana
2 13%
Show all (11)
What developer tools does Catawiki use?
Git is named in 38% of job postings at Catawiki, followed by Nginx (38%), Docker (19%), Ansible (13%).
What AI and ML technologies does Catawiki use?
ChatGPT is named in 6% of job postings at Catawiki, followed by Gemini (6%).
Which engineering practices does Catawiki ask for?
CI/CD is named in 50% of job postings at Catawiki, followed by Machine Learning (44%), A/B Testing (31%), Recommender Systems (19%).
CI/CD
8 50%
FinOps
2 13%
GitOps
2 13%
Time Series Forecasting
2 13%
CSS Modules
1 6%
Show all (9)
What does each Catawiki team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
8 postingsHow does your stack fit Catawiki?
How is the Catawiki 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 Catawiki stack?
Catawiki scores 85 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 Catawiki stack in its industry?
Share of the 330 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Catawiki apart
Companies with a stack like Catawiki
Questions about the Catawiki tech stack
What programming languages does Catawiki use?
The languages named in Catawiki job postings are SQL (63%), Python (50%), Ruby (13%), JavaScript (6%), Node JS (6%), as a share of the 16 postings of the last 12 months.
Does Catawiki use PyTorch?
Yes. PyTorch is named in 6 of 16 job postings (38%) and required in 2 of them.
What cloud and platforms does Catawiki use?
The cloud and platforms named in Catawiki job postings are Kubernetes (8), Apache Kafka (6), Spark (3) (postings in brackets).
What skills do you need for a Data Science job at Catawiki?
Data Science postings at Catawiki most often require Python (8), SQL (8), Kubernetes (6), Apache Kafka (2), out of 8 postings in the last 12 months.
Is the Catawiki tech stack changing?
Yes. Ruby, AWS, Ansible, Azure first appeared in Catawiki job postings in the last six months.
How modern is the Catawiki tech stack?
Catawiki scores 85 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 Catawiki tech stack?
Alion reads every job posting Catawiki publishes and tags the technologies each one names. The figures on this page count the 16 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, "Catawiki tech stack: 46 technologies from 16 job postings", as of Sep 28, 2026. https://alion.io/company/catawiki-3/technologies