On site
Full time
Your future team
Join our Digital Factory at Deloitte Luxembourg — a multidisciplinary team of ~85 technology professionals and financial domain experts working together to build high-impact digital solutions for the financial sector. We develop modern, data-driven products serving clients in banking, investment funds, and asset management, in a collaborative Agile environment with a strong focus on engineering quality and continuous improvement.
As a Senior Engineer, you will be a key technical pillar of the team – owning solutions end-to-end, shaping our engineering practices, and helping grow the people around you.
Your advantages of joining us
Global reach, local roots
Contribute to international projects and collaborate with diverse teams across Deloitte's global network, all while being anchored in Luxembourg – one of Europe's leading financial centers.
Flexible, inclusive culture
We trust our people. Enjoy flexible hybrid working arrangements, a culture where your voice genuinely shapes how we work, and a team that values both performance and wellbeing.
How you'll contribute to our success
Engineering & Architecture
• Architect, develop, and own robust full-stack applications from concept to production, with a strong focus on scalability, resilience, and maintainability in a financial services context
• Design and implement high-performance, data-intensive APIs, processing workflows, and integrations using C#/.NET and SQL Server
• Define and apply sound architectural patterns (e.g., clean architecture, CQRS, event-driven design) appropriate to the problem at hand
• Build scalable, performant user interfaces with React, applying strong component architecture and state management best practices
Quality & Engineering Standards
• Define, promote, and enforce engineering standards across the team: code reviews, testing strategies (unit, integration, E2E), and CI/CD pipeline ownership
• Own non-functional requirements including performance, security, and observability
• Proactively identify technical debt and drive pragmatic remediation plans
Leadership & Collaboration
• Act as a technical mentor for junior and mid-level engineers, supporting their growth through pairing, feedback, and knowledge sharing
• Lead technical discussions and drive consensus across engineers and business stakeholders
• Translate complex business requirements into clear, actionable technical designs
• Contribute to hiring by participating in technical interviews and candidate assessments
• Communicate delivery risks, scope, and progress transparently to the team and project leads
Agile & Continuous Improvement
• Champion Agile best practices within the team, contributing to sprint ceremonies with a focus on sustainable delivery and continuous improvement
• Propose and implement improvements to team processes, tooling, and ways of working
Your skills
Interested? Please submit your resume in English
Get to know more about Deloitte on our LinkedIn page (#DeloitteLU), Instagram page, YouTube page or website
With more than 2,600 employees and 98 nationalities, Deloitte Luxembourg is one of the Grand Duchy's largest, strongest and oldest professional services firms. For more than 75 years, our talented teams have been serving clients in various industries delivering high added-value offerings to national and international clients in audit and assurance, consulting, financial advisory, risk advisory, tax, and related services. Deloitte Luxembourg is part of the global Deloitte network.
Deloitte provides leading professional services to nearly 90% of the Fortune Global 500® and thousands of private companies. Our people deliver measurable and lasting results that help reinforce public trust in capital markets and enable clients to transform and thrive. Building on its 180+-year history, Deloitte spans more than 150 countries and territories. Learn how Deloitte’s over 470,000 people worldwide work together every day to make an impact that matters at www.deloitte.com.
Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we.
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