R4S tech stack
R4S builds mostly with 1C, PHP. Its stack also includes Windows, Active Directory. 1C is named in 6 of the 12 job postings R4S published in the last 12 months (50%). Counted by Alion from the job postings of R4S, updated Nov 2, 2026.
What programming languages does R4S use?
1C is named in 50% of job postings at R4S, followed by PHP (8%).
1C
6 50%
PHP
1 8%
What cloud and platforms does R4S use?
Windows is named in 33% of job postings at R4S, followed by Active Directory (17%), Figma (8%).
What developer tools does R4S use?
AutoCAD is named in 8% of job postings at R4S, followed by Bitrix (8%), Adobe Photoshop (8%).
What does each R4S team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Support
4 postingsHow does your stack fit R4S?
How modern is the R4S stack?
R4S scores 74 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 R4S stack in its industry?
Share of the 900 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like R4S
Questions about the R4S tech stack
What programming languages does R4S use?
The languages named in R4S job postings are 1C (50%), PHP (8%), as a share of the 12 postings of the last 12 months.
Does R4S use Windows?
Yes. Windows is named in 4 of 12 job postings (33%) and required in 4 of them.
What cloud and platforms does R4S use?
The cloud and platforms named in R4S job postings are Windows (4), Active Directory (2), Figma (1) (postings in brackets).
What skills do you need for a Support job at R4S?
Support postings at R4S most often require Windows (4), Active Directory (2), out of 4 postings in the last 12 months.
Is the R4S tech stack changing?
No new technology has appeared in R4S job postings in the last six months.
How modern is the R4S tech stack?
R4S scores 74 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 R4S tech stack?
Alion reads every job posting R4S publishes and tags the technologies each one names. The figures on this page count the 12 postings of the last 12 months and were updated on Nov 2, 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, "R4S tech stack: 8 technologies from 12 job postings", as of Nov 2, 2026. https://alion.io/company/r4s/technologies