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Full Stack Application Developer Jobs in Illinois

Next Step Systems

Full Stack Developer

Chicago, IL · On-site

Full Stack Developer, Chicago, IL Hiring a Full Stack Developer now! Urgent need! Looking for ... Advanced knowledge of application, data and infrastructure architecture disciplines ...

Next Step Systems

Full Stack Java Developer

Chicago, IL · On-site

$54 - $69.75/hr

Full Stack Java Developer, Chicago, IL We are hiring a Full Stack Java Developer now! Urgent need ... Advanced knowledge of application, data and infrastructure architecture disciplines ...

Zmodo AI Inc

Full Stack Developer

Champaign, IL · On-site

Full Stack Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve ... Ensure application performance, uptime, and scale, maintaining high standards of code quality and ...

Smartz

Full Stack Developer

Champaign, IL

Full Stack Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve ... Ensure application performance, uptime, and scale, maintaining high standards of code quality and ...

Smartz

Full Stack Developer

Champaign, IL · On-site

Full Stack Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve ... Ensure application performance, uptime, and scale, maintaining high standards of code quality and ...

Navtech, Inc.

Full Stack .Net Developer

Chicago, IL · On-site

I have an opportunity for a "Full stack .NET Developer" - Chicago, IL (Remote). and I am looking ... Experience working in an Agile/Devops environment contributing to automation of application build ...

Tekcel8

.NET Full Stack Developer

Chicago, IL · On-site

NET Full Stack Developer with 8+ years of hands-on experience in designing, developing, and ... · Optimize application performance and troubleshoot production issues. · Write clean ...

Addison Group

Full Stack Engineer

Chicago, IL · On-site

$65 - $75/hr

This role requires a true full-stack developer who is equally comfortable creating responsive user ... The selected engineer will take ownership of complete application features, including front-end ...

New

Addison Group

Full Stack Engineer

Chicago, IL · On-site

$65 - $75/hr

This role requires a true full-stack developer who is equally comfortable creating responsive user ... The selected engineer will take ownership of complete application features, including front-end ...

New

Robert Half

Full Stack Developer

Clarendon Hills, IL · On-site

$130K - $150K/yr

We are looking for a senior Full Stack Developer to join a client-focused software team in ... application architecture, and scalable solution development. • Proficiency with Microsoft ...

DataDelivers LLC

Full Stack Engineer

Schaumburg, IL · On-site

$115K - $130K/yr

Full Stack Engineer Product Strategy & Technology Team (PST) Reports to: Director of Product ... Write, debug, and optimize SQL queries for data access, reporting, and application support * Read ...

DataDelivers LLC

Full Stack Engineer

Schaumburg, IL · On-site

$115K - $130K/yr

Full Stack Engineer Product Strategy & Technology Team (PST) Reports to: Director of Product ... Write, debug, and optimize SQL queries for data access, reporting, and application support * Read ...

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All JobsFull Stack Application Developer JobsFull Stack Application Developer Jobs in Illinois

Full Stack Application Developer information

See Illinois salary details

$23

$57

$83

How much do full stack application developer jobs pay per hour?

As of Jul 23, 2026, the average hourly pay for full stack application developer in Illinois is $57.42, according to ZipRecruiter salary data. Most workers in this role earn between $47.74 and $66.15 per hour, depending on experience, location, and employer.

What is a Full Stack Application Developer?

A Full Stack Application Developer is a software professional who is skilled in both front-end and back-end development. This means they can work on the user interface, server-side logic, databases, and sometimes even deployment and infrastructure. Full Stack Developers are versatile and can handle multiple aspects of building and maintaining web applications. Their broad skill set allows them to work across the entire technology stack, making them valuable assets to development teams.

What are the key skills and qualifications needed to thrive as a Full Stack Application Developer, and why are they important?

To thrive as a Full Stack Application Developer, you need strong proficiency in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Node.js, Python, or Java) and a solid understanding of software development principles. Familiarity with frameworks like React or Angular, database systems (SQL or NoSQL), version control (Git), and potentially certifications like AWS Certified Developer are commonly expected. Problem-solving, adaptability, and effective communication are vital soft skills, enabling collaboration and efficient troubleshooting. These combined skills ensure the ability to independently build, maintain, and scale robust applications that meet user and business needs.

What are some common challenges Full Stack Application Developers face when managing both front-end and back-end tasks?

Full Stack Application Developers often encounter the challenge of balancing priorities between front-end user experience and back-end system performance. Staying proficient in a wide range of technologies and frameworks can be demanding, especially as projects scale or new tools are adopted. Effective communication with both UI/UX designers and server-side engineers is essential to ensure cohesive integration and smooth workflows. Adapting to frequent context switching and troubleshooting across the entire stack requires strong organizational skills and a proactive approach to learning.
What cities in Illinois are hiring for Full Stack Application Developer jobs? Cities in Illinois with the most Full Stack Application Developer job openings:
Full Stack Application Developer jobs near you
Infographic showing various Full Stack Application Developer job openings in Illinois as of July 2026, with employment types broken down into 76% Full Time, 18% Part Time, 1% Temporary, and 5% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $119,444 per year, or $57.4 per hour.
Full-Stack Application Engineer

Full-Stack Application Engineer

System One Holdings, LLC

Schaumburg, IL • On-site

$95K - $105K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 16 days ago

Job description

Job Title: Full-Stack .NET Application Engineer
Location: Schaumburg, Illinois
Type: Contract To Hire
Compensation: $105,000 annual
Work Model: Hybrid - onsite and remote
Hours: 40.0:
Responsibilities
• Design, develop, and maintain full-stack applications using .NET / .NET Core, C#, RESTful APIs, and modern UI frameworks, primary focus on backend development (~60%) and significant frontend responsibilities (~40%)
• Maintain and enhance existing ELD(Executive Liability Division) applications, frameworks, and shared libraries
• Design and implement new features aligned with ELD(Executive Liability Division) business processes and workflows
• Troubleshoot production issues and provide ongoing application support
• Ensure compliance with security, performance, and architectural standards
• Contribute to modernization initiatives, including framework evolution and technical debt reduction
• Collaborate with cross-functional teams to define, design, and deliver high-quality solutions
• Participate in code reviews, testing, CI/CD, and deployment processes
Requirements
• Strong experience with .NET / .NET Core and C#
• Hands-on experience with Entity Framework Core (EF Core) and ORM best practices
• Proven experience designing and developing RESTful APIs and microservices architectures
• Solid understanding of object-oriented programming (OOP), design patterns, and clean architecture principles
• Experience with SQL Server or other relational databases, including query optimization, indexing, and stored procedures
• Familiarity with authentication and authorization mechanisms (OAuth, JWT, identity frameworks)
• Experience with modern JavaScript frameworks (Angular, React, Vue, etc.)
• Angular strongly preferred; candidates without Angular experience must demonstrate ability to ramp quickly
• Strong proficiency in: TypeScript, JavaScript (ES6+), HTML5, CSS3, responsive design principles, component-based UI architectures, familiarity with UI libraries like Angular Material or Bootstrap
• Modern engineering practices including using Git, CI/CD pipelines, containerization (Docker), and cloud platforms (Azure preferred)
• Exposure to or experience with AI-assisted development tools such as GitHub Copilot is a plus
• Ability to work independently and within a team, with strong communication skills
• Knowledge of microservices, distributed systems, event-driven architectures, and API gateways is a plus
• Prior experience in insurance or underwriting systems and legacy system modernization initiatives is desirable
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Ref: #861-Cincinnati-S1

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