Agnieszka Jacek
Backend Tech Lead at YES Biżuteria
Wrocław, Lower Silesian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolAgnieszka Jacek is a Backend Tech Lead based in Wrocław with 10 years of experience building and leading engineering teams around Ruby on Rails and e-commerce platforms. She has progressed from junior Rails developer roles to technical project leadership, blending hands-on backend work—particularly on API behavior and pagination for the popular open-source Spree eCommerce project—with project planning, stakeholder communication, and delivery ownership. Her background uniquely combines a formal finance and accounting education with deep technical expertise, which helps her navigate payments, billing integrations (Stripe) and product requirements with commercial rigor. Known for upgrading Rails versions, Docker-based development and test-driven workflows (RSpec), she excels at turning complex domain needs into maintainable backend systems. Currently leading backend engineering at YES Biżuteria, she brings both team leadership and practical open-source contribution experience to fast-moving commerce teams.
10 years of coding experience
7 years of employment as a software developer
Bachelor's degree Finance and Accounting, Bachelor's degree Finance and Accounting at Uniwersytet WSB Merito WrocławMaster's degree Finance and Accounting, Master's degree Finance and Accounting at Wroclaw University of Economics and Business
English, Polish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (17)
back-end-development10
apidoc10
ecommerce10
rails10
ruby10
api10
spree10
ruby-on-rails10
spreed10
api-design9
restful-api9
api-rest9
rest-api9
database8
databases8
Programming languages (2)
Github contributions (5)
spree/spree
Feb 2021 - Feb 2021
An open source eCommerce platform giving you full control and customizability. Modular and API-first. Multi-vendor, multi-tenant, multi-store, multi-currency, multi-language. Built using Ruby on Rails. Developed by @vendo-dev
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 6 commits, 7 PRs in 13 days
Contributions summary:Agnieszka primarily contributed to the back-end functionality of the Spree e-commerce platform. Their commits focused on enhancing API behavior, specifically addressing token handling and pagination. They also worked on improving the display of credit card information, updating code related to option types, and making adjustments in core models.
multi-sourceecommercemulti-languagespreecommerceshopware
agnieszkajacek/CookBook
Jul 2015 - Dec 2016
Contributions:43 commits, 39 pushes, 1 branch in 1 year 4 months
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