Senior Software Engineer (.NET)

Job Description

Job Title : Senior Software Engineer (.NET)

Department : Development

Location : NASTP, Karachi (Full time-On-site)

Reports To : Team Lead

As a Senior Software Engineer (.NET) , you will lead the design, development, and optimization of core system components within enterprise-grade applications. You will play a key role in architectural decision-making, mentor junior engineers, and ensure that software delivery meets scalability, performance, and security standards.

This role requires strong problem-solving skills, a deep understanding of distributed systems, and hands-on experience with modern .NET frameworks, APIs, and DevOps practices.

Key Responsibilities

Lead the design, development, and deployment of scalable and secure .NET / .NET Core applications .

Architect and maintain RESTful APIs using ASP.NET Core (MVVM, MVC, Web API) with a focus on performance, versioning, and security.

Manage and optimize relational and NoSQL databases (SQL Server, PostgreSQL, MongoDB, etc.) with efficient data access layers ( EF Core , Dapper ).

Collaborate closely with front-end teams (React, Angular, Vue) to ensure seamless integrations and maintain contract integrity.

Champion clean code principles , enforce coding standards, and drive high-quality peer code reviews.

Establish and maintain CI / CD pipelines , integrating automated testing and code-quality checks.

Identify and mitigate performance bottlenecks through profiling, logging, and root-cause analysis.

Mentor junior engineers, provide technical direction , and contribute to continuous skill development.

Maintain documentation , architecture diagrams, and participate in knowledge-sharing sessions.

Stay up-to-date with emerging technologies and propose continuous improvements in architecture and engineering processes.

Key Performance Indicators (KPIs)

KPI

Weight

Measurement

Delivery & Ownership

30%

Timely completion of sprint goals; ownership of module delivery and system stability.

Code Quality & Architecture

25%

Maintain 80%+ test coverage; adherence to SOLID principles and design patterns.

System Performance & Reliability

15%

Meet defined latency and uptime SLAs; resolve P1 / P2 incidents promptly.

Team Leadership & Mentorship

15%

Provide technical guidance; lead code reviews and skill development sessions.

Continuous Improvement

15%

Recommend and implement tech / process enhancements; complete relevant certifications.

Requirements

Education

Bachelor’s degree in Computer Science , Software Engineering , or a related discipline.

Master’s degree preferred.

Experience

5–8 years of professional experience in .NET development , including design, architecture, and mentoring responsibilities.

Proven track record in developing and deploying enterprise-grade applications using .NET Core / .NET 6+ frameworks.

Experience working in Agile / Scrum environments and collaborating within cross-functional teams.

Technical Skills

Languages & Frameworks : Strong proficiency in C# , .NET 6 / 7 , and ASP.NET Core (MVC, MVVM, Web API).

Architecture : Deep understanding of microservices , RESTful APIs , and distributed systems .

Databases : Expertise with SQL Server , PostgreSQL , and MongoDB , using EF Core or Dapper .

DevOps & CI / CD : Hands-on experience with Git , Docker , Kubernetes , and automated CI / CD pipelines .

Cloud Platforms : Familiarity with Microsoft Azure or AWS for application hosting and service integration.

Testing & Code Quality : Knowledge of unit testing frameworks (xUnit, NUnit, MSTest) and adherence to SOLID principles and clean architecture .

Monitoring & Performance : Skilled in profiling , debugging , and using