Trainee Fullstack Software Engineer .NET
Veröffentlicht am 27/08/2026
Deloitte Luxembourg
Your future team
Join our Digital Factory, a multidisciplinary team where technology professionals and business experts work together to build high-impact digital solutions for the financial sector. We develop modern, data-driven products in an Agile environment, with strong collaboration, continuous learning, and a shared focus on quality and client value.
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The advantages of joining us
- Innovative work that matters
- Build data-intensive applications using modern technologies, engineering standards, and AI-enabled tooling.
- Career growth, your way
- Benefit from continuous learning opportunities, coaching, and a clear development path from junior to more senior roles.
- Global impact, local connections
- Work on international projects and collaborate with diverse teams, all while making an impact locallyÂ
- Inclusive, flexible culture
- Embrace a culture where your voice matters, with flexible hours to balance work and life seamlessly.
- Collaborative team spirit
- Work hand in hand with financial experts and business teams in a dynamic, startup-minded environment.
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How you’ll contribute to our successÂ
- Design, develop, and maintain robust full-stack applications with a strong focus on software engineering fundamentals in a financial services context (banking, investment funds, etc.).
- Build and optimize data-intensive solutions, APIs, and processing workflows using C#/.NET and SQL Server.
- Create intuitive and scalable user interfaces with React and related ecosystem tools.
- Apply Agile practices in day-to-day delivery, including sprint planning, collaboration, and continuous improvement.
- Promote quality across the development lifecycle through clean code, testing, CI/CD, and transparent communication on scope, progress, and delivery risks.
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Your skills
- University degree in Computer Science, Software Engineering, or another relevant field.
- Fluent English is required. French is considered an asset.
- C#/.NET (Core), SQL/relational databases, and front-end development with React
- Experience with API design/integration, test automation and CI/CD practices, and interest in AI-related tools and use cases are considered assets.
- Collaborative mindset with strong team spirit and knowledge-sharing attitude.
- Clear communication skills and ability to build trusted relationships with technical and business stakeholders.
- Analytical thinking, proactive problem-solving, and adaptability in a changing environment.