CareerOS

careeros.com

Barcelona, Catalonia, Spain

11-50 employees

LinkedIn Profile

About CareerOS

higher education, teched, artificial intelligence, career development, startup, resume builder, software development, gdpr compliance, university partnerships, candidate sourcing, job application tracking, networking tools, career coaching, colleges, universities, and professional schools, career outcomes tracking, networking with decision-makers, job market analytics, career insights

CareerOS's Tech Stack

AI/ML

Decision Makers at CareerOS

3 contacts

Oleksii Reshetnik

Co-Founder, CTO

o***@thecareeros.com Sign up to view

Maximilian Stengel

Co-Founder

m***@thecareeros.com Sign up to view

Marcus Castro

CoFounder

m***@thecareeros.com Sign up to view

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15 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

CareerOS's Position in the StackWho Database

• CareerOS 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).
• 5,322 companies in Catalonia are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as CareerOS).

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 CareerOS use?

CareerOS uses Amazon AWS, Gmail, Google Apps, Microsoft Office 365, Mobile Friendly, Hubspot, and 9 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at CareerOS?

StackWho has verified email addresses for 3 decision makers at CareerOS. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach CareerOS directly for sales, recruiting, or partnerships.

What industry is CareerOS in?

CareerOS operates in the information technology & services industry, headquartered in Barcelona, Catalonia, Spain. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export CareerOS's contact data?

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