Checkly tech stack
Checkly builds mostly with Node JS, JavaScript, Go, TypeScript. Its stack also includes OpenTelemetry, Playwright, Crowdstrike, Fastly. Node JS is named in 4 of the 5 job postings Checkly published in the last 12 months (80%). Counted by Alion from the job postings of Checkly, updated Sep 29, 2026.
What programming languages does Checkly use?
Node JS is named in 80% of job postings at Checkly, followed by JavaScript (80%), Go (20%), TypeScript (20%).
What frameworks and libraries does Checkly use?
OpenTelemetry is named in 60% of job postings at Checkly, followed by Playwright (60%), Vue.js (20%).
What databases does Checkly use?
ClickHouse is named in 20% of job postings at Checkly, followed by PostgreSQL (20%).
ClickHouse
1 20%
PostgreSQL
1 20%
What cloud and platforms does Checkly use?
Crowdstrike is named in 40% of job postings at Checkly, followed by Fastly (40%), Vercel (40%), AWS (20%).
What developer tools does Checkly use?
Claude Code is named in 60% of job postings at Checkly, followed by OpenAI Codex (40%).
Claude Code
3 60%
What AI and ML technologies does Checkly use?
LLM is named in 60% of job postings at Checkly, followed by Mistral (60%), Claude (40%).
Which engineering practices does Checkly ask for?
AI Agents is named in 60% of job postings at Checkly, followed by Platform Engineering (20%).
AI Agents
3 60%
Platform Engineering
1 20%
How does your stack fit Checkly?
How modern is the Checkly stack?
Checkly scores 90 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 Checkly stack in its industry?
Share of the 73 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Checkly apart
Companies with a stack like Checkly
Questions about the Checkly tech stack
What programming languages does Checkly use?
The languages named in Checkly job postings are Node JS (80%), JavaScript (80%), Go (20%), TypeScript (20%), as a share of the 5 postings of the last 12 months.
Does Checkly use OpenTelemetry?
Yes. OpenTelemetry is named in 3 of 5 job postings (60%) and required in 3 of them.
What cloud and platforms does Checkly use?
The cloud and platforms named in Checkly job postings are Crowdstrike (2), Fastly (2), Vercel (2) (postings in brackets).
Is the Checkly tech stack changing?
No new technology has appeared in Checkly job postings in the last six months.
How modern is the Checkly tech stack?
Checkly scores 90 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 Checkly tech stack?
Alion reads every job posting Checkly publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Sep 29, 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, "Checkly tech stack: 20 technologies from 5 job postings", as of Sep 29, 2026. https://alion.io/company/checkly/technologies