Proton tech stack

Proton builds mostly with SQL, Python, TypeScript, JavaScript. Its stack also includes PostgreSQL, Vue.js, Figma, Looker. SQL is named in 3 of the 8 job postings Proton published in the last 12 months (38%). Counted by Alion from the job postings of Proton, updated Oct 1, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 1, 2026
Technologies in use
20
Postings analysed
8
Open now
7
Modernity
88 /100
New in 6 months
8

What programming languages does Proton use?

SQL is named in 38% of job postings at Proton, followed by Python (25%), TypeScript (25%), JavaScript (25%).

SQL 3 38% required in 100% · 3 open now · since May 2026
Python 2 25% required in 100% · 2 open now · since May 2026
TypeScript 2 25% required in 100% · 2 open now · since May 2026
JavaScript 2 25% optional · 2 open now · since May 2026

What frameworks and libraries does Proton use?

Vue.js is named in 25% of job postings at Proton.

Vue.js 2 25% required in 100% · 2 open now · since May 2026

What databases does Proton use?

PostgreSQL is named in 25% of job postings at Proton.

PostgreSQL 2 25% required in 100% · 2 open now · since May 2026

What cloud and platforms does Proton use?

Figma is named in 13% of job postings at Proton, followed by Looker (13%).

Figma 1 13% required in 100% · 1 open now · since Aug 2026
Looker 1 13% required in 100% · since Aug 2026

What developer tools does Proton use?

Claude Code is named in 63% of job postings at Proton, followed by Cursor (63%), OpenAI Codex (38%), Model Context Protocol (38%).

Claude Code 5 63% required in 80% · 5 open now · since May 2026
Cursor 5 63% required in 80% · 5 open now · since May 2026
OpenAI Codex 3 38% required in 100% · 3 open now · since May 2026
Model Context Protocol 3 38% required in 33% · 3 open now · since May 2026

What AI and ML technologies does Proton use?

LLM is named in 38% of job postings at Proton, followed by Claude (13%).

LLM 3 38% required in 100% · 3 open now · since May 2026
Claude 1 13% required in 100% · 1 open now · since May 2026

Which engineering practices does Proton ask for?

AI Agents is named in 88% of job postings at Proton, followed by Agentic Workflows (25%), Context Engineering (25%), ETL/ELT (13%).

AI Agents 7 88% required in 86% · 7 open now · since May 2026
Agentic Workflows 2 25% required in 100% · 2 open now · since May 2026
Context Engineering 2 25% optional · 2 open now · since May 2026
ETL/ELT 1 13% required in 100% · 1 open now · since Jul 2026
Multi-Agent Systems 1 13% required in 100% · 1 open now · since May 2026
Tool Use 1 13% required in 100% · 1 open now · since May 2026

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How is the Proton 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
Claude CodeMay 2026
CursorMay 2026
LLMMay 2026
OpenAI CodexMay 2026
SQLMay 2026
PostgreSQLMay 2026
PythonMay 2026
TypeScriptMay 2026

How modern is the Proton stack?

Cutting-edge AI adopter 88/100

Proton scores 88 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 Proton stack in its industry?

Share of the 636 companies in the same industries, whose stack Alion knows, that use each technology.

LLM19%
SQL32%
JavaScript27%
PostgreSQL19%
Python32%
TypeScript18%
Vue.js3%
Claude16%
Figma15%
Looker5%

Questions about the Proton tech stack

What programming languages does Proton use?

The languages named in Proton job postings are SQL (38%), Python (25%), TypeScript (25%), JavaScript (25%), as a share of the 8 postings of the last 12 months.

Does Proton use Vue.js?

Yes. Vue.js is named in 2 of 8 job postings (25%) and required in 2 of them.

What cloud and platforms does Proton use?

The cloud and platforms named in Proton job postings are Figma (1), Looker (1) (postings in brackets).

Is the Proton tech stack changing?

Yes. Claude Code, Cursor, LLM, OpenAI Codex first appeared in Proton job postings in the last six months.

How modern is the Proton tech stack?

Proton scores 88 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 Proton tech stack?

Alion reads every job posting Proton publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 1, 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, "Proton tech stack: 20 technologies from 8 job postings", as of Oct 1, 2026. https://alion.io/company/proton-ai/technologies

Licence: CC BY-SA 4.0JSON