Senior Full Stack Software Developer

Fragomen•Ontario, CA

5d•Hybrid

About The Position

We are seeking a driven and experienced Senior Full Stack Software Developer to join our engineering team. The ideal candidate is a self-starter who takes initiative, leads by example, and thrives in a collaborative environment. You will work across the entire stack — from database design and back-end services to modern front-end interfaces — playing a key role in delivering high-quality software solutions end to end.

Requirements

5+ years of full stack software development experience
Proficiency in C# and ASP.NET (.NET Framework and .NET Core)
Strong JavaScript skills with hands-on React experience
Solid experience with T-SQL and Microsoft SQL Server
Experience with RESTful API design and development
Comfort working across both front-end and back-end codebases
Strong understanding of software design patterns and best practices
Ability to work independently, prioritize effectively, and drive tasks to completion

Nice To Haves

Experience with VueJS
Familiarity with VB.NET
Experience with source control (Git) and CI/CD pipelines
Exposure to cloud platforms (Azure preferred)

Responsibilities

Architect, develop, and maintain scalable full stack web applications using C#, .NET Framework, and .NET Core
Build dynamic, responsive front-end experiences using JavaScript and React
Design and optimize complex T-SQL queries, stored procedures, and database schemas in Microsoft SQL Server
Develop and consume RESTful APIs connecting front-end and back-end systems
Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
Proactively identify areas for improvement and take ownership of solutions without waiting to be asked
Conduct code reviews and mentor junior developers
Troubleshoot, debug, and resolve issues across the full stack
Contribute to architectural decisions and technical documentation