AeroLeads people directory · profile
Michał Kalkowski Email & Phone Number
Software Engineer
at
8lines
1 work email found
@sumup.com
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Software Engineer
Location
Lodz Metropolitan Area, Poland, Poland
Company size
Who is Michał Kalkowski? Overview
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Quick answer
Michał Kalkowski is listed as Software Engineer at 8lines, a company with 11 employees, based in Lodz Metropolitan Area, Poland, Poland. AeroLeads shows a work email signal at sumup.com and a matched LinkedIn profile for Michał Kalkowski.
Michał Kalkowski previously worked as Senior Software Engineer - Kotlin at Sumup and PHP Senior Software Engineer at Sumup. Michał Kalkowski holds Master'S Degree, Software Engineering And Network Systems from Politechnika Łódzka.
Company email context
Email format at 8lines
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{first_initial}{last}@sumup.com
76% confidence
AeroLeads found 1 current-domain work email signal for Michał Kalkowski. Compare company email patterns before reaching out.
Profile bio
About Michał Kalkowski
As a highly experienced backend software engineer with 16 years of expertise and a passion for crafting clean code and well-tested applications, I have honed my skills to deliver high-quality software solutions using PHP and recently Kotlin. My strength lies in being able to adapt quickly to new technologies and business domains, thanks to my curiosity and attention to detail. Furthermore, my ability to work well in a team and focus on delivering value makes me a significant asset to any organization.
Listed skills include Php, Wordpress, Oop, Tdd, and 17 others.
Current workplace
Michał Kalkowski's current company
Company context helps verify the profile and gives searchers a useful next step.
8Lines
10 roles
Michał Kalkowski work experience
A career timeline built from the work history available for this profile.
Senior Software Engineer - Kotlin
Current- migration of modular monolith application from PHP to microservices in Kotlin- integration with external APIs like Google, Contentful, and others- design API using OpenAPI specification for internal and mobile app communication- participate in Event-storming sessions- build observability using Grafana and Honeycomb (SLO, Monitoring)- integration with.
Dec 2022 - Present
Php Senior Software Engineer
Current- developing a modular monolith in PHP (designing architecture, communication between contexts)- working with legacy code (refactoring, migrations)- implementing new business features for the e-commerce platform- applying CQRS, DDD, Event-Driven architecture- applying API first approuche using OPEN API docs for microservices and mobile apps.
Jul 2019 - Present
Business Owner
CurrentTworzenie stron internetowyche-commercePozyskiwanie klientówTworzenie specyfikacji wymagań oraz ich późniejsza implementacja Zarządzanie projektamiIntegracja z systemami zewnętrznymi (Allegro API, Facebook API, Galactica Virgo, Asseco API, płatności internetowe)
Jan 2009 - Present
Dec 2018 - Jul 2019
Lider Zespołu Ds. Technicznych
Jul 2018 - Dec 2018
Programista Php
Feb 2018 - Dec 2018
Programista Php
Projektowanie architektury aplikacji, współpraca przy tworzeniu modelu domenowego Projektowanie bazy danychImplementacja bazodanowych wymagańProjektowanie i implementacja testów jednostkowych oraz funkcjonalnychTworzenie dokumentacji funkcjonalnej oraz technicznej identyfikowanie oraz poprawa błędówTworzenie oraz utrzymywanie APIProjektowanie oraz.
May 2016 - Feb 2018
Programista Php
Rozpoznawanie oraz wdrażanie wymagań klientów Modelowanie wymagańIntegracja z systemami zewnętrznymi (płatności internetowe, SMS API, etc)e-commercePoprawianie błędówAnaliza oraz implementacja nowych rozwiązańProjektowanie oraz implementacja modelu ORM/Database
Sep 2016 - Nov 2017
Php Programer
E-Solution
Fullstack developer
Jan 2007 - Nov 2008
2 education records
Michał Kalkowski education
Master'S Degree, Software Engineering And Network Systems
Inż, Computer Science
Wsinf
FAQ
Frequently asked questions about Michał Kalkowski
Quick answers generated from the profile data available on this page.
What company does Michał Kalkowski work for?
Michał Kalkowski works for 8lines.
What is Michał Kalkowski's role at 8lines?
Michał Kalkowski is listed as Software Engineer at 8lines.
What is Michał Kalkowski's email address?
AeroLeads has found 1 work email signal at @sumup.com for Michał Kalkowski at 8lines.
Where is Michał Kalkowski based?
Michał Kalkowski is based in Lodz Metropolitan Area, Poland, Poland while working with 8lines.
What companies has Michał Kalkowski worked for?
Michał Kalkowski has worked for 8Lines, Sumup, Silversite.Pl, Bitbag, and Divante.
How can I contact Michał Kalkowski?
You can use AeroLeads to view verified contact signals for Michał Kalkowski at 8lines, including work email, phone, and LinkedIn data when available.
What schools did Michał Kalkowski attend?
Michał Kalkowski holds Master'S Degree, Software Engineering And Network Systems from Politechnika Łódzka.
What skills is Michał Kalkowski known for?
Michał Kalkowski is listed with skills including Php, Wordpress, Oop, Tdd, Php 7, Symfony 3, Xml, and Rest.
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