Principal Software Engineer /.Net

Tkxel LLC; Lahore; On-site; PKR 1,200,000 - 2,000,000; Full time

Job summary

Tkxel LLC is seeking a skilled .NET Developer to design, develop, and maintain high-quality web and backend applications. You will work with .NET Core / .NET Framework, RESTful APIs, and SQL Server, implementing front-end integrations and modern architectural practices.

You will collaborate with cross-functional teams to translate business requirements into scalable technical solutions while adhering to coding standards and best practices.

Qualifications

• 6 years of hands-on experience in C#, ASP.NET Core / ASP.NET MVC / Web API.
• Strong understanding of OOP principles, design patterns, and SOLID.
• Experience with Entity Framework / EF Core or similar ORM tools.
• Proficiency in SQL Server (queries, procedures, indexing, performance tuning).
• Familiarity with Azure / AWS cloud services is a plus.
• Experience in unit testing (NUnit, MSTest, xUnit) preferred.
• Working knowledge of Git / GitHub / Azure DevOps / Jenkins for source control and CI/CD.
• Good understanding of Agile / Scrum methodologies.

Responsibilities

• Design, develop, and maintain applications using .NET Core / ASP.NET MVC / Web API.
• Write clean, scalable, and maintainable code following best practices and design patterns.
• Develop and consume RESTful APIs and integrate with third-party systems.
• Work with SQL Server or other relational databases — writing queries, stored procedures, and optimizing database performance.
• Implement front-end integrations using HTML5, CSS3, JavaScript, or Angular/React (optional).
• Participate in code reviews, debugging, and troubleshooting production issues.
• Collaborate with QA, DevOps, and product teams to ensure high-quality deliverables.
• Support deployment through CI/CD pipelines and maintain documentation of system changes.
• Apply security, performance, and scalability best practices across solutions.

Skills

C#

ASP.NET Core / MVC / Web API

OOP principles

Design patterns

SOLID principles

RESTful APIs

SQL Server

Entity Framework / EF Core

Azure / AWS

Agile / Scrum

Unit testing (NUnit MSTest xUnit)

Tools

HTML5

CSS3

JavaScript

Angular/React (optional)

Git

GitHub

Azure DevOps

Jenkins

Job description

Tkxel is a leading softwaredevelopment company located in Reston, Virginia. We are committedto develop innovative software solutions for leading enterprisesin the world, helping them grow their businesses using latesttechnology solutions.

Job Description

We are looking for a skilled.NET Developerto design, develop, and maintain high-quality web and backend applications. The ideal candidate will have hands-on experience with.NET Core / .NET Framework, strongdatabase knowledge, and a solid understanding ofAPI developmentandmodern architectural practices.
You will collaborate with cross-functional teams to translate business requirements into scalable and efficient technical solutions while adhering to coding standards and best practices.

Key Responsibilities

• Design, develop, and maintain applications using.NET Core / ASP.NET MVC / Web API.
• Write clean, scalable, and maintainable code following best practices and design patterns.
• Develop and consumeRESTful APIsand integrate with third-party systems.
• Work withSQL Serveror other relational databases — writing queries, stored procedures, and optimizing database performance.
• Implementfront-end integrationsusingHTML5, CSS3, JavaScript, or Angular/React (optional).
• Participate incode reviews,debugging, andtroubleshootingproduction issues.
• Collaborate with QA, DevOps, and product teams to ensure high-quality deliverables.
• Support deployment throughCI/CD pipelinesand maintain documentation of system changes.
• Applysecurity, performance, and scalability best practicesacross solutions.

Required Skills & Experience

• 6 years of hands-on experience inC#, ASP.NET Core / ASP.NET MVC / Web API.
• Strong understanding ofOOP principles,design patterns, andSOLID principles.
• Experience withEntity Framework / EF Coreor similar ORM tools.
• Proficiency inSQL Server(queries, procedures, indexing, performance tuning).
• Familiarity withAzure / AWS cloud servicesis a plus.
• Experience inunit testing(NUnit, MSTest, xUnit) preferred.
• Working knowledge ofGit / GitHub / Azure DevOps / Jenkinsfor source control and CI/CD.
• Good understanding ofAgile / Scrum methodologies.
• Excellent problem-solving and communication skills.