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Senior Software Fullstack Engineer
  • Kraków
Senior Software Fullstack Engineer
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Grafton Sp. Z o.o.
10. 10. 2025
Informacje o stanowisku

ZAKRES OBOWIĄZKÓW:

  • Full-stack development: design, build, test, and maintain features across both backend services and modern web front-ends
  • Backend engineering: develop robust services and APIs using C# and .NET, with PostgreSQL/EF Core for persistence
  • Frontend engineering: build modern, responsive, and accessible user interfaces using React, TypeScript, and related tooling
  • Implement and maintain threat detection features leveraging Active Directory and Azure AD integration
  • Support and enhance the existing on-premises product while contributing to SaaS integration and modernization initiatives
  • Optimize application performance, scalability, and security across both client and server layers
  • Write clean, maintainable, and well-documented code following security and engineering best practices
  • Participate in code reviews, testing, and debugging for both frontend and backend systems
  • Collaborate with product, design, and platform teams to shape user experiences and architectural improvements
  • Maintain and evolve CI/CD pipelines to support full-stack delivery workflows
  • Monitor application health and troubleshoot issues across the stack




WYMAGANIA:
  • Bachelors degree in Computer Science, Engineering, or related field, or equivalent experience
  • 5+ years of professional software development experience
  • Strong proficiency in C# and .NET/.NET Core
  • Expertise in React and TypeScript for building modern web applications
  • Experience with PostgreSQL and Entity Framework Core
  • Strong understanding of object-oriented programming, design patterns, and software engineering best practices
  • Experience developing and consuming RESTful APIs and working with microservices
  • Familiarity with modern DevOps practices, including CI/CD, Git, Docker, and cloud platforms
  • Solid problem-solving skills and attention to detail
  • Excellent collaboration and communication skills


Preferred Qualifications:
  • Working knowledge of Active Directory concepts and integration
  • Background in cybersecurity or threat detection systems
  • Familiarity with AI/ML integration in security or analytics applications
  • Experience with containerization and Kubernetes
  • Understanding of SaaS architecture considerations
  • Experience modernizing legacy enterprise applications
  • Contributions to open-source projects or active GitHub presence


OFERUJEMY:
  • Competitive Health Benefits (with dental care)
  • Flexible Work-Schedule
  • Paid Time Off for Volunteering and for Your Birthday
  • Hybrid Working Environment
  • Regular Company Town Halls to Keep You Informed
  • Opportunities for Career Growth and Advancement
  • High performance equipment, access to high performance data centers to effectively proceed with your tasks
  • Competitive salary (discussed individually depending on qualifications)
  • Work in international team of talented and energetic people with clear setting of tasks, flexible communication between colleagues on work issues
  • Professional trainings and education, including courses and conferences out of the company, internal educational platform
  • Purchasing required software and literature by employee's request
  • Excellent professional and career opportunities

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


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