Senior Software Engineer - AI-Driven E-Commerce Platform

Ritchie Bros. Group; Westchester (IL); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Basic Life Insurance

401k with 100% match up to 4%

15 days PTO

Job summary

IAA Holdings, LLC, a RB Global company, is seeking a Senior Software Engineer to contribute to our proprietary e-commerce platform. You will work in a cross-functional engineering team on features and services across a microservices architecture, embracing AI-assisted development and shipping reliable software.

Join us to own components, collaborate across teams, and help advance our scalable backend and frontend systems in a hybrid Westchester, IL environment.

Qualifications

• 6–8+ years of professional software development in a multi-team environment.
• -.NET Framework / .NET Core / C# API/backend development.
• React front-end development.
• Cloud experience with Microsoft Azure services.
• Databases: SQL Server and PostgreSQL; design, tuning.
• RESTful API design and lifecycle.
• Agile / Scrum practices and SDLC.
• Docker containers; orchestration familiarity.
• Experience with AI-assisted development tools.

Responsibilities

• Own components within our microservices architecture — design, develop, enhance, and maintain with quality and reliability in mind.
• Translate business and product requirements into clean, well-structured technical solutions.
• Estimate work effort and contribute to project planning and delivery timelines.
• Dive into a large, multi-service codebase quickly and contribute in a short ramp-up period.
• Collaborate with engineers across teams to identify gaps, surface risks early, and drive technical decisions to resolution.
• Write unit and integration tests; uphold code quality through reviews and automation.
• Support production systems and assist 3-tier support staff during incidents.
• Proactively use AI developer tools to accelerate development and reduce repetitive work.

Skills

.NET/C#

React

Azure

SQL Server

PostgreSQL

REST APIs

Agile/Scrum

Docker

AI tools

Tools

Azure DevOps

GitHub Actions

Kubernetes

Kafka

Job description

IAA Holdings, LLC, a RB Global company, is seeking a Senior Software Engineer to contribute to our proprietary e-commerce platform. You will work in a cross-functional engineering team on features and services across a microservices architecture, embracing AI-assisted development and shipping reliable software.

Join us to own components, collaborate across teams, and help advance our scalable backend and frontend systems in a hybrid Westchester, IL environment.