Senior .NET Web Developer – Freelance/Part‑Time

About the role

Kaptn is seeking a Senior .NET Web Developer to join its remote team on a freelance or part‑time basis. You will work independently on ongoing web application projects, delivering high‑quality code while collaborating with project managers and stakeholders.

Key responsibilities

• Develop, maintain, and enhance web applications using ASP.NET Core and C#.
• Design and implement RESTful APIs and backend services.
• Optimize performance, security, and scalability of applications.
• Troubleshoot and resolve technical issues.
• Participate in code reviews and technical discussions.
• Collaborate with cross‑functional teams to understand business requirements and deliver milestones on time.

Required profile

• Minimum 6 years of professional .NET development experience.
• Ability to work independently and manage flexible hours (15–25 hours/week).
• Strong problem‑solving skills and attention to code quality.
• Effective communication for online meetings and project coordination.

Required skills

• C#
• ASP.NET MVC
• ASP.NET Core
• Entity Framework / EF Core
• SQL Server
• REST APIs
• HTML5, CSS3, JavaScript
• Git
• Front‑end frameworks (Angular, React, or Vue.js)
• Microsoft Azure (preferred)
• Docker & Kubernetes (preferred)
• CI/CD pipelines (preferred)
• Microservices architecture (preferred)

What we offer

• Competitive hourly or project‑based rate.
• Long‑term collaboration opportunities for the right candidate.
• Fully remote work environment with flexible scheduling.