Lead Dotnet Developer

• Lead the technical design and development of the migration from Classic ASP to ASP.NET with Razor and C#.
• Analyze and understand the existing Classic ASP codebase, identify reusable logic, and plan efficient rewriting strategies.
• Reverse engineer existing Classic ASP codebase and generate requirement documentation for developers.
• Build scalable backend services using Entity Framework, Strong ADO.NET, LINQ, and SQL Server for high-performance data access and processing.
• Modernize front-end experiences with Razor views, integrating or replacing KendoUI components as needed.
• Ensure secure coding practices, maintain high code quality through code reviews, and follow Git/GitHub workflow practices.
• Collaborate with QA, DevOps, and UI/UX teams to ensure smooth deployment and performance optimization.
• Provide technical leadership and mentorship to mid/junior developers across onshore-offshore teams.

• Intermediate to Strong understanding in Classic ASP, VBScript, COM libraries.

• Strong expertise in ASP.NET MVC and Razor

  for building modern web applications with clean separation of concerns and maintainability.

• Advanced proficiency in HTML5, CSS3, JavaScript and responsive design

  , with hands-on experience implementing pixel-perfect, cross-browser-compatible UI.

• Skilled in developing reusable UI components

  using modular frontend practices and integrating or replacing legacy UI tools like KendoUI.

• Deep understanding of Object-Oriented Programming (OOP)

  and hands-on application of

  SOLID principles

  for scalable and testable code design.

• Strong grasp of design patterns (e.g., Repository, Factory, Dependency Injection)

  and their practical usage in ASP.NET-based layered architectures.

• Hands-on experience with dependency injection frameworks

  , such as built-in .NET Core DI container or third-party options (e.g., Autofac, Unity).

• Proficiency in implementing authentication and authorization mechanisms

  using ASP.NET Identity, OAuth2, OpenID Connect, or JWT-based security.

• Expertise in ADO.NET

  and LINQ for ORM-based data access and optimization in complex relational databases like SQL Server.

• Version control using Git and GitHub

  , with a solid understanding of branching, pull request workflows, and release management.
• Familiarity with

  build and deployment pipelines

  in CI/CD environments using Azure DevOps or GitHub Actions is a plus.
• Proficient in Agile Development, Story and Acceptance Criteria documentation, Story pointing, estimation and planning.
• Proficient in coding Unit Test in C#.

Required Soft Skills

• Strong analytical and problem-solving ability to deal with complex legacy systems and migration nuances.
• Excellent communication skills to coordinate with clients and distributed teams.
• Proactive leadership with the ability to guide a cross-functional team through ambiguous technical challenges.
• Attention to detail and commitment to quality and maintainable code.
• Adaptability and patience when working with outdated technologies during transformation.

Experience - 8+ years

Location - Noida / Hyderabad / Trivandrum (Hybrid Mode - 3 days from office)

Immediate joiners preferred !!

Please share CVs at ankit.kumar@celsiortech.com