Senior Dotnet Developer

On behalf of our client, Dice Talent Solutions is seeking a Senior .NET Developer to guide the technical direction of our client’s product. In this role, you’ll deliver scalable and reliable applications, contribute to architectural decisions, and ensure engineering excellence across our client’s platform while mentoring developers.

This is a full-time (direct hire) hands-on team leadership role where you’ll balance coding, design, and strategy, including the responsible use of AI-assisted development tools to improve developer productivity, code quality, and delivery speed, while enabling the growth of the team.

This full-time (direct hire) position is based out of Chantilly, VA and works a HYBRID schedule, with Tuesdays and Thursdays as telework days.

Candidates must be able to work on our client’s W2 (annual salary + benefits package). No visa sponsorship or transfers are available. No 3rd party Corp to Corp inquiries will be considered.

Key Responsibilities:

• Lead the design, development, and maintenance of product features/enhancements.
• Collaborate with architects and product stakeholders to define technical direction.
• Mentor and guide developers, ensuring adherence to best practices and coding standards.
• Build and optimize RESTful APIs with service-oriented architectures.
• Establish best practices for using AI-assisted tools in daily development (e.g., code generation, refactoring, test creation, documentation, and design exploration).
• Review, validate, and curate AI-generated output to ensure it meets architectural, security, and quality standards.
• Leverage AI tools to accelerate planning, estimation, and technical discovery while maintaining strong engineering judgment and ownership.
• Continuously evaluate new AI-driven development workflows and tools to improve team productivity and software quality.
• Oversee front-end integration with back-end services.
• Drive the adoption of patterns such as Domain Driven Design, CQRS, and Event-Driven Architecture.
• Ensure code quality through testing (unit, integration, and automation).
• Identify and resolve performance bottlenecks across applications and databases.
• Champion secure coding practices and modern development techniques.

Required Experience & Skills:

• 10+ years of experience designing and developing scalable web applications.
• Strong expertise in C# and ASP.NET.
• Proven experience with RESTful APIs and service-oriented architecture.
• Experience leading development teams.
• Proficiency in front-end technologies (Angular, JavaScript, HTML5).
• Experience with Entity Framework or similar ORM tools.
• Knowledge of Dependency Injection (IoC containers such as Ninject, Autofac).
• Familiarity with event messaging solutions (e.g., NServiceBus).
• Proficiency in SQL Server, MongoDB, or similar large-scale databases.
• Experience using AI-assisted development tools (e.g., Codex, Opus, or Copilot-style agents) for coding, refactoring, test generation, and technical planning.
• Understanding of how to validate, review, and govern AI-generated code to meet quality, security, and maintainability standards.
• Strong grasp of performance tuning and optimization.
• Excellent communication skills and ability to collaborate across teams.

Development Process

• Knowledge of Agile/Scrum methodologies.
• Experience with CI/CD tools such as GitHub, Jira, Octopus, etc.
• Experience using AI-assisted tools as part of the development lifecycle for design exploration, implementation, testing, and documentation.
• Active participation in backlog grooming and sprint planning.
• Ownership of features from “Ready” to “Done.”

Personal Qualities

• Proactive, self-starter who drives initiatives forward.
• Strategic thinker with a focus on scalability and maintainability.
• Strong leader who values team success as much as personal success.
• Thrives in a fast-paced environment with frequent feature releases.

Preferred

• Familiarity with modern DevOps practices (CI/CD pipelines, Bamboo, Jira, GitHub).
• Knowledge of cloud platforms (AWS, Azure) and deployment strategies.
• Experience with mobile development or cross-platform solutions.