Kristijan Kralj

Senior Software Engineer

13 yrs 6 mos experience
Highly Stable

Key Highlights

  • Expert in designing scalable and maintainable APIs.
  • Proficient in secure-by-design practices for .NET applications.
  • Strong background in Azure services for backend development.
Stackforce AI infers this person is a Backend-focused developer with expertise in .NET and Azure technologies.

Contact

Skills

Core Skills

.netMicrosoft Azure

Other Skills

ASP.NET CoreAzure DevOps ServicesAzure App ServiceAzure Storage AccountAzure SQLAzure BatchAzure Service BusAzure Service FabricC#ASP.NET Web formsVue.jsJavaScriptMSSQLXamarin.FormsHTML5

About

Imagine feeling confident about the .NET solutions you build. You build systems you’re proud of. You understand the architecture instead of duct-taping features onto legacy code. You make confident technical decisions instead of guessing or copying patterns from random blog posts. You grow into senior and architect roles without burning nights and weekends. That's the kind of developer I help create. Most .NET developers hit the same wall: • Codebases become messy and fragile • Architecture decisions feel unclear • Testing slows everything down • Cloud and security expectations keep rising • Career growth stalls despite years of experience The way to fix this is by learning how professional systems are designed, structured, tested, secured, and evolved in the real world. That's where I come in. I post practical tips for backend .NET developers who want to level up into senior, tech lead, and architect roles. My work focuses on: ✓ Designing scalable and maintainable APIs ✓ Writing testable, production-ready C# ✓ Secure-by-design practices ✓ Azure fundamentals that actually matter on the job ✓ Making confident architecture decisions If you're a .NET developer who wants to stop feeling stuck and start building systems with confidence, you’re in the right place.

Experience

Keeper solutions

Senior Software Developer

Oct 2025Present · 5 mos

Borealis

2 roles

Senior Software Developer

Aug 2023Oct 2025 · 2 yrs 2 mos

  • Developing a backend for the booking web application using .NET 8.
ASP.NET Core.NET

.NET Backend Lead

Nov 2021Jul 2023 · 1 yr 8 mos

  • .NET backend lead on a project for developing digital asset management software. Day-to-day activities include working with various Azure services (Azure App Service, Azure Storage Account, Azure SQL, Azure Batch, Azure Service Bus, Azure Service Fabric), designing new features, and helping other team members to be more productive.
Azure DevOps ServicesMicrosoft Azure

Keeper solutions

Senior Software Developer Team Lead

Aug 2015Nov 2021 · 6 yrs 3 mos · Varaždin

  • Leading a team in charge of developing financial accounting software. Code stack includes ASP.NET Web forms, Vue.js, JavaScript, MSSQL, and Xamarin.Forms (iOS and Android app for the expense tracking - MVVM pattern).
  • Engaged in continuous communication with the core team located in Dublin, Ireland.
  • Day to day tasks include code reviews, writing tests and improving the existing system design.
.NETC#

Ekobit

Software Developer

Aug 2012Aug 2015 · 3 yrs · Varaždin

  • Participation in several larger projects using Microsoft technologies Windows Forms, WPF, MS Access. Using MVVM in WPF application. Developed a cross-platform mobile app using HTML5 and jQuery Mobile. Achieved several Microsoft development certificates.
.NETC#

Education

Faculty of organization and informatics, Varaždin

Master of Informatics — Information Technology

Jan 2010Jan 2012

Technology park Varaždin

YICT (Young Innovative Career Trackers) — specialized ICT educations

Jan 2011Jan 2012

Faculty of organization and informatics, Varaždin

Bachelor of Informatics — Information Technology

Jan 2007Jan 2010

Technical School Sisak

Technician for computer science

Jan 2003Jan 2007

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