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September 29, 2026

Full-Stack Developer (React + Java)

Senior • Remote

140 - 160 PLN/yr

Warsaw, Maz, Poland

Quick Facts

  • Role: Full-Stack Developer (React + Java)

  • Focus: event-driven campaign systems, personalized recommendations, React micro-frontends, and high-performance APIs

  • Work style: fully remote, B2B project with stage-based payments

Description

You will help build advanced, event-driven systems that process campaign data in the cloud and enable personalized recommendations for users. The role also involves creating scalable React micro-frontends for analytics dashboards with strong accessibility (a11y) and server-side rendering (SSR), plus building high-performance APIs for dashboards and market benchmarks.

Responsibilities

  • Develop an event-driven distributed architecture for processing campaign data using cloud computing and queueing systems

  • Build backend services to generate and serve personalized user prompts with data science teams

  • Create and maintain scalable React micro-frontends for analytics dashboards, focusing on accessibility and performance (SSR)

  • Build high-performance API interfaces supporting dashboards and market benchmarks

Requirements

  • Minimum 5 years of front-end development experience

  • Communicative English (B2)

  • Commercial experience with Java/Kotlin

  • Experience with microservices architecture

  • Strong knowledge of TypeScript and React

  • Good knowledge of SQL, HTML, CSS

Benefits

  • Remote work (100%)

  • B2B project collaboration with payment by stages and acceptance protocols for deliverables

  • Administrative and billing support

  • Participation in industry events and technology meetups

  • Referral bonus for recommending friends to projects

  • Fast, remote process; final decision made by the project owner

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