Senior Full-Stack Engineer AI-Driven Development

Square One Resources Remote Warsaw 2026-11-02

Our requirements

  • 5+ years of experience in software engineering, developing production-grade enterprise applications.
  • Strong backend development skills, preferably Java/JVM.
  • Full-stack capabilities, including practical experience with modern frontend frameworks (React is a plus).
  • Strong knowledge of relational databases, SQL and data modelling.
  • Proven ability to independently deliver end-to-end features across frontend, backend and integrations.
  • Hands-on experience with AI coding tools and/or agentic development workflows.

Optional

  • Experience with Microsoft Azure cloud services.
  • Experience with PostgreSQL/SAP integrations.
  • Familiarity with CI/CD pipelines and DevOps practices.
  • Experience with SonarQube and automated code quality tools.
  • Experience working on international enterprise projects.
We're looking for Senior Fullstack Engineer to join our client's project ,[Take end-to-end ownership of features across frontend, backend, databases and integrations., Understand business requirements and translate them into robust technical solutions., Direct, challenge and validate AI coding agents throughout the development process., Critically review AI-generated code, identifying architectural weaknesses, security issues and quality risks., Work confidently with relational databases, data models and enterprise application architectures., Deliver complete features quickly while maintaining appropriate engineering standards., Collaborate directly with solution architects and product owners.] Requirements: AI, Microsoft Azure, PostgreSQL, Java, SQL Additionally: Sport subscription, Private healthcare, International projects.