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Mid Level Backend Developer Jobs in Illinois (NOW HIRING)

Spruce Infotech

Java Backend Developer

Chicago, IL · On-site

$52 - $67.50/hr

We are looking for an experienced Backend Developer with strong expertise in API development using ... Experience with enterprise-level application development * Ex-NT candidates

Atria Group LLC

Mid Level Java Developer

Chicago, IL

Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...

Photon

Android Developer

Deerfield, IL · On-site

$56.75 - $74.50/hr

Perform and implement daily operational activities impacting mid-level components of the technology ... Evaluate compatibility of applications with existing APIs, backend systems, and mobile device ...

Leidos

Mid-Level Software Engineer

Maryville, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Columbia, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Belleville, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Hartford, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

South Roxana, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Dupo, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Glen Carbon, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Caseyville, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

East Carondelet, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Granite City, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

East Saint Louis, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Wood River, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Fairview Heights, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

GDIT

Dashboard Developer, Mid-Level

Scott Air Force Base, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The mid-level dashboard developer uses the power of their analytical skills to assist and improve the defense industry in numerous ways, working closely with customers to understand their questions ...

Leidos

Mid-Level Software Engineer

Collinsville, IL · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

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Showing results 21-40

All JobsMid Level Backend Developer JobsMid Level Backend Developer Jobs in Illinois

Mid Level Backend Developer information

See Illinois salary details

$11

$55

$81

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

As of Aug 17, 2026, the average hourly pay for mid level backend developer in Illinois is $55.95, according to ZipRecruiter salary data. Most workers in this role earn between $45.87 and $66.15 per hour, depending on experience, location, and employer.

What are some typical challenges a mid level backend developer might face when working on large-scale applications?

As a Mid Level Backend Developer, you may frequently encounter challenges related to maintaining code quality and ensuring scalability as applications grow. Managing database performance, optimizing API responses, and integrating with legacy systems are common tasks that require both technical skill and problem-solving ability. Collaboration with frontend developers, DevOps engineers, and QA testers is essential to ensure smooth deployments and consistent user experiences. Staying up-to-date with new frameworks and technologies, while balancing project deadlines, is also a key part of the role.

What is a mid level backend developer?

Mid Level Backend Developers are software engineers who specialize in developing and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They usually have a few years of professional experience and are proficient in programming languages like Java, Python, Node.js, or Ruby. These developers are responsible for ensuring that data flows efficiently between the server and users, optimizing performance, and collaborating with front-end developers and other team members. Their role often includes troubleshooting server issues, writing automated tests, and implementing security best practices.

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

AspectMid Level Backend DeveloperJunior Backend Developer
Experience2-4 years0-2 years
SkillsProficient in backend frameworks, databases, API developmentBasic understanding of backend concepts, learning frameworks
ResponsibilitiesDeveloping features, troubleshooting, code reviewsAssisting in tasks, learning codebase, bug fixing
Work EnvironmentCollaborates with teams, independent problem-solving

The main difference between a Mid Level Backend Developer and a Junior Backend Developer lies in experience and skill level. Mid level developers have more hands-on experience, handle complex tasks independently, and contribute significantly to project development. Junior developers are still learning, focusing on foundational tasks and gaining industry knowledge. This distinction helps employers identify the right candidate for different stages of project involvement.

What are the key skills and qualifications needed to thrive as a mid level backend developer?

To thrive as a Mid Level Backend Developer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of server-side logic, and experience with relational and non-relational databases. Familiarity with frameworks (such as Spring or Express), RESTful API development, version control systems (like Git), and containerization tools (like Docker) is typically required. Effective problem-solving, collaboration, and clear communication are standout soft skills for this role. These abilities are crucial for building reliable, scalable backend systems and working efficiently within development teams.

What are the most commonly searched types of Backend Developer jobs in Illinois?

The most popular types of Backend Developer jobs in Illinois are:

What cities in Illinois are hiring for Mid Level Backend Developer jobs?

Cities in Illinois with the most Mid Level Backend Developer job openings:

Mid Level Backend Developer jobs near you

Java Backend Developer

Spruce Infotech

Chicago, IL • On-site

$52 - $67.50/hr

Contractor

Re-posted yesterday

Job description

We are looking for an experienced Backend Developer with strong expertise in API development using Spring Boot on the Azure platform. The ideal candidate should have hands-on experience designing, building, and maintaining scalable backend services and RESTful APIs.
Key Requirements:
  • Strong experience in backend API development using Spring Boot
  • Hands-on experience working on the Azure cloud platform
  • Solid understanding of RESTful services and microservices architecture
  • Experience with enterprise-level application development
  • Ex-NT candidates

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