Job Description

About us:

Nyros is a Web & Mobile apps development agency with a global team of designers, developers and managers. Our goal is to expand opportunities for anyone to imagine, design, and make a better world.

Position Summary:

We are seeking an experienced

.NET Developer

to lead the migration of a large-scale

ASP.NET C# 4.0 Web Forms application

into a modern

ASP.NET Core MVC

architecture. The ideal candidate should have a strong background in legacy .NET Framework applications, deep knowledge of modern .NET Core, and experience in designing scalable, maintainable, and secure enterprise applications with a modern user interface.

Key Responsibilities:

Analyze the existing

ASP.NET Web Forms application (C# 4.0)

to understand functionality, dependencies, and architecture. Plan and execute the

migration strategy

from Web Forms to ASP.NET Core MVC. Redesign application components following

modern software design patterns (MVC, Repository, Dependency Injection, etc.)

. Migrate data access layer from

ADO.NET/legacy ORM

to

Entity Framework Core

or another modern ORM. Modernize the

UI/UX

using

Razor Pages, Blazor, or integration with front-end frameworks (React/Angular/Vue)

as required. Ensure

cross-platform compatibility

and deployment readiness on

Windows/Linux cloud environments (Azure, AWS, or on-premises)

. Optimize application performance, security, and scalability during migration. Write

unit tests, integration tests, and automated deployment scripts

to ensure code quality. Collaborate with QA, DevOps, and design teams to deliver a seamless migration. Provide

documentation and training

to internal teams for post-migration maintenance.

Required Skills & Qualifications:

Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).

5+ years of experience

in .NET development. Strong knowledge of

C#, ASP.NET Web Forms (4.0/4.5)

, and legacy .NET Framework applications. Proven experience in

ASP.NET Core (5/6/7/8) MVC

and related technologies. Proficiency with

Entity Framework Core, LINQ, SQL Server

, and database migration strategies. Experience with

front-end frameworks (Bootstrap, jQuery, React, Angular, or Vue)

for modern UI design. Hands-on experience with

REST APIs, JSON, Web API migration

, and microservices architecture. Knowledge of

dependency injection, middleware, logging, and configuration management

in ASP.NET Core. Familiarity with

Azure DevOps, Git, CI/CD pipelines, Docker, and Kubernetes

. Strong understanding of

application security best practices (OWASP, identity management, OAuth, JWT, etc.)

. Excellent problem-solving skills, attention to detail, and ability to work independently.

Nice-to-Have Skills

:

Experience in

Blazor

or

MAUI

for modernizing UI further. Knowledge of

cloud-native application design

(Azure/AWS). Familiarity with

message queues (RabbitMQ, Kafka)

. Prior experience in

application modernization projects

.

To Apply

Send your resume + GitHub/projects to hr@nyros.com

Job Type: Full-time

Experience:

.NET: 5 years (Required)
Work Location: In person