Digital Factory - Tech Lead - Backend (.NET) - Assistant Director
Ernst and Young3 days ago
Luxembourg (city not specified)Staff+
Responsibilities
- Serve as the primary technical authority for backend engineering and lead significant solution-design and implementation decisions across multiple initiatives.
- Set technical direction for .NET backend services, APIs, integrations, domain logic, persistence, error handling, and distributed-system patterns.
- Provide hands-on support for complex engineering challenges and guide delivery from discovery and design through testing, deployment, operation, and continuous improvement.
- Establish engineering standards, reusable patterns, code-review practices, automated testing, CI/CD, observability, documentation, and technical debt management.
- Ensure backend services meet security, reliability, scalability, performance, maintainability, supportability, and production-readiness requirements.
- Support incident investigation, root-cause analysis, performance diagnosis, and durable remediation of production issues.
- Mentor Senior, Mid-level, and Junior Engineers through design reviews, pairing, coaching, technical demonstrations, and communities of practice.
- Collaborate with architecture, platform, security, privacy, risk, product, and delivery stakeholders on roadmaps, modernization, governance, and technical decisions.
Requirements
- Bachelor’s or master’s degree in Computer Science, Software Engineering, Information Technology, or a related field.
- At least 9 years of overall professional experience.
- Extensive hands-on experience designing, building, and operating enterprise backend applications and APIs.
- Strong expertise in C#, ASP.NET Core, Entity Framework Core, SQL, and automated testing.
- Strong understanding of API design, domain-driven design, integration patterns, distributed systems, CI/CD, observability, security, and production operations.
- Experience with Azure application, storage, identity, messaging, secrets, and monitoring services.
- Experience diagnosing application performance, reliability, and production issues using logs, metrics, traces, and profiling tools.
- Proven experience leading technical design, mentoring engineers, and resolving complex delivery challenges without formal line-management authority.
- Experience with .NET 8 or later, .NET Aspire, Testcontainers, and modern integration-testing practices is preferred.
- Experience with Azure Web Apps, Azure SQL, Blob Storage, Service Bus, Key Vault, Application Insights, Kubernetes, containerized workloads, event-driven architecture, and asynchronous messaging is preferred.
- Experience defining reusable backend standards, reference implementations, and modernization roadmaps is preferred.
- Experience in a regulated, governance-driven, or professional services environment is preferred.
- Fluency in written and spoken English and strong communication, stakeholder-management, and technical decision-making skills are required.
Benefits
- Flexible work environment with future-focused skills development and world-class experiences.
- Diverse and inclusive culture with globally connected teams.
- Employment is contingent upon successful completion of a background check and pre-screening requirements.
- Disability-related adjustments or accommodations can be requested during the recruitment process.
Tech Stack
Categories
About Ernst and Young
Ernst & Young (EY) provides audit/assurance, tax, consulting, strategy and transactions services to enterprises, financial institutions, and public‑sector clients. Structured as a global network of partner‑owned member firms, it sells professional services on a fee basis, including a dedicated Financial Services Organization for banking, insurance, and capital markets. Headquartered in London, EY was formed in 1989 from the merger of Ernst & Whinney and Arthur Young, and operates in 150+ countries.