CallTek tech stack
CallTek builds mostly with PowerShell, JavaScript, Python, Bash. Its stack also includes Windows, Azure, ASP.NET Core, React.js. Windows is named in 9 of the 24 job postings CallTek published in the last 12 months (38%). Counted by Alion from the job postings of CallTek, updated Nov 12, 2026.
What programming languages does CallTek use?
PowerShell is named in 25% of job postings at CallTek, followed by JavaScript (13%), Python (13%), Bash (8%).
PowerShell
6 25%
JavaScript
3 13%
Python
3 13%
Bash
2 8%
Node JS
2 8%
TypeScript
2 8%
Sass
1 4%
C#
1 4%
What frameworks and libraries does CallTek use?
ASP.NET Core is named in 4% of job postings at CallTek, followed by React.js (4%), Vue.js (4%).
What cloud and platforms does CallTek use?
Windows is named in 38% of job postings at CallTek, followed by Azure (25%), Active Directory (21%), Linux (17%).
Azure
6 25%
AWS
4 17%
Windows Server
3 13%
Show all (15)
What developer tools does CallTek use?
Wireshark is named in 21% of job postings at CallTek, followed by Zabbix (21%), Nagios (13%), Tcpdump (13%).
Wireshark
5 21%
Zabbix
5 21%
Nagios
3 13%
Tcpdump
3 13%
Claude Code
2 8%
Copilot
2 8%
Docker
2 8%
Show all (17)
Which engineering practices does CallTek ask for?
DNS is named in 38% of job postings at CallTek, followed by DHCP (33%), TCP/IP (25%), VPN (25%).
Incident Management
4 17%
Show all (13)
What does each CallTek team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Support
6 postingsNetworking
6 postingsBackend
3 postingsHow does your stack fit CallTek?
How is the CallTek 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 CallTek stack?
CallTek scores 63 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 CallTek stack in its industry?
Share of the 479 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like CallTek
Questions about the CallTek tech stack
What programming languages does CallTek use?
The languages named in CallTek job postings are PowerShell (25%), JavaScript (13%), Python (13%), Bash (8%), Node JS (8%), as a share of the 24 postings of the last 12 months.
Does CallTek use Windows?
Yes. Windows is named in 9 of 24 job postings (38%) and required in 9 of them.
What cloud and platforms does CallTek use?
The cloud and platforms named in CallTek job postings are Windows (9), Azure (6), Active Directory (5) (postings in brackets).
What skills do you need for a Support job at CallTek?
Support postings at CallTek most often require Windows (4), Active Directory (2), Wireshark (2), out of 6 postings in the last 12 months.
Is the CallTek tech stack changing?
Yes. JavaScript, Claude Code, Copilot, Docker first appeared in CallTek job postings in the last six months.
How modern is the CallTek tech stack?
CallTek scores 63 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 CallTek tech stack?
Alion reads every job posting CallTek publishes and tags the technologies each one names. The figures on this page count the 24 postings of the last 12 months and were updated on Nov 12, 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, "CallTek tech stack: 56 technologies from 24 job postings", as of Nov 12, 2026. https://alion.io/company/calltekinc/technologies