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Opis oferty

AI Full-Stack Product Engineer - Warsaw onstie w Warszawa, Polska

SQUARE ONE RESOURCES sp. z o.o.

  • KontraktUmowa czasowa lub freelancing

120,00 – 170,00 zł

Warszawa, Polska

Your responsibilities

  • Build and deliver end-to-end product features across frontend and backend.
  • Develop high-quality user-facing experiences using React and TypeScript.
  • Design and implement APIs, backend logic, and data flows.
  • Translate ambiguous product requirements into practical and scalable technical solutions.
  • Work closely with Product and Design to shape and deliver new features.
  • Take ownership of features from problem discovery through development, release, and production support.
  • Improve product usability, performance, reliability, accessibility, and overall UX.
  • Make sensible decisions around scope, architecture, and technical trade-offs.
  • Instrument and monitor features to understand their behavior in production.
  • Maintain high standards of code quality, testing, security, and maintainability.
  • Use AI development tools such as Codex, Claude Code, and AI agents as part of your daily engineering workflow.
  • Contribute to improving internal engineering tools, workflows, and development practices.

Our requirements

  • Strong Mid/Senior-level experience building and shipping production web applications.
  • Strong experience with React and TypeScript or an equivalent modern web stack.
  • Solid backend development experience, including designing and implementing APIs, business logic, and data flows.
  • Experience with https://jobeax.com/link/JSd7UYCSg572jJDY, Python, or both is a strong advantage.
  • Strong product mindset and ability to identify unnecessary complexity and improve user experiences.
  • Ability to work independently and make sound decisions when requirements are incomplete or ambiguous.
  • Experience taking ownership of features or product areas from concept to production.
  • Good understanding of software architecture, testing, performance, and production quality.
  • Security-conscious approach to software development, especially when working with sensitive data.
  • Strong communication skills and ability to collaborate effectively with Engineering, Product, and Design teams.
  • Practical experience using AI tools as part of everyday software development.
  • Willingness to work from the Warsaw office.

Optional

  • Experience building AI-powered products, such as:
  • AI chat interfaces
  • AI search
  • recommendation systems
  • workflow automation
  • AI agents / agentic systems
  • Experience with Python and/or https://jobeax.com/link/JSd7UYCSg572jJDY on the backend.
  • Experience owning product areas with limited supervision.
  • Strong knowledge of web performance and accessibility.
  • Experience working with complex enterprise applications.
  • Experience with observability, instrumentation, logs, traces, or developer tooling.
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