Senior Software Engineer: Enterprise SaaS, AI & Azure

UAB-Online; Mijdrecht; On-site; EUR 90,000 - 130,000; Full time

Job summary

UAB-Online is seeking a senior software engineer to design, build, and evolve our enterprise SaaS platform using C# and .NET. You will drive modernization, shape architecture, and lead critical reviews across Product and QA teams.

You will explore AI-assisted development and implement automation to improve delivery. The role requires ownership mindset and strong collaboration across functions, with impact on global maritime customers.

Qualifications

• Strong experience with C#, .NET, ASP.NET, and Entity Framework.
• Experience building and maintaining enterprise-scale applications.
• Knowledge of Clean Architecture, SOLID principles, and design patterns.
• Experience modernizing legacy systems and improving existing platforms.
• Hands-on experience with Azure and modern CI/CD practices.
• Experience with automated testing and software quality practices.
• Interest in AI-assisted development or AI-powered applications.
• Strong communication skills and a collaborative mindset.
• A proactive, ownership-driven approach to software engineering.

Responsibilities

• Design, build, and enhance enterprise SaaS applications using C# and .NET.
• Drive platform modernization and help evolve our architecture.
• Lead code reviews and promote engineering best practices.
• Identify opportunities to leverage AI across engineering workflows and product development.
• Introduce, evaluate, and improve AI-assisted development practices, coding agents, and automation tools.
• Build reliable, scalable, and maintainable solutions using Clean Architecture and SOLID principles.
• Develop and optimize CI/CD pipelines and deployment processes.
• Implement automated testing strategies across the development lifecycle.
• Work with Azure cloud services and modern DevOps tooling.
• Collaborate closely with Product, UX, QA, Cloud, and Frontend teams.
• Identify opportunities to reduce technical debt and improve delivery efficiency.
• Take ownership of features from concept through production.

Skills

C#

.NET

ASP.NET

Entity Framework

Clean Architecture

SOLID principles

Azure

CI/CD

Automated testing

AI interest

Design patterns

Communication

Ownership

Job description

UAB-Online is seeking a senior software engineer to design, build, and evolve our enterprise SaaS platform using C# and .NET. You will drive modernization, shape architecture, and lead critical reviews across Product and QA teams.

You will explore AI-assisted development and implement automation to improve delivery. The role requires ownership mindset and strong collaboration across functions, with impact on global maritime customers.