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Mid Level Web Developer Jobs in Illinois (NOW HIRING)

They are seeking a talented and versatile Mid-Level Full Stack Developer to develop and maintain robust web applications, create user interfaces, and collaborate with cross-functional teams to ...

Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Web Software Developer to support an IT Service Management effort for ...

Mid-Level Software Engineer

Columbia, IL · On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Mid-Level Software Engineer

Roxana, IL · On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Mid-Level Software Engineer

Venice, IL · On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Mid-Level Software Engineer

Dupo, IL · On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Mid-Level Software Engineer

Hartford, IL · On-site

$87K - $157K/yr

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

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Showing results 1-20

Mid Level Web Developer information

See Illinois salary details

$16

$43

$69

How much do mid level web developer jobs pay per hour?

As of Jul 16, 2026, the average hourly pay for mid level web developer in Illinois is $43.72, according to ZipRecruiter salary data. Most workers in this role earn between $33.56 and $52.88 per hour, depending on experience, location, and employer.

What is the difference between Mid Level Web Developer vs Junior Web Developer?

AspectMid Level Web DeveloperJunior Web Developer
Experience2-4 years0-1 year
SkillsProficient in multiple programming languages, frameworks, and problem-solvingBasic understanding of web development, learning core skills
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, basic coding
CertificationsOptional, but common certifications include HTML, CSS, JavaScript

The main difference between a Mid Level Web Developer and a Junior Web Developer lies in experience, skill proficiency, and responsibilities. Mid Level Web Developers have more hands-on experience, can handle complex tasks independently, and contribute more significantly to projects. Junior Web Developers are still building foundational skills and typically work under supervision. Employers seek Mid Level Web Developers for their ability to contribute immediately, while Junior Web Developers are often entry-level candidates focused on learning and growth.

What are some common challenges faced by mid-level web developers, and how can they effectively overcome them?

Mid-level web developers often encounter challenges such as balancing multiple projects, adapting to rapidly evolving technologies, and collaborating across multidisciplinary teams. To overcome these, it's helpful to prioritize tasks using project management tools, stay updated by participating in code reviews and learning sessions, and communicate clearly with designers, backend engineers, and stakeholders. Embracing continuous learning and seeking mentorship from senior developers can also support growth and help tackle complex problems more confidently.

What are Mid Level Web Developers?

Mid Level Web Developers are professionals with a few years of experience who design, build, and maintain websites and web applications. They possess strong knowledge of front-end and back-end technologies, such as HTML, CSS, JavaScript, and often server-side languages like Python, Ruby, or PHP. At this level, developers are expected to work independently on projects, contribute to architecture decisions, and sometimes mentor junior developers. They bridge the gap between entry-level and senior developers, taking on more responsibility and complex tasks.

What are the key skills and qualifications needed to thrive as a Mid Level Web Developer, and why are they important?

To thrive as a Mid Level Web Developer, you need a solid grasp of HTML, CSS, JavaScript, and at least one modern web framework, as well as a relevant degree or equivalent experience. Familiarity with version control systems like Git, experience with APIs, and understanding of build tools or cloud platforms are typically required. Strong problem-solving, teamwork, and effective communication skills help you deliver robust solutions and collaborate with stakeholders. These competencies are crucial for building scalable, maintainable applications and contributing effectively to dynamic development teams.
What are the most commonly searched types of Web Developer jobs in Illinois? The most popular types of Web Developer jobs in Illinois are:
What cities in Illinois are hiring for Mid Level Web Developer jobs? Cities in Illinois with the most Mid Level Web Developer job openings:
Infographic showing various Mid Level Web Developer job openings in Illinois as of July 2026, with employment types broken down into 88% Full Time, 2% Part Time, 1% Temporary, and 9% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $90,941 per year, or $43.7 per hour.
Mid-Level Full Stack Developer

Mid-Level Full Stack Developer

UST

Chicago, IL • On-site

Full-time

Re-posted 25 days ago


UST rating

8.8

Company rating: 8.8 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

33rd of 451 rated business services


Job description

Job Summary:
UST is a mission-driven company that transforms lives through technology. They are seeking a talented and versatile Mid-Level Full Stack Developer to develop and maintain robust web applications, create user interfaces, and collaborate with cross-functional teams to deliver new features.
Responsibilities:
• Develop and maintain robust web applications across the full stack.
• Create responsive and intuitive user interfaces using Angular.js.
• Build and maintain scalable and efficient server-side applications using Python or Java.
• Utilize Amazon Web Services (AWS) to deploy, manage, and scale applications, leveraging core services such as EC2, S3, RDS, Lambda, and more.
• Collaborate with cross-functional teams, including designers, product managers, and other engineers, to define, design, and ship new features.
• Participate in the entire software development lifecycle, from conception to deployment and maintenance.
• Write clean, well-documented, and testable code, and participate in code reviews.
• Troubleshoot, debug, and upgrade existing software to ensure optimal performance.
• Stay up to date with emerging technologies and industry best practices to ensure our tech stack remains modern and effective.
Qualifications:
Required:
• Minimum of 5+ years of professional experience in full stack software development.
• Proven experience developing applications with Angular.js, including knowledge of relevant libraries and frameworks such as: Angular UI Bootstrap, Tailwind, PrimeNG.
• Experience with testing frameworks such as Jasmine and/or Karma.
• Strong proficiency in either Java or Python for backend development.
• For Python, experience with popular frameworks is required, such as: Hands on experience with frameworks like FastAPI, Django or Flask.
• Experience with Python testing frameworks such as Pytest for unit and integration testing.
• In-depth knowledge of core AWS services (e.g., EC2, S3, RDS, IAM, Lambda, API Gateway) and hands-on experience deploying applications in a cloud-native AWS environment.
• Experience with relational and/or NoSQL databases (e.g., MySQL, PostgreSQL, DynamoDB).
• Solid understanding of RESTful APIs, web services, and asynchronous request handling.
• Proficiency with version control systems, specifically Git.
• Experience working in an Agile development environment.
Preferred:
• Familiarity with other modern JavaScript frameworks such as Vue.js.
• Experience with serverless architectures using AWS Lambda.
• Knowledge of CI/CD practices and tools.
Company:
UST is a global digital transformation solutions provider. Founded in 1999, the company is headquartered in Waltham, USA, with a team of 10001+ employees. The company is currently Late Stage.

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