What technologies does JER use?

JER uses Cloudflare DNS, SendInBlue, Mapbox, Nginx, YouTube. View their full technology stack — including all 10 detected tools — on StackWho.

Who is the Founder, Owner of JER?

Radoslav Jizdny is the Founder, Owner at JER. Get verified contact information on StackWho.

Where is JER located?

JER is based in Kosice, Kosice Region, Slovakia.

JER

jer.earth

information technology & services

jer.earth

Kosice, Kosice Region, Slovakia

11-50 employees

LinkedIn Profile

About JER

it services & it consulting, iot solutions, transportation & logistics, product development, fuel monitoring, software engineering, localization and monitoring, gps tracker, real-time data, harsh environment electronics, truck transport monitoring, electric drive management, renewable energy systems, electric drive control, automatic tachograph download, telecommunications, long-lasting gps for bikes, b2b, long-range gps, vehicle management

JER's Tech Stack

Decision Makers at JER

1 contact

Radoslav Jizdny

Founder, Owner

r***@rhalotel.com Sign up to view

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10 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

JER's Position in the StackWho Database

• JER is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 55 companies in Kosice Region are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as JER).

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 JER use?

JER uses Cloudflare DNS, SendInBlue, Mapbox, Nginx, YouTube, Mobile Friendly, and 4 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at JER?

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

What industry is JER in?

JER operates in the information technology & services industry, headquartered in Kosice, Kosice Region, Slovakia. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export JER's contact data?

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