Spectrum One · 23 hours ago
Senior Full Stack .NET Developer (Full-time or Part-time) (Remote)
United States
Full-time, Part-time
Remote
Senior LevelSpectrum One is a company focused on providing top-notch software development services to startups and multinational corporations worldwide. They are seeking a seasoned Senior .NET Developer to join their core engineering team, responsible for bridging the gap between established enterprise systems and next-generation applications.
DevOpsSoftwareUX DesignWeb Development
Responsibilities
Develop & Maintain: Support and enhance existing legacy applications built on .NET Framework 4.8 (MVC) while ensuring stability and performance
Modernize & Migrate: Lead initiatives to port modules and functionalities from legacy frameworks to .NET 8+, utilizing EF Core
Database Optimization: Write, analyze, and optimize complex T-SQL scripts, stored procedures, and triggers. You will be responsible for tuning performance in high-transaction environments
Full-Stack Implementation: Build responsive and user-friendly interfaces using Bootstrap 5, utilizing jQuery for DOM manipulation in legacy views and modern vanilla JS/Blazor for new components
Architecture & Mentorship: Guide junior developers on best practices for both ORMs (EF6 and EF Core) and conduct code reviews to ensure clean, maintainable architecture
Qualification
Required
Deep expertise in C# and .NET Framework 4.8 (ASP.NET MVC)
Strong proficiency in .NET 8+ (Core) for new API and service development
Extensive experience with Entity Framework 6 (edmx, database-first, or code-first workflows)
Proven experience implementing EF Core 8+ in a modern dependency-injection environment
Advanced T-SQL scripting skills (stored procedures, views, indexing, execution plans) on Microsoft SQL Server
Solid grasp of jQuery for maintaining and extending existing client-side logic
Proficiency in Bootstrap 5 for building responsive, mobile-first layouts
Preferred
Experience with Azure or AWS cloud services (App Services, SQL Azure)
Knowledge of modern JavaScript frameworks (Vue.js, React, or Angular) to assist in future frontend migrations
Experience with CI/CD pipelines (Azure DevOps, GitHub Actions)
Understanding of Dependency Injection (DI) patterns in both legacy and modern .NET
Benefits
Competitive pay
Permanent work-from-home setup
Monthly virtual social activities (movie nights, game nights, kapihan sessions, knowledge sharing, etc.)
Annual company-wide face-to-face year-end celebrations
Quarterly face-to-face chill-outs with your team
Birthday treats, care packages, free vaccinations, etc.
Company
Spectrum One
Spectrum One is a software development company that provides web and mobile applications, UI/UX design, cloud, and devops services.
Founded in 2015
11-50 employees
Funding
Current Stage
Early StageLeadership Team
Nadine Jamila
Founder & Managing Partner
Company data provided by crunchbase