Concentric tech stack
Concentric builds mostly with Java, Python, C++, Objective-C. Its stack also includes Kubernetes, AWS, Cassandra, NumPy. Java is named in 6 of the 7 job postings Concentric published in the last 12 months (86%). Counted by Alion from the job postings of Concentric, updated Oct 25, 2026.
What programming languages does Concentric use?
Java is named in 86% of job postings at Concentric, followed by Python (29%), C++ (14%), Objective-C (14%).
What frameworks and libraries does Concentric use?
NumPy is named in 29% of job postings at Concentric, followed by PyTorch (29%), SciPy (29%), Scikit-learn (29%).
What databases does Concentric use?
Cassandra is named in 29% of job postings at Concentric.
Cassandra
2 29%
What cloud and platforms does Concentric use?
Kubernetes is named in 86% of job postings at Concentric, followed by AWS (57%), Apache Kafka (57%), Windows (14%).
Kubernetes
6 86%
AWS
4 57%
Apache Kafka
4 57%
Cloudflare
1 14%
Zscaler
1 14%
What developer tools does Concentric use?
Docker is named in 71% of job postings at Concentric, followed by Git (14%), Rest API (14%).
What AI and ML technologies does Concentric use?
LLM is named in 29% of job postings at Concentric.
LLM
2 29%
Which engineering practices does Concentric ask for?
Fine-tuning is named in 29% of job postings at Concentric, followed by Machine Learning (29%), RAG (29%), DNS (14%).
What does each Concentric team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 postingsHow does your stack fit Concentric?
How modern is the Concentric stack?
Concentric 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 common is the Concentric stack in its industry?
Share of the 5,937 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Concentric
Questions about the Concentric tech stack
What programming languages does Concentric use?
The languages named in Concentric job postings are Java (86%), Python (29%), C++ (14%), Objective-C (14%), SQL (14%), as a share of the 7 postings of the last 12 months.
Does Concentric use NumPy?
Yes. NumPy is named in 2 of 7 job postings (29%) and required in 1 of them.
What cloud and platforms does Concentric use?
The cloud and platforms named in Concentric job postings are Kubernetes (6), AWS (4), Apache Kafka (4) (postings in brackets).
What skills do you need for a Backend job at Concentric?
Backend postings at Concentric most often require AWS (4), Apache Kafka (4), Docker (4), Java (4), out of 5 postings in the last 12 months.
Is the Concentric tech stack changing?
No new technology has appeared in Concentric job postings in the last six months.
How modern is the Concentric tech stack?
Concentric 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 Concentric tech stack?
Alion reads every job posting Concentric 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 25, 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, "Concentric tech stack: 30 technologies from 7 job postings", as of Oct 25, 2026. https://alion.io/company/concentric/technologies