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Tech stack

Technologies named in job postings at CNA Idiomas over the last 12 months, by layer, with the share of postings for each.
Technologies in use
8
Postings analysed
1
Stack modernity
74/100
Languages
TypeScript
JavaScript
Frameworks & libraries
Mantine
React.js
Databases
PostgreSQL
Developer tools
Claude Code
GraphQL
Practices & domains
Human-in-the-Loop
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Growth

Hiring Momentum
28/100
Slowing
Open positions
29
0 opened / 0 closed in 30 days
ATS activity
Every ~5 hours
Today
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Early Careers
57% ▲
Education
32% ▼
Backend
4% ▼
Administrative
4% ▲
Sales
4% ▲
Actively hiring for Early Careers (+13 in 30 days)

Offices

Where the company hires and what each office is for
Cities
12
Hiring now
12
Countries
1
Busiest office
Rio de Janeiro
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Headquarters Builds here Office with open vacancies Tap a pin for the office
Rio de Janeiro Brazil
Regional office
8 open roles 8 posted in 90 days
hires for Early Careers, Education
seen since Sep 2026 job postings
Luziânia Brazil
Regional office
4 open roles 4 posted in 90 days
hires for Early Careers
seen since Sep 2026 job postings
São Paulo Brazil
Corporate office
3 open roles 2 posted in 90 days 33% engineering
hires for Education, Backend
seen since Jul 2026 job postings
Campo Grande Brazil
Corporate office
3 open roles 3 posted in 90 days
hires for Administrative, Sales, Education
seen since Oct 2026 job postings
Duque de Caxias Brazil
2 open roles 2 posted in 90 days
hires for Early Careers
seen since Oct 2026 job postings
Mesquita Brazil
2 open roles 2 posted in 90 days
hires for Early Careers
seen since Oct 2026 job postings
Fortaleza Brazil
1 open roles 1 posted in 90 days
hires for Education
seen since Sep 2026 job postings
Campinas Brazil
1 open roles 1 posted in 90 days
hires for Education
seen since Oct 2026 job postings
Castanhal Brazil
1 open roles 1 posted in 90 days
hires for Education
seen since Sep 2026 job postings
São João de Meriti Brazil
1 open roles 1 posted in 90 days
hires for Early Careers
seen since Oct 2026 job postings
São Leopoldo Brazil
1 open roles 1 posted in 90 days
hires for Education
seen since Oct 2026 job postings
Taboão da Serra Brazil
1 open roles 1 posted in 90 days
hires for Education
seen since Sep 2026 job postings

Jobs

Hybrid · Full-Time · São Paulo
JavaScript
TypeScript
PostgreSQL
AI/ML
Claude Code
Human-in-the-Loop
Frontend
GraphQL
React.js
Mantine
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