RAPP tech stack
RAPP builds mostly with JavaScript, MATLAB, R, SPSS. Its stack also includes Power BI, Tableau, NumPy, D3.js. JavaScript is named in 3 of the 5 job postings RAPP published in the last 12 months (60%). Counted by Alion from the job postings of RAPP, updated Oct 14, 2026.
What programming languages does RAPP use?
JavaScript is named in 60% of job postings at RAPP, followed by MATLAB (40%), R (40%), SPSS (40%).
SPSS 
What frameworks and libraries does RAPP use?
NumPy is named in 40% of job postings at RAPP, followed by D3.js (40%).
What cloud and platforms does RAPP use?
Power BI is named in 40% of job postings at RAPP, followed by Tableau (40%), Bitbucket (20%), GitHub (20%).
What developer tools does RAPP use?
Microsoft Excel is named in 40% of job postings at RAPP, followed by Drupal (20%), WordPress (20%), Adobe Photoshop (20%).
Which engineering practices does RAPP ask for?
SLI/SLO/SLA is named in 20% of job postings at RAPP.
SLI/SLO/SLA
1 20%
How does your stack fit RAPP?
How is the RAPP 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 RAPP stack?
RAPP scores 64 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 RAPP stack in its industry?
Share of the 1,322 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like RAPP
DealerOn
13 shared technologies
Dolph Briscoe Center for American History
13 shared technologies
Vanderbilt University
14 shared technologies
McGill University
14 shared technologies
Duke Health
13 shared technologies
University of Wisconsin–Madison
14 shared technologies
Cornell University
15 shared technologies
Oregon State University
13 shared technologies
Questions about the RAPP tech stack
What programming languages does RAPP use?
The languages named in RAPP job postings are JavaScript (60%), MATLAB (40%), R (40%), SPSS (40%), PHP (20%), as a share of the 5 postings of the last 12 months.
Does RAPP use NumPy?
Yes. NumPy is named in 2 of 5 job postings (40%) and required in 2 of them.
What cloud and platforms does RAPP use?
The cloud and platforms named in RAPP job postings are Power BI (2), Tableau (2), Bitbucket (1) (postings in brackets).
Is the RAPP tech stack changing?
Yes. JavaScript, MATLAB, Microsoft Excel, NumPy first appeared in RAPP job postings in the last six months.
How modern is the RAPP tech stack?
RAPP scores 64 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 RAPP tech stack?
Alion reads every job posting RAPP publishes and tags the technologies each one names. The figures on this page count the 5 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, "RAPP tech stack: 18 technologies from 5 job postings", as of Oct 14, 2026. https://alion.io/company/rapp-4/technologies