Summary: Seeking a Lead .NET Developer with React expertise to guide engineering efforts in modernizing and enhancing software solutions as a full-stack professional. Highlights: 1. Lead engineering efforts in modernizing and enhancing software solutions. 2. Drive new feature creation and improve legacy systems with .NET, C#, React. 3. Promote best practices like TDD, fast builds, and automated releases. We are seeking a **Lead .NET Developer** with React expertise to guide our engineering efforts in modernizing and enhancing our software solutions. This full\-stack role demands deep expertise in .NET, C\#, and React, focusing on new feature creation and improving legacy systems. **Responsibilities** * Write, review, and optimize code in .NET, C\#, and React for feature development and modernization tasks * Refactor legacy application components to enhance performance and maintainability * Plan migration strategies to shift functionalities to modern platforms or architectures * Identify and plan the removal of outdated components * Ensure data consistency and smooth transitions during migration * Document decommissioning steps to minimize disruptions to business operations * Adopt modern design patterns, frameworks, and best practices * Maintain clear technical documentation for migration, modernization, and decommissioning efforts * Report updates and challenges to stakeholders * Use engineering best practices such as component reusability, modularity, separation of concerns, and performance improvements * Set an example in delivering small, iterative user stories through trunk\-based development * Encourage a culture of collaboration, shared quality ownership, and test\-driven development (TDD) * Support fast builds, automated releases, and production\-ready code with observability, resilience, and security **Requirements** * 5\+ years of experience in software engineering with strong focus on back\-end development * Expertise in ReactJS, .NET, and C\# * Background in building event\-driven architectures and loosely coupled services * Competency in working with teams to establish observability standards using tools like DataDog, Splunk * Familiarity with CI/CD environments with an understanding of deployment pipelines and version control workflows * Proven experience transitioning from monolithic systems to microservices during modernization efforts * Fluent communication skills in English at a B2\+ level