What technologies does JSystems Sp. z o.o. use?

JSystems Sp. z o.o. uses Sendgrid, Gmail, Google Apps, Google Tag Manager, Nginx. View their full technology stack — including all 18 detected tools — on StackWho.

Where is JSystems Sp. z o.o. located?

JSystems Sp. z o.o. is based in Warszawa, woj. mazowieckie, Poland.

JSystems Sp. z o.o.

Q: Who is the Programista Python, PostgreSQL, Oracle. CEO @ JSystems Sp. z o.o. of JSystems Sp. z o.o.?

Andrzej Klusiewicz is the Programista Python, PostgreSQL, Oracle. CEO @ JSystems Sp. z o.o. at JSystems Sp. z o.o.. Get verified contact information on StackWho.

jsystems.pl

education management

jsystems.pl

Warszawa, woj. mazowieckie, Poland

11-50 employees

LinkedIn Profile

About JSystems Sp. z o.o.

python, sql server, mogodb, postman, net, c, javascript, bpmn, linux, uml, java, oracle, big data, db2, devops, zabbix, postgresql, docker, kubernetes, jee

JSystems Sp. z o.o.'s Tech Stack

Decision Makers at JSystems Sp. z o.o.

1 contact

Andrzej Klusiewicz

Programista Python, PostgreSQL, Oracle. CEO @ JSystems Sp. z o.o.

k***@jsystems.pl Sign up to view

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18 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

JSystems Sp. z o.o. uses Sendgrid, Gmail, Google Apps among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

JSystems Sp. z o.o.'s Position in the StackWho Database

• JSystems Sp. z o.o. is 1 of 3,103 education management companies tracked in StackWho.
• 3,098 education management companies in our database have verified decision-maker emails (100% of the cohort).
• 2,024 companies in woj. mazowieckie are in the StackWho database.
• 978 education management companies are in the 11-50 employee range (same size as JSystems Sp. z o.o.).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does JSystems Sp. z o.o. use?

JSystems Sp. z o.o. uses Sendgrid, Gmail, Google Apps, Google Tag Manager, Nginx, Adobe Media Optimizer, and 12 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at JSystems Sp. z o.o.?

StackWho has verified email addresses for 1 decision maker at JSystems Sp. z o.o.. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach JSystems Sp. z o.o. directly for sales, recruiting, or partnerships.

What industry is JSystems Sp. z o.o. in?

JSystems Sp. z o.o. operates in the education management industry, headquartered in Warszawa, woj. mazowieckie, Poland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export JSystems Sp. z o.o.'s contact data?

Yes. StackWho Pro members can export decision maker contact data for JSystems Sp. z o.o. and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.