Lead Associate - .NET

Key Responsibilities

• Design, develop, and maintain high-quality .NET applications and services aligned to agreed architecture and squad delivery priorities.
• Implement APIs, domain services, background workers, and integration components using clean architecture principles.
• Write clean, maintainable, secure C# code following SOLID principles, Domain-Driven Design concepts, design patterns, and agreed engineering standards.
• Develop data access layers, persistence strategies, and SQL Server / Entity Framework solutions that support performance, reliability, and maintainability.
• Build containerised and event-driven components where appropriate, supporting scalable and resilient platform capabilities.
• Create and maintain automated tests across unit, integration, contract, and service layers, applying TDD where appropriate.
• Contribute to CI/CD pipelines, build quality gates, automated deployment, environment configuration, and release readiness.
• Support observability, resilience, logging, monitoring, alerting, and performance tuning for back-end applications and services.
• Apply secure coding practices across APIs, authentication, authorisation, data handling, dependency management, and service-to-service communication.
• Act as a senior engineer within the squad, modelling good engineering discipline, ownership, and pragmatic problem-solving.
• Support and mentor junior and mid-level developers through code reviews, pairing, design discussion, and constructive technical guidance.
• Contribute to shared back-end standards, templates, service patterns, and clean architecture practices.
• Support recruitment and onboarding activities where back-end engineering input is required.
• Diagnose, troubleshoot, and resolve complex back-end issues affecting delivery, quality, performance, integration, or production stability.
• Work with Architects, Lead Engineers, Front End Engineers, QA, and Platform Engineers to resolve cross-cutting technical problems.
• Contribute to improvements in shared back-end libraries, frameworks, and platform components where required.