Lead .Net Developer

International Motors; Chicago (IL); On-site; USD 112,000 - 168,000; Full time

Job summary

International Motors is seeking a Lead .Net Developer in Lisle, Illinois to drive the Commercial Sales Experience product initiative. The role requires agile teamwork, modernizing legacy applications to .NET Core + React and delivering secure, scalable Web APIs.

The candidate will contribute across the full software lifecycle, write unit tests, and deploy to Kubernetes clusters while ensuring performance and maintainability in a fast-paced environment.

Qualifications

• Bachelor's degree and at least 2 years of software engineer experience.
• Master's degree and at least 1 year of software engineer experience.
• At least 5 years of software engineer experience.

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.

Skills

C#/.NET

ASP.NET Core

ReactJS

SQL

Web API testing

OOP

Security

CI/CD

GitFlow

Azure

Kubernetes

Design patterns

Education

Bachelor's degree in CS or related field

Master's degree in CS or related field

5+ years software engineering experience

Tools

Visual Studio

JIRA

GIT

Kubernetes

Azure

CI/CD tools

Job description

International

Lisle, Illinois

Information Technology

Regular Full Time Employee

8/24/2026

USD $112,000.00/Yr.

USD $168,000.00/Yr.

59061

Job Description

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


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


• At least 5 years of software engineer experience

Additional Requirements

Qualified candidates, excluding current employees, must be legally authorized on an unrestricted basis (US Citizen, 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 https://careers.international.com/#benefits.

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 [e-mail] request assistance. Kindly specify Job Requisition Number / Job Title and Location in response. Otherwise, your request may not be considered.