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Antal Sp. z o.o.
Fullstack.Net EngineerAntal Sp. z o.o. • Kraków, Polska
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Fullstack.Net Engineer

Fullstack.Net Engineer

Antal Sp. z o.o. • Kraków, Polska
Ponad 30 dni temu
Opis pracy

We are looking for FullStack Engineer (.NET & React)

Location: Kraków / Hybrid (7 days in the office per month)

Contract Type: B2B Contract

Seniority: Mid / Senior

About the Project

Join a high-impact modernization initiative for a leading player in the banking sector. We are transforming a portfolio of approximately a dozen .NET applications and MSSQL databases into a modular, cloud-native Azure architecture.

As a FullStack Engineer, you will play a dual role: evolving existing production services (including legacy UI and desktop components) while systematically extracting business logic to re-implement it into a modern, scalable ecosystem. This is a unique opportunity to influence the transition from monolithic architectures to high-performance, distributed cloud services.

Your Responsibilities

  • Design & Development: Build backend services and APIs using .NET 6/8 following Clean Architecture and DDD patterns.
  • Frontend Evolution: Develop and maintain React + TypeScript frontends, managing the incremental migration from legacy UI modules.
  • Modernization: Read, refactor, and extract complex business logic from legacy .NET codebases and T-SQL stored procedures.
  • Quality Assurance: Write and maintain comprehensive automated tests (Unit, Integration, Contract, and E2E).
  • DevOps & Observability: Create CI/CD pipelines (Azure DevOps/GitHub Actions) and instrument services for deep observability (metrics, logs, distributed traces).
  • Collaboration: Participate in domain modeling, architecture discussions, and Agile ceremonies with Architects and Product Owners.

Skills & Experience We Require

  • Experience: 5+ years of commercial experience with C# and the .NET ecosystem (both Framework and .NET Core/6+).
  • Database Expertise: Strong proficiency in EF Core and MSSQL (including query tuning, transactions, and indexing).
  • Frontend: Solid production experience with React and TypeScript.
  • Web Services: Practical experience in building and securing REST APIs (Auth, Versioning, Validation).
  • Cloud: Familiarity with Azure services (App Service, Functions, SQL, Service Bus, Storage).
  • Testing & Tooling: Experience with xUnit, Jest, and Playwright/Cypress, as well as disciplined Git practices.
  • Legacy Handling: The ability to read and reason about legacy codebases (ASP.NET MVC, Razor, WPF, or WinForms).
  • Communication: English at a B2+ level for technical documentation and team collaboration.

Nice to Have

  • Experience with Infrastructure as Code (Terraform or Bicep).
  • Knowledge of Docker and Kubernetes (AKS).
  • Background in migrating monoliths to microservices.
  • Azure Developer Associate certification.

What We Offer

  • Impact: Real influence on the architecture and the cloud migration roadmap.
  • Autonomy: Direct collaboration with Tech Leads and Architects in a flat structure.
  • Modern Stack: Opportunity to work with the latest .NET versions (6/8) and React.
  • Efficiency: Fast technical onboarding with immediate access to repos, CI/CD pipelines, and monitoring tools.
  • Flexible Hybrid Model: Remote-first approach with only 7 planned days in the Kraków office per month.
  • Benefits : Luxmed and Multisport Card

In case of any questions regarding the role, the project, or the recruitment process, feel free to reach out directly to Katarzyna Gniadek (katarzyna.gniadek@antal.pl)

Discover our latest job openings: https://en.antal.pl/candidates
Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

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Fullstack.Net Engineer • Kraków, Polska