What technologies does UPPER use?

UPPER uses Mailchimp Mandrill, Gmail, Google Apps, Google Cloud Hosting, WP Engine. View their full technology stack — including all 24 detected tools — on StackWho.

Who is the Interim CTO of UPPER?

Vlad Cazacu is the Interim CTO at UPPER. Get verified contact information on StackWho.

Where is UPPER located?

UPPER is based in Berlin, Berlin, Germany.

UPPER

upper.co

information technology & services

upper.co

Berlin, Berlin, Germany

51-200 employees

1500000 revenue

LinkedIn Profile

About UPPER

agile, angular, backend development, freelancing, frontend development, html, java, javascript, mobile apps, net, nodejs, php, product management, project management, react, rest api, scrum, software development, typescript, ui

UPPER's Tech Stack

AI/ML

Mobile

Android

Backend

Node.js

Decision Makers at UPPER

1 contact

Vlad Cazacu

Interim CTO

v***@upper.co Sign up to view

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24 technologies detected · 1 decision maker · 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.

UPPER's Position in the StackWho Database

• UPPER 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).
• 5,207 companies in Berlin are in the StackWho database.
• 13,765 information technology & services companies are in the 51-200 employee range (same size as UPPER).

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 UPPER use?

UPPER uses Mailchimp Mandrill, Gmail, Google Apps, Google Cloud Hosting, WP Engine, Vercel, and 18 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at UPPER?

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

What industry is UPPER in?

UPPER operates in the information technology & services industry, headquartered in Berlin, Berlin, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export UPPER's contact data?

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