SESTEK tech stack
SESTEK builds mostly with SQL, C#, JavaScript, Python. Its stack also includes Kubernetes, Postman, ElasticSearch, Playwright. Kubernetes is named in 3 of the 8 job postings SESTEK published in the last 12 months (38%). Counted by Alion from the job postings of SESTEK, updated Oct 16, 2026.
What programming languages does SESTEK use?
SQL is named in 25% of job postings at SESTEK, followed by C# (13%), JavaScript (13%), Python (13%).
What frameworks and libraries does SESTEK use?
Playwright is named in 13% of job postings at SESTEK, followed by React Native (13%), React.js (13%).
What databases does SESTEK use?
ElasticSearch is named in 13% of job postings at SESTEK.
ElasticSearch
1 13%
What cloud and platforms does SESTEK use?
Kubernetes is named in 38% of job postings at SESTEK, followed by Postman (25%), AWS (25%), Azure (13%).
Kubernetes
3 38%
Postman
2 25%
AWS
2 25%
Azure
1 13%
Azure DevOps
1 13%
Kibana
1 13%
Grafana
1 13%
What developer tools does SESTEK use?
Copilot is named in 25% of job postings at SESTEK, followed by Git (25%), Logstash (13%), Rest API (13%).
Copilot
2 25%
Git
2 25%
Logstash
1 13%
Rest API
1 13%
Ansible
1 13%
Docker
1 13%
Helm
1 13%
Jenkins
1 13%
Show all (12)
Which engineering practices does SESTEK ask for?
Text-to-Speech is named in 100% of job postings at SESTEK, followed by Speech Recognition (100%), AI Agents (63%), Voice Agents (25%).
Speech Recognition
8 100%
AI Agents
5 63%
CI/CD
1 13%
NLP
1 13%
Show all (9)
How does your stack fit SESTEK?
How is the SESTEK 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 SESTEK stack?
SESTEK 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 SESTEK stack in its industry?
Share of the 345 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like SESTEK
Questions about the SESTEK tech stack
What programming languages does SESTEK use?
The languages named in SESTEK job postings are SQL (25%), C# (13%), JavaScript (13%), Python (13%), as a share of the 8 postings of the last 12 months.
Does SESTEK use Kubernetes?
Yes. Kubernetes is named in 3 of 8 job postings (38%) and required in 1 of them.
What cloud and platforms does SESTEK use?
The cloud and platforms named in SESTEK job postings are Kubernetes (3), Postman (2), AWS (2) (postings in brackets).
Is the SESTEK tech stack changing?
Yes. Copilot, Postman, Kubernetes, AWS first appeared in SESTEK job postings in the last six months.
How modern is the SESTEK tech stack?
SESTEK 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 SESTEK tech stack?
Alion reads every job posting SESTEK publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 16, 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, "SESTEK tech stack: 37 technologies from 8 job postings", as of Oct 16, 2026. https://alion.io/company/sestek/technologies