IWI tech stack
IWI builds mostly with Java, C#, C++, COBOL. Its stack also includes AWS, Windows, PostgreSQL. AWS is named in 4 of the 7 job postings IWI published in the last 12 months (57%). Counted by Alion from the job postings of IWI, updated Nov 2, 2026.
What programming languages does IWI use?
Java is named in 43% of job postings at IWI, followed by C# (29%), C++ (29%), COBOL (14%).
C# 
What cloud and platforms does IWI use?
AWS is named in 57% of job postings at IWI, followed by Windows (43%), Linux (29%), Azure (14%).
What developer tools does IWI use?
Zabbix is named in 29% of job postings at IWI, followed by FortiGate (14%).
Which engineering practices does IWI ask for?
TCP/IP is named in 14% of job postings at IWI.
What does each IWI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
DevOps
3 postingsHow does your stack fit IWI?
How modern is the IWI stack?
IWI scores 71 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.
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Questions about the IWI tech stack
What programming languages does IWI use?
The languages named in IWI job postings are Java (43%), C# (29%), C++ (29%), COBOL (14%), as a share of the 7 postings of the last 12 months.
Does IWI use AWS?
Yes. AWS is named in 4 of 7 job postings (57%) and required in 4 of them.
What cloud and platforms does IWI use?
The cloud and platforms named in IWI job postings are AWS (4), Windows (3), Linux (2) (postings in brackets).
What skills do you need for a DevOps job at IWI?
DevOps postings at IWI most often require Windows (3), AWS (2), Zabbix (2), out of 3 postings in the last 12 months.
Is the IWI tech stack changing?
No new technology has appeared in IWI job postings in the last six months.
How modern is the IWI tech stack?
IWI scores 71 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 IWI tech stack?
Alion reads every job posting IWI publishes and tags the technologies each one names. The figures on this page count the 7 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, "IWI tech stack: 14 technologies from 7 job postings", as of Nov 2, 2026. https://alion.io/company/iwi-co-jp/technologies