[GFA] Senior Full-Stack Engineer (.NET/C#, Vue.js, Flutter)

Company Description

Software Mind develops solutions that make an impact for companies around the globe. Tech giants & unicorns, transformative projects, emerging technologies and limitless opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we’re always on the lookout for talented people who bring passion and creativity to every project. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

Project – the aim you’ll have

The developed platform is a modern end-to-end rental platform connecting property owners, tenants and managers in a unified web and mobile ecosystem. The goal improve current solution to streamline user experience with a consistent interface, process automation and other improvements. The project will focus on high usability, scalability, reliability and integrations with third-party systems.

We seek a proactive, independent engineer with experience in building high-availability products with strong UX deliverables

Job Description

As a Full‑Stack Developer, you will be responsible for backend development in .NET/C#, as well as web interfaces (Vue.js) and mobile applications (Flutter), 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 and stable mobile apps in Flutter.
• 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.

Qualifications

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.
• Experience in Flutter/Dart for production-grade mobile apps.
• 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.

Additional Information

Our offer – professional development, personal growth:

• Flexible employment and remote work  
• International projects with leading global clients 
• International business trips  
• Non-corporate atmosphere 
• Language classes 
• Internal & external training 
• Private healthcare and insurance  
• Multisport card 
• Well-being initiatives 

Position at: Software Mind Poland

This role requires candidates to be based in the European Union.