.
Fullstack Engineer (React / Node.js, AI SaaS) @ Financial Assistant
  • Kraków
Fullstack Engineer (React / Node.js, AI SaaS) @ Financial Assistant
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Financial Assistant
8. 3. 2026
Informacje o stanowisku

About the Role

We are building an AI-powered financial SaaS platform with active users.

You will work directly with the founder to improve product stability, implement new features, and help scale the system.

This is a high-impact execution role in a small, focused team. We value autonomy, clean code, and pragmatic problem solving.

You will have real ownership of features and the opportunity to improve an AI-native system that is already in production.

We Offer

  • Real product with active users (not a prototype)
  • Direct collaboration with founder
  • High impact on product decisions
  • AI-first engineering workflow
  • Flexible remote setup
  • Long-term B2B cooperation
  • Paid technical task as part of recruitment process

  • 3–5+ years of commercial experience as a fullstack developer
  • Strong experience with React and Next.js
  • Experience with Node.js (backend development)
  • Experience working with relational databases (PostgreSQL preferred)
  • Experience working on production SaaS applications
  • Ability to take ownership of features from idea to production
  • Comfortable debugging real production issues
  • Ability to understand and improve existing production systems
  • Strong Git workflow and clean code practices
  • Fluent English (written and spoken)
  • Comfortable working in AI-augmented environments (Copilot, Cursor, etc.)

About the Role

We are building an AI-powered financial SaaS platform with active users.

You will work directly with the founder to improve product stability, implement new features, and help scale the system.

This is a high-impact execution role in a small, focused team. We value autonomy, clean code, and pragmatic problem solving.

You will have real ownership of features and the opportunity to improve an AI-native system that is already in production.

We Offer

  • Real product with active users (not a prototype)
  • Direct collaboration with founder
  • High impact on product decisions
  • AI-first engineering workflow
  • Flexible remote setup
  • Long-term B2B cooperation
  • Paid technical task as part of recruitment process
,[ Fix production bugs and improve system reliability , Implement new product features end-to-end (frontend + backend) , Improve and refactor existing codebase , Help standardize templates and workflows , Collaborate directly with founder on product improvements , Write clean, maintainable, well-documented code , Contribute to improving release and development processes Requirements: Node.js, React, Next.js, PostgreSQL, Git, Relational database, SaaS, Clean Code, Open API, SaaS product management, Automation Tools: Github, GitHub, Agile, Scrum. Additionally: Flat structure, Small teams.

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


    117 922
    19 280