ASOS tech stack

ASOS builds mostly with Python, SQL, Swift, Scala. Its stack also includes Azure, Databricks, PyTorch, TensorFlow. Python is named in 27 of the 83 job postings ASOS published in the last 12 months (33%). Counted by Alion from the job postings of ASOS, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
115
Postings analysed
83
Open now
31
Modernity
85 /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 (13%), Swift (8%), Scala (5%).

Python 27 33% required in 96% · 8 open now · since Jun 2026
SQL 11 13% required in 82% · 4 open now · since Jul 2026
Swift 7 8% required in 100% · 3 open now · since May 2026
Scala 4 5% required in 100% · 1 open now · since Aug 2026
C# 2 2% required in 100% · 1 open now · since Sep 2026
Java 2 2% required in 100% · 2 open now · since Jul 2026
Kotlin 2 2% required in 100% · 1 open now · since Jul 2026
C++ 1 1% required in 100% · 1 open now · since Sep 2026
Show all (9)
PowerShell1

What frameworks and libraries does ASOS use?

PyTorch is named in 18% of job postings at ASOS, followed by TensorFlow (17%), XGBoost (7%), LangChain (5%).

PyTorch 15 18% required in 100% · 5 open now · since Jun 2026
TensorFlow 14 17% required in 100% · 5 open now · since Aug 2026
XGBoost 6 7% required in 100% · 2 open now · since Aug 2026
LangChain 4 5% required in 100% · 1 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
PyTorch C++1
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%).

Delta Lake 3 4% required in 100% · since Aug 2026
Azure Cosmos DB 2 2% required in 100% · since Jul 2026
Azure SQL Database 2 2% required in 100% · since Jul 2026

What cloud and platforms does ASOS use?

Azure is named in 28% of job postings at ASOS, followed by Databricks (20%), Power BI (17%), Spark (14%).

Azure 23 28% required in 96% · 5 open now · since Jun 2026
Databricks 17 20% required in 100% · 5 open now · since Jul 2026
Power BI 14 17% required in 79% · 4 open now · since Jul 2026
Spark 12 14% required in 100% · 3 open now · since Jul 2026
Microsoft Entra ID 8 10% required in 88% · 1 open now · since Jun 2026
Kubernetes 6 7% required in 100% · 1 open now · since Jun 2026
Copilot Studio 6 7% required in 33% · 2 open now · since Jun 2026
Azure DevOps 5 6% required in 80% · 1 open now · since Jul 2026
Show all (30)
OpenAI4
Google AI Studio3
GitHub3
.NET2
AWS2
Figma2
GitHub Actions2
MicroStrategy2
Microsoft Fabric2
Qualys Cloud Platform2
Tableau2
Wiz2
Azure AKS2
Microsoft Defender2
Braze1
CUDA Toolkit1
GCP1
Hugging Face1
Looker1
SIEM1
Active Directory1
Airflow1

What developer tools does ASOS use?

AgentOps is named in 8% of job postings at ASOS, followed by Model Context Protocol (8%), dbt (7%), Azure Data Factory (7%).

AgentOps 7 8% required in 100% · 1 open now · since Jun 2026
Model Context Protocol 7 8% required in 100% · 2 open now · since Jun 2026
dbt 6 7% required in 100% · 1 open now · since Aug 2026
Azure Data Factory 6 7% required in 83% · since Jul 2026
Terraform 5 6% required in 100% · since Jul 2026
Semantic Kernel 4 5% required in 100% · 1 open now · since Jun 2026
Microsoft Excel 4 5% required in 75% · 1 open now · since Aug 2026
Copilot 4 5% required in 25% · 1 open now · since Jul 2026
Show all (20)
pySpark3
Docker2
Git2
Nessus2
Alteryx2
Claude Code1
ComfyUI1
Cursor1
ONNX1
OpenAI Codex1
TensorRT1
Fivetran1

What AI and ML technologies does ASOS use?

LLM is named in 17% of job postings at ASOS, followed by ChatGPT (2%), ControlNet (1%), DreamBooth (1%).

LLM 14 17% required in 100% · 5 open now · since Jun 2026
ChatGPT 2 2% required in 100% · since Aug 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
Stable Diffusion 1 1% required in 100% · since Jun 2026

Which engineering practices does ASOS ask for?

CI/CD is named in 34% of job postings at ASOS, followed by Machine Learning (28%), AI Agents (17%), Recommender Systems (17%).

CI/CD 28 34% required in 93% · 8 open now · since May 2026
Machine Learning 23 28% required in 91% · 9 open now · since May 2026
AI Agents 14 17% required in 100% · 5 open now · since Jun 2026
Recommender Systems 14 17% required in 100% · 4 open now · since Aug 2026
Function Calling 9 11% required in 100% · 2 open now · since Jun 2026
A/B Testing 8 10% required in 75% · 4 open now · since Jul 2026
Platform Engineering 7 8% required in 100% · since Jul 2026
RAG 7 8% required in 100% · 4 open now · since Jun 2026
Show all (27)
LLMOps7
Agentic Workflows6
LLM Guardrails6
Tool Use6
Fine-tuning4
Embeddings3
Human-in-the-Loop3
Multi-Agent Systems3
Computer Vision2
Hallucination2
Incident Management2
Multimodal AI2
Dependency Injection1
Diffusion Models1
IAM1
Localization1
Material Design1
Reactive Programming1
ETL/ELT1

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

28 postings
PyTorch13
TensorFlow13
Python12
Azure10
LLM10
Model Context Protocol7

Product

14 postings
Power BI5
Databricks3
Azure2
ChatGPT2
dbt2

Mobile

9 postings
Swift7
Jetpack Compose2
Kotlin2

Data Science

7 postings
Azure7
Databricks7
Python7
Spark7
Azure Data Factory5
Terraform5

Analytics

5 postings
Python5
SQL5
Power BI4
Databricks3
Spark3
NumPy2

Security

4 postings
Kubernetes2
Nessus2
Qualys Cloud Platform2
Wiz2

See the open roles

How does your stack fit ASOS?

Sign in to compare your skills with this stack and see which open roles fit you.
Sign In

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
NessusSep 2026
Qualys Cloud PlatformSep 2026
WizSep 2026
Microsoft DefenderSep 2026
.NETSep 2026
AutoGenSep 2026
C#Sep 2026
CrewAISep 2026

How modern is the ASOS stack?

Cutting-edge AI adopter 85/100

ASOS 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: 8; legacy ones: 0.

How common is the ASOS stack in its industry?

Share of the 1,371 companies in the same industries, whose stack Alion knows, that use each technology.

Python33%
Azure16%
Databricks6%
PyTorch6%
LLM16%
Power BI15%
TensorFlow5%
Spark7%
SQL35%
Microsoft Entra ID3%

What sets ASOS apart

Microsoft Entra ID3%
Swift4%
Copilot Studio1%
XGBoost2%
Azure DevOps4%
LangChain4%
Scala4%
Delta Lake2%
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 (13%), Swift (8%), Scala (5%), C# (2%), as a share of the 83 postings of the last 12 months.

Does ASOS use PyTorch?

Yes. PyTorch is named in 15 of 83 job postings (18%) and required in 15 of them.

What cloud and platforms does ASOS use?

The cloud and platforms named in ASOS job postings are Azure (23), Databricks (17), Power BI (14) (postings in brackets).

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

AI/ML postings at ASOS most often require PyTorch (13), TensorFlow (13), Python (12), Azure (10), out of 28 postings in the last 12 months.

Is the ASOS tech stack changing?

Yes. Nessus, Qualys Cloud Platform, Wiz, Microsoft Defender first appeared in ASOS job postings in the last six months.

How modern is the ASOS tech stack?

ASOS 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: 8; 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 83 postings of the last 12 months and were updated on Sep 27, 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: 115 technologies from 83 job postings", as of Sep 27, 2026. https://alion.io/company/asos/technologies

Licence: CC BY-SA 4.0JSON