Sign3 tech stack
Sign3 builds mostly with Python, SQL, Java. Its stack also includes PyTorch, Scikit-learn, AWS, GCP. Python is named in 3 of the 6 job postings Sign3 published in the last 12 months (50%). Counted by Alion from the job postings of Sign3, updated Oct 24, 2026.
What programming languages does Sign3 use?
Python is named in 50% of job postings at Sign3, followed by SQL (33%), Java (17%).
What frameworks and libraries does Sign3 use?
PyTorch is named in 33% of job postings at Sign3, followed by Scikit-learn (33%), TensorFlow (33%), XGBoost (33%).
What cloud and platforms does Sign3 use?
AWS is named in 17% of job postings at Sign3, followed by GCP (17%).
What developer tools does Sign3 use?
Rest API is named in 17% of job postings at Sign3.
Rest API
1 17%
Which engineering practices does Sign3 ask for?
Machine Learning is named in 83% of job postings at Sign3, followed by Computer Vision (50%), NLP (50%).
What does each Sign3 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
5 postingsHow does your stack fit Sign3?
How modern is the Sign3 stack?
Sign3 scores 80 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 Sign3 stack in its industry?
Share of the 353 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Sign3
Questions about the Sign3 tech stack
What programming languages does Sign3 use?
The languages named in Sign3 job postings are Python (50%), SQL (33%), Java (17%), as a share of the 6 postings of the last 12 months.
Does Sign3 use PyTorch?
Yes. PyTorch is named in 2 of 6 job postings (33%) and required in 2 of them.
What cloud and platforms does Sign3 use?
The cloud and platforms named in Sign3 job postings are AWS (1), GCP (1) (postings in brackets).
What skills do you need for a Data Science job at Sign3?
Data Science postings at Sign3 most often require PyTorch (2), Python (2), SQL (2), Scikit-learn (2), out of 5 postings in the last 12 months.
Is the Sign3 tech stack changing?
No new technology has appeared in Sign3 job postings in the last six months.
How modern is the Sign3 tech stack?
Sign3 scores 80 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 Sign3 tech stack?
Alion reads every job posting Sign3 publishes and tags the technologies each one names. The figures on this page count the 6 postings of the last 12 months and were updated on Oct 24, 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, "Sign3 tech stack: 13 technologies from 6 job postings", as of Oct 24, 2026. https://alion.io/company/sign3/technologies