What technologies does HARUMI use?

HARUMI uses Route 53, Gmail, Google Apps, Microsoft Office 365, Amazon AWS. View their full technology stack — including all 10 detected tools — on StackWho.

Who is the Co-Founder & CTO of HARUMI?

Marcel Nicolay is the Co-Founder & CTO at HARUMI. Get verified contact information on StackWho.

Who is the Co-Founder & COO of HARUMI?

Ricardo Leao is the Co-Founder & COO at HARUMI. Get verified contact information on StackWho.

Where is HARUMI located?

HARUMI is based in San Francisco, California, United States.

HARUMI

harumi.io

information technology & services

harumi.io

San Francisco, California, United States

11-50 employees

LinkedIn Profile

About HARUMI

optimization, operations research, math modeling, algorithms, production planning, industrial engineering, technology, information & internet, workflow automation, logistics decision support, simulation modeling, supply chain optimization, business intelligence, industry-specific optimization, logistics, data modeling, information technology and services, manufacturing, b2b, operational efficiency

HARUMI's Tech Stack

Decision Makers at HARUMI

3 contacts

Marcel Nicolay

Co-Founder & CTO

m***@harumi.io Sign up to view

Ricardo Leao

Co-Founder & COO

r***@harumi.io Sign up to view

Miriam Koga

Founder

m***@harumi.io Sign up to view

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10 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

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

HARUMI's Position in the StackWho Database

• HARUMI 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).
• 53,147 companies in California are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as HARUMI).

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 HARUMI use?

HARUMI uses Route 53, Gmail, Google Apps, Microsoft Office 365, Amazon AWS, React, and 4 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at HARUMI?

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

What industry is HARUMI in?

HARUMI operates in the information technology & services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export HARUMI's contact data?

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