Alt tech stack
Alt builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes AWS, PostgreSQL, React.js, Figma. Python is named in 6 of the 8 job postings Alt published in the last 12 months (75%). Counted by Alion from the job postings of Alt, updated Oct 1, 2026.
What programming languages does Alt use?
Python is named in 75% of job postings at Alt, followed by SQL (50%), JavaScript (38%), TypeScript (38%).
What frameworks and libraries does Alt use?
React.js is named in 38% of job postings at Alt, followed by Dagster (13%), Pandas (13%), Polars (13%).
React.js
3 38%
Dagster
1 13%
Pandas
1 13%
Polars
1 13%
React Native
1 13%
Scikit-learn
1 13%
Beautiful Soup
1 13%
Selenium
1 13%
What cloud and platforms does Alt use?
AWS is named in 63% of job postings at Alt, followed by Figma (13%), MLFlow (13%), Spark (13%).
Which engineering practices does Alt ask for?
Machine Learning is named in 25% of job postings at Alt, followed by Recommender Systems (25%), A/B Testing (13%), AI Agents (13%).
AI Agents
1 13%
CI/CD
1 13%
Computer Vision
1 13%
Show all (9)
What does each Alt team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit Alt?
How is the Alt 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 Alt stack?
Alt scores 82 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: 1; legacy ones: 0.
Companies with a stack like Alt
Questions about the Alt tech stack
What programming languages does Alt use?
The languages named in Alt job postings are Python (75%), SQL (50%), JavaScript (38%), TypeScript (38%), as a share of the 8 postings of the last 12 months.
Does Alt use React.js?
Yes. React.js is named in 3 of 8 job postings (38%) and required in 3 of them.
What cloud and platforms does Alt use?
The cloud and platforms named in Alt job postings are AWS (5), Figma (1), MLFlow (1) (postings in brackets).
What skills do you need for a Backend job at Alt?
Backend postings at Alt most often require AWS (3), JavaScript (3), PostgreSQL (3), Python (3), out of 3 postings in the last 12 months.
Is the Alt tech stack changing?
No new technology has appeared in Alt job postings in the last six months.
How modern is the Alt tech stack?
Alt scores 82 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: 1; legacy ones: 0.
How does Alion know the Alt tech stack?
Alion reads every job posting Alt 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, "Alt tech stack: 28 technologies from 8 job postings", as of Oct 1, 2026. https://alion.io/company/alt/technologies