May 9, 2026
Fullstack Software Engineer
Senior • Remote
5,500 - 9,000 USD
Warsaw, Poland
We are seeking a Senior Full Stack Developer who thrives in fast-paced environments and takes full ownership of product experiences. This role is central to building and scaling our customer-facing dashboard and the systems behind it, while driving a culture of rapid, high-quality code delivery powered by modern AI tools.
Own end-to-end development of the customer-facing dashboard, including both frontend (React) and backend services
Design, build, and maintain scalable full-stack applications using modern best practices
Lead frontend development with React, delivering production-ready, high-performance interfaces
Architect and implement backend systems using Node.js
Develop and maintain APIs using both RESTful and GraphQL approaches
Design and manage data models across SQL and NoSQL databases
Take full responsibility for application security, including best practices in authentication, authorization, and data protection
Build and evolve AI-assisted development workflows (e.g., Claude, Codex) to enable faster, more efficient code shipping
Drive and instill a culture of rapid, high-quality delivery across the team, including mentoring current and new hires
Collaborate with cross-functional teams to define, design, and ship new features
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