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Mid Level Full Stack Developer Jobs in Illinois (NOW HIRING)

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. Were seeking a full ...

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 ...

Our client is looking for a Full Stack Developer to join their Digital team. This team focuses on ... Seniority level Mid-Senior level Employment type Contract Job function Information Technology ...

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 ...

... engineering practices (TDD is a plus). • Work with MySQL and ORM-based data models (e.g ... Required Skills & Qualifications • 4-7 years of software development experience (full stack). • ...

Java Full Stack Developer

Northbrook, IL

$53.25 - $68.75/hr

Java Full Stack Developer (with experience on Agile XP, UI- Angular.JS or React.JS, IntelliJ -IDE, Github, Spring Framework, MongoDB, Jenkins, docker toolbox & node.JS) Job Location : Northbrook ...

Java Full Stack Developer Job Location: Riverwoods, IL Job Type: Contract Job Overview: Pay Range: $60hr - $65hr Requirement/Must Have: * 8+ years of software development experience. * Strong ...

Java Angular

Chicago, IL · On-site

$54 - $69.75/hr

4 Full Stack Engineers (React or Angular, Java/Spring, AWS), Capital One/Chicago, Hybrid, CTH - GC ... 2 Mid level role: 5+ years Please include Linkedin, github, hacker rank links etc if they have ...

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Mid Level Full Stack Developer information

See Illinois salary details

$23

$57

$83

How much do mid level full stack developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for mid level full stack 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 Mid Level Full Stack Developer job?

A Mid Level Full Stack Developer is responsible for developing and maintaining both front-end and back-end components of web applications. They have a solid understanding of programming languages, frameworks, databases, and server-side logic. Typically, they collaborate with designers, other developers, and stakeholders to implement features and optimize performance. With a few years of experience, they can work independently on tasks while contributing to project architecture and problem-solving.

What are the key skills and qualifications needed to thrive in the Mid Level Full Stack Developer position, and why are they important?

To thrive as a Mid Level Full Stack Developer, you need a solid understanding of front-end and back-end development, proficiency in programming languages like JavaScript, Python, or Java, and experience with frameworks such as React and Node.js. Familiarity with version control systems like Git, cloud platforms (e.g., AWS or Azure), and relevant certifications such as AWS Certified Developer can be advantageous. Strong problem-solving skills, effective communication, and the ability to work collaboratively set outstanding candidates apart. These skills and qualities are essential for building scalable applications and navigating the dynamic requirements of cross-functional development teams.

What types of projects and responsibilities can I expect as a Mid Level Full Stack Developer?

As a Mid Level Full Stack Developer, you’ll typically work on both client-facing and server-side components of web applications, collaborating closely with UX/UI designers, backend engineers, and product managers. You may be responsible for creating new features, debugging complex issues, optimizing application performance, and maintaining codebases. It's common to participate in code reviews and Agile sprints, ensuring best practices are followed throughout the development cycle. This role provides exposure to a wide range of technologies and business needs, offering strong opportunities for learning and career advancement as you take on more complex assignments.
What are the most commonly searched types of Full Stack Developer jobs in Illinois? The most popular types of Full Stack Developer jobs in Illinois are:
What cities in Illinois are hiring for Mid Level Full Stack Developer jobs? Cities in Illinois with the most Mid Level Full Stack Developer job openings:
Infographic showing various Mid Level Full Stack Developer job openings in Illinois as of May 2026, with employment types broken down into 1% As Needed, 96% Full Time, 2% Part Time, and 1% Contract. Highlights an 32% Physical, 9% Hybrid, and 59% Remote job distribution, with an average salary of $119,444 per year, or $57.4 per hour.
Full Stack Developer

Full Stack Developer

CACI International, Inc.

O Fallon, IL • On-site

Full-time

Medical, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Job description

Job Title: Full Stack Developer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
* * *
The Opportunity:
Be a part of a dynamic, close-knit team of mid- to senior-level professionals.
Design, develop, and implement custom software and database application capabilities for legacy and modernized systems with limited oversight
Act as a member of a product team supporting teammates and collaborating with a "do what it takes" attitude to ensure product and team success
Provide improvements to the product(s) being supported
Actively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releases
Support release planning with conceptual design and development / refinement of software engineering guidelines
Analyze complex project-related problems and creating innovative solutions involving, scheduling, technology, methodology, tools, and solution components
Provide mentoring to junior members of the team
Present ideas for system improvements. Conduct impact analysis for software changes. Produce detailed specifications and writes software code.
Work closely with business analysts, designers, and subject matter experts to understand functional requirements.
Responsibilities:
We are seeking an individual to serve as an Agile Scrum team member providing software development and maintenance for the delivery of releasable software in short sprint cycles. Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes. Therefore, a commitment to collaborative problem solving, sophisticated design, and product quality is essential.
We offer more than just a job - this is your career! CACI offers training opportunities and ways to propel your career forward. Our environment fosters both personal and professional growth. CACI takes pride in ensuring a work/life balance. Your hard work will be rewarded, and we always strive to take care of our team.
Qualifications:
Experience with Google Go
Solid knowledge of Java (Object Oriented Programming concepts).
React and Redux JavaScript libraries experience.
PostgreSQL experience
Solid knowledge of Amazon Web Services (AWS) Cloud Service Offerings (CSO)
Adheres to program configuration change control standards.
Maintains knowledge of feature and technical changes in the application.
Experience under formal software development processes.
Critical thinker with the ability to demystify complex technical requirements.
Knowledge of Secure coding practices, source code vulnerability mitigation, and remediation
Bachelor's degree in computer science or related field or equivalent combination of education and experience.
Minimum of 5 years of related experience.
Secret Clearance
Desired:
Certification in Scaled Agile Framework (SAFe) methodology.
Experience with Spring framework
Familiarity with Service Oriented Architecture / Web Services - SOAP / REST, JUNIT - Mockito, and MAVEN
Experience with Markup Languages like XML and JSON
Basic database knowledge

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$75,200-$158,100
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.