Sr. Software Engineer - Full Stack Web Development

ThriftBooks; Seattle, Tolleson (WA, AZ); Hybrid; USD 120,000 - 145,000; Full time

Benefits offered by this job

Annual bonus

Paid time off

Holidays

Medical & Vision Insurance

Dental Insurance

Company paid STD/LTD

401k match

Professional development

Free books

Job summary

ThriftBooks, a leading used-books retailer, is hiring a Senior Software Engineer to design, build, and maintain the core customer-facing ecommerce applications. You will collaborate with a driven engineering team to deliver scalable software that drives business growth.

You will contribute to technical decisions, mentor peers, and help shape the evolution of our platform across thriftbooks.com and related services.

Qualifications

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

Responsibilities

• Build features for thriftbooks.com using React, C#, 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 feedback, and mentor other engineers.
• Troubleshoot, debug, and participate in on-call rotations, resolving production issues as needed.

Skills

React

C#

SQL

Next.js

Relational databases

Full-stack development

OOP concepts

Tools

Terraform

Azure

GitHub

Azure DevOps

React

C#

SQL

CSS

Elastic

Redis

Job description

Job Details

Job Location: Corporate - Seattle, WA 98188, Salary Range: $120,000.00 - $145,000.00 Salary/year, About ThriftBooks

Founded in 2003 and headquartered in Tukwila, Washington,ThriftBooksis the largest online retailer of used books. With more than 800 employees and multiple distribution centers across the United States, we sell tens of thousands of books every day through thriftbooks.com and our marketplace partnerships. Technology is core to our success, enabling both our ecommerce platform and our large-scalelogisticsoperations.

Position Overview

ThriftBooksis seeking a Senior Software Engineer to design, build, andmaintainour primary customer-facing ecommerce applications. In this role, you will work closely with a collaborative and highly motivated engineering team to deliver scalable, high-quality software that directly supports business growth. You will contribute to technical decisions, mentor other engineers, and help shape the evolution of our platform.

What You Will Do

• Build features for thriftbooks.com. These are usually a mix of 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, mentorotherengineers
• Troubleshoot, debug,participatein on-call rotations,and resolve production issues as needed

LOCATION

This is a hybrid position within‑person days inTukwila, WA or remote in Phoenix, AZ.

BASE SALARY:

$120,000 - $145,000/yr. This range reflects the good-faith hiring base salary range for this position. However, individual salaries aredeterminedby a variety of factors including, but not limitedto:business considerations, local market conditions, internal equity, as well as candidate qualifications such as skills, experience, and education/training.

WHY YOU’LL LOVE IT HERE:

• Annual 10% bonus incentive
• Competitive compensation package
• Earn Paid Time Off at Accrual Rate of 15‑days per year
• Six Paid Holidays per calendar year
• Medical & Vision Insurance
• Dental Insurance
• Company paid STD/LTD
• Company paid Life Insurance
• 401k match program
• Professional development & growth opportunities
• Work with nice, fun people
• FREE BOOKS!

ThriftBooksis unable to provide employment visa sponsorship at this time. Applicants must be legally authorized to work in the United States.All candidates must be willing to authorize a background check. All applicants agree toThriftBooksPrivacy Notice for Employment-Related Personal Data: https://www.thriftbooks.com/s/employment-privacy-notice/

ThriftBooksis an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment where all applicants are considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status or any other characteristic protected by applicable law.

Qualifications: What You Will Need:

• 5 or more years of professional experience developing web applications– with a preference for React, C#, SQL, Next.js
• Strong experience with relational databases, including schema design, complex queries, and performance optimization
• Solid understanding of full-stack web development, includingstrong understanding of how browsers and the internet work
• Strong foundationin object-oriented programming concepts and design patterns

Preferred Qualifications

• Experience withTerraform, Bicep, GitHub, AzureDevops, Azure, React, C#, SQL, CSS, Elastic, Redis.
• Experience buildinglarge B2Cresponsive and mobile-optimized web applications.
• Demonstrated curiosity and enthusiasm for learningnew technologiesand improving software craftsmanship
• Experience with industry standard cloud platforms (AWS, Azure), CI/CD tools, and software infrastructure fundamentals