Marcin Wcisło
Software Engineer at Saleor Commerce
Poland
Summary
🤩
Rockstar🎓
Top SchoolMarcin Wcisło is a pragmatic software engineer with a strong DevOps and cloud-native background, currently contributing to Saleor Commerce's backend after three years of professional experience. He has led cloud engineering initiatives—building Docker, Kubernetes and AWS-based SaaS platforms—and transitioned into Scrum Master duties to improve team delivery and cross-functional collaboration. Marcin has hands-on experience across the stack: Python/Django backends, Terraform-driven infra, CI/CD pipelines and Postgres, and has applied that to live products in SaaS and e-commerce contexts. His open-source contributions to the high-profile Saleor project show attention to data integrity and operational robustness (e.g., task expiration configuration and webhook response handling). Comfortable alternating between coding, architecture and team leadership, he brings a practitioner’s eye for reliability and process improvements that reduce operational friction.
3 years of coding experience
9 years of employment as a software developer
Bachelor of Science (BSc), Computer Science, Bachelor of Science (BSc), Computer Science at Politechnika Poznańska
English, German, Polish
Stackoverflow
101reputation
368kreached
3answers
0questions
Github Skills (19)
python10
django10
webhooks10
ecommerce9
celery9
testing8
caching7
graphql6
collections6
linq-to-objects6
sql6
wordpress-graphql6
wpgraphql6
java6
mysql6
Programming languages (5)
Github contributions (5)
saleor/saleor
Nov 2022 - Mar 2025
Saleor Core: the high performance, composable, headless commerce API.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:26 releases, 34 reviews, 83 PRs in 2 years 4 months
Contributions summary:Marcin primarily contributed to the back-end functionality of the Saleor platform. They addressed issues related to user data generation, specifically preventing random ID assignment for fake users, and introduced a feature to configure task expiration dates. Furthermore, the user made improvements by removing unnecessary imports, disabling Django cache key warnings, and truncating lengthy responses from webhooks, enhancing overall system stability and efficiency. These commits demonstrate a focus on code quality, task management, and data handling within the e-commerce platform.
pythonecommercedjangoheadless-ecommerceshopping-cart
saleor/requests-hardened
Apr 2024 - Dec 2024
A library that overrides the default behaviors of the requests library, and adds new security features.
Contributions:4 reviews, 3 PRs, 2 pushes in 8 months
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