Demo

Lead .Net Developer

Navistar International Corp.
Lisle, IL Full Time
POSTED ON 8/31/2026
AVAILABLE BEFORE 9/30/2026
Position Overview

We are looking for a skilled Lead .Net Developer to contribute to our Commercial Sales Experience (CSE) product initiative.

The ideal candidate is proficient in the full software development lifecycle using an Agile framework, enhancing existing web applications, ensuring long-term application performance and can work effectively in a collaborative and fast-paced environment.

Responsibilities

  • Developing Web APIs in .NET Core
  • Writing extensive unit tests and Web API testing
  • Responsible for security, performance, and scalability considerations
  • Modernizing legacy ASP.NET Web Forms applications to .NET Core React
  • Development utilizing ReactJS
  • Writing queries and complex stored procedures
  • Deploying to Kubernetes clusters
  • Code refactoring and designing patterns

Minimum Requirements

  • Bachelor's degree and at least 2 years of software engineer experience

OR
  • Master's degree and at least 1 year of software engineer experience

OR
  • At least 5 years of software engineer experience

Additional Requirements

  • Qualified candidates, excluding current employees, must be legally authorized on an unrestricted basis (, Legal Permanent Resident, Refugee or Asylee) to be employed in the United States. We do not anticipate providing employment related work sponsorship for this position (e.g., H-1B status)

Desired Skills

  • Development experience with ASP.NET / .NET Core using C# (and/or VB.NET) in Visual Studio IDE
  • Development experience with ReactJS
  • Experience in developing Web APIs in .NET Core
  • Experience in writing extensive unit tests and Web API testing.
  • Good Understanding of security, performance, and scalability considerations
  • Experience modernizing legacy ASP.NET Web Forms applications to .NET Core React
  • Strong understanding of HTML, XML, CSS, JSON, JavaScript & jQuery
  • Expert level knowledge in SQL, including writing complex queries and stored procedures
  • Skilled in working with SOAP and REST services.
  • Good understanding of object-oriented programming (OOP) principles.
  • Understanding of the GitFlow branching strategy and deployments
  • Familiarity with deploying to Kubernetes clusters
  • Understanding of SOLID design principles
  • Experience with code refactoring and design patterns
  • Familiarity with ADO or JIRA
  • Familiarity with CI/CD pipeline
  • Familiarity with TFS, GIT
  • Familiarity with Azure
  • Strong understanding of technical best practices to support an agile environment
  • Familiarity with Telerik is a plus
  • Ability to work independently and as part of a team

Benefits and Compensation

This position offers competitive market-based compensation, along with a comprehensive benefits package designed to support employee wellbeing. You can learn more about the benefits offered for this position by visiting ;br>
The expected salary offered for this position will fall within the stated range, with the final offer based on the candidates' applicable skills, knowledge, and experience.

Company Overview

About TRATON
With its brands Scania, MAN, International, and Volkswagen Truck & Bus, TRATON SE is the parent and holding company of the TRATON GROUP and one of the world's leading commercial vehicle manufacturers. The Group's product portfolio comprises trucks, buses, and light-duty commercial vehicles. "Transforming Transportation Together. For a sustainable world.": this intention underlines the Company's ambition to have a lasting and sustainable impact on the commercial vehicle business and on the Group's commercial growth.

About International
From a one-man company built on the world-changing invention of the McCormick reaper in 1831, to the 15,000-person-strong company we are today, few companies can lay claim to a history like International. Based in Lisle, Illinois, International Motors, LLC* creates solutions that deliver greater uptime and productivity to our customers throughout the full operation of our commercial vehicles. We build International trucks and engines and IC Bus school and commercial buses that are as tough and as smart as the people who drive them. We also develop Fleetrite aftermarket parts. In everything we do, our vision is to accelerate the impact of sustainable mobility to create the cleaner, safer world we all deserve. As of 2021, we joined Scania, MAN and Volkswagen Truck & Bus in TRATON GROUP, a global champion of the truck and transport services industry. To learn more, visit International.com.

*International Motors, LLC is d/b/a International Motors USA in Illinois, Missouri, New Jersey, Ohio, Texas, and Utah.

EEO Statement

We are an Equal Opportunity Employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

If you are a qualified individual with a disability and require a reasonable accommodation to access the online application system or participate in the interview process due to your disability, please email to request assistance. Kindly specify Job Requisition Number / Job Title and Location in response. Otherwise, your request may not be considered.

Salary : $112,000 - $168,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Lead .Net Developer?

Sign up to receive alerts about other jobs on the Lead .Net Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$150,756 - $194,140
Income Estimation: 
$172,191 - $221,861
Income Estimation: 
$114,549 - $164,025
Income Estimation: 
$153,752 - $200,235
Income Estimation: 
$123,508 - $158,121
Income Estimation: 
$132,730 - $173,376
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Navistar International Corp.

  • Navistar International Corp. Huntsville, AL
  • Position Overview International is currently searching for a Manufacturing Engineer Lead - S13 Assembly to join our Huntsville Engine Plant. Schedule: Mond... more
  • 1 Day Ago

  • Navistar International Corp. Lisle, IL
  • Position Overview We are seeking a data-driven and innovative Ecommerce Digital Data Analyst to join our growing Digital Marketing team. This role is respo... more
  • 1 Day Ago

  • Navistar International Corp. Lisle, IL
  • Position Overview International Motors is seeking an innovative and strategic Associate Director, Digital Engineering to lead the engineering teams respons... more
  • 1 Day Ago

  • Navistar International Corp. Lisle, IL
  • Position Overview The Senior AI/ML Engineer is responsible for designing, developing, and deploying scalable machine learning and AI solutions that deliver... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Lead .Net Developer jobs in the Lisle, IL area that may be a better fit.

  • Spar Information Systems Lisle, IL
  • Responsibilities include: Min 6 yrs of development experience with / .NET Core using C# (and/or ) in Visual Studio IDE Min 6 yrs of development experience ... more
  • 2 Days Ago

  • International Motors, LLC Lisle, IL
  • Position Overview We are looking for a skilled Lead .Net Developer to contribute to our Commercial Sales Experience (CSE) product initiative. The ideal can... more
  • 9 Days Ago

AI Assistant is available now!

Feel free to start your new journey!