11/03/2026 updated
TP
60 % partially available
Lead Frontend Developer | React, Next.js, TypeScript, React Native | Payments, Design Systems
Rzeszów, Poland
Only remote
About me
Frontend-Lead mit Payments- und Design-System-Schwerpunkt. Ich baue Checkout-Strecken, die konvertieren, Design Systems, die ein Team jahrelang trägt, und KI-Features auf Ihren eigenen Daten – remote aus Polen, Abrechnung in EUR. Case Studies: plocic.dev
Next.jsTypeScriptReact.jsWebpackStripeReact NativeFront End Software Development
Lead Frontend Developer / Frontend-Architekt mit 10+ Jahren Erfahrung in produktiven Webanwendungen. Schwerpunkte: Checkout & Payments-Frontend (Stripe, SEPA-Lastschrift, Subscriptions, Marktplatz-Checkout, Failed-Payment-Recovery), Design Systems (Radix UI, React Aria, Tailwind CSS, Storybook, Design Tokens) und KI-Integration mit eigenen Daten (LLM, OpenAI, RAG, Evals, EU-Hosting).
Tech-Stack: TypeScript, JavaScript, React, Next.js, React Native, Expo, Astro, Node.js, Bun, Tailwind CSS, GraphQL, REST API, PostgreSQL, SQLite, PocketBase, Docker, Playwright, Cypress, Vitest, Jest, Turborepo, Monorepo, Vite, Webpack, HTML5, CSS3, SASS, Figma, Contentful, Headless CMS, Keystatic, Git, GitHub Actions, CI/CD.
Weitere Erfahrung: Frontend-Architektur, Migration von Legacy-Stacks (jQuery, AngularJS, Angular, Knockout) auf React/Next.js, Performance-Optimierung & Core Web Vitals (Lighthouse, INP, LCP, RUM), Barrierefreiheit (WCAG, Accessibility), Internationalisierung (i18n, 12-sprachige Lokalisierung), Multi-Tenant-SaaS, Admin-Panels & interne Tools, Cross-Platform-Apps (iOS, Android, Web aus einer Codebasis), Tech Lead & Teamführung (bis 9 Entwickler), Code Review, Mentoring, Agile/Scrum.
Branchen: Automotive (Garantie-/Service-Vertragsplattform), E-Commerce, SaaS, PropTech/Real Estate, Tourismus, Architektur.
Sprachen: Englisch (verhandlungssicher), Polnisch (Muttersprache), Deutsch (Grundkenntnisse; Kommunikation auf Englisch). Remote aus Polen (CET), Rechnungsstellung in EUR per SEPA.
—
Lead frontend developer / frontend architect, 10+ years shipping production web apps. Focus areas: checkout & payments frontend (Stripe, SEPA direct debit, subscriptions, marketplace checkout, failed-payment recovery), design systems (Radix UI, React Aria, Tailwind CSS, Storybook, design tokens) and AI on your own data (LLM, OpenAI, RAG, evals, EU hosting). Also: frontend architecture, legacy migrations, Core Web Vitals, accessibility, i18n, multi-tenant SaaS, internal tools, React Native / Expo cross-platform, tech lead for teams up to nine. Remote from Poland (CET), invoicing in EUR.
Experience
Professional experience10+ years
Freelancer since2022
Languages
GermanBasic knowledgeEnglishFluentPolishNative speaker