Welcome tech stack
Welcome builds mostly with SQL, Python, SPSS. Its stack also includes PostgreSQL, Figma, Superset, ClickHouse. SQL is named in 6 of the 11 job postings Welcome published in the last 12 months (55%). Counted by Alion from the job postings of Welcome, updated Oct 19, 2026.
What programming languages does Welcome use?
SQL is named in 55% of job postings at Welcome, followed by Python (18%), SPSS (9%).
SPSS What frameworks and libraries does Welcome use?
NumPy is named in 18% of job postings at Welcome.
NumPy
2 18%
What databases does Welcome use?
PostgreSQL is named in 36% of job postings at Welcome, followed by ClickHouse (18%).
PostgreSQL
4 36%
ClickHouse
2 18%
What cloud and platforms does Welcome use?
Figma is named in 18% of job postings at Welcome, followed by Superset (18%).
Figma
2 18%
What developer tools does Welcome use?
Microsoft Excel is named in 27% of job postings at Welcome, followed by Adobe Photoshop (18%), Zabbix (18%).
Which engineering practices does Welcome ask for?
ETL/ELT is named in 18% of job postings at Welcome.
What does each Welcome team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
4 postingsHow does your stack fit Welcome?
How modern is the Welcome stack?
Welcome scores 69 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 Welcome stack in its industry?
Share of the 90 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Welcome
Questions about the Welcome tech stack
What programming languages does Welcome use?
The languages named in Welcome job postings are SQL (55%), Python (18%), SPSS (9%), as a share of the 11 postings of the last 12 months.
Does Welcome use NumPy?
Yes. NumPy is named in 2 of 11 job postings (18%) and required in 2 of them.
What cloud and platforms does Welcome use?
The cloud and platforms named in Welcome job postings are Figma (2), Superset (2) (postings in brackets).
What skills do you need for a Analytics job at Welcome?
Analytics postings at Welcome most often require SQL (4), ClickHouse (2), NumPy (2), PostgreSQL (2), out of 4 postings in the last 12 months.
Is the Welcome tech stack changing?
No new technology has appeared in Welcome job postings in the last six months.
How modern is the Welcome tech stack?
Welcome scores 69 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 Welcome tech stack?
Alion reads every job posting Welcome publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Oct 19, 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, "Welcome tech stack: 12 technologies from 11 job postings", as of Oct 19, 2026. https://alion.io/company/welcome-moscow/technologies