Sidley tech stack
Sidley builds mostly with SQL, JavaScript, C#, PowerShell. Its stack also includes Azure, Kubernetes, PostgreSQL, React.js. Azure is named in 12 of the 33 job postings Sidley published in the last 12 months (36%). Counted by Alion from the job postings of Sidley, updated Oct 14, 2026.
What programming languages does Sidley use?
SQL is named in 27% of job postings at Sidley, followed by JavaScript (27%), C# (21%), PowerShell (12%).
SAS What frameworks and libraries does Sidley use?
React.js is named in 21% of job postings at Sidley, followed by Next.js (18%), LangGraph (9%), LangChain (9%).
FluentValidation 
What databases does Sidley use?
PostgreSQL is named in 21% of job postings at Sidley, followed by Azure SQL Database (18%), Azure Cosmos DB (9%), MS SQL (3%).
What cloud and platforms does Sidley use?
Azure is named in 36% of job postings at Sidley, followed by Kubernetes (24%), Azure DevOps (18%), Azure AKS (15%).
Azure
12 36%
Kubernetes
8 24%
Azure DevOps
6 18%
Azure AKS
5 15%
Power BI
5 15%
Databricks
4 12%
.NET
3 9%
Show all (20)
What developer tools does Sidley use?
Microsoft Excel is named in 27% of job postings at Sidley, followed by Docker (21%), Git (18%), GraphQL (9%).
Docker
7 21%
Git
6 18%
GraphQL
3 9%
Rest API
3 9%
Semantic Kernel
3 9%
Bicep
2 6%
Copilot
2 6%
Show all (14)
What AI and ML technologies does Sidley use?
Claude is named in 15% of job postings at Sidley, followed by LLM (15%), ChatGPT (3%).
Which engineering practices does Sidley ask for?
CI/CD is named in 24% of job postings at Sidley, followed by RAG (9%), Semantic Search (9%), Semantic Search (9%).
CI/CD
8 24%
RAG
3 9%
Semantic Search
3 9%
Platform Engineering
2 6%
Show all (14)
What does each Sidley team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
6 postingsProduct
3 postingsHow does your stack fit Sidley?
How much does Sidley pay by technology?
Median stated pay of the postings that name each technology, against the median of all Sidley postings with stated pay: $151k across 32 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Azure | 11 | $184k | +22% |
| JavaScript | 8 | $169k | +12% |
| SQL | 8 | $161k | +7% |
| Kubernetes | 7 | $200k | +33% |
| C# | 6 | $192k | +28% |
| PostgreSQL | 6 | $192k | +28% |
| React.js | 6 | $192k | +28% |
| Azure DevOps | 5 | $200k | +33% |
| Azure SQL Database | 5 | $200k | +33% |
| Next.js | 5 | $184k | +22% |
How modern is the Sidley stack?
Sidley 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: 3; legacy ones: 0.
How common is the Sidley stack in its industry?
Share of the 633 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Sidley apart
Companies with a stack like Sidley
Questions about the Sidley tech stack
What programming languages does Sidley use?
The languages named in Sidley job postings are SQL (27%), JavaScript (27%), C# (21%), PowerShell (12%), TypeScript (9%), as a share of the 33 postings of the last 12 months.
Does Sidley use React.js?
Yes. React.js is named in 7 of 33 job postings (21%) and required in 7 of them.
What cloud and platforms does Sidley use?
The cloud and platforms named in Sidley job postings are Azure (12), Kubernetes (8), Azure DevOps (6) (postings in brackets).
What skills do you need for a Backend job at Sidley?
Backend postings at Sidley most often require Azure (6), Docker (6), Git (6), Kubernetes (6), out of 6 postings in the last 12 months.
Is the Sidley tech stack changing?
No new technology has appeared in Sidley job postings in the last six months.
How modern is the Sidley tech stack?
Sidley 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: 3; legacy ones: 0.
How does Alion know the Sidley tech stack?
Alion reads every job posting Sidley publishes and tags the technologies each one names. The figures on this page count the 33 postings of the last 12 months and were updated on Oct 14, 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, "Sidley tech stack: 72 technologies from 33 job postings", as of Oct 14, 2026. https://alion.io/company/sidley/technologies