Location: Remote
Employment Type: Full-Time
Experience Required: 8+ Years in .NET Development & Enterprise Systems
Urgency: Immediate

Role Overview:

We are seeking a highly experienced Senior .NET Developer with a strong background in enterprise application development and a proven track record of migrating complex, mission-critical systems from legacy .NET frameworks to contemporary architectures.
The ideal candidate will have worked extensively within large ERP ecosystems and integrated suite environments and will bring both technical depth and the confidence to lead migration projects end-to-end — from initial assessment through to deployment and post-go-live stabilization — with minimal risk to live operations.

Key Responsibilities:

Migration & Modernisation
• Lead end-to-end migration of applications from .NET Framework (2.x–4.x) to .NET 6 / 7 / 8, ensuring zero-downtime transitions for live production systems
• Assess legacy codebases for migration feasibility, technical debt, and risk exposure
• Refactor monolithic applications into modular,



maintainable architectures (microservices, layered, or domain-driven design)
• Upgrade data access layers from ADO.NET / Entity Framework 4–6 to EF Core
• Migrate WCF services to gRPC or RESTful APIs using ASP.NET Core
• Use Microsoft Upgrade Assistant and compatibility tooling to plan and execute structured migrations
Enterprise & ERP Systems
• Design and develop integrations with ERP platforms (SAP, Microsoft Dynamics 365, Oracle, or equivalent enterprise suites)
• Build and maintain backend services underpinning business-critical operations — finance, supply chain, procurement, and HR modules
• Collaborate with ERP functional consultants to translate business requirements into robust technical solutions
• Manage complex data migrations between ERP versions and third-party systems Mission-Critical System Development
• Develop and maintain high-availability, fault-tolerant applications operating under stringent SLA require

📌 Senior .NET Developer (India)
🏢 Qubryx
📍 India