What technologies does Blue J use?

Blue J uses Route 53, Rackspace MailGun, Gmail, Google Apps, MailChimp SPF. View their full technology stack — including all 28 detected tools — on StackWho.

Who is the CTO of Blue J?

Brett Janssen is the CTO at Blue J. Get verified contact information on StackWho.

Who is the Director of Artificial Intelligence of Blue J?

Soumali Roychowdhury is the Director of Artificial Intelligence at Blue J. Get verified contact information on StackWho.

Where is Blue J located?

Blue J is based in Toronto, Ontario, Canada.

Blue J

bluejlegal.com

information technology & services

bluejlegal.com

Toronto, Ontario, Canada

51-200 employees

20000000 revenue

LinkedIn Profile

About Blue J

machine learning, legal technology, tax research, generative ai, tax, ai, tax law, saas, legal, professional services, enterprise software, deep information technology, information technology, software, software development, services, tax ai tools, law and economics, tax law transparency, automated drafting

Blue J's Tech Stack

AI/ML

Decision Makers at Blue J

5 contacts

Brett Janssen

CTO

b***@bluej.com Sign up to view

Soumali Roychowdhury

Director of Artificial Intelligence

s***@bluej.com Sign up to view

Christine Matu

Head of Product Marketing

c***@bluej.com Sign up to view

Darren McElligott

Director of Engineering - Platform

d***@bluej.com Sign up to view

Mark Hayes

Director of Engineering (Product) at Blue J

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

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28 technologies detected · 5 decision makers · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

Blue J's Position in the StackWho Database

• Blue J 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).
• 14,579 companies in Ontario are in the StackWho database.
• 13,765 information technology & services companies are in the 51-200 employee range (same size as Blue J).

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 Blue J use?

Blue J uses Route 53, Rackspace MailGun, Gmail, Google Apps, MailChimp SPF, Amazon AWS, and 22 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Blue J?

StackWho has verified email addresses for 5 decision makers at Blue J. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Blue J directly for sales, recruiting, or partnerships.

What industry is Blue J in?

Blue J operates in the information technology & services industry, headquartered in Toronto, Ontario, Canada. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Blue J's contact data?

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