Junior-Senior Back-End Software Engineer (.NET)

We are looking for Back-End Software Engineers across Junior, Mid, and Senior levels to design, develop, and maintain scalable, secure, and reliable enterprise applications.

You will work primarily with C#, .NET, SQL Server, Azure, and REST APIs, contributing to server-side applications, integrations, databases, and modern enterprise solutions.

Key Responsibilities

• Design and develop back-end services and APIs
• Build and maintain enterprise applications and integrations
• Develop database objects, queries, and data-processing components
• Implement secure and scalable application architectures
• Troubleshoot application and performance issues
• Participate in code reviews and technical design activities
• Support application deployments and operational activities
• Produce and maintain technical documentation

Requirements

• Professional experience with C# and .NET technologies appropriate to the seniority level
• Experience with .NET Framework and .NET
• Knowledge of VB.NET for legacy applications
• Experience with Microsoft SQL Server
• Knowledge of Azure platform services
• Experience developing REST APIs
• Git-based source control experience
• Experience with AI-assisted software development tools and practices
• Proficiency in Greek and English

Seniority levels: Junior: 1+ years | Mid: 3+ years | Senior: 5+ years. Senior profiles should have strong enterprise application architecture and integration experience and be able to contribute to technical leadership and mentoring.

Nice to Have

• Microservices architecture
• Message-based integration solutions
• CI/CD pipelines
• Container technologies

You will be a great candidate for us if you

• Enjoy designing reliable and scalable backend solutions
• Have a strong software engineering mindset
• Are comfortable working with APIs, databases, and enterprise integrations
• Take ownership of technical challenges and application quality

Benefits

Why join inventYOU

• Work on complex enterprise software solutions
• Develop your expertise across .NET, Azure, APIs, and databases
• Collaborate with experienced engineering professionals
• Gain exposure to modern application architectures and technologies