Years of experience: 8

System ArchitectDatabase DeveloperWeb DeveloperData AnalystData EngineerML Engineer

Trust Score

Exceptionally trusted; proven professional excellence.

80%
Bartosz's Career Path
Full Stack EngineerDec. 2023 -
Present
OXID eSales AGFull Stack Engineer
Germany, FreiburgPayment modules, Data security, team of tech pioneers
Full Stack EngineerJun. 2018 -
Present
createIT.comFull Stack Engineer
Poland, WarsawDesigning system architecture Team Leader Senior backend - PHP 5.6 / 7.4 / 8, Senior frontend - VanillaJS, jQuery, Vue.js, Senior integrations expert - APIs Integrations, REST, SOAP Symfony, WordPress, WooCommerce, OXID eCommerce, custom PHP systems AWS Services, Linux, Bash scripting LAMP stack, Vagrant, Docker Working in SCRUM Working with legacy code Applying refactoring transformations a...

Bartosz's Posts

  • 2

    How I can help you

    I design and ship complete IT systems: architecture, stack, and deployment. Every boundary, protocol, and component is chosen on purpose, not by template. Plans live in diagrams and use cases; code is the exact realization, accelerated but never replaced by automation.

  • 2

    People I am looking for

    • Backend & domain: PHP 8.2, Symfony, API Platform, Doctrine, RabbitMQ, Mercure, fine-grained auth for domain-heavy apps. • Frontend & desktop: React, TypeScript, Tauri, Tailwind for lean web and native UIs. • Infra & QA: Docker, GitLab CI, signed images, tests as merge gates. • AI: LLMs boost throughput under strict human control. • Process: plan-first, ADRs, visible drift, repeatable delivery.

  • 2

    Experience & Cases

    • I work best with teams that own serious products: SaaS, platforms, marketplaces, complex B2B flows. • Used to clients like Oxid, createIT, Q-nect, Welmax, Hizero, Billboard-X, IDEGO, Stripe. • Need: clear stakes, real constraints, appetite for disciplined change.

  • 2

    • Built and integrated payment modules into large, existing systems. • Led major Symfony and Docker-based integrations across many services. • Comfortable in huge, mature backends and legacy code. • Range: deep backend refactors to straightforward frontend work, all under one architectural view.

  • 2

    How to contact

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