Clean Harbors tech stack
Clean Harbors builds mostly with SQL, JavaScript, C#, TypeScript. Its stack also includes Windows, Angular, Azure, ASP.NET Core. Windows is named in 31 of the 271 job postings Clean Harbors published in the last 12 months (11%). Counted by Alion from the job postings of Clean Harbors, updated Oct 1, 2026.
What programming languages does Clean Harbors use?
SQL is named in 5% of job postings at Clean Harbors, followed by JavaScript (4%), C# (3%), TypeScript (3%).
SQL
13 5%
JavaScript
11 4%
C#
7 3%
TypeScript
7 3%
Python
3 1%
Node JS
2 1%
PowerShell
2 1%
PHP
1 <1%
Show all (9)
What frameworks and libraries does Clean Harbors use?
Angular is named in 3% of job postings at Clean Harbors, followed by ASP.NET Core (1%), Commander.js (<1%), Cucumber (<1%).
Angular
7 3%
ASP.NET Core
4 1%
Commander.js
1 <1%
Cucumber
1 <1%
Cypress
1 <1%
Express
1 <1%
Playwright
1 <1%
Rest-Assured
1 <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 MySQL (<1%), Oracle (<1%).
What cloud and platforms does Clean Harbors use?
Windows is named in 11% of job postings at Clean Harbors, followed by Azure (2%), GitHub (1%), .NET (1%).
Azure
6 2%
GitHub
4 1%
.NET
3 1%
Adjust
3 1%
BrowserStack
2 1%
Dynatrace
2 1%
Kubernetes
2 1%
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What developer tools does Clean Harbors use?
Microsoft Excel is named in 6% of job postings at Clean Harbors, followed by Copilot (1%), Cursor (1%), Rest API (1%).
Copilot
4 1%
Cursor
3 1%
Rest API
3 1%
Docker
3 1%
AutoCAD
2 1%
Git
2 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 73% of job postings at Clean Harbors, followed by Knowledge Distillation (2%), Model Distillation (2%), ETL/ELT (1%).
HPC
199 73%
CI/CD
3 1%
Clean Architecture
2 1%
Prompt Engineering
2 1%
SLI/SLO/SLA
2 1%
Show all (14)
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
162 postingsIndustrial Engineering
30 postingsBackend
9 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 79 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 201 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 (5%), JavaScript (4%), C# (3%), TypeScript (3%), Python (1%), as a share of the 271 postings of the last 12 months.
Does Clean Harbors use Angular?
Yes. Angular is named in 7 of 271 job postings (3%) and required in 7 of them.
What cloud and platforms does Clean Harbors use?
The cloud and platforms named in Clean Harbors job postings are Windows (31), Azure (6), GitHub (4) (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 (12), Adjust (2), Microsoft Excel (2), out of 162 postings in the last 12 months.
Is the Clean Harbors tech stack changing?
Yes. AutoCAD, SonarQube, ETL/ELT, Oracle Data Integrator first appeared in Clean Harbors job postings in the last six months.
How modern is the Clean Harbors tech stack?
Clean Harbors scores 79 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 271 postings of the last 12 months and were updated on Oct 1, 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: 71 technologies from 271 job postings", as of Oct 1, 2026. https://alion.io/company/cleanharbors-com/technologies