Junior-Senior Full Stack Software Engineer… at InventYOU AB · Athens

We are looking for Full Stack Software Engineers across Junior, Mid, and Senior levels to design, develop, test, and maintain end-to-end enterprise applications.

You will work across both front-end and back-end layers using React, React Native, .NET, C#, Azure, and SQL Server, contributing throughout the complete software development lifecycle.

Key Responsibilities

• Develop and maintain full-stack applications

• Design and implement front-end and back-end components

• Build and consume APIs and integration services

• Design and optimize database solutions

• Participate in solution design and technical reviews

• Support deployment, maintenance, and continuous improvement

• Produce and maintain technical documentation

• Professional full-stack development experience appropriate to the seniority level

• Strong knowledge of HTML5, CSS3, JavaScript, and TypeScript

• Experience with React and React Native

• Experience with .NET Framework, .NET, and C#

• Knowledge of VB.NET for legacy applications

• Experience with Microsoft Azure and SQL Server

• REST API development experience

• Git-based source control

• Experience with AI-assisted software development

• Proficiency in Greek and English

Seniority levels: Junior: 1+ years | Mid: 3+ years | Senior: 5+ years. Senior candidates should have enterprise solution design experience and strong knowledge of architecture, security, and integrations.

Nice to Have

• Microservices architecture
• CI/CD pipelines
• Automated testing
• Agile software delivery

You will be a great candidate for us if you

• Enjoy working across the complete technology stack
• Can translate requirements into reliable end-to-end solutions
• Write clean and maintainable code
• Enjoy solving complex technical challenges

Why join inventYOU

• Work across modern React, .NET, Azure, and SQL technologies
• Contribute throughout the full software development lifecycle
• Work on complex enterprise applications
• Continue expanding both your front-end and back-end expertise