Welyo tech stack
Welyo builds mostly with Python, C#, JavaScript, PHP. Its stack also includes .NET, Apache Kafka, PostgreSQL, Redis. Python is named in 2 of the 3 job postings Welyo published in the last 12 months (67%). Counted by Alion from the job postings of Welyo, updated Oct 28, 2026.
What programming languages does Welyo use?
Python is named in 67% of job postings at Welyo, followed by C# (33%), JavaScript (33%), PHP (33%).
What databases does Welyo use?
PostgreSQL is named in 33% of job postings at Welyo, followed by Redis (33%).
PostgreSQL
1 33%
Redis
1 33%
What cloud and platforms does Welyo use?
.NET is named in 33% of job postings at Welyo, followed by Apache Kafka (33%), Docker Swarm (33%), GitHub (33%).
.NET
1 33%
Apache Kafka
1 33%
Docker Swarm
1 33%
GitHub
1 33%
GitHub Actions
1 33%
Kubernetes
1 33%
Power BI
1 33%
What developer tools does Welyo use?
Jenkins is named in 67% of job postings at Welyo, followed by Ansible (33%), Docker (33%), Prometheus (33%).
Which engineering practices does Welyo ask for?
CI/CD is named in 67% of job postings at Welyo, followed by ETL/ELT (33%), RAG (33%).
How does your stack fit Welyo?
How modern is the Welyo stack?
Welyo 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 Welyo stack in its industry?
Share of the 379 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Welyo
Questions about the Welyo tech stack
What programming languages does Welyo use?
The languages named in Welyo job postings are Python (67%), C# (33%), JavaScript (33%), PHP (33%), SQL (33%), as a share of the 3 postings of the last 12 months.
What cloud and platforms does Welyo use?
The cloud and platforms named in Welyo job postings are .NET (1), Apache Kafka (1), Docker Swarm (1) (postings in brackets).
Is the Welyo tech stack changing?
No new technology has appeared in Welyo job postings in the last six months.
How modern is the Welyo tech stack?
Welyo 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 Welyo tech stack?
Alion reads every job posting Welyo 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 28, 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, "Welyo tech stack: 26 technologies from 3 job postings", as of Oct 28, 2026. https://alion.io/company/welyo-2/technologies