Certa.ai tech stack
Certa.ai builds mostly with JavaScript, Python, TypeScript. Its stack also includes AWS, Figma, Playwright, React.js. JavaScript is named in 5 of the 10 job postings Certa.ai published in the last 12 months (50%). Counted by Alion from the job postings of Certa.ai, updated Nov 12, 2026.
What programming languages does Certa.ai use?
JavaScript is named in 50% of job postings at Certa.ai, followed by Python (40%), TypeScript (40%).
What frameworks and libraries does Certa.ai use?
Playwright is named in 20% of job postings at Certa.ai, followed by React.js (20%), Selenium (10%), LangChain (10%).
What cloud and platforms does Certa.ai use?
AWS is named in 20% of job postings at Certa.ai, followed by Figma (20%), Amazon CloudWatch (10%), Amazon EC2 (10%).
What developer tools does Certa.ai use?
Rest API is named in 50% of job postings at Certa.ai, followed by Cursor (20%), Claude Code (10%), Copilot (10%).
Rest API
5 50%
Cursor
2 20%
Claude Code
1 10%
Copilot
1 10%
Docker
1 10%
Git
1 10%
GraphQL
1 10%
Model Context Protocol
1 10%
Show all (11)
What AI and ML technologies does Certa.ai use?
LLM is named in 40% of job postings at Certa.ai, followed by ChatGPT (10%), Claude (10%).
Which engineering practices does Certa.ai ask for?
AI Agents is named in 20% of job postings at Certa.ai, followed by Agentic Workflows (10%), CI/CD (10%), Human-in-the-Loop (10%).
AI Agents
2 20%
CI/CD
1 10%
Multimodal AI
1 10%
What does each Certa.ai team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Solutions
4 postingsHow does your stack fit Certa.ai?
How is the Certa.ai 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 Certa.ai stack?
Certa.ai scores 94 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: 3; legacy ones: 0.
How common is the Certa.ai stack in its industry?
Share of the 3,642 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Certa.ai
Questions about the Certa.ai tech stack
What programming languages does Certa.ai use?
The languages named in Certa.ai job postings are JavaScript (50%), Python (40%), TypeScript (40%), as a share of the 10 postings of the last 12 months.
Does Certa.ai use Playwright?
Yes. Playwright is named in 2 of 10 job postings (20%) and required in 2 of them.
What cloud and platforms does Certa.ai use?
The cloud and platforms named in Certa.ai job postings are AWS (2), Figma (2), Amazon CloudWatch (1) (postings in brackets).
What skills do you need for a Solutions job at Certa.ai?
Solutions postings at Certa.ai most often require Rest API (4), JavaScript (2), LLM (2), Python (2), out of 4 postings in the last 12 months.
Is the Certa.ai tech stack changing?
Yes. React.js first appeared in Certa.ai job postings in the last six months.
How modern is the Certa.ai tech stack?
Certa.ai scores 94 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: 3; legacy ones: 0.
How does Alion know the Certa.ai tech stack?
Alion reads every job posting Certa.ai publishes and tags the technologies each one names. The figures on this page count the 10 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, "Certa.ai tech stack: 33 technologies from 10 job postings", as of Nov 12, 2026. https://alion.io/company/certa-ai/technologies