TEL tech stack
TEL builds mostly with Java, SQL, PowerShell, Python. Its stack also includes Windows, Azure. Windows is named in 4 of the 5 job postings TEL published in the last 12 months (80%). Counted by Alion from the job postings of TEL, updated Oct 28, 2026.
What programming languages does TEL use?
Java is named in 60% of job postings at TEL, followed by SQL (40%), PowerShell (20%), Python (20%).
What cloud and platforms does TEL use?
Windows is named in 80% of job postings at TEL, followed by Azure (60%), AWS (40%), VMWare (40%).
What developer tools does TEL use?
Zabbix is named in 40% of job postings at TEL, followed by Docker (20%).
What does each TEL 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 TEL?
How is the TEL 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 TEL stack?
TEL scores 73 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 TEL tech stack
What programming languages does TEL use?
The languages named in TEL job postings are Java (60%), SQL (40%), PowerShell (20%), Python (20%), as a share of the 5 postings of the last 12 months.
Does TEL use Windows?
Yes. Windows is named in 4 of 5 job postings (80%) and required in 4 of them.
What cloud and platforms does TEL use?
The cloud and platforms named in TEL job postings are Windows (4), Azure (3), AWS (2) (postings in brackets).
What skills do you need for a DevOps job at TEL?
DevOps postings at TEL most often require Windows (3), SQL (2), VMWare (2), Zabbix (2), out of 3 postings in the last 12 months.
Is the TEL tech stack changing?
Yes. SQL, VMWare, Zabbix, Windows first appeared in TEL job postings in the last six months.
How modern is the TEL tech stack?
TEL scores 73 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 TEL tech stack?
Alion reads every job posting TEL 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 28, 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, "TEL tech stack: 11 technologies from 5 job postings", as of Oct 28, 2026. https://alion.io/company/tel-co-jp/technologies