Fullstack Engineer

Wymagania:
- 5+ years of commercial full-stack experience with .NET (6+/9), ASP.NET Core, and C#
- Strong EF Core and SQL (Azure SQL / MSSQL) skills (query tuning, indexing, transactions, stored procedures)
- Hands-on Azure experience – App Service, Azure SQL, Storage Account, Key Vault, Service Bus / Functions
- Solid Infrastructure-as-Code expertise with Terraform
- CI/CD pipelines experience in Azure DevOps (YAML build/release, environment promotion)
- In-depth understanding of REST API design and security (OAuth2, JWT, OIDC)
- Automated testing (xUnit, Playwright, Jest/Vitest) and TDD practices
- Observability and logging tools: Application Insights, Serilog
- Good Git practices, PR reviews, and agile team collaboration
- Fluent English (B2+) proficiency for technical collaboration

Mile widziane:
- Production experience with React + TypeScript
- Knowledge of Azure Data Factory, Databricks, Power BI
- Familiarity with microfrontends / Module Federation
- Event-driven integrations (Service Bus, Event Hubs)
- Docker/Kubernetes (AKS), ARM/Bicep templates
- Experience modernizing monolithic UIs (e.g., Razor, WinForms)
- Azure Certifications (AZ-204, AZ-400) or HashiCorp Terraform Associate

O firmie:
- At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
- Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.

Zakres obowiązków:
- Design and implement backend services and APIs in .NET 9, applying Clean Architecture principles
- Build and maintain React + TypeScript microfrontends using a shared UI library with Module Federation
- Manage MSSQL / Azure SQL schemas, write/tune T-SQL and EF Core queries
- Author Terraform IaC templates (modules, state, multi-environment provisioning) for Azure resources
- Implement and optimize Azure DevOps CI/CD pipelines (YAML-based)
- Secure APIs using OAuth2/JWT, Azure AD (Entra ID), and Key Vault for secrets management
- Instrument services for observability (Application Insights, Serilog structured logs), add health checks and alerts
- Read and refactor legacy .NET and T-SQL logic for incremental migration
- Write automated tests: unit, integration, API, and end-to-end coverage
- Troubleshoot and fix production incidents, enhancing operational stability
- Actively participate in Agile ceremonies, estimate stories, review PRs, and contribute to best practices
- Note: Detailed project information will be shared during the recruitment process.

Oferujemy:
- Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
- Hybrid work setup – 2 days a week from the office in Kraków
- Collaborative team culture – work alongside experienced professionals eager to share knowledge
- Continuous development – access to training platforms and growth opportunities
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
- High quality equipment – laptop and essential software provided