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Systems Developer Jobs in Illinois (NOW HIRING)

NinjaHoldings

Lead Risk Systems Developer

Chicago, IL · On-site +1

Bachelor's degree in a quantitative or business discipline (e.g., math, statistics, finance, economics, engineering, or other quantitative fields) * 4+ years of professional experience as a Business ...

NinjaHoldings

Lead Risk Systems Developer

Chicago, IL · On-site +1

$115K - $160K/yr

Bachelor's degree in a quantitative or business discipline (e.g., math, statistics, finance, economics, engineering, or other quantitative fields) * 4+ years of professional experience as a Business ...

Next Step Systems

Senior Systems Engineer

Chicago, IL · On-site

$107K - $147K/yr

Senior Systems Engineer, Chicago IL This Senior Systems Engineer position is fully onsite. Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global ...

Next Step Systems

Senior Trading Systems Engineer

Chicago, IL · On-site

$107K - $147K/yr

Senior Trading Systems Engineer, Chicago, IL This Senior Trading Systems Engineer position is 100% fully onsite. Responsibilities: - Work collaboratively with technology and business teams on all ...

Aquatic Capital Management

Systems Engineer

Chicago, IL · On-site

$150K - $300K/yr

Developer Experience & Automation * Design and maintain provisioning systems for complex compute resources and datacenter onboarding. * Own and improve CI/CD infrastructure (GitHub Actions) as well ...

Aquatic Capital Management

Systems Engineer

Chicago, IL

$150K - $300K/yr

Developer Experience & Automation * Design and maintain provisioning systems for complex compute resources and datacenter onboarding. * Own and improve CI/CD infrastructure (GitHub Actions) as well ...

Amyx, Inc.

Systems Engineer

O Fallon, IL · On-site

Overview Amyx is seeking a Systems Engineer to join our Dept. of Defense client at Scott Air Force Base in O'fallon, IL. Responsibilities * This position will focus on being able to provide systems ...

Amyx, Inc.

Systems Engineer

O Fallon, IL

Amyx is seeking a Systems Engineer to join our Dept. of Defense client at Scott Air Force Base in O'fallon, IL. * This position will focus on being able to provide systems and technical engineering ...

Akuna Capital

Systems Engineer

Chicago, IL · On-site +1

$120K/yr

What you will do as a Systems Engineer at Akuna: We are looking for a versatile and driven Systems Engineer to join our Engineering team in building a best-in-class trading infrastructure. In this ...

Aqueity

AI Systems Engineer

Downers Grove, IL · On-site

AI Systems Engineer Aqueity, a leading IT managed services provider, is looking for a skilled AI Systems Engineer. The AI Systems Engineer will design, implement, and support AI-driven solutions ...

Akuna Capital

Systems Engineer

Chicago, IL · On-site

$120K/yr

What you will do as a Systems Engineer at Akuna: We are looking for a versatile and driven Systems Engineer to join our Engineering team in building a best-in-class trading infrastructure. In this ...

Aqueity

AI Systems Engineer

Downers Grove, IL · On-site

$90K - $115K/yr

AI Systems Engineer Aqueity, a leading IT managed services provider, is looking for a skilled AI Systems Engineer. The AI Systems Engineer will design, implement, and support AI-driven solutions ...

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Systems Developer information

See Illinois salary details

$11

$47

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How much do systems developer jobs pay per hour?

As of Jun 12, 2026, the average hourly pay for systems developer in Illinois is $47.35, according to ZipRecruiter salary data. Most workers in this role earn between $40.05 and $55.43 per hour, depending on experience, location, and employer.

What Is a Systems Developer?

A systems developer designs software applications and computer systems for business use. Your job duties as a systems developer include designing system architecture, developing applications, testing projects prior to deployment, debugging and troubleshooting issues, and providing regular maintenance and fixes for computer applications and systems. The qualifications you need for a career as a systems developer include a bachelor’s degree in computer science, the ability to write code in a variety of programming languages, problem-solving skills, and experience working in the information technology space.

How does a Systems Developer typically collaborate with other IT professionals in a project environment?

Systems Developers often work closely with other IT professionals such as software engineers, network administrators, and business analysts. Collaboration usually involves participating in project planning meetings, integrating their code with other system components, and troubleshooting issues as a team. Effective communication is vital, as Systems Developers must ensure their work aligns with broader technical requirements and organizational goals. They may also provide technical support and documentation to help other team members understand their contributions.

What engineers make $500,000?

Senior software engineers, especially those with expertise in high-demand areas like machine learning, cloud computing, or cybersecurity, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and working at large tech companies or startups with significant funding.

What are systems developers?

Systems developers are IT professionals who design, build, and maintain the underlying software and infrastructure that power computer systems and networks. Unlike application developers, systems developers focus on operating systems, network protocols, and system-level software that enables other applications to run efficiently. Their work is crucial for ensuring system reliability, security, and performance. They may also collaborate with hardware engineers to optimize the interaction between software and hardware components.

What does a systems developer do?

A systems developer designs, develops, tests, and maintains software systems and applications, often working with programming languages like Java, C++, or Python. They analyze user requirements, create technical specifications, and ensure systems operate efficiently and securely, frequently collaborating with other IT professionals and using tools such as integrated development environments (IDEs).

Will AI replace coders by 2040?

Systems developers and other coding professionals will continue to play a vital role in designing, maintaining, and improving AI systems. While AI can automate certain coding tasks, human expertise is essential for complex problem-solving, creativity, and ethical considerations, making complete replacement unlikely by 2040.

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

To thrive as a Systems Developer, you need a strong background in computer science, programming languages such as Java, C++, or Python, and experience with systems architecture. Familiarity with development tools, version control systems (like Git), and knowledge of operating systems is typically expected, and certifications in relevant technologies can be beneficial. Analytical thinking, problem-solving abilities, and effective communication are essential soft skills that help you collaborate and adapt to changing requirements. These skills and qualities are crucial for designing, implementing, and maintaining robust systems that meet organizational needs efficiently.

What is L1, L2, L3, and L4 developer?

In the context of systems development, L1, L2, L3, and L4 developers typically refer to different levels of technical expertise and responsibility. L1 developers are entry-level, handling basic tasks and troubleshooting, while L2 and L3 developers have more experience and handle complex issues and system design. L4 developers are senior or lead engineers responsible for architecture, mentoring, and strategic planning within a development team.
More about Systems Developer jobs
What are the most commonly searched types of Systems Developer jobs in Illinois? The most popular types of Systems Developer jobs in Illinois are:
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What job categories do people searching Systems Developer jobs in Illinois look for? The top searched job categories for Systems Developer jobs in Illinois are:
What cities in Illinois are hiring for Systems Developer jobs? Cities in Illinois with the most Systems Developer job openings:
What are popular job titles related to Systems Developer jobs in IL? For Systems Developer jobs in IL, the most frequently searched job titles are:
Systems Developer jobs near you
Infographic showing various Systems Developer job openings in Illinois as of June 2026, with employment types broken down into 87% Full Time, 9% Part Time, and 4% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $98,481 per year, or $47.3 per hour.
Lead Risk Systems Developer

Lead Risk Systems Developer

NinjaHoldings

Chicago, IL • On-site, Remote

Full-time

Posted 15 days ago

Job description

NinjaHoldings was founded in 2017 by a team seeking to revolutionize the way everyday Americans interact with financial services. Through our CreditNinja and NinjaCard brands, we empower people overlooked by traditional financial institutions to take control of their finances via a full suite of digital banking and lending products, providing incentives and rewards along the way as we guide them on a path to financial improvement. Through our NinjaEdge brand, we help companies better understand their customers by offering a package of bespoke underwriting, fraud detection, and analytics services. With offices in Chicago, Miami, and around the world through the power of remote work, we are a lean and innovative team always seeking like-minded talent to join us in our fight to disrupt consumer finance.

Key Responsibilities:

  • Design, implement, and thoroughly test changes to the customer acquisition and underwriting decision engines to optimize origination volume and loan performance
  • Write and maintain a suite of unit and regression test cases to ensure the accuracy of changes to the customer acquisition and underwriting decision engines
  • Monitor performance of the decision engines
  • Establish decision performance metrics and develop automated reporting and alerting using SQL and Python
  • Collaborate with cross-functional teams to implement marketing or underwriting strategy changes, monitor releases, and perform impact analysis
  • Communicate concise and actionable business strategy recommendations to senior management

Ideal Candidate Will Have:

  • Bachelor's degree in a quantitative or business discipline (e.g., math, statistics, finance, economics, engineering, or other quantitative fields)
  • 4+ years of professional experience as a Business Analyst or QA
  • 2+ years of experience working with python and SQL for data analysis in a professional setting
  • Working SQL knowledge and experience working with relational databases, query authoring, as well as familiarity with a variety of databases
  • Strong quantitative and problem-solving skills with key attention to detail
  • Ability to work effectively while managing multiple projects with tight deadlines, understand the project requirements with minimal guidance, follow through to completion

Additional Pluses:

  • Experience working with specialty finance or FinTech
  • Advanced degree in quantitative discipline (e.g., math, statistics, analytics, quantitative finance, engineering, or other quantitative fields)
  • Experience with BI reporting tools
  • Experience with and understanding of software testing methodologies

Benefits:

  • Competitive salary and benefits package
  • Flexible, remote work
  • Fun, fast-paced work environment
  • Dynamic start-up culture
  • Ability to make an immediate impact in a growth stage company
  • Convenient downtown Chicago office located in the heart of the city
  • Equal opportunity employer

IMPORTANT NOTICE:
Please carefully review communications to ensure that they are from the official Breezy applicant tracking platform (@breezy-mail.com) or an official NinjaHoldings brand email: @ninjaholdings.com, @creditninja.com, @ninjacard.com, or @edgescore.com. If you have been contacted regarding a job opening at NinjaHoldings from any other email address, including similar email variations, this is NOT a trusted source. We recommend that you refrain from responding to suspicious emails and file a complaint with the FBI's Internet Crime Complaint Center (IC3) at https://www.ic3.gov. For questions or to confirm the authenticity of a communication, please email hr @ninjaholdings.com.

Employment Type: FULL_TIME

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