Software Engineer

Posted 23 Days Ago
Westchester, IL, USA
Hybrid
Mid level
Marketing Tech
The Role
As a Software Engineer II, you will build backend services using C# and .NET, develop microservices, and collaborate with frontend teams on UI code. Responsibilities include implementing APIs, securing authentication, and enhancing code quality through testing and code reviews.
Summary Generated by Built In

Software Engineer II (Mid-Level) – .NET Backend / Microservices (Azure) + React/Vue

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) 
  • Frontend experience required: hands-on work with React and/or Vue.js (JavaScript/TypeScript, component-based UI, consuming REST APIs) 
  • 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)
About Us

IAA Holdings, LLC (IAA)

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.


Top Skills

.Net 6/8
Azure
Azure Functions
C#
Cosmos Db
Git
Jwt
Microservices
Oauth2
React
Restful Apis
SQL Server
Vue
Am I A Good Fit?
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The Company
Pleasanton, CA
2,445 Employees
Year Founded: 1999

What We Do

Established in 1958, Ritchie Bros. (NYSE and TSX: RBA) is a global asset management and disposition company, offering customers end-to-end solutions for buying and selling used heavy equipment, trucks and other assets. Operating in a multitude of sectors, including construction, transportation, agriculture, energy, oil and gas, mining, and forestry, the company’s selling channels include: Ritchie Bros. Auctioneers, the world’s largest industrial auctioneer offers live auction events with online bidding; IronPlanet, an online marketplace with featured weekly auctions and providing its exclusive IronClad Assurance® equipment condition certification; MarketplaceE, an online marketplace offering multiple price and timing options; Mascus, a leading European online equipment listing service; and Ritchie Bros. Private Treaty, offering privately negotiated sales. The company also offers sector-specific solutions including GovPlanet, TruckPlanet, Kruse Energy Auctioneers, and Cat® auctions, plus equipment financing and leasing through Ritchie Bros. Financial Services. For more information about the unprecedented choice provided by Ritchie Bros., visit RitchieBros.com.

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