EXL tech stack
EXL builds mostly with Python, SQL, PowerShell, Apex. Its stack also includes AWS, Azure, Amazon Redshift, LangChain. Python is named in 8 of the 11 job postings EXL published in the last 12 months (73%). Counted by Alion from the job postings of EXL, updated Sep 28, 2026.
What programming languages does EXL use?
Python is named in 73% of job postings at EXL, followed by SQL (45%), PowerShell (9%), Apex (9%).
What frameworks and libraries does EXL use?
LangChain is named in 27% of job postings at EXL, followed by PyTorch (27%), TensorFlow (27%), LlamaIndex (18%).
What databases does EXL use?
Amazon Redshift is named in 27% of job postings at EXL, followed by Amazon Aurora (18%), DynamoDB (18%), Milvus (18%).
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What cloud and platforms does EXL use?
AWS is named in 64% of job postings at EXL, followed by Azure (45%), Spark (45%), Amazon S3 (36%).
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What developer tools does EXL use?
Git is named in 36% of job postings at EXL, followed by pySpark (36%), Azure Data Factory (18%), Docker (18%).
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What AI and ML technologies does EXL use?
LLM is named in 27% of job postings at EXL, followed by Claude (9%), LoRA (9%), PEFT (9%).
Which engineering practices does EXL ask for?
CI/CD is named in 73% of job postings at EXL, followed by ETL/ELT (45%), RAG (36%), AI Agents (27%).
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What does each EXL 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
3 postingsHow does your stack fit EXL?
How modern is the EXL stack?
EXL scores 86 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: 4; legacy ones: 0.
Companies with a stack like EXL
Questions about the EXL tech stack
What programming languages does EXL use?
The languages named in EXL job postings are Python (73%), SQL (45%), PowerShell (9%), Apex (9%), JavaScript (9%), as a share of the 11 postings of the last 12 months.
Does EXL use LangChain?
Yes. LangChain is named in 3 of 11 job postings (27%) and required in 3 of them.
What cloud and platforms does EXL use?
The cloud and platforms named in EXL job postings are AWS (7), Azure (5), Spark (5) (postings in brackets).
What skills do you need for a Data Science job at EXL?
Data Science postings at EXL most often require SQL (4), Python (3), Spark (3), pySpark (3), out of 5 postings in the last 12 months.
Is the EXL tech stack changing?
No new technology has appeared in EXL job postings in the last six months.
How modern is the EXL tech stack?
EXL scores 86 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: 4; legacy ones: 0.
How does Alion know the EXL tech stack?
Alion reads every job posting EXL publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Sep 28, 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, "EXL tech stack: 101 technologies from 11 job postings", as of Sep 28, 2026. https://alion.io/company/exl/technologies
