CIEL HR tech stack
CIEL HR builds mostly with Java, C++. Its stack also includes AWS, AWS Lambda, Hibernate, JAX. Java is named in 1 of the 3 job postings CIEL HR published in the last 12 months (33%). Counted by Alion from the job postings of CIEL HR, updated Oct 16, 2026.
What programming languages does CIEL HR use?
Java is named in 33% of job postings at CIEL HR, followed by C++ (33%).
What frameworks and libraries does CIEL HR use?
Hibernate is named in 33% of job postings at CIEL HR, followed by JAX (33%), Spring Boot (33%), Spring Data JPA (33%).
What cloud and platforms does CIEL HR use?
AWS is named in 33% of job postings at CIEL HR, followed by AWS Lambda (33%), Amazon S3 (33%), Apache Kafka (33%).
What developer tools does CIEL HR use?
Rest API is named in 33% of job postings at CIEL HR, followed by Git (33%), MAVLink (33%).
Which engineering practices does CIEL HR ask for?
Dependency Injection is named in 33% of job postings at CIEL HR, followed by Edge AI (33%), Machine Learning (33%), Sensor Fusion (33%).
Dependency Injection
1 33%
How does your stack fit CIEL HR?
How modern is the CIEL HR stack?
CIEL HR scores 76 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 CIEL HR stack in its industry?
Share of the 2,392 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like CIEL HR
Questions about the CIEL HR tech stack
What programming languages does CIEL HR use?
The languages named in CIEL HR job postings are Java (33%), C++ (33%), as a share of the 3 postings of the last 12 months.
What cloud and platforms does CIEL HR use?
The cloud and platforms named in CIEL HR job postings are AWS (1), AWS Lambda (1), Amazon S3 (1) (postings in brackets).
Is the CIEL HR tech stack changing?
No new technology has appeared in CIEL HR job postings in the last six months.
How modern is the CIEL HR tech stack?
CIEL HR scores 76 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 CIEL HR tech stack?
Alion reads every job posting CIEL HR publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 16, 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, "CIEL HR tech stack: 20 technologies from 3 job postings", as of Oct 16, 2026. https://alion.io/company/ciel-hr/technologies