Jetlyn tech stack
Jetlyn builds mostly with SQL, Python, Java, 1C. Its stack also includes PostgreSQL, Kubernetes, Apache Kafka, Redis. SQL is named in 18 of the 34 job postings Jetlyn published in the last 12 months (53%). Counted by Alion from the job postings of Jetlyn, updated Nov 11, 2026.
What programming languages does Jetlyn use?
SQL is named in 53% of job postings at Jetlyn, followed by Python (50%), Java (24%), 1C (15%).
1C 
C# 
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What frameworks and libraries does Jetlyn use?
NumPy is named in 9% of job postings at Jetlyn, followed by PyTorch (9%), Scikit-learn (9%), Hadoop (9%).
NumPy
3 9%
PyTorch
3 9%
Scikit-learn
3 9%
Hadoop
3 9%
Transformers
3 9%
Asyncio
2 6%
CatBoost
2 6%
LightGBM
2 6%
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What databases does Jetlyn use?
PostgreSQL is named in 29% of job postings at Jetlyn, followed by Redis (18%), SAP BW (12%), ClickHouse (9%).
PostgreSQL
10 29%
Redis
6 18%
SAP BW
4 12%
ClickHouse
3 9%
Greenplum
3 9%
MS SQL
2 6%
OpenSearch
2 6%
Apache Iceberg
1 3%
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What cloud and platforms does Jetlyn use?
Kubernetes is named in 24% of job postings at Jetlyn, followed by Apache Kafka (21%), Grafana (21%), Airflow (15%).
Kubernetes
8 24%
Apache Kafka
7 21%
Grafana
7 21%
Airflow
5 15%
Power BI
3 9%
Spark
3 9%
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What developer tools does Jetlyn use?
Git is named in 29% of job postings at Jetlyn, followed by Prometheus (15%), Docker (12%), Rest API (9%).
Git
10 29%
Prometheus
5 15%
Docker
4 12%
Rest API
3 9%
ONNX
2 6%
Swagger
2 6%
TensorRT
2 6%
ArgoCD
2 6%
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What AI and ML technologies does Jetlyn use?
LLM is named in 12% of job postings at Jetlyn, followed by LoRA (9%), PEFT (9%), BERT (3%).
Which engineering practices does Jetlyn ask for?
CI/CD is named in 24% of job postings at Jetlyn, followed by AI Agents (12%), ETL/ELT (12%), Machine Learning (12%).
CI/CD
8 24%
AI Agents
4 12%
Fine-tuning
3 9%
NLP
3 9%
Function Calling
2 6%
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What other technologies does Jetlyn use?
Kotlin Coroutines is named in 3% of job postings at Jetlyn.
Kotlin Coroutines
1 3%
What does each Jetlyn team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
9 postingsEnterprise Apps
8 postingsAnalytics
4 postingsDevOps
3 postingsData Science
3 postingsHow does your stack fit Jetlyn?
How is the Jetlyn 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 Jetlyn stack?
Jetlyn scores 83 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: 7; legacy ones: 0.
How common is the Jetlyn stack in its industry?
Share of the 6,145 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Jetlyn apart
Companies with a stack like Jetlyn
Questions about the Jetlyn tech stack
What programming languages does Jetlyn use?
The languages named in Jetlyn job postings are SQL (53%), Python (50%), Java (24%), 1C (15%), ABAP (12%), as a share of the 34 postings of the last 12 months.
Does Jetlyn use NumPy?
Yes. NumPy is named in 3 of 34 job postings (9%) and required in 3 of them.
What cloud and platforms does Jetlyn use?
The cloud and platforms named in Jetlyn job postings are Kubernetes (8), Apache Kafka (7), Grafana (7) (postings in brackets).
What skills do you need for a Backend job at Jetlyn?
Backend postings at Jetlyn most often require Python (4), SQL (4), Apache Kafka (3), Go (3), out of 9 postings in the last 12 months.
Is the Jetlyn tech stack changing?
Yes. Rest API, ONNX, TensorRT first appeared in Jetlyn job postings in the last six months.
How modern is the Jetlyn tech stack?
Jetlyn scores 83 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: 7; legacy ones: 0.
How does Alion know the Jetlyn tech stack?
Alion reads every job posting Jetlyn publishes and tags the technologies each one names. The figures on this page count the 34 postings of the last 12 months and were updated on Nov 11, 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, "Jetlyn tech stack: 149 technologies from 34 job postings", as of Nov 11, 2026. https://alion.io/company/jetlyn/technologies