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Mariusz Olszewski Email & Phone Number
Programista NoCode
at
Qasttor
1 work email found
@moio.net
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Programista NoCode
Location
Jędrzejów, Świętokrzyskie, Poland
Company size
Who is Mariusz Olszewski? Overview
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Quick answer
Mariusz Olszewski is listed as Programista NoCode at Qasttor, a company with 4 employees, based in Jędrzejów, Świętokrzyskie, Poland. AeroLeads shows a work email signal at moio.net and a matched LinkedIn profile for Mariusz Olszewski.
Mariusz Olszewski previously worked as React Developer at Britenet and Junior Frontend Developer at Endysoft. Mariusz Olszewski holds Magister Inżynier (Mgr Inż.), Budownictwo from Kielce University Of Technology.
Company email context
Email format at Qasttor
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*@moio.net
68% confidence
AeroLeads found 1 current-domain work email signal for Mariusz Olszewski. Compare company email patterns before reaching out.
Profile bio
About Mariusz Olszewski
I am a committed specialist with over 3 years of experience in creating web applications using React with TypeScript, unit test with RTL and E2E test with playwright. I have excellent communication skills and I work in an international environment. I constantly try to develop my skills and stay up to date with technological innovations.Jestem zaangażowanym specjalistą z ponad 3-letnim doświadczeniem w tworzeniu aplikacji internetowych z wykorzystaniem React z TypeScript, testów jednostkowych z RTL oraz testów E2E z Playwright. Posiadam doskonałe umiejętności komunikacyjne i pracuję w międzynarodowym środowisku. Stale staram się rozwijać swoje kompetencje i być na bieżąco z nowinkami technologicznymi.
Listed skills include Autocad, Autocad Architecture, Architecture, Architectural Design, and 25 others.
Current workplace
Mariusz Olszewski's current company
Company context helps verify the profile and gives searchers a useful next step.
Qasttor
4 roles
Mariusz Olszewski work experience
A career timeline built from the work history available for this profile.
React Developer
- Designing and implementing website interface for mobile, tablet and desktop.
- Specialising in React and TypeScript.
- Collaborating with backend.
- Building reusable code.
- Participating in pre-project analysis and technical assessments to validate creation of UI/UX.
- Using tools as WebStorm, Jira, Figma, Adobe XD, git, yarn, Gitlab.
Mar 2022 - May 2024
Junior Frontend Developer
Oct 2021 - Dec 2021
Junior Frontend Developer
Aug 2021 - Sep 2021
1 education record
Mariusz Olszewski education
FAQ
Frequently asked questions about Mariusz Olszewski
Quick answers generated from the profile data available on this page.
What company does Mariusz Olszewski work for?
Mariusz Olszewski works for Qasttor.
What is Mariusz Olszewski's role at Qasttor?
Mariusz Olszewski is listed as Programista NoCode at Qasttor.
What is Mariusz Olszewski's email address?
AeroLeads has found 1 work email signal at @moio.net for Mariusz Olszewski at Qasttor.
Where is Mariusz Olszewski based?
Mariusz Olszewski is based in Jędrzejów, Świętokrzyskie, Poland while working with Qasttor.
What companies has Mariusz Olszewski worked for?
Mariusz Olszewski has worked for Qasttor, Britenet, Endysoft, and Masterborn Software.
How can I contact Mariusz Olszewski?
You can use AeroLeads to view verified contact signals for Mariusz Olszewski at Qasttor, including work email, phone, and LinkedIn data when available.
What schools did Mariusz Olszewski attend?
Mariusz Olszewski holds Magister Inżynier (Mgr Inż.), Budownictwo from Kielce University Of Technology.
What skills is Mariusz Olszewski known for?
Mariusz Olszewski is listed with skills including Autocad, Autocad Architecture, Architecture, Architectural Design, Cad, Mixed Use, Residential, and Urban Planning.
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