Senior FullStack Developer

Working mode: Hybrid (5 days per month at the office in Cracow)

Contract type: B2B

Start date: January/ beginning of February

Summary: The role of Senior FullStack Engineer focuses on transitioning a portfolio of legacy .NET applications to a cloud-native Azure architecture while maintaining and enhancing existing UIs.

Responsibilities:

• Lead architecture, define boundaries, and drive modularization strategies.

• Create and maintain guidelines for API/versioning and contract standards.

• Implement and review core services and React frontends.

• Mentor engineers, run pair sessions, and formalize best practices.

• Design CI/CD and automation processes using Azure DevOps and other tools.

• Oversee observability, reliability, and technical risk management.

• Collaborate with stakeholders on roadmap and criteria.

Must Haves:

• 8+ years of experience in a Full-Stack role.

• Expertise in C#/.NET and solid backend design principles.

• Proven Azure architecture experience.

• Advanced SQL Server skills.

• Strong React experience.

Nice to Have:

• Experience with Kubernetes and Terraform.

• Advanced knowledge of Power BI.

• Familiarity with Databricks/Spark for processing.

• Experience with event-driven integrations.

Other Details:

• Location: Kraków, hybrid work environment.

• Contract type: Contract, with working hours from 09:00-17:00 CET.