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Entry Level Backend Developer Jobs in Illinois (NOW HIRING)

Chenega MIOS

Mid Software Developer

O Fallon, IL · On-site

The Backend Software Developer will modify existing GOTS code and integrate open-source software ... From entry-level employees to senior leaders, we believe theres always room to learn. We offer ...

The LaSalle Group

Full Stack Software Engineer

Chicago, IL · On-site

$60 - $70/hr

Design and develop backend applications using Python * Build and enhance front-end components using ... Experience with CI/CD pipelines and DevOps workflows * Strong communication skills and ability to ...

Infleqtion

Quantum Software Engineer

Chicago, IL · On-site

This role is open to both entry-level and senior-level candidates. Job Responsibilities The duties ... Experience with backend development with tools such as FastAPI for web frameworks and PostgreSQL ...

Infleqtion

Quantum Software Engineer

Chicago, IL · On-site

This role is open to both entry-level and senior-level candidates. Job Responsibilities The duties ... Experience with backend development with tools such as FastAPI for web frameworks and PostgreSQL ...

Infleqtion

Quantum Software Engineer

Chicago, IL · On-site

This role is open to both entry-level and senior-level candidates. Job Responsibilities The duties ... Experience with backend development with tools such as FastAPI for web frameworks and PostgreSQL ...

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Entry Level Backend Developer information

See Illinois salary details

$11

$55

$81

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

As of Jun 25, 2026, the average hourly pay for entry 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 does an entry level backend developer do?

An entry level backend developer is responsible for building and maintaining the server-side logic, databases, and APIs for web or mobile applications. They work closely with front-end developers to ensure that data flows smoothly from the server to the user interface. Typical tasks include writing and testing code, debugging issues, and collaborating with team members to implement new features. Entry level backend developers often use programming languages such as Python, Java, or Node.js, and work with databases like MySQL or MongoDB. Their role is essential for ensuring that applications run efficiently and securely behind the scenes.

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

AspectEntry Level Backend DeveloperJunior Backend Developer
Required CredentialsTypically a bachelor's degree in Computer Science or related field; some certifications like AWS or Java may helpSimilar credentials; often includes internships or limited work experience
Work EnvironmentEntry-level roles in tech companies, startups, or agencies; focus on learning and support tasksSimilar environments; often involves assisting senior developers and gaining hands-on experience
Employer & Industry UsageCommon in software development, tech, and IT industriesWidely used in similar industries, often interchangeable in job listings

Both roles are entry-level positions requiring foundational programming skills and a basic understanding of backend technologies. The terms are often used interchangeably, but 'Junior Backend Developer' may imply slightly more experience or familiarity with specific tools. Both roles serve as stepping stones toward more advanced backend development careers.

What are some common challenges faced by entry level backend developers in their first year, and how can they overcome them?

Entry level backend developers often encounter challenges such as understanding legacy codebases, adapting to new frameworks or technologies, and ensuring their code integrates smoothly with front-end components. To overcome these, it's helpful to ask questions early, review documentation thoroughly, and participate in code reviews with more experienced team members. Collaborating closely with QA and front-end teams can also clarify requirements and improve overall product quality, making the onboarding process smoother and more effective.

What are the key skills and qualifications needed to thrive as an Entry Level Backend Developer, and why are they important?

To thrive as an Entry Level Backend Developer, you need a solid understanding of programming languages such as Java, Python, or Node.js, along with knowledge of databases and algorithms, typically supported by a computer science degree or coding bootcamp experience. Familiarity with version control systems like Git, RESTful APIs, and frameworks such as Express or Django is important. Problem-solving skills, teamwork, and effective communication help you collaborate with other developers and troubleshoot issues efficiently. These skills ensure you can build reliable server-side applications and contribute effectively to 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 are popular job titles related to Entry Level Backend Developer jobs in Illinois? For Entry Level Backend Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Entry Level Backend Developer jobs in Illinois look for? The top searched job categories for Entry Level Backend Developer jobs in Illinois are:
What cities in Illinois are hiring for Entry Level Backend Developer jobs? Cities in Illinois with the most Entry Level Backend Developer job openings:
Entry Level Backend Developer jobs near you
Infographic showing various Entry Level Backend Developer job openings in Illinois as of June 2026, with employment types broken down into 67% Full Time, 9% Part Time, 14% Contract, and 10% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $116,367 per year, or $55.9 per hour.
Mid Software Developer

Mid Software Developer

Chenega Agile Real-Time Solutions

O Fallon, IL

Full-time

Posted 10 days ago

Job description

Overview

Mid Software Developer

O'Fallon, IL

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level! 

Chenega Agile Real-Time Solutions (CARS) was created with the purpose of providing integrated enterprise IT support to Federal customers both CONUS and OCONUS. CARS employs Subject Matter Experts (SMEs) with decades of experience working in the Federal marketplace. 

Chenega Agile Real-Time Solutions (CARS) is seeking a Mid Software Developer to join the FS2 - Foundation Solutions team. The Backend Software Developer will modify existing GOTS code and integrate open-source software solutions for display and analysis within Aeronautical Production Systems.

Responsibilities
  • Coding, developing, integrating, and debugging Python, React, C#, and other languages. Strong familiarity with Python Flask, Mapping, Gitlab/DevOps, and ESRI development
  • Writing validation tests against existing code baselines to ensure the integrity of the code during Agile development efforts.
  • Assisting with unit testing.
  • Writing scripts to automate AWS and RDS tasks.
  • Performs software systems development, including the design, development, troubleshooting, and debugging of software programs for software enhancements and new software-intensive systems and products.
  • Participate in peer reviews and unit testing, and must be adaptable to different responsibilities.
  • Duties include software requirements analysis, development of software products.
  • This role is responsible for identifying software and hardware dependencies and capacities.
  • Other duties as assigned
Qualifications
  • BS degree and 2+ years of prior relevant experience OR
  • Master's 2+years of prior relevant experience; OR
  • High School diploma or GED equivalent and 6+ years of related experience.
    • Adept at leveraging a comprehensive suite of AWS services, including Amazon S3 for storage, EC2 for compute, and Lambda for serverless functions. This expertise is complemented by strong experience in Python and shell scripting to automate cloud operations and streamline infrastructure management.
    • Possession of an AWS Certified Developer - Associate certification is a strong plus.
    • Experience in either software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
    • Experience with TypeScript, Node.js/Express, ASP.NET Core Web API, Swagger (OpenAPI), C#, and Postgres
    • Familiarity with REST principles.
    • Experience with DevSecOps, including Kubernetes and Docker.
    • Experience with Python and .NET Core (coding, developing, designing, integrating, and debugging)
    • Experience with Linux Administration (including writing Bash scripts)
    • Experience scripting to automate AWS and RDS tasks
    • Experience using AWS SDK API tools to build on AWS. Lambdas, EC2, and React.
    • Experience implementing JavaScript, Java, and SQL
  • Background check
  • Successfully pass background and drug screening

Preferred Qualifications:

  • Master's Degree with 2+ years of prior relevant experience
  • Active TS/SCI Clearance

 

Knowledge, Skills, and Abilities:

  • Ability to obtain TS/SCI Clearance
  • Ability to work independently and yet be effective within a team setting
  • Must be capable of managing multiple efforts with time-related constraints in a fast-paced contracting environment
  • Demonstrated ability to effectively communicate and collaborate with diverse internal and external stakeholder groups and individuals
  • Friendly presence, helpful attitude, good interpersonal skills, and ability to work well with others.
  • Excellent skills in Microsoft Word, Excel, and other Office applications
  • Proficient with Microsoft Office Applications, and experience working in a home office setting, as well as the ability to train end users on frequently asked technical issues.
  • Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired.
  • Good problem-solving skills; ability to visualize a problem/situation and think abstractly to solve it

How you'll grow 

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there's always room to learn. 

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers. 

Benefits 

At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits. 

Learn more about what working at Chenega MIOS can mean for you. 

Chenega MIOS's culture 

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives. 

Corporate citizenship 

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities. 

Learn more about Chenega's impact on the world. 

Chenega MIOS News- https://chenegamios.com/news/ 

Tips from your Talent Acquisition Team 

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links: 

Chenega MIOS web site - www.chenegamios.com 

Glassdoor - https://www.glassdoor.com/Overview/Working-at-Chenega-MIOS-EI_IE369514.11,23.htm 

LinkedIn - https://www.linkedin.com/company/1472684/ 

Facebook - https://www.facebook.com/chenegamios/ 

#Chenega Agile Real Time Solutions, LLC

Employment Type: FULL_TIME

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