Full-Stack Engineer II — Remote (React/Node/AWS)

Liquidity Services; Town of Texas (WI); Hybrid; USD 85,000 - 96,000; Full time

Benefits offered by this job

Competitive wages

401(k) plan

PTO and holidays

Paid parental leave

Life and disability insurance

EAP

Professional development and tuition"

Job summary

Liquidity Services, a leading global e-commerce marketplace for surplus assets, seeks a remote Senior Software Engineer to design, develop, and support modern web apps using React, Next.js, Node.js and AWS. You will participate in the full SDLC, deliver scalable solutions, and contribute to enterprise platforms and user experiences.

The role requires 2–5 years of Express.js experience, strong full-stack skills, and the ability to own features end-to-end.

Qualifications

• Four-year degree in a related field or equivalent experience
• 2-5 years of demonstrable professional experience on the Express.js web stack
• Experience developing, supporting, and maintaining Node.js applications, including troubleshooting issues, resolving defects, and implementing enhancements.
• Experience developing responsive web applications using React and Next.js.
• Experience with common design and code patterns (e.g., dependency injection, singleton, factories, etc.)
• Experience working on high-concurrency public web applications
• Experience implementing industry best practices as they relate to code construction and web application security
• Familiarity with the Bootstrap framework
• Experience with agile development environments and Scrum methodology a plus
• Business domain experience in e-commerce and/or back-office applications a plus
• Experience writing unit tests in an MVC environment a plus
• Experience working in an AWS environment a plus
• Hands-on experience with highly secured enterprise-level applications a plus
• Experience writing multi-threaded applications in Nodejs is a plus.
• Experience optimizing a slow running application for better performance and speed

Responsibilities

• Analyze and provide solutions for complex software development tasks, providing design documentation as required.
• Collaborate with business unit leadership to understand business requirements and translate into technical solutions.
• Exhibit an active interest in how the business works to understand not just what work needs to be done, but why.
• Participate in code reviews to ensure the quality of work delivered by the team meets or exceeds stakeholder expectations.
• Provide support in production support issue resolution including root-cause analysis and corrective action plans.
• Provide ongoing technical support for the Public facing and Internal IT technologies current and future. Understand and utilize the defined change control procedures, installation instructions and support request instructions
• Ensure the established monitoring alerts are responded to in a timely manner to ensure for system quality availability, security, performance and failures
• Break down any outages or quality issues to root causes and prevent recurrences by addressing root causes
• Participate in On Call and after-hours maintenance activities
• Engage in and work through major incidents (Sev1, Sev2, Sev3)
• Exhibit effective organizational skills, a focus on accuracy, and attention to detail.
• Possess excellent analytical, problem solving, and troubleshooting abilities as well as creativity in coming up with outside-the-box solutions.
• Conform to architectural and coding standards/conventions including concepts such as defensive programming.

Skills

React

Next.js

Node.js

Express.js

AWS

Bootstrap

Agile / Scrum

Unit tests

Security practices

Problem solving

Communication

Education

Bachelor's degree in related field

Tools

Express.js

React

Next.js

Node.js

AWS

Bootstrap

Job description

Liquidity Services, a leading global e-commerce marketplace for surplus assets, seeks a remote Senior Software Engineer to design, develop, and support modern web apps using React, Next.js, Node.js and AWS. You will participate in the full SDLC, deliver scalable solutions, and contribute to enterprise platforms and user experiences.

The role requires 2–5 years of Express.js experience, strong full-stack skills, and the ability to own features end-to-end.