Senior .NET Backend Developer (6–10 Years)
Location : Remote
Role Type : Contract
Job Overview
We are seeking an experienced Senior .NET Backend Developer to lead the modernization of an existing Ruby on Rails platform into a robust .NET 6+ / ASP.NET Core microservices architecture . The ideal candidate will take ownership of backend design, API development, database migration, CI / CD enhancements, and technical mentorship.
Key Responsibilities
- Lead the migration from Ruby on Rails to a .NET 6+ / ASP.NET Core architecture.
- Design and build scalable RESTful APIs , microservices, and backend systems.
- Drive database migration, performance tuning, and schema optimization (SQL Server / PostgreSQL).
- Build and maintain CI / CD pipelines using Azure DevOps .
- Mentor junior backend developers and support team growth.
- Use AI-assisted tools such as GitHub Copilot and Windsurf to enhance productivity.
- Participate in Agile ceremonies including sprint planning, standups, and retrospectives via Jira.
Required Skills & Experience
6–10 years of hands-on backend development experience.Expertise in C#, .NET 6+ / ASP.NET Core, Entity Framework Core .Strong understanding of Ruby on Rails applications and migration workflows.Deep experience in relational databases ( SQL Server, PostgreSQL ).Strong command of Azure DevOps CI / CD pipelines.Experience using AI coding tools (Copilot, Windsurf, or similar).Excellent communication, leadership, and mentoring skills.