ASOS
Cosmetics & Makeup · E-commerce Platforms

ASOS tech stack

ASOS builds mostly with Python, SQL, Scala, Swift. Its stack also includes Azure, Databricks, PyTorch, TensorFlow. Python is named in 41 of the 123 job postings ASOS published in the last 12 months (33%). Counted by Alion from the job postings of ASOS, updated Nov 11, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 11, 2026
Technologies in use
130
Postings analysed
123
Open now
38
Modernity
84 /100
New in 6 months
8

What programming languages does ASOS use?

Python is named in 33% of job postings at ASOS, followed by SQL (11%), Scala (7%), Swift (6%).

Python 41 33% required in 95% · 13 open now · since Jun 2026
SQL 13 11% required in 77% · 4 open now · since Jul 2026
Scala 8 7% required in 100% · 1 open now · since Aug 2026
Swift 7 6% required in 100% · 3 open now · since May 2026
C# 4 3% required in 100% · 3 open now · since Sep 2026
Go 4 3% required in 100% · 3 open now · since Sep 2026
Java 4 3% required in 100% · 3 open now · since Jul 2026
Kotlin 4 3% required in 100% · 2 open now · since Jul 2026
Show all (13)
PowerShell4
C++1
JavaScript1
Node JS1
TypeScript1

What frameworks and libraries does ASOS use?

PyTorch is named in 16% of job postings at ASOS, followed by TensorFlow (15%), XGBoost (7%), LangChain (4%).

PyTorch 20 16% required in 100% · 6 open now · since Jun 2026
TensorFlow 19 15% required in 100% · 6 open now · since Aug 2026
XGBoost 8 7% required in 100% · 2 open now · since Aug 2026
LangChain 5 4% required in 100% · 2 open now · since Jun 2026
AutoGen 2 2% required in 100% · 1 open now · since Sep 2026
CrewAI 2 2% required in 100% · 1 open now · since Sep 2026
Jetpack Compose 2 2% required in 100% · 1 open now · since Jul 2026
LangGraph 2 2% required in 100% · 1 open now · since Sep 2026
Show all (16)
NumPy2
CUDA1
Diffusers1
Hilt1
Material31
React.js1
RxJava1
TensorFlow C++1

What databases does ASOS use?

Delta Lake is named in 4% of job postings at ASOS, followed by Azure Cosmos DB (2%), Azure SQL Database (2%), MS SQL (2%).

Delta Lake 5 4% required in 100% · 1 open now · since Aug 2026
Azure Cosmos DB 3 2% required in 100% · 1 open now · since Jul 2026
Azure SQL Database 3 2% required in 100% · 1 open now · since Jul 2026
MS SQL 2 2% required in 100% · 1 open now · since Oct 2026

What cloud and platforms does ASOS use?

Azure is named in 30% of job postings at ASOS, followed by Databricks (20%), Power BI (16%), Spark (15%).

Azure 37 30% required in 95% · 11 open now · since Jun 2026
Databricks 24 20% required in 100% · 5 open now · since Jul 2026
Power BI 20 16% required in 85% · 7 open now · since Jul 2026
Spark 18 15% required in 94% · 3 open now · since Jul 2026
Kubernetes 9 7% required in 89% · 2 open now · since Jun 2026
Azure DevOps 9 7% required in 78% · 4 open now · since Jul 2026
Microsoft Entra ID 9 7% required in 78% · 2 open now · since Jun 2026
AWS 7 6% required in 100% · 3 open now · since Sep 2026
Show all (31)
GitHub6
Copilot Studio6
GCP5
OpenAI5
GitHub Actions4
Google AI Studio4
.NET3
MicroStrategy3
Microsoft Fabric3
Azure AKS3
Braze2
Figma2
Qualys Cloud Platform2
SIEM2
Tableau2
Windows2
Wiz2
Microsoft Defender2
Hugging Face1
Looker1
Active Directory1
Airflow1
Grafana1

What developer tools does ASOS use?

Microsoft Excel is named in 14% of job postings at ASOS, followed by Azure Data Factory (7%), Model Context Protocol (7%), AgentOps (6%).

Microsoft Excel 17 14% required in 88% · 10 open now · since Aug 2026
Azure Data Factory 9 7% required in 89% · 2 open now · since Jul 2026
Model Context Protocol 8 7% required in 100% · 3 open now · since Jun 2026
AgentOps 7 6% required in 100% · 1 open now · since Jun 2026
Terraform 7 6% required in 100% · 1 open now · since Jul 2026
dbt 6 5% required in 100% · since Aug 2026
Copilot 6 5% required in 50% · 3 open now · since Jul 2026
Semantic Kernel 5 4% required in 100% · 2 open now · since Jun 2026
Show all (25)
Git4
pySpark4
Claude Code3
Docker3
Alteryx3
CloudFormation2
Nessus2
Pulumi2
Backstage1
Bicep1
ComfyUI1
Cursor1
ONNX1
OpenAI Codex1
Rest API1
TensorRT1
Fivetran1

What AI and ML technologies does ASOS use?

LLM is named in 14% of job postings at ASOS, followed by ChatGPT (2%), Claude (1%), ControlNet (1%).

LLM 17 14% required in 100% · 5 open now · since Jun 2026
ChatGPT 2 2% required in 100% · since Aug 2026
Claude 1 1% required in 100% · 1 open now · since Nov 2026
ControlNet 1 1% required in 100% · since Jun 2026
DreamBooth 1 1% required in 100% · since Jun 2026
LoRA 1 1% required in 100% · since Jun 2026
PEFT 1 1% required in 100% · since Jun 2026
SDXL 1 1% required in 100% · since Jun 2026
Show all (9)
Stable Diffusion1

Which engineering practices does ASOS ask for?

CI/CD is named in 33% of job postings at ASOS, followed by Machine Learning (28%), AI Agents (18%), Recommender Systems (15%).

CI/CD 41 33% required in 93% · 12 open now · since May 2026
Machine Learning 35 28% required in 91% · 11 open now · since May 2026
AI Agents 22 18% required in 100% · 7 open now · since Jun 2026
Recommender Systems 19 15% required in 100% · 6 open now · since Aug 2026
Agentic Workflows 12 10% required in 100% · 3 open now · since Aug 2026
Function Calling 11 9% required in 100% · 4 open now · since Jun 2026
RAG 9 7% required in 100% · 4 open now · since Jun 2026
LLM Guardrails 8 7% required in 100% · 3 open now · since Jun 2026
Show all (30)
A/B Testing8
LLMOps8
Platform Engineering7
Incident Management6
Fine-tuning5
Human-in-the-Loop5
Embeddings4
Multi-Agent Systems4
Hallucination3
Computer Vision2
Dimensional Modeling2
Feature Store2
FinOps2
Multimodal AI2
ETL/ELT2
Anomaly Detection1
Dependency Injection1
Diffusion Models1
IAM1
Localization1
Material Design1
Reactive Programming1

What other technologies does ASOS use?

Kotlin Coroutines is named in 1% of job postings at ASOS, followed by StateFlow (1%).

Kotlin Coroutines 1 1% required in 100% · 1 open now · since Jul 2026
StateFlow 1 1% required in 100% · 1 open now · since Jul 2026

What does each ASOS team work with?

The technologies each team's postings require most often, with the number of postings that require them.

AI/ML

36 postings
PyTorch18
TensorFlow18
Python17
Azure13
LLM11
XGBoost8

Product

17 postings
Power BI5
Databricks3
Azure2
ChatGPT2
dbt2

Data Science

12 postings
Databricks12
Azure11
Python11
Spark11
Azure Data Factory7
Scala5

Mobile

9 postings
Swift7
Jetpack Compose2
Kotlin2

Finance

8 postings
Microsoft Excel8
Power BI2

Security

7 postings
AWS2
Azure2
Kubernetes2
Nessus2
Qualys Cloud Platform2
SIEM2

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How does your stack fit ASOS?

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How is the ASOS 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.

First appeared
WindowsOct 2026
Dimensional ModelingOct 2026
MS SQLOct 2026
FinOpsSep 2026
GoSep 2026
CloudFormationSep 2026
Feature StoreSep 2026
PulumiSep 2026
Rising
Microsoft Excel0% → 18%
Agentic Workflows0% → 12%
Machine Learning20% → 31%
Recommender Systems8% → 18%
TensorFlow8% → 18%
AWS0% → 7%
Incident Management0% → 6%
GCP0% → 5%
Falling
Microsoft Entra ID20% → 4%
AgentOps16% → 3%
LLMOps16% → 4%
Power BI24% → 14%
Function Calling16% → 7%
Swift12% → 3%
LLM20% → 12%
Model Context Protocol12% → 5%

How modern is the ASOS stack?

Cutting-edge AI adopter 84/100

ASOS 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: 9; legacy ones: 0.

How common is the ASOS stack in its industry?

Share of the 2,169 companies in the same industries, whose stack Alion knows, that use each technology.

Python25%
Azure14%
Databricks5%
Power BI16%
PyTorch5%
TensorFlow3%
Spark5%
LLM12%
SQL31%
Azure DevOps4%

What sets ASOS apart

TensorFlow3%
Azure DevOps4%
Microsoft Entra ID3%
Scala2%
XGBoost1%
Swift3%
Copilot Studio1%
Delta Lake1%
LangChain4%
Google AI Studio0%

Questions about the ASOS tech stack

What programming languages does ASOS use?

The languages named in ASOS job postings are Python (33%), SQL (11%), Scala (7%), Swift (6%), C# (3%), as a share of the 123 postings of the last 12 months.

Does ASOS use PyTorch?

Yes. PyTorch is named in 20 of 123 job postings (16%) and required in 20 of them.

What cloud and platforms does ASOS use?

The cloud and platforms named in ASOS job postings are Azure (37), Databricks (24), Power BI (20) (postings in brackets).

What skills do you need for a AI/ML job at ASOS?

AI/ML postings at ASOS most often require PyTorch (18), TensorFlow (18), Python (17), Azure (13), out of 36 postings in the last 12 months.

Is the ASOS tech stack changing?

Yes. Windows, Dimensional Modeling, MS SQL, FinOps first appeared in ASOS job postings in the last six months.

How modern is the ASOS tech stack?

ASOS 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: 9; legacy ones: 0.

How does Alion know the ASOS tech stack?

Alion reads every job posting ASOS publishes and tags the technologies each one names. The figures on this page count the 123 postings of the last 12 months and were updated on Nov 11, 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, "ASOS tech stack: 130 technologies from 123 job postings", as of Nov 11, 2026. https://alion.io/company/asos/technologies

Licence: CC BY-SA 4.0JSON