NXT LABS

Senior .NET Developer - Onsite

NXT LABS  •  Lahore, PK / Karachi, PK (Hybrid)  •  5 months ago
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Job Description

Senior Software Engineer – .NET (Enterprise Applications)

Key Responsibilities

  • Design, develop, maintain, and refactor enterprise-level applications built on NET Framework (4.x)

  • Lead and contribute to modernization initiatives, including migrating legacy systems to NET Core / .NET 6+

  • Containerize existing applications using Docker, and support deployments across development, staging, and production environments.

  • Collaborate on application modernization strategies, including breaking down monolithic architectures, container adoption, and CI/CD pipelines.

  • Create, manage, and optimize Docker images and Dockerfiles (Windows-based containers).

  • Troubleshoot, debug, and optimize performance for both legacy and modernized systems

  • Work closely with Architecture, DevOps, QA, and Product teams to ensure scalable, secure, and high-quality releases.

  • Participate in code reviews, technical discussions, and architectural decision-making.

Required Skills & Qualifications

  • Strong experience with NET Framework (4.0 – 4.8)

  • Hands-on experience with NET Core / .NET 5/6+

  • Advanced proficiency in C#

  • Experience with ASP.NET Web Forms and ASP.NET MVC

  • Familiarity with Windows Forms (WinForms) and WPF (optional but preferred).

  • Solid understanding of WCF (Windows Communication Foundation)

  • Experience with ADO.NET, LINQ to SQL, and Entity Framework (Classic)

  • Knowledge of ASMX Web Services, SOAP, and XML-based integrations

  • Strong database skills with SQL Server (2008/2012/2016+), including T-SQL

  • Experience deploying and tuning applications on IIS (7/8/10)

  • Hands-on experience with Docker, including image creation and Dockerfiles.

  • Proficiency with source control systems such as Git and TFS

Nice to Have

  • Exposure to Java development; willingness to work on Java-based components when required.

  • Experience working in hybrid legacy + modern tech stacks

  • Familiarity with CI/CD pipelines and DevOps best practices.

  • Experience in large-scale, enterprise environments.

What We Offer

  • Opportunity to work on complex enterprise systems and modernization projects.

  • Exposure to both legacy and modern cloud/container-based architectures

  • Collaborative and growth-oriented engineering culture.

NXT LABS

About NXT LABS

Tmr’s businesses. Created today.

NXT Labs is a collective of dreamers & doers who create, innovate & improve on the status quo.

Searching for the NXT big idea, NXT innovation to improve peoples’ lives with, NXT passionate dream to fulfil.

Why?

Cause we’re restless people with a purpose.

Industry
IT & Software
Company Size
11-50 employees
Headquarters
Austin, Texas
Year Founded
2015
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