BigBear.ai tech stack
BigBear.ai builds mostly with Python, SQL, JavaScript, C++. Its stack also includes AWS, Linux, PostgreSQL, React.js. Python is named in 40 of the 74 job postings BigBear.ai published in the last 12 months (54%). Counted by Alion from the job postings of BigBear.ai, updated Oct 27, 2026.
What programming languages does BigBear.ai use?
Python is named in 54% of job postings at BigBear.ai, followed by SQL (24%), JavaScript (24%), C++ (20%).
Python
40 54%
SQL
18 24%
JavaScript
18 24%
C++
15 20%
Java
14 19%
TypeScript
12 16%
C#
6 8%
Objective-C
4 5%
Show all (15)
What frameworks and libraries does BigBear.ai use?
React.js is named in 9% of job postings at BigBear.ai, followed by Vue.js (9%), Angular (8%), Scikit-learn (5%).
React.js
7 9%
Vue.js
7 9%
Angular
6 8%
Scikit-learn
4 5%
Spring Boot
4 5%
LangChain
3 4%
PyTorch
3 4%
TensorFlow
3 4%
Show all (33)
What databases does BigBear.ai use?
PostgreSQL is named in 14% of job postings at BigBear.ai, followed by Snowflake (4%), Redis (4%), ElasticSearch (4%).
PostgreSQL
10 14%
Snowflake
3 4%
Redis
3 4%
ElasticSearch
3 4%
Amazon Redshift
2 3%
MySQL
2 3%
Oracle
2 3%
Amazon Aurora
1 1%
Show all (14)
What cloud and platforms does BigBear.ai use?
AWS is named in 38% of job postings at BigBear.ai, followed by Linux (20%), Kubernetes (20%), Azure (15%).
Show all (42)
And 2 more, each named in fewer postings.
What developer tools does BigBear.ai use?
Docker is named in 22% of job postings at BigBear.ai, followed by Git (18%), IDA Pro (9%), Rest API (9%).
Docker
16 22%
Git
13 18%
IDA Pro
7 9%
Rest API
7 9%
Ansible
6 8%
Terraform
5 7%
Claude Code
4 5%
Show all (34)
What AI and ML technologies does BigBear.ai use?
LLM is named in 22% of job postings at BigBear.ai, followed by Claude (4%), Gemini (3%).
Which engineering practices does BigBear.ai ask for?
CI/CD is named in 41% of job postings at BigBear.ai, followed by AI Agents (15%), RAG (14%), Machine Learning (12%).
CI/CD
30 41%
AI Agents
11 15%
RAG
10 14%
Platform Engineering
4 5%
Show all (29)
What does each BigBear.ai team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
21 postingsData Science
12 postingsDevOps
7 postingsAI/ML
4 postingsHardware
4 postingsHow does your stack fit BigBear.ai?
How modern is the BigBear.ai stack?
BigBear.ai scores 84 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 BigBear.ai stack in its industry?
Share of the 694 companies in the same industries, whose stack Alion knows, that use each technology.
What sets BigBear.ai apart
Companies with a stack like BigBear.ai
Questions about the BigBear.ai tech stack
What programming languages does BigBear.ai use?
The languages named in BigBear.ai job postings are Python (54%), SQL (24%), JavaScript (24%), C++ (20%), Java (19%), as a share of the 74 postings of the last 12 months.
Does BigBear.ai use React.js?
Yes. React.js is named in 7 of 74 job postings (9%) and required in 7 of them.
What cloud and platforms does BigBear.ai use?
The cloud and platforms named in BigBear.ai job postings are AWS (28), Linux (15), Kubernetes (15) (postings in brackets).
What skills do you need for a Backend job at BigBear.ai?
Backend postings at BigBear.ai most often require Python (11), Java (8), JavaScript (8), Linux (7), out of 21 postings in the last 12 months.
Is the BigBear.ai tech stack changing?
No new technology has appeared in BigBear.ai job postings in the last six months.
How modern is the BigBear.ai tech stack?
BigBear.ai scores 84 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 BigBear.ai tech stack?
Alion reads every job posting BigBear.ai publishes and tags the technologies each one names. The figures on this page count the 74 postings of the last 12 months and were updated on Oct 27, 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, "BigBear.ai tech stack: 170 technologies from 74 job postings", as of Oct 27, 2026. https://alion.io/company/bigbear-ai-holdings-inc/technologies