Sr. Software Engineer - Full Stack Web Development

ThriftBooks•Tukwila, WA

8d•$120,000 - $145,000•Hybrid

About The Position

ThriftBooks is seeking a Senior Software Engineer to design, build, and maintain its primary customer-facing ecommerce applications. The role works closely with a collaborative engineering team to deliver scalable, high-quality software that supports business growth. The engineer will contribute to technical decisions, mentor other engineers, and help shape the evolution of the platform. The position is hybrid, with in-person work in Tukwila, Washington, or remote work from Phoenix, Arizona.

Requirements

At least 5 years of professional experience developing web applications; React, C#, SQL, and Next.js experience is preferred.
Strong experience with relational databases, including schema design, complex queries, and performance optimization.
Solid understanding of full-stack web development, including how browsers and the internet work.
Strong foundation in object-oriented programming concepts and design patterns.

Nice To Haves

Experience with Terraform, Bicep, GitHub, Azure DevOps, Azure, React, C#, SQL, CSS, Elastic, or Redis.
Experience building large B2C responsive and mobile-optimized web applications.
Curiosity and enthusiasm for learning new technologies and improving software craftsmanship.
Experience with industry-standard cloud platforms such as AWS or Azure, CI/CD tools, and software infrastructure fundamentals.

Responsibilities

Build features for thriftbooks.com, typically using C#, React, and SQL Server.
Maintain performance, scalability, and reliability across thriftbooks.com features and infrastructure.
Participate in architectural discussions and contribute to technical standards and best practices.
Review code, provide constructive feedback, and mentor other engineers.
Troubleshoot and debug, participate in on-call rotations, and resolve production issues as needed.