Web Summit tech stack

Web Summit builds mostly with JavaScript, Ruby, Kotlin. Its stack also includes Datadog, Replit, PostgreSQL, React Native. Datadog is named in 5 of the 9 job postings Web Summit published in the last 12 months (56%). Counted by Alion from the job postings of Web Summit, updated Sep 26, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 26, 2026
Technologies in use
15
Postings analysed
9
Open now
9
Modernity
74 /100
New in 6 months
8

What programming languages does Web Summit use?

JavaScript is named in 44% of job postings at Web Summit, followed by Ruby (44%), Kotlin (22%).

JavaScript 4 44% required in 100% · 4 open now · since Sep 2026
Ruby 4 44% required in 50% · 4 open now · since Sep 2026
Kotlin 2 22% required in 100% · 2 open now · since Sep 2026

What frameworks and libraries does Web Summit use?

React Native is named in 22% of job postings at Web Summit, followed by Ruby on Rails (22%), Sidekiq (22%), React.js (22%).

React Native 2 22% required in 100% · 2 open now · since Sep 2026
Ruby on Rails 2 22% required in 100% · 2 open now · since Sep 2026
Sidekiq 2 22% required in 100% · 2 open now · since Sep 2026
React.js 2 22% optional · 2 open now · since Sep 2026

What databases does Web Summit use?

PostgreSQL is named in 44% of job postings at Web Summit.

PostgreSQL 4 44% required in 100% · 4 open now · since Sep 2026

What cloud and platforms does Web Summit use?

Datadog is named in 56% of job postings at Web Summit, followed by Replit (56%).

Datadog 5 56% required in 100% · 5 open now · since Mar 2026
Replit 5 56% required in 100% · 5 open now · since Mar 2026

What developer tools does Web Summit use?

CircleCI is named in 22% of job postings at Web Summit, followed by Claude Code (22%), Cursor (22%), Maestro (22%).

CircleCI 2 22% required in 100% · 2 open now · since Sep 2026
Claude Code 2 22% required in 100% · 2 open now · since Sep 2026
Cursor 2 22% required in 100% · 2 open now · since Sep 2026
Maestro 2 22% required in 100% · 2 open now · since Sep 2026

Which engineering practices does Web Summit ask for?

CI/CD is named in 22% of job postings at Web Summit.

CI/CD 2 22% required in 100% · 2 open now · since Sep 2026

What does each Web Summit team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Sales

5 postings
Datadog5
Replit5

Industrial Engineering

4 postings
JavaScript4
PostgreSQL4
CircleCI2
Claude Code2
Cursor2
Kotlin2

How does your stack fit Web Summit?

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How is the Web Summit 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.

First appeared
CI/CDSep 2026
CircleCISep 2026
Claude CodeSep 2026
CursorSep 2026
KotlinSep 2026
MaestroSep 2026
React NativeSep 2026
SidekiqSep 2026

How modern is the Web Summit stack?

Modern 74/100

Web Summit scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.

How common is the Web Summit stack in its industry?

Share of the 442 companies in the same industries, whose stack Alion knows, that use each technology.

Datadog3%
Replit0%
JavaScript33%
PostgreSQL15%
Ruby4%
Kotlin3%
React Native2%
React.js15%
Ruby on Rails2%
Sidekiq0%

What sets Web Summit apart

Datadog3%
Replit0%
Ruby4%

Questions about the Web Summit tech stack

What programming languages does Web Summit use?

The languages named in Web Summit job postings are JavaScript (44%), Ruby (44%), Kotlin (22%), as a share of the 9 postings of the last 12 months.

Does Web Summit use React Native?

Yes. React Native is named in 2 of 9 job postings (22%) and required in 2 of them.

What cloud and platforms does Web Summit use?

The cloud and platforms named in Web Summit job postings are Datadog (5), Replit (5) (postings in brackets).

What skills do you need for a Sales job at Web Summit?

Sales postings at Web Summit most often require Datadog (5), Replit (5), out of 5 postings in the last 12 months.

Is the Web Summit tech stack changing?

Yes. CI/CD, CircleCI, Claude Code, Cursor first appeared in Web Summit job postings in the last six months.

How modern is the Web Summit tech stack?

Web Summit scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.

How does Alion know the Web Summit tech stack?

Alion reads every job posting Web Summit publishes and tags the technologies each one names. The figures on this page count the 9 postings of the last 12 months and were updated on Sep 26, 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, "Web Summit tech stack: 15 technologies from 9 job postings", as of Sep 26, 2026. https://alion.io/company/web-summit/technologies

Licence: CC BY-SA 4.0JSON