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Bartosz Kosakowski Email & Phone Number

Full-Stack Engineer at Q4 | M.Sc Computer Science at Q4
Location: Mississauga, Ontario, Canada 6 work roles 2 schools
1 work email found @q4inc.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email b****@q4inc.com
LinkedIn Profile matched
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Current company
Q4
Role
Full-Stack Engineer at Q4 | M.Sc Computer Science
Location
Mississauga, Ontario, Canada
Company size

Who is Bartosz Kosakowski? Overview

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Quick answer

Bartosz Kosakowski is listed as Full-Stack Engineer at Q4 | M.Sc Computer Science at Q4, a company with 413 employees, based in Mississauga, Ontario, Canada. AeroLeads shows a work email signal at q4inc.com and a matched LinkedIn profile for Bartosz Kosakowski.

Bartosz Kosakowski previously worked as Full Stack Engineer at Q4 and Lead Software Engineer at Air Whistle Media. Bartosz Kosakowski holds Master Of Science - Ms, Computer Science from Ryerson University.

Company email context

Email format at Q4

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{first}.{last}@q4inc.com
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AeroLeads found 1 current-domain work email signal for Bartosz Kosakowski. Compare company email patterns before reaching out.

Profile bio

About Bartosz Kosakowski

Full time software engineer

Listed skills include .Net, Social Media, Git, Efficient, and 28 others.

Current workplace

Bartosz Kosakowski's current company

Company context helps verify the profile and gives searchers a useful next step.

Q4
Q4
Full-Stack Engineer at Q4 | M.Sc Computer Science
toronto, ontario, canada
Website
Employees
413
AeroLeads page
6 roles

Bartosz Kosakowski work experience

A career timeline built from the work history available for this profile.

Full Stack Engineer

Current
Q4

Collaborated on the development of a workflow-oriented product by implementing front-end features in React and TypeScript, and creating RESTful and GraphQL services with Node.js, ensuring seamless backend integration to meet product requirements.Enhanced Q4’s core CMS by building UIs with React and server-side HTML, and developing and optimizing RESTful.

Feb 2022 - Present

Lead Software Engineer

Initiated and led development of key projects using Angular and C#.NET, including database design and architecting API's.Acted as liaison between development team and external stakeholders to continually gather requirements and iterate accordingly.Managed multiple other developers to ensure coordination on tasks and regular updates on project.

Mar 2021 - Feb 2022

Software Engineer

Burlington, Ontario, Canada

Developed optimized SQL query for searching Fastco's system of users, improving search speed by 97%.Built new Kentico CMS interface using C#.NET, and JQuery to re-establish parent-child relationship between Fastco platform users, allowing for faster client support.Implemented new project requirements for Cambridge Home Elevating to monitor and alert users.

Apr 2020 - Mar 2021

Full Stack Engineer Co-Op

Toronto, Canada Area

Achieved a 10 hour weekly increase in office productivity by correcting calculations across several C#.NET and VB.NET systems.Corresponded with senior management to implement desired features into in-house financial instrument software using Crystal Reports library for VB.NET.Improved system security and maintainability by developing inline SQL statements.

Apr 2018 - Aug 2019

Production Planner

Ontario, Canada

Surpassed 600 work orders and 50 part templates, bringing extra flexibility for my team to focus on higher priority goals.Expedited team workflow by ensuring engineering documents contain data of sufficient quality and correctness.

May 2017 - Aug 2017

Cashier

Mississauga, Ontario

Assigned several responsibilities, such as completing cashier duties, restocking menu items, preparing customer orders, maintaining the store’s cleanliness, and creating transaction reports. Demonstrated strong teamwork skills with four to seven coworkers by providing excellent service on peak days, even when the computer system malfunctioned. Communicated.

May 2016 - Aug 2016
Team & coworkers

Colleagues at Q4

Other employees you can reach at q4inc.com. View company contacts for 413 employees →

2 education records

Bartosz Kosakowski education

Master Of Science - Ms, Computer Science

Completed degree with A.I. Specialization

Bachelor Of Applied Science - Basc, Computer Science

Completed degree with Co-op designation for achieving over 16 months of internship experience.

FAQ

Frequently asked questions about Bartosz Kosakowski

Quick answers generated from the profile data available on this page.

What company does Bartosz Kosakowski work for?

Bartosz Kosakowski works for Q4.

What is Bartosz Kosakowski's role at Q4?

Bartosz Kosakowski is listed as Full-Stack Engineer at Q4 | M.Sc Computer Science at Q4.

What is Bartosz Kosakowski's email address?

AeroLeads has found 1 work email signal at @q4inc.com for Bartosz Kosakowski at Q4.

Where is Bartosz Kosakowski based?

Bartosz Kosakowski is based in Mississauga, Ontario, Canada while working with Q4.

What companies has Bartosz Kosakowski worked for?

Bartosz Kosakowski has worked for Q4, Air Whistle Media, Ontario Financing Authority, Cyclone Manufacturing, and Osmows.

Who are Bartosz Kosakowski's colleagues at Q4?

Bartosz Kosakowski's colleagues at Q4 include Deepa E., Stacey J. Feggans, Elizabeth Wood, Josh (George) Gonzalez, and Milán Máté.

How can I contact Bartosz Kosakowski?

You can use AeroLeads to view verified contact signals for Bartosz Kosakowski at Q4, including work email, phone, and LinkedIn data when available.

What schools did Bartosz Kosakowski attend?

Bartosz Kosakowski holds Master Of Science - Ms, Computer Science from Ryerson University.

What skills is Bartosz Kosakowski known for?

Bartosz Kosakowski is listed with skills including .Net, Social Media, Git, Efficient, Node.Js, Mongodb, Polish, and Teaching.

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