Quantum tech stack
Quantum builds mostly with Java, C++, Python, SQL. Its stack also includes Linux, MySQL, PostgreSQL, Ubuntu. Linux is named in 4 of the 5 job postings Quantum published in the last 12 months (80%). Counted by Alion from the job postings of Quantum, updated Nov 6, 2026.
What programming languages does Quantum use?
Java is named in 60% of job postings at Quantum, followed by C++ (40%), Python (40%), SQL (40%).
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What frameworks and libraries does Quantum use?
Spring Boot is named in 40% of job postings at Quantum, followed by Hibernate (40%), Spring Data JPA (40%), Spring Security (40%).
Spring Boot
2 40%
Hibernate
2 40%
Spring Data JPA
2 40%
Spring Security
2 40%
JUnit
2 40%
Mockito
2 40%
Spring Cloud
2 40%
What databases does Quantum use?
MySQL is named in 60% of job postings at Quantum, followed by PostgreSQL (60%), Redis (60%).
What cloud and platforms does Quantum use?
Linux is named in 80% of job postings at Quantum, followed by Ubuntu (40%), Kubernetes (40%), Apache Kafka (40%).
Ubuntu
2 40%
Kubernetes
2 40%
Apache Kafka
2 40%
Azure
2 40%
RabbitMQ
2 40%
Debian
1 20%
OpenShift
1 20%
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What developer tools does Quantum use?
Docker is named in 80% of job postings at Quantum, followed by Claude Code (40%), Rest API (40%), Git (40%).
Docker
4 80%
Claude Code
2 40%
Rest API
2 40%
Git
2 40%
Gradle
2 40%
Maven
2 40%
Copilot
1 20%
Cursor
1 20%
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Which engineering practices does Quantum ask for?
CI/CD is named in 80% of job postings at Quantum, followed by AI Agents (20%), Self-Healing (20%), BGP (20%).
What does each Quantum team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
4 postingsHow does your stack fit Quantum?
How is the Quantum 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 Quantum stack?
Quantum scores 71 out of 100 (Modern). 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 Quantum stack in its industry?
Share of the 116 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Quantum
NEC
49 shared technologies
Clearwater Analytics
47 shared technologies
X5 Group
49 shared technologies
SberTech
48 shared technologies
Deutsche Telekom IT Solutions Slovakia
51 shared technologies
Markon Solutions
46 shared technologies
Nightwing
51 shared technologies
Ubiquiti
47 shared technologies
Questions about the Quantum tech stack
What programming languages does Quantum use?
The languages named in Quantum job postings are Java (60%), C++ (40%), Python (40%), SQL (40%), Kotlin (40%), as a share of the 5 postings of the last 12 months.
Does Quantum use Spring Boot?
Yes. Spring Boot is named in 2 of 5 job postings (40%) and required in 2 of them.
What cloud and platforms does Quantum use?
The cloud and platforms named in Quantum job postings are Linux (4), Ubuntu (2), Kubernetes (2) (postings in brackets).
What skills do you need for a Backend job at Quantum?
Backend postings at Quantum most often require Java (3), C++ (2), Claude Code (2), Python (2), out of 4 postings in the last 12 months.
Is the Quantum tech stack changing?
Yes. Spring Boot, Hibernate, Rest API, SQL first appeared in Quantum job postings in the last six months.
How modern is the Quantum tech stack?
Quantum scores 71 out of 100 (Modern). 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 Quantum tech stack?
Alion reads every job posting Quantum publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Nov 6, 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, "Quantum tech stack: 57 technologies from 5 job postings", as of Nov 6, 2026. https://alion.io/company/quantum/technologies