Senior Front End Developer

Beacon Technologies is seeking an experienced Senior Front End Developer (contract) for our client partner. This role will help modernize our client's existing ASP.NET 4.7 MVC/Kendo-based web UI and build new micro web UIs tailored for client-specific workflows. You will work closely with the existing frontend developer and backend engineers to accelerate delivery, reduce bottlenecks, and ensure smooth migration to ASP.NET

8.0 and modern frontend practices. This role is ideal for someone who has successfully transitioned legacy .NET/MVC applications to modern web stacks and enjoys solving both migration challenges and greenfield UI development.

• Legacy Modernization
  • Assist in porting ASP.NET 4.7 MVC + Kendo UI application to ASP.NET 8.0 with modern frontend practices.
  • Refactor front-end components, JavaScript, jQuery, and REST/SOAP-integrated UI workflows to more maintainable patterns.
  • Replace or modernize legacy UI libraries (e.g., Kendo UI, Ninject) where appropriate.
• New Micro-UIs
  • Develop lightweight micro frontend UIs for clients, each with tailored workflows.
  • Integrate with backend services via REST/SOAP APIs.
  • Ensure consistent styling, responsiveness, and usability across micro-apps.
• Collaboration
  • Work alongside backend engineers and our primary frontend developer to share knowledge and reduce bottlenecks.
  • Participate in design discussions and propose pragmatic solutions for UI/UX modernization.
  • Write clean, testable, and maintainable code with an eye toward long-term maintainability.

• Support Dev Ops and CI/CD efforts to streamline release processes.
• Provide occasional support for production incidents and escalations.
• Participate in user research and feedback loops to improve product usability.

• 5+ years of front-end experience across a range of technologies
• Proven track record of delivering production-ready applications in an enterprise or high-growth environment.

• Strong experience in C# and ASP.NET (MVC and Core/8.0) – must be comfortable bridging legacy and modern stacks.
• Frontend expertise with JavaScript/Type Script, jQuery, HTML5, CSS3, and frameworks.
• UI component libraries – experience with Kendo UI (Telerik) or similar libraries; ability to migrate away if needed.
• Familiarity with dependency injection frameworks (Microsoft.
  
  Extensions.
  
  Dependency Injection).
• Strong understanding of REST and SOAP service integration.
• Experience building modular/micro-frontend architectures.
• Solid understanding of cross-browser compatibility, responsive design, and accessibility.

• Works independently on complex tasks and projects with minimal supervision.
• Provides technical guidance and makes recommendations on frameworks, tools, and design approaches.
• Exercises judgment in balancing speed, quality, and scalability in development decisions.
• Escalates critical issues or risks but is expected to make day-to-day technical and coding decisions autonomously.

• Direct Reports:
  None (individual contributor role).
• Indirect Reports / Mentorship:
  Provides guidance and technical mentorship to junior developers.
• Budget Responsibility:
  None directly; may influence technology and tooling investments through recommendations.
• Impact:
  Contributes to the delivery of front-end and mobile applications that directly impact customer satisfaction, digital engagement, and revenue growth.

• Prolonged periods of sitting at a desk and working on a computer.
• Frequent use of hands and fingers to operate a computer keyboard, mouse, and related office equipment.
• Occasional reaching, bending, or lifting of office supplies or equipment (typically under 25 pounds).
• Regular visual attention and concentration when working with digital screens.
• Ability to occasionally move throughout the office to attend meetings or retrieve equipment.
• May occasionally need to set up, connect, or troubleshoot IT hardware which could involve crouching or kneeling.
• Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
• Regular visual attention and concentration when working with digital screens.
• Abil…