Underdog tech stack
Underdog builds mostly with SQL, Python, Ruby, C++. Its stack also includes GitHub, Datadog, React Native, React.js. ChatGPT is named in 17 of the 17 job postings Underdog published in the last 12 months (100%). Counted by Alion from the job postings of Underdog, updated Oct 1, 2026.
What programming languages does Underdog use?
SQL is named in 12% of job postings at Underdog, followed by Python (12%), Ruby (6%), C++ (6%).
What frameworks and libraries does Underdog use?
React Native is named in 6% of job postings at Underdog, followed by React.js (6%).
React Native
1 6%
React.js
1 6%
What cloud and platforms does Underdog use?
GitHub is named in 6% of job postings at Underdog, followed by Datadog (6%).
What developer tools does Underdog use?
dbt is named in 12% of job postings at Underdog, followed by Adobe Photoshop (6%), Git (6%).
What AI and ML technologies does Underdog use?
ChatGPT is named in 100% of job postings at Underdog, followed by Claude (100%), LLM (100%).
Which engineering practices does Underdog ask for?
LLM Guardrails is named in 6% of job postings at Underdog, followed by CI/CD (6%), SLI/SLO/SLA (6%).
How does your stack fit Underdog?
How modern is the Underdog stack?
Underdog scores 93 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: 3; legacy ones: 0.
How common is the Underdog stack in its industry?
Share of the 47 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Underdog apart
Companies with a stack like Underdog
Questions about the Underdog tech stack
What programming languages does Underdog use?
The languages named in Underdog job postings are SQL (12%), Python (12%), Ruby (6%), C++ (6%), JavaScript (6%), as a share of the 17 postings of the last 12 months.
What cloud and platforms does Underdog use?
The cloud and platforms named in Underdog job postings are GitHub (1), Datadog (1) (postings in brackets).
Is the Underdog tech stack changing?
No new technology has appeared in Underdog job postings in the last six months.
How modern is the Underdog tech stack?
Underdog scores 93 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: 3; legacy ones: 0.
How does Alion know the Underdog tech stack?
Alion reads every job posting Underdog publishes and tags the technologies each one names. The figures on this page count the 17 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, "Underdog tech stack: 19 technologies from 17 job postings", as of Oct 1, 2026. https://alion.io/company/underdog-2/technologies