Michael Onishchenko

Michael Onishchenko: Email & Phone Number

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Software Engineer II at Costco IT|Greater Seattle Area, United States

Position:

Software Engineer II at Costco IT

Location:

Greater Seattle Area, United States

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Last updated: 2026-05-04
Updated: 2026-05-04

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Work Experience 5 years

Software Engineer II at Costco IT

Apr 2025 - Current

Software Engineer I at Costco IT

Jan 2024 - Mar 2025

IT Intern (OMS Front-End Developer) at Costco Wholesale

Jun 2023 - Sep 2023

Registered Tow Truck Operator at NFS Towing

Aug 2021 - Jan 2023

Michael Onishchenko started working in 2021, then the employee has changed 2 companies and 3 jobs. On average, Michael Onishchenko works for one company for 1 year.

Their professional focus is .NET Framework, ASP.NET, and Azure DevOps Services across 3 core areas.

Education

Bachelor of Applied Science -BAS at Green River College

Associate of Arts - AA at Highline College

Frequently Asked Questions

What is Michael Onishchenko's email address?

SignalHire found a verified business email address for Michael Onishchenko: m**********o@costco.com.

What is Michael Onishchenko's phone number?

SignalHire found a verified phone number for Michael Onishchenko: +1-***-***-6780.

How do I contact Michael Onishchenko at Costco IT?

You can reach Michael Onishchenko through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Michael Onishchenko's professional background?

Michael Onishchenko has 5 years of professional experience. They have held roles including Software Engineer I, IT Intern (OMS Front-End Developer), and Registered Tow Truck Operator at companies such as Costco IT, Costco Wholesale, and NFS Towing. Their education includes Bachelor of Applied Science -BAS from Green River College, and Associate of Arts - AA from Highline College.

Is Michael Onishchenko's contact information up to date?

Yes. Michael Onishchenko's SignalHire profile was last updated on 4 May 2026, reflecting their current position as Software Engineer II at Costco IT in Issaquah, WA, United States.

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