Testlio tech stack
Testlio builds mostly with JavaScript, Node JS, TypeScript, Python. Its stack also includes AWS, Windows, JAX, React.js. AWS is named in 3 of the 12 job postings Testlio published in the last 12 months (25%). Counted by Alion from the job postings of Testlio, updated Oct 16, 2026.
What programming languages does Testlio use?
JavaScript is named in 17% of job postings at Testlio, followed by Node JS (17%), TypeScript (17%), Python (8%).
What frameworks and libraries does Testlio use?
JAX is named in 17% of job postings at Testlio, followed by React.js (17%), AutoGen (8%), CrewAI (8%).
What cloud and platforms does Testlio use?
AWS is named in 25% of job postings at Testlio, followed by Windows (17%), Apache Kafka (17%), Datadog (17%).
AWS
3 25%
Apache Kafka
2 17%
Datadog
2 17%
New Relic
2 17%
Sentry
2 17%
Azure DevOps
1 8%
GitHub
1 8%
Show all (11)
What developer tools does Testlio use?
Claude Code is named in 17% of job postings at Testlio, followed by GraphQL (17%), TestRail (8%).
What AI and ML technologies does Testlio use?
LLM is named in 25% of job postings at Testlio.
LLM
3 25%
Which engineering practices does Testlio ask for?
AI Agents is named in 42% of job postings at Testlio, followed by CI/CD (17%), Agentic Workflows (8%), Fine-tuning (8%).
AI Agents
5 42%
CI/CD
2 17%
Fine-tuning
1 8%
Function Calling
1 8%
Show all (12)
What does each Testlio team work with?
The technologies each team's postings require most often, with the number of postings that require them.
QA
5 postingsHow does your stack fit Testlio?
How is the Testlio 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 Testlio stack?
Testlio scores 78 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How common is the Testlio stack in its industry?
Share of the 182 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Testlio
Questions about the Testlio tech stack
What programming languages does Testlio use?
The languages named in Testlio job postings are JavaScript (17%), Node JS (17%), TypeScript (17%), Python (8%), as a share of the 12 postings of the last 12 months.
Does Testlio use JAX?
Yes. JAX is named in 2 of 12 job postings (17%) and required in 2 of them.
What cloud and platforms does Testlio use?
The cloud and platforms named in Testlio job postings are AWS (3), Windows (2), Apache Kafka (2) (postings in brackets).
What skills do you need for a QA job at Testlio?
QA postings at Testlio most often require JAX (2), Windows (2), out of 5 postings in the last 12 months.
Is the Testlio tech stack changing?
Yes. AI Agents, Claude Code, Apache Kafka, Datadog first appeared in Testlio job postings in the last six months.
How modern is the Testlio tech stack?
Testlio scores 78 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How does Alion know the Testlio tech stack?
Alion reads every job posting Testlio publishes and tags the technologies each one names. The figures on this page count the 12 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, "Testlio tech stack: 39 technologies from 12 job postings", as of Oct 16, 2026. https://alion.io/company/testlio/technologies