Clean Harbors tech stack
Clean Harbors builds mostly with SQL, JavaScript, C#, TypeScript. Its stack also includes Windows, Azure, Angular, ASP.NET Core. Windows is named in 117 of the 994 job postings Clean Harbors published in the last 12 months (12%). Counted by Alion from the job postings of Clean Harbors, updated Nov 14, 2026.
What programming languages does Clean Harbors use?
SQL is named in 4% of job postings at Clean Harbors, followed by JavaScript (3%), C# (3%), TypeScript (3%).
SQL
43 4%
JavaScript
34 3%
C#
28 3%
TypeScript
26 3%
Python
8 1%
PowerShell
6 1%
Node JS
4 <1%
Ruby
4 <1%
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What frameworks and libraries does Clean Harbors use?
Angular is named in 3% of job postings at Clean Harbors, followed by ASP.NET Core (2%), Cucumber (<1%), Playwright (<1%).
Angular
25 3%
ASP.NET Core
16 2%
Cucumber
4 <1%
Playwright
4 <1%
Selenium
4 <1%
Appium
2 <1%
Cypress
2 <1%
Express
2 <1%
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What databases does Clean Harbors use?
MS SQL is named in 1% of job postings at Clean Harbors, followed by Oracle (<1%), Azure Cosmos DB (<1%), Azure SQL Database (<1%).
What cloud and platforms does Clean Harbors use?
Windows is named in 12% of job postings at Clean Harbors, followed by Azure (3%), .NET (1%), Dynatrace (1%).
Azure
28 3%
.NET
12 1%
Dynatrace
11 1%
GitHub
9 1%
Azure DevOps
8 1%
Kubernetes
7 1%
BrowserStack
6 1%
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What developer tools does Clean Harbors use?
Microsoft Excel is named in 4% of job postings at Clean Harbors, followed by Rest API (2%), Copilot (1%), Cursor (1%).
Rest API
18 2%
Copilot
13 1%
Cursor
13 1%
AutoCAD
10 1%
Docker
10 1%
Git
5 1%
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What AI and ML technologies does Clean Harbors use?
Claude is named in 1% of job postings at Clean Harbors, followed by ChatGPT (<1%).
Which engineering practices does Clean Harbors ask for?
HPC is named in 74% of job postings at Clean Harbors, followed by Knowledge Distillation (2%), Model Distillation (2%), CI/CD (2%).
HPC
733 74%
Knowledge Distillation
18 2%
CI/CD
17 2%
Prompt Engineering
9 1%
Incident Management
7 1%
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What does each Clean Harbors team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Field & Service
589 postingsIndustrial Engineering
119 postingsManagement
94 postingsBackend
31 postingsAdministrative
25 postingsHow does your stack fit Clean Harbors?
How is the Clean Harbors 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 Clean Harbors stack?
Clean Harbors scores 75 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: 2; legacy ones: 0.
How common is the Clean Harbors stack in its industry?
Share of the 748 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Clean Harbors apart
Companies with a stack like Clean Harbors
Questions about the Clean Harbors tech stack
What programming languages does Clean Harbors use?
The languages named in Clean Harbors job postings are SQL (4%), JavaScript (3%), C# (3%), TypeScript (3%), Python (1%), as a share of the 994 postings of the last 12 months.
Does Clean Harbors use Angular?
Yes. Angular is named in 25 of 994 job postings (3%) and required in 25 of them.
What cloud and platforms does Clean Harbors use?
The cloud and platforms named in Clean Harbors job postings are Windows (117), Azure (28), .NET (12) (postings in brackets).
What skills do you need for a Field & Service job at Clean Harbors?
Field & Service postings at Clean Harbors most often require Windows (51), Microsoft Excel (8), Capistrano (4), Harbor (2), out of 589 postings in the last 12 months.
Is the Clean Harbors tech stack changing?
Yes. Active Directory, GitHub Actions, IAM, RabbitMQ first appeared in Clean Harbors job postings in the last six months.
How modern is the Clean Harbors tech stack?
Clean Harbors scores 75 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: 2; legacy ones: 0.
How does Alion know the Clean Harbors tech stack?
Alion reads every job posting Clean Harbors publishes and tags the technologies each one names. The figures on this page count the 994 postings of the last 12 months and were updated on Nov 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, "Clean Harbors tech stack: 98 technologies from 994 job postings", as of Nov 14, 2026. https://alion.io/company/cleanharbors-com/technologies