// 00 · introduction

Jędrzej Zawojski

Full Stack Web Developer

I combine years of engineering experience with the speed of the AI era to build end-to-end web and mobile applications, from spec to deployment.

Based in Wroclaw, Poland, open to remote work.

const stack = {

ui: "React",

lang: "TypeScript",

backend: "Node.js",

mobile: "React Native · Expo",

frameworks: ["Next.js", "TanStack"],

ai: ["Claude", "Cursor", "Codex"]

}

// 01 · experience

exp-06·May 2025 - Present·Remote · Warsaw, PL·Contract

Senior Full Stack DeveloperWAYF

React NativeExpoPayload CMSMedusa v1Node.jsTypeScriptNext.jsFirecrawl

-Delivered full-stack work across an enterprise Payload CMS platform and a mobile app for multi-vendor product catalogues.
-Built flows to scrape and import products from URLs, organize catalogues, publish storefronts, and manage orders end-to-end.
-Adopted AI coding agents (Claude Code and Cursor) as a core part of daily delivery workflow.

React NativeExpoPayload CMSMedusa v1Node.jsTypeScriptNext.jsFirecrawl

exp-05·Jul 2024 - May 2025·Wroclaw, PL·Full-time

Senior Full Stack Engineer (Staff)Promethean

ReactViteNode.jsZodZustandTanStack Router

-Led the frontend team building a content management and sharing platform integrated with web and mobile whiteboard apps.
-Contributed to backend integrations between services supporting the platform ecosystem.
-Improved developer experience through component simplification, stronger type safety, and initial routing migration.

ReactViteNode.jsZodZustandTanStack Router

exp-04·Nov 2023 - Jun 2024·Remote · Warsaw, PL·Contract

Software DeveloperTeacode.io

Next.jsMaterial UINest.jsDrizzleTypeScript

-Built full-stack features for an early-stage travel planning app.
-Implemented product capabilities in a Next.js and Nest.js stack focused on shipping new functionality quickly.
-Worked on system performance improvements alongside feature development.

Next.jsMaterial UINest.jsDrizzleTypeScript

exp-03·May 2023 - Jul 2023·Hybrid · Wroclaw, PL·Contract

Software EngineerProduct Brew

Next.jsTailwindtRPCZodPrisma

-Designed and developed features for a high-traffic product in the US Medicare domain.
-Contributed to core capabilities including user authentication and content aggregation across services.
-Supported stack evolution from GraphQL to tRPC in selected parts of the system.

Next.jsTailwindtRPCZodPrisma

exp-02·May 2021 - May 2023·Wroclaw, PL·Full-time

Web DeveloperExplain Everything (now Promethean)

TypeScriptJavaScriptReactNode.jsExpressPostgreSQL

-Developed and maintained microservices powering account management for web and mobile whiteboard applications.
-Worked across backend and frontend boundaries to support education and business use cases.
-Contributed to reliable day-to-day development of core user account systems.

TypeScriptJavaScriptReactNode.jsExpressPostgreSQL

exp-01·Jan 2019 - Apr 2021·Wroclaw, PL·Full-time

Solutions EngineerSiemens Digital Logistics

JavaJavaScriptSQL

-Consulted on customer projects for supply chain and logistics management solutions.
-Implemented software features supporting planning, visibility, and operational control workflows.
-Collaborated with stakeholders to adapt technical solutions to business requirements.

JavaJavaScriptSQL

// 02 · my tools & projects

tool-01

wip