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Senior C# Software Developer Lead

United States, Margate · Job Posted April 16, 2026
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Job Description

We are seeking a Senior C# Software Developer Lead to design, build, and lead the development of high‑quality enterprise applications. This role combines hands‑on development with technical leadership, ensuring scalable, secure, and maintainable solutions while mentoring developers and guiding technical decisions across projects.

Job Responsibility

  • Lead the design and development of complex software solutions using C# and the .NET ecosystem (.NET Core / .NET 6+)
  • Architect scalable, high‑availability, and performance‑driven applications
  • Serve as a technical authority, driving best practices in coding standards, architecture, and software design patterns
  • Guide and mentor developers through code reviews, technical coaching, and knowledge sharing
  • Collaborate closely with product managers, architects, QA, and DevOps teams to translate business requirements into technical solutions
  • Oversee technical delivery, ensuring timelines, quality, and maintainability are met
  • Troubleshoot and resolve complex application, performance, and production issues
  • Advocate for continuous improvement in development processes, tooling, and system architecture
  • Contribute to long‑term technical strategy and platform modernization initiatives

Requirements

  • 5+ years of professional software development experience, with strong hands‑on expertise in C#
  • Proven experience leading or mentoring development teams in an enterprise environment
  • Strong experience with .NET Core / .NET Framework, ASP.NET, Web APIs, and RESTful services
  • Solid understanding of object‑oriented design, SOLID principles, and common design patterns
  • Experience with relational databases (SQL Server preferred) and ORM tools such as Entity Framework
  • Strong grasp of software development lifecycle (SDLC), Agile/Scrum methodologies, and CI/CD practices
  • Experience with source control systems (Git, Azure DevOps, or similar)

Nice to have

  • Experience with cloud platforms such as Azure or AWS
  • Knowledge of microservices, event‑driven architecture, and containerization (Docker/Kubernetes)
  • Exposure to frontend frameworks (Angular, React, or similar) is a plus
  • Experience with performance tuning, application security, and scalability strategies
  • Background working on large‑scale, distributed, or mission‑critical systems

What we offer

  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan

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