Holidu tech stack
Holidu builds mostly with Python, SQL, Bash, Kotlin. Its stack also includes AWS, Kubernetes, Amazon Redshift, CatBoost. AWS is named in 6 of the 6 job postings Holidu published in the last 12 months (100%). Counted by Alion from the job postings of Holidu, updated Oct 6, 2026.
What programming languages does Holidu use?
Python is named in 67% of job postings at Holidu, followed by SQL (33%), Bash (33%), Kotlin (17%).
What frameworks and libraries does Holidu use?
CatBoost is named in 50% of job postings at Holidu, followed by LightGBM (50%), XGBoost (50%), OpenTelemetry (33%).
What databases does Holidu use?
Amazon Redshift is named in 50% of job postings at Holidu, followed by DynamoDB (17%), PostgreSQL (17%), Redis (17%).
What cloud and platforms does Holidu use?
AWS is named in 100% of job postings at Holidu, followed by Kubernetes (50%), Amazon SageMaker (50%), AWS Lambda (33%).
AWS
6 100%
Kubernetes
3 50%
AWS Lambda
2 33%
Amazon EC2
2 33%
Amazon EKS
2 33%
GitHub Actions
2 33%
Show all (11)
What developer tools does Holidu use?
dbt is named in 50% of job postings at Holidu, followed by ArgoCD (33%), Jenkins (33%), Prometheus (33%).
dbt
3 50%
ArgoCD
2 33%
Jenkins
2 33%
Prometheus
2 33%
Pulumi
2 33%
Terraform
2 33%
AWS CDK
2 33%
Docker
2 33%
Show all (12)
Which engineering practices does Holidu ask for?
AI Agents is named in 50% of job postings at Holidu, followed by Machine Learning (50%), CI/CD (33%), GitOps (33%).
AI Agents
3 50%
CI/CD
2 33%
GitOps
2 33%
Prompt Engineering
2 33%
Function Calling
1 17%
Show all (11)
What other technologies does Holidu use?
Compound is named in 17% of job postings at Holidu.
Compound
1 17%
What does each Holidu 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 Holidu?
How modern is the Holidu stack?
Holidu scores 73 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
Companies with a stack like Holidu
Questions about the Holidu tech stack
What programming languages does Holidu use?
The languages named in Holidu job postings are Python (67%), SQL (33%), Bash (33%), Kotlin (17%), Java (17%), as a share of the 6 postings of the last 12 months.
Does Holidu use CatBoost?
Yes. CatBoost is named in 3 of 6 job postings (50%) and required in 3 of them.
What cloud and platforms does Holidu use?
The cloud and platforms named in Holidu job postings are AWS (6), Kubernetes (3), Amazon SageMaker (3) (postings in brackets).
What skills do you need for a Data Science job at Holidu?
Data Science postings at Holidu most often require CatBoost (3), LightGBM (3), XGBoost (3), Python (2), out of 3 postings in the last 12 months.
Is the Holidu tech stack changing?
No new technology has appeared in Holidu job postings in the last six months.
How modern is the Holidu tech stack?
Holidu scores 73 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the Holidu tech stack?
Alion reads every job posting Holidu publishes and tags the technologies each one names. The figures on this page count the 6 postings of the last 12 months and were updated on Oct 6, 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, "Holidu tech stack: 48 technologies from 6 job postings", as of Oct 6, 2026. https://alion.io/company/holidu-com/technologies