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Sr Full Stack Dot Net Developer Jobs in Illinois

Spruce Infotech

Fullstack Developers (Sr)

Chicago, IL · On-site

Senior Full Stack Developer Job Summary Seeking a Senior Full Stack Developer to support a client ... NET, SQL, Python, Java, various APIs, automation tools, and cloud services (e.g., Azure, AWS, GCP ...

Smartz

Senior Full Stack Developer

Champaign, IL · On-site

Senior Full Stack Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We're seeking a full ...

Zmodo AI Inc

Senior Full Stack Developer

Champaign, IL · On-site

Senior Full Stack Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We're seeking a full ...

Smartz

Senior Full Stack Developer

Champaign, IL · On-site

Senior Full Stack Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We're seeking a full ...

Noblesoft Technologies

Full Stack developer

Chicago, IL · On-site

NET Core, API, C#, and microservices development with tangible projects to reference for their work ... senior who is programming for most of their day and can provide specific project details of the ...

Fitch Solutions

Senior Full Stack Engineer

Chicago, IL · Hybrid

$120K - $130K/yr

Collaborate with DevOps and other squads on the CI/CD pipeline. * Provide support on production ... You possess in-depth knowledge of JavaScript, React, Nodejs and Python, C#, .NET * You have ...

Dellfor Technologies

senior .net developer

Illinois City, IL · On-site

$52.50 - $66.75/hr

As a full stack engineer your contribution will have a direct impact on our customer experience and ... NET MVC applications, SPA, responsive UI. Senior level experience in .Net, Entity Framework, SQL ...

Fitch Group

Senior Full Stack Engineer

Chicago, IL · On-site

$120K - $130K/yr

Collaborate with DevOps and other squads on the CI/CD pipeline. * Provide support on production ... You possess in-depth knowledge of JavaScript, React, Nodejs and Python, C#, .NET * You have ...

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All JobsSr Full Stack Dot Net Developer JobsSr Full Stack Dot Net Developer Jobs in Illinois

Sr Full Stack Dot Net Developer information

What is a Sr Full Stack Dot Net Developer?

A Sr Full Stack Dot Net Developer is an experienced software engineer who designs, develops, and maintains both front-end and back-end components of web applications using Microsoft’s .NET framework and related technologies. They are proficient in languages like C#, ASP.NET, JavaScript, HTML, and CSS, and often work with databases such as SQL Server. Senior developers not only write code but also make architectural decisions, mentor junior team members, and ensure the security, scalability, and performance of applications. Their role requires a deep understanding of the software development lifecycle and the ability to collaborate with cross-functional teams.

What are the key skills and qualifications needed to thrive as a Sr Full Stack Dot Net Developer?

To thrive as a Sr Full Stack Dot Net Developer, you need deep expertise in C#, ASP.NET, front-end frameworks (like Angular or React), and strong knowledge of database design, typically supported by a bachelor's degree in computer science or a related field. Proficiency in Visual Studio, SQL Server, source control systems like Git, and familiarity with cloud platforms such as Azure or AWS is essential, with certifications like Microsoft Certified: Azure Developer Associate being advantageous. Excellent problem-solving, teamwork, and communication skills help developers collaborate effectively and adapt to changing project requirements. These skills and qualities are vital to deliver robust, scalable solutions that meet business needs in complex, fast-paced development environments.

What are some common challenges a Sr Full Stack Dot Net Developer faces when balancing backend and frontend responsibilities?

As a Sr Full Stack Dot Net Developer, one of the main challenges is effectively managing the demands of both backend and frontend development, especially when projects require deep expertise in multiple technologies. Staying up-to-date with the latest frameworks, such as ASP.NET Core for backend and popular JavaScript libraries for frontend, can be time-consuming. Additionally, collaborating with specialized team members—like UX designers or DevOps engineers—requires strong communication to ensure seamless integration and deployment. Balancing these aspects while meeting project deadlines is a key part of the role.

What is the difference between Sr Full Stack Dot Net Developer vs Full Stack Java Developer?

AspectSr Full Stack Dot Net DeveloperFull Stack Java Developer
Required CredentialsBachelor's in CS or related, .NET certificationsBachelor's in CS or related, Java certifications
Work EnvironmentMicrosoft-based tech stacks, enterprise applicationsJava-based tech stacks, web and enterprise apps
Employer & Industry UsageFinancial, healthcare, enterprise sectorsTech firms, startups, enterprise sectors
Common Search & ComparisonYesYes

The main difference between a Sr Full Stack Dot Net Developer and a Full Stack Java Developer lies in the technology stack they specialize in. The Dot Net developer focuses on Microsoft technologies and enterprise applications, while the Java developer works primarily with Java-based frameworks. Both roles require similar credentials and are used across various industries, but their tech stacks and specific project types differ.

What are popular job titles related to Sr Full Stack Dot Net Developer jobs in Illinois?

For Sr Full Stack Dot Net Developer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Sr Full Stack Dot Net Developer jobs in Illinois look for?

The top searched job categories for Sr Full Stack Dot Net Developer jobs in Illinois are:

What cities in Illinois are hiring for Sr Full Stack Dot Net Developer jobs?

Cities in Illinois with the most Sr Full Stack Dot Net Developer job openings:

Sr Full Stack Dot Net Developer jobs near you
Infographic showing various Sr Full Stack Dot Net Developer job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Fullstack Developers (Sr)

Spruce Infotech

Chicago, IL • On-site

Other

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Senior Full Stack Developer
Job Summary
Seeking a Senior Full Stack Developer to support a client in the insurance industry located in the western Chicago suburbs. This is a 9-month contract engagement (through year-end 2026) with a preference for candidates able to work in a hybrid model (2-3 days per week onsite during ramp-up, with flexibility thereafter).
This role will be part of a new Rapid Delivery team and the senior-most developer. The Developer will be responsible for designing and building small-to-mid-sized solutions that address immediate business needs. He/She will operate as a highly versatile technical lead, combining development, solution design, and business-facing skills to take initiatives from concept through delivery. This individual must be comfortable navigating ambiguity, working across multiple technologies, and collaborating directly with stakeholders to shape effective solutions. The ideal candidate will combine broad exposure to different tech stacks, fluency in development best practices and concepts, and polished business presence. Candidates with a narrow tech stack specialization will be intentionally avoided here.
Key Responsibilities
  • Own end-to-end delivery of solutions, including design, development, testing, and release preparation
  • Engage directly with business stakeholders to understand needs, refine requirements, and shape solutions
  • Recommend appropriate technologies and approaches aligned with both business goals and IT standards
  • Collaborate with internal IT teams to review and validate architectural approaches
  • Build scalable, maintainable solutions across multiple technologies and platforms
  • Ensure clean handoff of completed solutions to support and operations teams
  • Contribute to continuous delivery across multiple concurrent initiatives
  • Navigate organizational challenges and drive progress in a fast-paced delivery model

Required Skills & Experience
  • 8+ years of full stack development experience with broad, multi-technology exposure
  • Strong ability to translate business problems into technical solutions
  • Experience with a range of technologies such as .NET, SQL, Python, Java, various APIs, automation tools, and cloud services (e.g., Azure, AWS, GCP, etc.)
  • Demonstrated experience with solution design and light architecture responsibilities
  • Strong communication skills with the ability to work directly with non-technical stakeholders
  • Experience operating in fast-paced, iterative delivery environments
  • Ability to adapt quickly and work across different stacks depending on project needs

Apply