4 results for Fullstack Developer in Naperville, IL

Chicago, IL
remote
Temporary
50 - 60.6 USD / Hourly
We are looking for a skilled Back End Developer to join our team on a long-term contract basis in Chicago, Illinois. In this role, you will contribute to the development and enhancement of mobile application back-end services for a large enterprise client. This is an opportunity to work within a collaborative environment alongside front-end and data specialists, focusing on impactful solutions. Responsibilities: • Design, build, and maintain scalable back-end services using Kotlin and Java. • Develop APIs and configure endpoints for production environments. • Collaborate with front-end and data teams to ensure seamless integration across systems. • Utilize modern frameworks and tools such as Ktor, Gradle/Maven, Liquibase, JUnit, and KoTest. • Work within cloud-native environments, leveraging platforms like AWS Elastic Beanstalk, Lambda, and Postgres. • Implement trunk-based development workflows through GitHub to ensure efficient and collaborative coding practices. • Troubleshoot and resolve technical issues to maintain system reliability and performance. • Participate in code reviews and contribute to the continuous improvement of development processes. • Follow best practices for software development to deliver high-quality, maintainable code.
2026-03-03T00:00:00Z

Lombard, IL
remote
Temporary
60 - 65 USD / Hourly
We are looking for a skilled .NET Developer to join our team on a contract basis in Lombard, Illinois. In this role, you will leverage your expertise in VB.NET and SharePoint to design, develop, and support both web-based and Windows applications powered by Microsoft SQL Server databases. This position is ideal for someone who thrives in a dynamic environment and is ready to make an immediate impact. Responsibilities: • Develop and maintain web applications and Windows-based solutions using VB.NET and the .NET Framework. • Create, maintain, and support applications hosted on SharePoint, ensuring seamless functionality. • Write and optimize SQL queries to support database-driven applications. • Collaborate with cross-functional teams to design and implement software solutions that meet business needs. • Troubleshoot and resolve issues in existing applications to ensure their reliability and performance. • Consume and create web services using technologies such as WCF and REST. • Conduct regular maintenance and updates for backend SharePoint environments. • Implement enhancements and features to improve user experience and application performance. • Utilize C# as needed to support development tasks. • Ensure code quality and adhere to best practices throughout the development lifecycle.
2026-03-04T00:00:00Z

Lombard, IL
remote
Temporary
43.5385 - 50.413 USD / Hourly
We are looking for a skilled PHP Developer to join our team on a contract basis. This role involves maintaining and enhancing legacy applications while utilizing your expertise in PHP, jQuery, and MySQL. You will play a key role in modernizing outdated systems and ensuring optimal performance in a Linux-based environment. Responsibilities:• Maintain and update legacy PHP applications to ensure functionality and performance.• Utilize PHP 7.4.33, jQuery, and MySQL to troubleshoot and enhance applications.• Analyze outdated libraries and recommend effective upgrade paths.• Debug applications locally by downloading and running code to identify issues.• Migrate applications between servers while ensuring minimal downtime.• Work within Linux-based server environments to optimize system operations.• Collaborate on applications hosted in WordPress environments.• Provide clear technical recommendations and solutions to improve system efficiency.• Communicate findings and next steps effectively with stakeholders.
2026-03-03T00:00:00Z

Lisle, IL
remote
Permanent
130000 - 145000 USD / Yearly
We are looking for an experienced Senior Software Engineer to join our team in Lisle, Illinois. In this role, you will lead the development of robust infrastructure systems and collaborate with interdisciplinary teams to deliver innovative software solutions. This position offers the opportunity to design secure systems while driving operational stability and quality. Responsibilities: • Lead the design and implementation of secure and scalable RESTful infrastructure systems. • Collaborate with diverse teams, including front-end developers, designers, and product specialists, to create high-quality software solutions. • Develop authentication, authorization, and identity management systems using industry-standard protocols. • Create detailed documentation, including architectural diagrams and technical specifications, for infrastructure and system processes. • Perform thorough code reviews to ensure adherence to quality standards and maintainability. • Architect solutions with a focus on scalability, modularity, and extensibility. • Maintain operational stability by monitoring system performance and addressing issues proactively.
2026-01-29T00:00:00Z