Senior Full Stack Developer

Job Brief:

Employment Type: Full time, Onsite
Timings: 12PM-9PM
Location: Johar Town, G4
Experience: 3-4 years

Responsibilities:

• Own a product module end-to-end delivering new features while maintaining and improving existing functionality.
• Take responsibility for code quality, performance, scalability, and maintainability.
• Participate in bug rotation and resolve platform issues, including and fixing production bugs.
• Investigate, debug, and resolve complex production issues efficiently and responsibly.
• Refactor legacy code by breaking apart large classes, introducing proper separation of concerns, and implementing dependency injection best practices.
• Improve and expand automated test coverage where it provides the most value.
• Clean up duplicated code and reduce technical debt across the code base.
• Design and build clean, well-structured REST APIs with proper status codes and validation.
• Self-test thoroughly before handing off work to QA.
• Write readable, maintainable, and well-documented code.
• Proactively identify performance, architectural, and reliability improvements.

Requirements:

• 3-4 years of experience with C# and .NET (preferably .NET 6–8 and ASP.NET Core).
• Strong experience with Entity Framework Core, including migrations, multi-tenant data contexts, and query optimization.
• Solid experience with SQL Server, including writing and tuning complex queries and implementing indexing strategies.
• Hands-on AWS experience working daily with services such as Lambda, SQS, SNS, S3, Elastic Beanstalk, and IAM.
• Experience building and maintaining frontend components using React.
• Strong understanding of REST API design principles.
• Experience with Git and CI/CD workflows, including GitHub Actions and pull request processes.
• Strong self-testing discipline and ownership mindset.

Tech Stack:

Backend: C# / .NET 8, ASP.NET Core MVC
Database: SQL Server, Entity Framework Core 8
Cloud: AWS (Lambda, SQS, SNS, S3, STS, Elastic Beanstalk, SSM Parameter Store)
Frontend: React
CI/CD: GitHub Actions, GitHub Packages (NuGet)
Integrations: AWS Marketplace APIs, HubSpot, SendGrid, PostHog