Top .NET Developer Jobs in Chicago, IL

The Senior Full Stack Engineer will develop scalable software solutions, lead Salesforce projects, mentor others, and handle integrations, primarily using Salesforce and Mulesoft technologies.

Design, develop, and maintain internal full-stack .NET applications, support legacy .NET Framework/MVC tools, troubleshoot Helpdesk tickets, integrate COTS systems, ensure secure coding and compliance (OWASP/CWE, STIGs, CMMC), maintain IIS/SQL servers, write unit tests and technical documentation, and collaborate with stakeholders to gather requirements.

Designs, develops, tests, and delivers complex .NET solutions ensuring functional, non-functional, and compliance requirements. Mentors engineers, implements CI/CD and automation, performs spike/proofs of concept, integrates data (XML/JSON), and resolves application and database performance issues while collaborating with DBAs and cross-functional teams.

The role involves backend and frontend development, collaborating with teams to produce scalable software, and maintaining coding standards while participating in code reviews and discussions.

The Software Engineer will maintain and modernize .NET applications while developing cross-platform systems, integrating internal applications, and working with cloud services. Responsibilities include API and microservices development, database management, and supporting legacy application modernization.

As a Senior Software Engineer at PerfectServe, you'll design, build, and maintain high-quality code for healthcare communication systems, mentoring junior engineers and collaborating across teams to improve patient care and clinical workflows.

Design and implement cross-platform features for KeeperChat (desktop, mobile, web). Build and maintain .NET/C# MAUI clients and React web UI, optimize performance and reliability, participate in code reviews, collaborate with product/design/backend teams, and mentor junior engineers while upholding security and code quality.

Architect, design, build, test, and deploy highly available real-time systems. Participate across the SDLC, implement automated testing and CI/CD, maintain documentation, troubleshoot and enhance existing software, and collaborate in an Agile/Scrum team environment.

Senior Software Engineer II designs, develops, tests, and deploys scalable .NET-based features and ERP integrations. Responsibilities include technical design, code reviews, CI/CD pipeline management, troubleshooting, mentoring peers, and ensuring reliability, performance, and security across cloud-native Azure services.

As a Principal .NET Software Engineer at Versapay, you will modernize payments infrastructure, improve scalability, design distributed services, and take ownership of payment workflows while collaborating with various teams to enhance customer experience.

Lead design and implementation of scalable .NET Core + Angular applications. Communicate with stakeholders, estimate work, drive agile delivery, ensure code quality, mentor engineers, and collaborate across product, QA, and design to deliver client-facing solutions.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

The role involves developing and maintaining applications using .NET Core and Microservices architecture, with a focus on both front-end and back-end technologies.

Develop and maintain web and desktop applications using .NET technologies. Requires strong programming skills, experience with databases, and project management.

Seeking a Senior Software Developer for developing high-performance distributed systems for media workflows, including video transcoding and content delivery.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

The Staff Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.

As a Software Engineer Intern, you will develop, test, and maintain Windows desktop applications, collaborating with teams to enhance trading efficiency.

Develop and maintain high-quality software solutions, analyze requirements, and collaborate with project leaders to ensure deadlines are met while adhering to coding standards.

The .NET Developer will engage with product owners, assist in solution design, write quality software, and communicate effectively within Agile teams.

The .NET Developer will collaborate with product owners, assist tech leads in designing solutions, write quality software, and provide task estimations.

Design and develop modern applications using .NET technologies and AWS, while mentoring junior developers and ensuring code quality with CI/CD practices.

The Senior .NET Developer will enhance websites using Sitefinity, gather requirements from business users, and manage development timelines across backend and frontend development.

The .Net Developer will design and enhance enterprise-level applications, support project phases, gather requirements, and utilize various technologies including C#.Net and SQL Server.

The role involves developing applications using .Net and SharePoint technologies, requiring a strong background in web application development and multiple programming languages.