WNS tech stack
WNS builds mostly with SQL, Python, PowerShell, C#. Its stack also includes Azure, AWS, Snowflake, Amazon Redshift. Azure is named in 34 of the 305 job postings WNS published in the last 12 months (11%). Counted by Alion from the job postings of WNS, updated Nov 12, 2026.
What programming languages does WNS use?
SQL is named in 10% of job postings at WNS, followed by Python (8%), PowerShell (2%), C# (1%).
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What frameworks and libraries does WNS use?
Hadoop is named in 2% of job postings at WNS, followed by LangChain (1%), NVIDIA NeMo (1%), Transformers (1%).
Hadoop
5 2%
LangChain
3 1%
Transformers
2 1%
ASP.NET Core
1 <1%
Angular
1 <1%
Entity Framework Core
1 <1%
Matplotlib
1 <1%
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What databases does WNS use?
Snowflake is named in 4% of job postings at WNS, followed by Amazon Redshift (2%), Delta Lake (1%), Google BigQuery (1%).
Snowflake
11 4%
Amazon Redshift
5 2%
Delta Lake
3 1%
Google BigQuery
2 1%
MongoDB
2 1%
Azure SQL Database
2 1%
MS SQL
2 1%
Oracle
1 <1%
What cloud and platforms does WNS use?
Azure is named in 11% of job postings at WNS, followed by AWS (9%), Power BI (8%), GCP (6%).
Azure
34 11%
AWS
28 9%
Power BI
23 8%
GCP
19 6%
Kubernetes
17 6%
Crowdstrike
14 5%
Databricks
13 4%
Azure DevOps
11 4%
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What developer tools does WNS use?
Microsoft Excel is named in 11% of job postings at WNS, followed by Docker (6%), Terraform (5%), Bicep (3%).
Docker
19 6%
Terraform
15 5%
Bicep
10 3%
CloudFormation
9 3%
Vault
9 3%
Rest API
8 3%
Git
7 2%
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What AI and ML technologies does WNS use?
LLM is named in 1% of job postings at WNS, followed by Claude (<1%), Llama (<1%).
Which engineering practices does WNS ask for?
AI Agents is named in 96% of job postings at WNS, followed by CI/CD (8%), IAM (4%), Machine Learning (3%).
AI Agents
294 96%
CI/CD
23 8%
SLI/SLO/SLA
9 3%
Incident Management
5 2%
Show all (30)
What other technologies does WNS use?
CDS Views is named in <1% of job postings at WNS.
What does each WNS team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
41 postingsSecurity
16 postingsHow does your stack fit WNS?
How is the WNS 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 WNS stack?
WNS 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: 3; legacy ones: 0.
How common is the WNS stack in its industry?
Share of the 6,534 companies in the same industries, whose stack Alion knows, that use each technology.
What sets WNS apart
Companies with a stack like WNS
Questions about the WNS tech stack
What programming languages does WNS use?
The languages named in WNS job postings are SQL (10%), Python (8%), PowerShell (2%), C# (1%), Java (1%), as a share of the 305 postings of the last 12 months.
Does WNS use LangChain?
Yes. LangChain is named in 3 of 305 job postings (1%) and required in 2 of them.
What cloud and platforms does WNS use?
The cloud and platforms named in WNS job postings are Azure (34), AWS (28), Power BI (23) (postings in brackets).
What skills do you need for a Analytics job at WNS?
Analytics postings at WNS most often require SQL (11), Power BI (9), QlikSense (3), Azure (2), out of 41 postings in the last 12 months.
Is the WNS tech stack changing?
Yes. Great Expectations, Azure Data Factory, Hugging Face, ICH Guidelines first appeared in WNS job postings in the last six months.
How modern is the WNS tech stack?
WNS 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: 3; legacy ones: 0.
How does Alion know the WNS tech stack?
Alion reads every job posting WNS publishes and tags the technologies each one names. The figures on this page count the 305 postings of the last 12 months and were updated on Nov 12, 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, "WNS tech stack: 131 technologies from 305 job postings", as of Nov 12, 2026. https://alion.io/company/wns/technologies