Junior Fullstack Software Engineer (.NET & React)

About the role

Join the Digital Factory at Deloitte Luxembourg as a Junior Fullstack Software Engineer. You will work on data‑intensive financial applications, collaborating with technology experts and business specialists in an Agile environment.

Key responsibilities

• Design, develop and maintain full‑stack applications using C#/.NET Core, SQL Server and React.
• Build and optimise APIs and data processing workflows for banking and investment fund services.
• Create intuitive, scalable user interfaces with React and related ecosystem tools.
• Apply Agile practices such as sprint planning, continuous improvement and transparent communication.
• Ensure code quality through clean coding standards, automated testing, CI/CD pipelines and documentation.

Required profile

• University degree in Computer Science, Software Engineering or a related field.
• Fluent English; French is a plus.
• 0‑5 years of software development experience, including internships or graduate projects.
• Collaborative mindset with strong communication and problem‑solving abilities.

Required skills

• C#
• .NET Core
• SQL Server
• React
• API design and integration
• Test automation
• CI/CD practices

What we offer

• Opportunity to work on modern, data‑driven solutions for the financial sector.
• Continuous learning, coaching and a clear career path from junior to senior roles.
• International projects with diverse, inclusive teams.
• Flexible hours and an onsite work environment that balances professional and personal life.