BENGALURU · FULLTIME
Sr Software Engineer-WPF / MVVM / Dot Net
NeST Digital
Bengaluru · onsite · Posted 42d ago
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Undisclosed8–10 yrsfulltimeBengaluru
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Section · 01
About this role
We are seeking three Senior Software Developers to modernize a business-critical WPF application with significant technical debt. The role will focus on progressively refactoring tightly coupled legacy code into a modular, testable architecture using the MVVM pattern and a dedicated service layer, while enabling ongoing business feature development to continue.
Key Responsibilities
- Refactor legacy WPF modules and screens into a clean MVVM architecture with clear separation of concerns.
- Design and implement service-layer abstractions that decouple ViewModels from business logic and infrastructure dependencies.
- Apply dependency injection and inversion-of-control practices using suitable .NET containers, including Microsoft. Extensions. Dependency Injection where appropriate.
- Create and maintain automated unit tests using frameworks such as xUnit or NUnit, with mocking through Moq or equivalent tools.
- Preserve existing business behavior during incremental migration and support coexistence between legacy and modernized modules.
- Follow established code guidance, project folder structures, UML designs, and internal architectural governance.
- Use Visual Studio Code Metrics, code analysis capabilities, and SonarQube quality gates to track maintainability, complexity, standards compliance, and technical-debt reduction.
- Participate in code reviews, technical discussions, and delivery planning with internal technical leaders.
- Deliver production-quality code with minimal supervision and contribute immediately to the refactoring program.
Required Qualifications and Experience
- Strong professional experience developing desktop applications using C#, .NET, WPF, and XAML.
- Advanced hands-on expertise in MVVM, including data binding, commands, resources, UI lifecycle management, and ViewModel design.
- Practical experience with MVVM frameworks such as CommunityToolkit.Mvvm, Prism, or comparable frameworks.
- Deep understanding of dependency injection, interface-driven design, service abstractions, and IoC containers.
- Demonstrated experience refactoring complex, tightly coupled legacy applications into modular components.
- Strong unit-testing skills using xUnit or NUnit and mocking frameworks such as Moq.
- Hands-on experience with static code analysis and technical-debt management using SonarQube and Visual Studio tooling.
- Ability to interpret and implement architectural documentation, code standards, folder conventions, and UML diagrams.
- Proven ability to work independently in a senior engineering role and contribute with minimal technology ramp-up.
Preferred Attributes
- Experience modernizing large-scale or business-critical WPF applications through incremental migration.
- Familiarity with parallel refactoring strategies that allow feature development and modernization to proceed concurrently.
- Strong analytical, troubleshooting, and communication skills in a cross-functional engineering environment.
- Quality-first mindset with disciplined use of automated tests, code reviews, and measurable engineering metrics.
Delivery Context and Governance
The selected developers will operate as a dedicated delivery cell under internal technical governance. Architectural decisions, quality expectations, and migration priorities will be aligned with the designated technical leaders and existing internal documentation. The team is expected to onboard rapidly and begin meaningful code contribution without a technology learning curve.
Success Measures
- Progressive improvement of the application Maintainability Index toward a healthy target above 75/100.
- Reduction in cyclomatic complexity, coupling, and technical debt across migrated modules.
- Increased automated unit-test coverage and reliable protection of existing business logic.
- Compliance with SonarQube quality gates, code-style guidance, and architectural standards.
- More modular, stable, and testable software that supports faster future feature delivery.
Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.
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Section · 02
Skills
Software DeveloperSoftware EngineersonarqubeDependency InjectionDebtmvvmNUnitDebt ManagementDot Net CoreApplication Modernizationstatic code analysiscode analysisdesktop applicationsCommunication SkillsArchitecturecompliance
Section · Company
About NeST Digital
NeST Digital
IT Services & Consulting
3k+
employees
1998
28 years old
Kochi,Kerala
India
₹9.2L PA avg
Avg at NeST Digital
About
Engineering Transformation. NeST Digital is the software arm of the globally trusted NeST Group of companies. We combine our Specialized Manufacturing Services, Engineering Design and Software Services under one roof to provide transformative turnkey solutions to customers.Our core values make us who we are todayOur purpose and principles have shaped us into who we are today and they enable us to strive for greater heights. Every decision we make is closely aligned with our principles. These help us raise our bar, dive deep into challenges to achieve game-changing outcomes.Delivering top-notch industry specific solutions to customers ranging from small and medium to Fortune 500 enterprises. We primarily focus on Mobility, Healthcare, Industrial, Banking & Finance, & Insurance.
Industries
IT Services & Consulting
Employee ratings
10 reviews
3.6/ 5
Culture
2.5
Career growth
2.3
Work-life
2.9
Employees rate it well for
Work-Life Balance37Overall Company36
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