GTT tech stack
GTT builds mostly with C#, SQL, Python, Go. Its stack also includes .NET, Azure, MS SQL, Oracle. C# is named in 9 of the 34 job postings GTT published in the last 12 months (26%). Counted by Alion from the job postings of GTT, updated Nov 12, 2026.
What programming languages does GTT use?
C# is named in 26% of job postings at GTT, followed by SQL (6%), Python (6%), Go (3%).
What databases does GTT use?
MS SQL is named in 3% of job postings at GTT, followed by Oracle (3%).
What cloud and platforms does GTT use?
.NET is named in 26% of job postings at GTT, followed by Azure (21%), Linux (18%), AWS (18%).
Show all (17)
What developer tools does GTT use?
Microsoft Excel is named in 12% of job postings at GTT, followed by Puppet (6%), SaltStack (6%), Ansible (6%).
Puppet
2 6%
SaltStack
2 6%
Ansible
2 6%
Chef
1 3%
Docker
1 3%
FortiGate
1 3%
KVM
1 3%
Show all (14)
Which engineering practices does GTT ask for?
MPLS is named in 50% of job postings at GTT, followed by BGP (38%), OSPF (29%), VPN (18%).
Incident Management
2 6%
Show all (13)
What does each GTT 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 GTT?
How is the GTT 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 GTT stack?
GTT 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 GTT stack in its industry?
Share of the 1,702 companies in the same industries, whose stack Alion knows, that use each technology.
What sets GTT apart
Companies with a stack like GTT
Questions about the GTT tech stack
What programming languages does GTT use?
The languages named in GTT job postings are C# (26%), SQL (6%), Python (6%), Go (3%), as a share of the 34 postings of the last 12 months.
Does GTT use .NET?
Yes. .NET is named in 9 of 34 job postings (26%) and required in 9 of them.
What cloud and platforms does GTT use?
The cloud and platforms named in GTT job postings are .NET (9), Azure (7), Linux (6) (postings in brackets).
What skills do you need for a DevOps job at GTT?
DevOps postings at GTT most often require Linux (2), Windows (2), out of 3 postings in the last 12 months.
Is the GTT tech stack changing?
Yes. Unix, OSPF, Incident Management, Active Directory first appeared in GTT job postings in the last six months.
How modern is the GTT tech stack?
GTT 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 GTT tech stack?
Alion reads every job posting GTT publishes and tags the technologies each one names. The figures on this page count the 34 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, "GTT tech stack: 50 technologies from 34 job postings", as of Nov 12, 2026. https://alion.io/company/gtt/technologies