Senior Software Engineer (.NET )

Techwaresoft LLC; Pakistan; On-site; PKR 3,000,000 - 5,000,000; Full time

Job summary

Techwaresoft LLC in Pakistan seeks a Senior Software Engineer specializing in .NET and Ruby with 6+ years of experience to stabilize legacy systems and lead modernization efforts. The role emphasizes Docker-enabled transitions and cross-team collaboration on enterprise applications.

Candidate should master .NET Framework 4.x and .NET Core/.NET 6+, with ASP.NET Web Forms/MVC experience and strong SQL Server skills.

Qualifications

• 6+ years of experience in .NET stack and enterprise apps.
• Proficiency with .NET Framework 4.x and .NET Core/.NET 6+.
• Hands-on with ASP.NET Web Forms and ASP.NET MVC; WinForms/WPF a plus.
• Experience with WCF/SOAP/XML integrations.
• Strong SQL Server and T-SQL skills with performance tuning.
• Familiarity with Docker and deploying on IIS.
• Proficient with Git and TFS for source control.
• Java experience is a plus and willingness to work on Java projects.

Responsibilities

• Develop, maintain, and refactor enterprise apps built on .NET Framework 4.x.
• Modernize systems by building new services with .NET Core / .NET 6+ and migrating to Docker containers.
• Design and manage Docker images and support deployments across test, staging, and production environments.
• Collaborate on modernization initiatives including monolith decomposition, containerization, and CI/CD adoption.
• Work with architecture, DevOps, and QA teams to troubleshoot, tune performance, and ensure secure, reliable deployments.

Skills

C#

NET Framework

.NET Core/5/6+

ASP.NET Web Forms

ASP.NET MVC

WinForms/WPF

WCF

SOAP/XML

ADO.NET

LINQ to SQL

Entity Framework

SQL Server

T-SQL

IIS

Docker

Git

TFS

Java

Mentoring

Problem-solving

Communication

Tools

Dockerfiles

Image creation

Windows containers

Job description

This is a full-timerole for aSenior Software Engineer (.NET & Ruby)based in Pakistan.(at least 6yrs+ experience) with deep expertise in .NET Framework 4.x and legacy enterprise technologies, paired with modern proficiency in Docker and .NET Core/.NET 6+. This role is ideal for professionals who can straddle both worlds: stabilizing legacy systems while leading their transformation into containerized, modernized platforms.

Qualifications

• Strong experience with.NET Framework (4.0–4.8)and.NET Core / .NET 5/6+usingC# (advanced proficiency)
• Hands-on development withASP.NET Web FormsandASP.NET MVC; exposure toWinForms / WPFis a plus

Solid understanding ofWCF,ASMX Web Services, andSOAP/XML–based integrations

Expertise in data access technologies:ADO.NET, LINQ to SQL, Entity Framework (classic)

Strong database skills withSQL Server (2008/2012/2016+)andT-SQL

Experience deploying and tuning applications onIIS (7/8/10)

Working knowledge ofDocker, includingDockerfiles, image creation, and Windows-based containers

Proficient withsource control systems such asGitandTFS

Java experience preferred, with willingness to work on Java projects when required

Strongproblem-solving, communication, and mentoring skills, with experience in refactoring, migrations, and cross-functional collaboration

Responsibilities

• Develop, maintain, and refactorenterprise applicationsbuilt on.NET Framework 4.x
• Modernize systems by building new services with.NET Core / .NET 6+and migrating legacy codebases toDocker-based containers
• Design and manageDocker imagesand support deployments acrosstest, staging, and productionenvironments
• Collaborate onmodernization initiativesincluding monolith decomposition, containerization, andCI/CD adoption
• Work closely with architecture, DevOps, and QA teams to troubleshoot, tune performance, and ensure secure, reliable deployments
  

Must Have

• Strong experience with .NET Framework 4.x and .NET Core / .NET 6+ using C#
• Hands-on development with ASP.NET MVC / Web Forms and enterprise application architectures
• Solid knowledge ofSQL ServerandT-SQL, including performance tuning
• Experience with Docker and deploying applications on IIS
• Strong problem-solving, communication, and collaboration skills

Nice to have

• Experience withlegacy system modernizationand refactoring monoliths
• Familiarity withCI/CD pipelinesand DevOps practices
• Exposure toWCF, SOAP/XML, or other legacy integrations
• Working knowledge ofcloud-native or containerized environments
• Java experience or willingness to work on Java projects when required

What's great in the job?

• Great team of smart people, in a friendly and open culture
• No dumb managers, no stupid tools to use, no rigid working hours
• No waste of time in enterprise processes, real responsibilities and autonomy
• Expand your knowledge of various business industries
• Create content that will help our users on a daily basis
• Real responsibilities and challenges in a fast evolving company