Lead Software Engineer (.NET)

Roadrunner Transportation Systems Inc; Downers Grove, Northern (IL, KY); Hybride; USD 120 000 - 130 000; Plein temps

Avantages offerts par ce poste

Medical

Dental

Vision

401(k)

Paid time off

Résumé du poste

Roadrunner Transportation Systems Inc. is seeking a Lead Software Engineer (.NET) to drive engineering practices, mentor teams, and design scalable services in a hybrid setting in Downers Grove, IL.

You will modernize legacy platforms, shape API integrations, and ensure production quality with CI/CD and security best practices. The role emphasizes hands-on leadership, with opportunities for broader responsibility based on performance.

Qualifications

• 8+ years of production software experience in C#/.NET.
• Strong SQL Server data modeling and performance tuning.
• Modern front-end knowledge (JavaScript/TypeScript).
• Hands-on Azure experience and API design experience.

Responsabilités

• Design and build scalable, secure services and web apps (C#, .NET 8+, ASP.NET Core, React, Azure).
• Lead the modernization of legacy applications through refactoring and re-platforming.
• Design APIs and integrations with internal systems, customers, and partners.
• Own production quality: CI/CD, automated testing, observability, and secure coding.
• Mentor engineers through code reviews and design discussions.
• Collaborate with operations and business leaders to turn freight problems into software.

Connaissances

C# & .NET

ASP.NET Core

SQL Server

JavaScript/TypeScript

Azure

RESTful APIs

Entity Framework Core

Formation

Bachelor's degree

Outils

React

Azure Functions

Azure App Service

Azure SQL

Description du poste

Roadrunner is growing, and we're looking for a highly motivated Lead Software Engineer (.NET) to join our winning team. If you're results-driven and want a fast-growing company with strong growth and earnings potential, apply today! Much of our operation runs on software we build ourselves. We're modernizing our core platforms, moving off legacy systems and onto cloud-native, API-first services on Azure. We also have AI use cases running in production and are expanding them carefully. As Lead Software Engineer (.NET), you'll drive engineering practices and hands-on design within the applications team, working closely with our Director of Architecture. Your work directly affects how freight moves. This role may provide opportunities for future leadership growth based on business needs and individual performance. You'll start as a hands-on lead, and as you show leadership, you can take on broader responsibility for people, priorities, and technical direction.# **What you’ll do*** Design and build scalable, secure services and web apps (C#, .NET 8+, ASP.NET Core, React, Azure)* Lead the modernization of legacy applications: refactoring, re-platforming, and replacing them step by step* Design APIs and integrations with internal systems, customers, and partners* Own production quality: CI/CD, automated testing, observability, and secure coding* Mentor engineers on the team through code reviews, design discussions, and day-to-day coaching* Work directly with operations and business leaders to turn real freight problems into software # **What you bring*** Bachelor's degree in a related field, or equivalent experience* 8+ years building production software in C# and .NET, including modern .NET, ASP.NET Core, and Entity Framework Core* Strong SQL Server skills: data modeling, query tuning, performance* Modern front-end knowledge (JavaScript/TypeScript); backend depth matters most.* Hands-on Azure experience (App Service, Functions, Azure SQL, Storage, Application Insights, or similar)* Experience designing RESTful APIs and system integrations* A track record of improving or modernizing legacy .NET Framework systems* Experience setting engineering practices (Git-based workflows, CI/CD, testing, code review) and mentoring other developers* Comfort explaining technical tradeoffs to non-technical stakeholders ## **Nice to have*** Transportation, logistics, LTL, or supply chain experience* Hands-on React or Angular experience* API gateway, microservices, or identity/authorization experience* Experience leading Scrum, Agile, or Kanban teams* Hands-on use of AI coding tools or building AI-enabled features # **Compensation & Setup*** **Pay:** $120,000 – $130,000 base salary* **Location:** Hybrid – Downers Grove, IL* **Benefits:** Comprehensive benefits package including medical, dental, vision, 401(k), and paid time off # **Physical Demands and Work Environment**The physical demands and work environment described here are representative of those an employee encounters while performing the essential functions of this position. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions. ## **Physical Demands*** Sedentary physical activity performing non- strenuous daily activities of an administrative nature.* While performing the duties of the job, the employee is regularly required to sit, walk, stand, reach/handle items, work with the fingers, and talk and hear others in conversations via the phone or in person. ## **Work Environment*** Sedentary physical activity performing non- strenuous daily activities of an administrative nature.* While performing the duties of the job, the employee is regularly required to sit, walk, stand, reach/handle items, work with the fingers, and talk and hear others in conversations via the phone or in person.* Up to 5% travel; occasional after-hours support based on business needs* Hybrid schedule: 3 days a week in the Downers Grove office* Occasional after-hours escalations for production issues