J42

jobandesther.com

information technology & services

jobandesther.com

Helsinki, Uusimaa, Finland

11-50 employees

670000 revenue

LinkedIn Profile

About J42

crossdevice development, operating systems, software development, embedded software, development tools, crossplatform development, computer software, information technology & services

J42's Tech Stack

AI/ML

Decision Makers at J42

1 contact

Markku Kero

Founder, CEO & CTO

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11 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

J42's Position in the StackWho Database

• J42 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).
• 2,396 companies in Uusimaa are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as J42).

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 J42 use?

J42 uses Cloudflare DNS, Outlook, Amazon AWS, Node.js, SharePoint, React Native, and 5 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at J42?

StackWho has verified email addresses for 1 decision maker at J42. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach J42 directly for sales, recruiting, or partnerships.

What industry is J42 in?

J42 operates in the information technology & services industry, headquartered in Helsinki, Uusimaa, Finland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export J42's contact data?

Yes. StackWho Pro members can export decision maker contact data for J42 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.