Software Engineer

Ritchie Bros. Auctioneers, Inc.; Westchester (IL); Hybrid; USD 95,000 - 130,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

401k with match

PTO 15 days

Job summary

IAA Holdings, LLC (IAA), a Ritchie Bros. Auctioneers company, seeks a software engineer to build backend services with C#/.NET and contribute to microservices migration in a hybrid Westchester, IL setting.

You'll develop RESTful APIs, work with Azure Functions, and implement secure OAuth2/JWT (Entra ID) authentication, while collaborating with frontend teams on React or Vue interfaces and maintaining strong unit test coverage.

Qualifications

• 3–6 years of professional software engineering experience.
• Strong experience with C#, .NET Core / modern .NET and building backend APIs.
• Practical experience with microservices and RESTful web services.
• Hands-on experience with Azure including Azure Functions and at least one of App Services / cloud hosting / Azure-native integrations.
• Experience with SQL Server and writing/debugging performant queries.
• Knowledge of OAuth2, JWT and SSO (Entra ID) integration.
• Experience writing unit tests and contributing to quality-focused engineering culture.

Responsibilities

• Build and maintain backend services using C# and modern .NET.
• Contribute to microservices-based systems and migration from monolith to microservices.
• Develop and maintain serverless components using Azure Functions.
• Implement data access with SQL Server and Cosmos DB/Blob Storage.
• Build and integrate RESTful APIs for web applications.
• Implement secure authentication/authorization with OAuth2/JWT (Entra ID).
• Collaborate with frontend teams and contribute to UI code (React/Vue).
• Write unit tests and improve test coverage.

Skills

C#

NET Core/.NET

Microservices

REST APIs

Azure

SQL Server

OAuth2/JWT

Unit testing

Tools

Azure Functions

Cosmos DB

Blob Storage

React

Vue.js

GitHub

Job description

IAA Holdings, LLC (IAA), a Ritchie Bros. Auctioneers company (NYSE: RBA) and (TSX: RBA), is a trusted global marketplace for insights, services, and transaction solutions for commercial assets and vehicles. Leveraging leading-edge technology and focusing on innovation, IAA’s unique platform facilitates the marketing and sale of total-loss, damaged and low-value vehicles. IAA serves a global buyer base – located throughout over 170 countries – and a full spectrum of sellers, including insurers, dealerships, fleet lease and rental car companies, and charitable organizations. Buyers have access to multiple digital bidding and buying channels, innovative vehicle merchandising, and efficient evaluation services, enhancing the overall purchasing experience. IAA offers sellers a comprehensive suite of services aimed at maximizing vehicle value, reducing administrative costs, shortening selling cycle time and delivering the highest economic returns.

RB Global full-time employees are offered medical, dental, vision, and basic life insurances. Employees are able to enroll in our company’s 401k plan and RB Global will match 100% for the first 4% contributed. Employees will also receive 15 days of PTO each year.

Job Description

What You’ll Do (Responsibilities)

• Build and maintain backend services using C# and modern .NET (.NET 6/8; moving toward .NET 10)
• Contribute to microservices-based systems, including helping with incremental migration from monolith to microservices
• Develop and maintain serverless components using Azure Function Apps
• Implement data access patterns using Cosmos DB, Azure Blob Storage, and SQL Server
• Build and integrate RESTful APIs used by web applications
• Implement secure authentication/authorization with SSO using Microsoft Entra ID (OAuth2/JWT concepts)
• Collaborate with frontend teams and contribute to UI code in React and/or Vue.js (feature work, API integration, debugging, performance fixes)
• Write unit tests and help improve test coverage and overall code quality
• Participate in code reviews, follow engineering standards, and use GitHub + GitHub Copilot effectively (with good judgment and review discipline

Required Qualifications

• 3–6 years professional software engineering experience (or equivalent)
• Strong experience with C#, .NET Core / modern .NET, and building backend APIs
• Practical experience (project/production) with microservices and RESTful web services
• Hands-on experience with Azure, including Azure Functions and at least one of: App Services / cloud hosting / Azure-native integrations
• Experience with SQL Server and writing/debugging performant
• Working knowledge of authentication concepts (OAuth2, JWT) and SSO integration (preferably Entra ID)
• Experience writing unit tests and contributing to a quality-focused engineering culture

Preferred / Nice to Have

• Experience helping modernize systems (e.g., monolith → microservices)
• Experience with Cosmos DB and/or Blob Storage in production workloads
• Familiarity with CI/CD and automated testing practices
• Mobile app development experience (or supporting mobile backends
• Exposure to both React and Vue (not just one)

Job Info

• Job Identification 8282
• Posting Date 07/30/2026, 09:30 PM
• Locations 2 Westbrook Corporate Ctr, Westchester, IL, 60154, US (Hybrid)