Software Developer Jobs in Illinois, United States

Software Developer to design, build, and maintain applications with the IT team at Crossway. Responsibilities include coding, testing, debugging, and supporting users in UNIX/Linux environments.

Modern Woodmen of America is seeking a Software Developer for its Rock Island, IL home office to design and develop applications and system enhancements that support critical business operations. Day-to-day work includes analyzing stakeholder requirements, participating in all phases of the software development lifecycle (design, development, testing, code reviews, and documentation), troubleshooting production issues, and coordinating across departments.

Algorithmic Software Development team at DV Trading builds a low‑latency trading platform. The role develops core trading engine components, collaborates with senior traders, and extends platform capabilities to capture new opportunities.

Experience more with a career at COUNTRY! COUNTRY Financial is seeking a talented and driven Software Developer with specialized expertise in MuleSoft to join our dynamic technology team.

Campus Software Engineering team at DRW builds proprietary trading software across the full technology stack, from low‑latency strategies to large‑scale data platforms. As a Software Developer you will design, develop, test and deploy C++, Java or Python applications, optimize performance, and collaborate with quantitative researchers and traders.

Uline Technology Team builds and maintains enterprise Java applications for the company's North American operations. The Java Software Developer designs, tests, and deploys robust services, leads code reviews, and mentors peers while collaborating with cross‑functional teams.

Uline e-commerce platform team builds and maintains world‑class online and mobile shopping experiences. The Senior Software Developer designs, develops, tests, and deploys complex web applications using ASP.NET MVC, C#, JavaScript, Typescript and Angular, while mentoring peers and ensuring code quality.

Uline's software development team builds enterprise Java and web applications to support its logistics operations. The Senior Software Developer designs, codes, tests and deploys Java and Angular solutions, conducts code reviews, and implements CI/CD pipelines in a microservice environment.

WorldQuant seeks a Software Development Manager to lead a high‑performing team focused on electronic execution. The role requires managing and growing a lean group of developers, driving cross‑team collaboration, and implementing best‑in‑class engineering practices.

Software Development Team at DRW builds advanced trading and risk applications using cutting‑edge technology. As a Software Developer Intern you will design, develop, test, and deploy proprietary software solutions, collaborating with engineers, quantitative traders, and researchers on cross‑functional projects.

The Software Development Engineer joins a CVS Health team performing state-of-the-art AI work for Specialty pharmacy in the Benefit Verification domain. Working under Staff and Senior Engineers, this individual contributor designs, builds, and delivers solutions that advance the Specialty pharmacist roadmap, from prototype to production.

MACC, a division of Harris, is seeking a Software Developer to design, develop, and maintain high-quality software solutions for its billing system used by telecommunication companies across the United States. Day-to-day work includes building database solutions in MSSQL, developing RESTful APIs, writing C#/.NET Core code, and maintaining Angular front-end applications while partnering with cross-functional teams.

Preferred Risk Insurance Services (PRIS) builds insurance software solutions. Senior Software Developer leads design, development, testing and maintenance of applications, mentors team members and drives AI‑assisted tooling adoption.

Uline's 450+ person in-house tech team builds and supports custom systems that run the business, from warehouse management to e-commerce. As a Software Development Manager, you will lead a team of 3 to 5 developers, provide technical guidance for scalable software solutions, and partner with cross-functional Agile teams to align architecture with business goals.

Uline IT builds and supports custom systems that run the company's warehouse, e‑commerce and other operations. The Software Development Manager leads a team of 3‑5 developers, provides technical guidance, and partners with Agile cross‑functional teams to design scalable, resilient software solutions.

Full-stack developer for DEVCOM CBC KDM at Rock Island Arsenal. Develop C#/.NET web apps, SQL scripts, and client UI with HTML/JS/CSS, Bootstrap, jQuery.

Karmak Inc. powers the commercial transportation industry with smart tech, serving truck dealerships and service shops. As a Senior Software Developer in Carlinville, IL, you will develop high-quality software in a collaborative, Agile team environment, mentor junior team members, and provide expert guidance.

Clarity Partners is hiring a Software Development Intern to design, develop, test, and deploy web applications for long-term clients such as the Chicago Police Department and Cook County Clerk. Working alongside senior application developers in downtown Chicago, you will gain hands-on experience across the full software development lifecycle using technologies including C#/.NET, React/Redux, Svelte, Oracle, Microsoft SQL Server, AWS, and AWS Bedrock.