Career Expo tech stack
Career Expo builds mostly with SQL, TypeScript, JavaScript, Java. Its stack also includes AWS, GitHub Actions, React.js, PostgreSQL. SQL is named in 2 of the 3 job postings Career Expo published in the last 12 months (67%). Counted by Alion from the job postings of Career Expo, updated Oct 21, 2026.
What programming languages does Career Expo use?
SQL is named in 67% of job postings at Career Expo, followed by TypeScript (67%), JavaScript (67%), Java (33%).
What frameworks and libraries does Career Expo use?
React.js is named in 67% of job postings at Career Expo, followed by Jest (33%), Next.js (33%), React Aria (33%).
React.js
2 67%
Jest
1 33%
Next.js
1 33%
React Aria
1 33%
Selenium
1 33%
Spring Boot
1 33%
Symfony
1 33%
Tailwind CSS
1 33%
Show all (9)
What databases does Career Expo use?
PostgreSQL is named in 33% of job postings at Career Expo.
PostgreSQL
1 33%
What cloud and platforms does Career Expo use?
AWS is named in 67% of job postings at Career Expo, followed by GitHub Actions (67%), DigitalOcean (33%), GitHub (33%).
AWS
2 67%
GitHub Actions
2 67%
DigitalOcean
1 33%
GitHub
1 33%
Kubernetes
1 33%
Sentry
1 33%
What developer tools does Career Expo use?
AWS CDK is named in 33% of job postings at Career Expo, followed by ArgoCD (33%), Claude Code (33%), Copilot (33%).
AWS CDK
1 33%
ArgoCD
1 33%
Claude Code
1 33%
Copilot
1 33%
Docker
1 33%
GraphQL
1 33%
Prisma
1 33%
Rest API
1 33%
Show all (9)
What AI and ML technologies does Career Expo use?
ChatGPT is named in 33% of job postings at Career Expo, followed by Claude (33%).
Which engineering practices does Career Expo ask for?
CI/CD is named in 33% of job postings at Career Expo.
CI/CD
1 33%
How does your stack fit Career Expo?
How modern is the Career Expo stack?
Career Expo scores 87 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: 2; legacy ones: 0.
How common is the Career Expo stack in its industry?
Share of the 382 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Career Expo
Questions about the Career Expo tech stack
What programming languages does Career Expo use?
The languages named in Career Expo job postings are SQL (67%), TypeScript (67%), JavaScript (67%), Java (33%), Node JS (33%), as a share of the 3 postings of the last 12 months.
Does Career Expo use React.js?
Yes. React.js is named in 2 of 3 job postings (67%) and required in 2 of them.
What cloud and platforms does Career Expo use?
The cloud and platforms named in Career Expo job postings are AWS (2), GitHub Actions (2), DigitalOcean (1) (postings in brackets).
Is the Career Expo tech stack changing?
No new technology has appeared in Career Expo job postings in the last six months.
How modern is the Career Expo tech stack?
Career Expo scores 87 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: 2; legacy ones: 0.
How does Alion know the Career Expo tech stack?
Alion reads every job posting Career Expo publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 21, 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, "Career Expo tech stack: 36 technologies from 3 job postings", as of Oct 21, 2026. https://alion.io/company/careerexpo-cz/technologies