AWS tech stack
AWS builds mostly with SQL, Python, C#, Java. Its stack also includes Azure, AWS Bedrock, LangChain, Selenium. Azure is named in 8 of the 16 job postings AWS published in the last 12 months (50%). Counted by Alion from the job postings of AWS, updated Oct 3, 2026.
What programming languages does AWS use?
SQL is named in 44% of job postings at AWS, followed by Python (31%), C# (6%), Java (6%).
What frameworks and libraries does AWS use?
LangChain is named in 19% of job postings at AWS, followed by Selenium (13%), CrewAI (6%), FastAPI (6%).
LangChain
3 19%
Selenium
2 13%
CrewAI
1 6%
FastAPI
1 6%
Flask
1 6%
Flink
1 6%
LangGraph
1 6%
LightGBM
1 6%
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What databases does AWS use?
Amazon DocumentDB is named in 6% of job postings at AWS, followed by Amazon Redshift (6%), Delta Lake (6%), MySQL (6%).
What cloud and platforms does AWS use?
Azure is named in 50% of job postings at AWS, followed by AWS Bedrock (25%), OpenAI (25%), Vertex AI (25%).
Azure
8 50%
AWS Bedrock
4 25%
Vertex AI
4 25%
Azure DevOps
3 19%
Databricks
3 19%
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What developer tools does AWS use?
Git is named in 25% of job postings at AWS, followed by Langflow (25%), JMeter (13%), Flowise (6%).
Git
4 25%
Langflow
4 25%
JMeter
2 13%
Flowise
1 6%
Jenkins
1 6%
Rest API
1 6%
Terraform
1 6%
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Which engineering practices does AWS ask for?
CI/CD is named in 25% of job postings at AWS, followed by RAG (25%), LLMOps (19%), ETL/ELT (13%).
CI/CD
4 25%
RAG
4 25%
Prompt Engineering
2 13%
Fine-tuning
1 6%
Gitflow
1 6%
Show all (12)
What does each AWS team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
4 postingsQA
3 postingsHow does your stack fit AWS?
How is the AWS 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 AWS stack?
AWS scores 70 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the AWS stack in its industry?
Share of the 5,511 companies in the same industries, whose stack Alion knows, that use each technology.
What sets AWS apart
AWS products in its job postings
Postings at AWS name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like AWS
Questions about the AWS tech stack
What programming languages does AWS use?
The languages named in AWS job postings are SQL (44%), Python (31%), C# (6%), Java (6%), JavaScript (6%), as a share of the 16 postings of the last 12 months.
Does AWS use LangChain?
Yes. LangChain is named in 3 of 16 job postings (19%) and required in 3 of them.
What cloud and platforms does AWS use?
The cloud and platforms named in AWS job postings are Azure (8), AWS Bedrock (4), OpenAI (4) (postings in brackets).
What skills do you need for a AI/ML job at AWS?
AI/ML postings at AWS most often require AWS Bedrock (4), Azure (4), Langflow (4), OpenAI (4), out of 4 postings in the last 12 months.
Is the AWS tech stack changing?
Yes. JMeter, Selenium, ETL/ELT, Power BI first appeared in AWS job postings in the last six months.
How modern is the AWS tech stack?
AWS scores 70 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the AWS tech stack?
Alion reads every job posting AWS publishes and tags the technologies each one names. The figures on this page count the 16 postings of the last 12 months and were updated on Oct 3, 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, "AWS tech stack: 76 technologies from 16 job postings", as of Oct 3, 2026. https://alion.io/company/compass-uol/technologies