Senior Full-Stack Engineer (.NET/C#, Vue.js, willing to learn Flutter job in Kraków / remotely

Senior Full-Stack Engineer (.NET/C#, Vue.js, willing to learn Flutter

Position - how you'll contribute

As a Full‑Stack Developer, you will be responsible for backend development in .NET/C#, as well as web interfaces (Vue.js) co-designing the project architecture and ensuring technical quality.

  • You will design, code, test and implement features with high business value.
  • Proactive improvement of delivery processes, code quality and automation.
  • Design and implement services and REST APIs in .NET/C#, focusing on readability, performance and security.
  • Develop performance-focused, UX-optimized.
  • Data modeling and access (e.g., EF Core), query optimization and schema versioning.
  • Integrate with payment providers and notification/analytics systems.
  • Co-create architecture (modularity, event‑driven where appropriate), manage configuration and secrets.
  • Participate in code review, define standards and patterns, ensure robust test coverage and minimize flakiness.
  • Automate CI/CD pipelines (GitHub Actions/Azure DevOps), including building, testing and multi‑environment deployments.
  • Monitor, trace and report metrics (observability) and respond to incidents.

The role requires teamwork in Agile and focus on delivering value and continuous improvement.

Expectations - the experience you need

Expectations – the experience you need

Commercial experience throughout the development cycle is essential.

  • 5+ years as a Full‑Stack Developer or similar product role.
  • Proficiency in .NET/C# (preferably .NET 6+), API architecture and development.
  • Hands-on experience with Vue.js 3, TypeScript and related ecosystem.
  • Knowledge of relational databases and ORM (EF Core), fundamentals of domain modeling.
  • Experience with unit, integration and E2E tests and their integration into CI/CD.
  • Strong command of Git, code review and quality standards.
  • Familiarity with security practices and data protection in apps.
Our offer – professional development, personal growth
Hover on each benefit to learn more
Decide on the form and conditions of your employment
*Applicable in: Poland & Latam & MD/RO
Flexible employment and remote work
*Applicable in: Poland & Latam & MD/RO
Work with the latest technologies for industry leaders
*Applicable in: Poland & Latam & MD/RO
International projects with leading global clients
*Applicable in: Poland & Latam & MD/RO
Travel to clients’ and work in their environments
*Applicable in: Poland & MD/RO
International business trips
*Applicable in: Poland & MD/RO
Work comfortably in a relaxed and inspiring atmosphere that does not enforce a dress code
*Applicable in: Poland & Latam & MD/RO
Non-corporate atmosphere
*Applicable in: Poland & Latam & MD/RO
Develop your skills at work – language classes come to you
*Applicable in: Poland & MD/RO
Language classes
*Applicable in: Poland & MD/RO
Develop your competences and skills through skill centers and webinars
*Applicable in: Poland & MD/RO
Internal & external training
*Applicable in: Poland & MD/RO
Take care of the health of you and your loved ones
*Applicable in: Poland & MD/RO
Private healthcare and insurance
*Applicable in: Poland & MD/RO
Work out, swim and enjoy other fun activities
*Applicable in: Poland & MD/RO - monthly sport budget
Multisport card
*Applicable in: Poland & MD/RO - monthly sport budget
Take part in activities that support your physical and mental health
*Applicable in: Poland & Latam & MD/RO
Well-being initiatives
*Applicable in: Poland & Latam & MD/RO
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  • Senior Full-Stack Engineer (.NET/C#, Vue.js, willing to learn Flutter
    Software Development, .NET, C#, Vue.js, REF1799C, Kraków/Remote, B2B/UOP

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