Senior .NET Full-Stack Engineer — Azure & CI/CD

Jacobs; Kraków; Hybrid; PLN 180,000 - 270,000; Full time

Benefits offered by this job

Lux Med

Life insurance

Multisport card

My Benefit cafeteria system

Car/bike parking

Co-financed holidays

Global projects

Diversity networks

Continuous learning

Language courses

Job summary

Jacobs in Kraków is seeking a Senior Full Stack .NET Developer to design, build, and deliver high-quality software across multiple applications. You will own features end-to-end, collaborate with Product Owners and Scrum teams, and drive architecture discussions and process improvements.

The role requires 5+ years in C#/.NET, Azure, Blazor, and API-centric development within Agile teams. Hybrid work from Kraków/Warsaw with extensive global projects and strong emphasis on code quality and DevOps.

Qualifications

• 5+ years of experience designing and developing C# / .NET solutions in complex environments.
• Experience building applications based on API architectures for multiple clients (web, desktop, mobile, plugins)
• Practical Experience with Blazor, ASP.NET MVC, Razor
• Proven experience with Microsoft Azure (Functions, App Services, Azure SQL, DevOps, CI/CD)
• Solid expertise in SQL, data modeling, optimization, and query tuning
• Knowledge of Git and modern branching strategies
• Familiarity with Clean Architecture principles, separation of layers, and design patterns (CQRS, Mediator, Repository)
• Experience working in Agile teams and strong communication skills

Responsibilities

• Independently manage priorities and deliver work across multiple applications and initiatives
• Analyze, understand, and enhance existing codebases, including unfamiliar solutions
• Support other developers through technical guidance, knowledge sharing, and code reviews
• Support the Software Engineering Manager and Solution Architect in defining the shared tech stack and development best practices
• Advise development teams on solution design, technical debt assessment, and continuous process improvement
• Ensure high code quality through code reviews, standards alignment, and CI/CD pipeline improvements
• Translate business requirements into technical solutions
• Support solution design activities user stories, effort estimation, API design, and architectural decisions
• Contribute to replatforming and refactoring of existing systems
• Work end-to-end on new applications (backend + frontend) within the approved .NET stack
• Support sprint planning, estimation, and task breakdown for development teams
• Contribute to DevOps processes, automation of CI/CD, and organization of testing and UAT
• Provide technical guidance, resolve blockers, and mentor other developers

Skills

C# / .NET

API architectures

Blazor

ASP.NET MVC

Razor

Azure

Azure SQL

DevOps CI/CD

SQL

Git

Clean Architecture

Agile teams

Job description

Jacobs in Kraków is seeking a Senior Full Stack .NET Developer to design, build, and deliver high-quality software across multiple applications. You will own features end-to-end, collaborate with Product Owners and Scrum teams, and drive architecture discussions and process improvements.

The role requires 5+ years in C#/.NET, Azure, Blazor, and API-centric development within Agile teams. Hybrid work from Kraków/Warsaw with extensive global projects and strong emphasis on code quality and DevOps.