Cobalt tech stack
Cobalt builds mostly with JavaScript, C, Node JS, Python. Its stack also includes AWS, GCP, React.js, Ruby on Rails. JavaScript is named in 2 of the 7 job postings Cobalt published in the last 12 months (29%). Counted by Alion from the job postings of Cobalt, updated Oct 13, 2026.
What programming languages does Cobalt use?
JavaScript is named in 29% of job postings at Cobalt, followed by C (14%), Node JS (14%), Python (14%).
What frameworks and libraries does Cobalt use?
React.js is named in 14% of job postings at Cobalt, followed by Ruby on Rails (14%), SDL (14%).
What cloud and platforms does Cobalt use?
AWS is named in 14% of job postings at Cobalt, followed by GCP (14%), Kubernetes (14%).
What developer tools does Cobalt use?
Claude Code is named in 14% of job postings at Cobalt, followed by Copilot (14%), Model Context Protocol (14%).
Which engineering practices does Cobalt ask for?
Wi-Fi is named in 86% of job postings at Cobalt, followed by AI Agents (14%).
AI Agents
1 14%
How does your stack fit Cobalt?
How is the Cobalt 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.
How modern is the Cobalt stack?
Cobalt scores 79 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: 0; legacy ones: 0.
How common is the Cobalt stack in its industry?
Share of the 809 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Cobalt
Questions about the Cobalt tech stack
What programming languages does Cobalt use?
The languages named in Cobalt job postings are JavaScript (29%), C (14%), Node JS (14%), Python (14%), Ruby (14%), as a share of the 7 postings of the last 12 months.
What cloud and platforms does Cobalt use?
The cloud and platforms named in Cobalt job postings are AWS (1), GCP (1), Kubernetes (1) (postings in brackets).
Is the Cobalt tech stack changing?
Yes. JavaScript first appeared in Cobalt job postings in the last six months.
How modern is the Cobalt tech stack?
Cobalt scores 79 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: 0; legacy ones: 0.
How does Alion know the Cobalt tech stack?
Alion reads every job posting Cobalt publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Oct 13, 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, "Cobalt tech stack: 18 technologies from 7 job postings", as of Oct 13, 2026. https://alion.io/company/cobalt-2/technologies