Rackner tech stack
Rackner builds mostly with Python, SQL, JavaScript, Bash. Its stack also includes Kubernetes, Microsoft Fabric, FastAPI, PyTorch. Kubernetes is named in 16 of the 22 job postings Rackner published in the last 12 months (73%). Counted by Alion from the job postings of Rackner, updated Sep 26, 2026.
What programming languages does Rackner use?
Python is named in 50% of job postings at Rackner, followed by SQL (27%), JavaScript (9%), Bash (5%).
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What frameworks and libraries does Rackner use?
FastAPI is named in 14% of job postings at Rackner, followed by PyTorch (14%), TensorFlow (14%), LangChain (9%).
FastAPI
3 14%
PyTorch
3 14%
TensorFlow
3 14%
LangChain
2 9%
LlamaIndex
2 9%
Celery
1 5%
CesiumJS
1 5%
Dagster
1 5%
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What databases does Rackner use?
PostgreSQL is named in 9% of job postings at Rackner, followed by Oracle (5%), Trino (5%).
What cloud and platforms does Rackner use?
Kubernetes is named in 73% of job postings at Rackner, followed by Microsoft Fabric (32%), AWS (27%), Azure (27%).
Kubernetes
16 73%
Microsoft Fabric
7 32%
AWS
6 27%
Azure
6 27%
GitLab
5 23%
OpenShift
5 23%
GitLab CI
4 18%
Power BI
4 18%
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What developer tools does Rackner use?
Terraform is named in 27% of job postings at Rackner, followed by Docker (14%), Rest API (14%), ArgoCD (9%).
Terraform
6 27%
Docker
3 14%
Rest API
3 14%
ArgoCD
2 9%
Copilot
2 9%
Git
2 9%
Helm
2 9%
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What AI and ML technologies does Rackner use?
LLM is named in 27% of job postings at Rackner, followed by YOLO (5%).
Which engineering practices does Rackner ask for?
CI/CD is named in 50% of job postings at Rackner, followed by AI Agents (23%), Machine Learning (23%), RAG (18%).
CI/CD
11 50%
AI Agents
5 23%
RAG
4 18%
Platform Engineering
2 9%
AIOps
1 5%
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What does each Rackner team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
5 postingsAI/ML
5 postingsSecurity
3 postingsDevOps
3 postingsHow does your stack fit Rackner?
How is the Rackner 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 Rackner stack?
Rackner 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 Rackner stack in its industry?
Share of the 616 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Rackner
Questions about the Rackner tech stack
What programming languages does Rackner use?
The languages named in Rackner job postings are Python (50%), SQL (27%), JavaScript (9%), Bash (5%), C# (5%), as a share of the 22 postings of the last 12 months.
Does Rackner use FastAPI?
Yes. FastAPI is named in 3 of 22 job postings (14%) and required in 3 of them.
What cloud and platforms does Rackner use?
The cloud and platforms named in Rackner job postings are Kubernetes (16), Microsoft Fabric (7), AWS (6) (postings in brackets).
What skills do you need for a Data Science job at Rackner?
Data Science postings at Rackner most often require SQL (4), Microsoft Entra ID (3), Microsoft Fabric (3), Python (3), out of 5 postings in the last 12 months.
Is the Rackner tech stack changing?
Yes. Copilot, Spark, Azure Data Factory, pySpark first appeared in Rackner job postings in the last six months.
How modern is the Rackner tech stack?
Rackner 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 Rackner tech stack?
Alion reads every job posting Rackner publishes and tags the technologies each one names. The figures on this page count the 22 postings of the last 12 months and were updated on Sep 26, 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, "Rackner tech stack: 106 technologies from 22 job postings", as of Sep 26, 2026. https://alion.io/company/rackner/technologies