1

Intermediate Software Developer Jobs in Illinois

Western Door Federal is seeking a Software Developer - Intermediate at the Rock Island Arsenal, in Rock Island, IL. The objective of this work is to provide on-site support and be responsible for the ...

Western Door Federal is seeking a Software Developer - Intermediate at the Rock Island Arsenal, in Rock Island, IL. The objective of this work is to provide on-site support and be responsible for the ...

About the Role As an Intermediate Software Engineer, you will be a core contributor to our proprietary e-commerce software platform - the system our customers trust every day. You will work within a ...

About the Role As an Intermediate Software Engineer, you will be a core contributor to our proprietary e-commerce software platform - the system our customers trust every day. You will work within a ...

Junior Software Developer, Applications

O Fallon, IL · On-site

$62.50K - $81.20K/yr

Design software or customize software for client use with the aim of optimizing operational ... intermediate and junior developers with constructive code reviews and code theory discussions

ABOUT THE ROLEAs a Software Engineer (Kotlin), you will play a key role in modernizing large-scale ... Upper-intermediate English level.NICE TO HAVESExperience with Go;Ability to read/understand PHP;

Senior Software Engineer

Rosemont, IL · On-site

$90K - $125K/yr

Collaborate with DevOps, platform, infrastructure, QA, and business stakeholders to support secure ... Intermediate SQL skills. * Strong analytical, troubleshooting, and problem-solving skills.

Sr. Java Developer

Chicago, IL · On-site

$59 - $75.25/hr

Company Description 360 IT Professionals is leading name in the software development industry ... Intermediate/Advanced knowledge of Stored Procedures (read/write) * Familiarity with version ...

next page

Showing results 1-20

Intermediate Software Developer information

See Illinois salary details

$46.5K

$108.4K

$160.9K

How much do intermediate software developer jobs pay per year?

As of May 29, 2026, the average yearly pay for intermediate software developer in Illinois is $108,381.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,200.00 and $126,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Intermediate Software Developer, and why are they important?

To thrive as an Intermediate Software Developer, you need a solid understanding of programming languages (such as Java, Python, or C#), software development principles, and typically a bachelor’s degree in computer science or a related field. Familiarity with version control systems like Git, integrated development environments (IDEs), and relevant frameworks is expected. Strong problem-solving abilities, effective communication, and a collaborative mindset help developers navigate complex projects and work well within teams. These skills and qualities are vital for building robust software solutions, ensuring code quality, and contributing positively to project outcomes.

What are some typical challenges that Intermediate Software Developers face when transitioning from junior roles?

Intermediate Software Developers often encounter challenges such as taking on more complex projects, balancing multiple priorities, and increasing responsibility for code quality and maintainability. At this level, you'll likely be expected to contribute to architectural decisions, mentor junior developers, and collaborate more closely with cross-functional teams such as QA and product management. Navigating these new expectations requires effective communication, strong problem-solving skills, and a proactive approach to continuous learning. Embracing feedback and seeking guidance from senior team members can help you grow and succeed in this role.

What are intermediate software developers?

Intermediate software developers are professionals with a few years of experience in software development, typically ranging from 2 to 5 years. They possess a solid understanding of programming languages, software design principles, and development tools. Unlike junior developers, intermediate developers are expected to work more independently, contribute to larger projects, and may mentor less experienced team members. They often collaborate with other developers, designers, and stakeholders to build, test, and maintain software applications.

What is the difference between Intermediate Software Developer vs Junior Software Developer?

AspectIntermediate Software DeveloperJunior Software Developer
Experience LevelTypically 2-4 years of experienceUsually 0-1 year of experience
SkillsProficient in multiple programming languages, able to handle complex tasksBasic understanding of programming, requires supervision
ResponsibilitiesDesigning, developing, and troubleshooting software modulesAssisting in coding, testing, and learning project workflows
Work EnvironmentIndependent problem-solving, collaborating with teamsLearning from senior staff, following instructions

The Intermediate Software Developer has more experience, handles complex tasks independently, and contributes significantly to projects. In contrast, the Junior Software Developer is in the early stages of their career, focusing on learning and supporting team efforts. Understanding these differences helps employers and candidates set appropriate expectations for each role.

What are the most commonly searched types of Software Developer jobs in Illinois? The most popular types of Software Developer jobs in Illinois are:
What job categories do people searching Intermediate Software Developer jobs in Illinois look for? The top searched job categories for Intermediate Software Developer jobs in Illinois are:
What cities in Illinois are hiring for Intermediate Software Developer jobs? Cities in Illinois with the most Intermediate Software Developer job openings:
Infographic showing various Intermediate Software Developer job openings in Illinois as of May 2026, with employment types broken down into 78% Full Time, 19% Part Time, and 3% Contract. Highlights an 86% Physical, and 14% Remote job distribution, with an average salary of $108,381 per year, or $52.1 per hour.

Intermediate Software Developer

Seneca Holdings

Full-time

Medical, Dental, Retirement, PTO

Posted 2 days ago


Job description

Western Door Federal is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is the federal government contracting business wholly owned by the Seneca Nation of Indians. SNG meets mission-critical needs of federal civilian, defense, and intelligence community customers across a variety of domains. The SNG portfolio receives shared services support from its parent company Seneca Holdings and is comprised of multiple companies that participate in the Small Business Administration 8(a) program. To learn more visit www.senecanationgroup.com and follow us on LinkedIn.

The Seneca Nation Group companies offer competitive compensation and a strong benefits package including comprehensive medical and dental care, matching 401K, paid time off, flexible spending accounts, disability coverage, and other benefits that help provide financial protection for you and your family. We pride ourselves on our collaborative work environment and culture which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation.

This position is to provide the Knowledge and Data Management Branch (KDM) of DEVCOM Chemical Biological Center located at Rock Island Arsenal, IL. KDM develops and maintains information systems for several government customers. The majority of the KDM mission supports the Joint Executive Program Office for Chemical, Biological, Radiological, and Nuclear Defense (JPEO-CBRND). This mission directly supports the acquisition programs for CBRN Equipment (CBRNE) for the Warfighter. KDM requires contractor support using non-personal services contracts to execute their mission of developing accredited information systems.

Western Door Federal is seeking a Software Developer – Intermediate at the Rock Island Arsenal, in Rock Island, IL. The objective of this work is to provide on-site support and be responsible for the day-to-day performance of the work/contract.

Responsibilities include, but are not limited to:

  • Responsible for full-stack software development to include back-end database script artifacts (tables, indexes, functions, stored procedures, etc.), middle tier software code that moves data from databases, applies any business rules and responds to client requests, and client software that covers a wide range of user / data consumer interactions.
  • Work under general technical direction, to develop, modify moderately to highly complex web-based applications.
  • Design, code, test, debug, document, and maintain full stack web-applications.
  • Work in a software development life cycle, apply security and vulnerability best practices, and require little or no instruction and guidance in performing routine tasks.
  • Collaborate with other members of the DEVCOM CBC software development team, understand and implement change requests, have superb interpersonal and communication skills.
  • Participate in team meetings with the government to improve understanding of the mission, tools, concepts, frameworks, and increase effectiveness in delivering software code.
  • Develop and deliver C# and Microsoft .NET Software Code for DEVCOM CBC KDM. Includes proficiency with old and new Microsoft .NET Frameworks (.NET Framework, .NET Core, etc) There is legacy code that needs to be maintained. Some of the legacy code may need to be refactored, which may include re-writing to use newer framework versions.
  • Work proficiently in the latest in library code for Microsoft .NET and demonstrate the ability to effectively apply Microsoft and other 3rd party library code written for .NET to delivered software code solutions.
  • Develop and deliver Web Based Client Software Code for DEVCOM CBC KDM using HTML, JavaScript, CSS, and associated frameworks such as Bootstrap, jQuery, etc.
  • Develop and deliver SQL Database Scripts for DEVCOM CBC KDM; includes developing SQL database scripts to create, remove, update database objects such as tables, indexes, stored procedures, user functions, etc. Scripts not only must account for changing the schema, but also transforming any data because of a schema change. Scripts must be written with database version control in mind. The IS solutions exist in several environments such as developer, test, staging and production on one or more devices. Therefore, the database in these environments may exist in various versions or states. Any developer or build machine should be able to run scripts from a given database version / state up to the latest.
  • Review code based on the code review standards below "PRIOR" to request a code review. Regular, recurring, and continuous re-work within the AQL levels are cause for concern. Includes writing any applicable unit testing software code. Code review consists of software code that:
    • Contains no errors or warnings using code analysis tools in use by the government.
    • Passes builds and executes as intended.
    • No style analysis errors or warnings.
    • Passes all unit tests.
    • Adheres to refactoring best practices. The government shall provide instruction, documentation, or publications. The standards are industry best practices for refactoring code and using published design patterns.
  • Create, update, and deliver application documentation for DEVCOM CBC KDM. Application documentation includes any artifacts such as narratives, diagrams, flow charts, UML diagrams, etc that further describe design patterns, refactoring, of software code beyond comments, and inline documentation markup in the software code. All documentation will be evaluated for adherence to proper formatting, completeness, accuracy and ease of understanding.
  • Other examples include, but are not limited to:
    • Application configuration guide
    • User guide/documentation
    • IA documentation
  • Develop application documentation using GFP and government furnished software, stored and worked on government resources.

Basic Qualifications:

  • Active Secret Clearance
  • DoD 8570.01-M IAT Level I Certification
  • Apply skills at a complexity level and velocity equivalent to three (3) years of paid experience in developing full stack web-based applications.
  • Have effective technical, communication, skills, and experience to recommend design solutions and improvements that enhance the software cost, schedule, performance.
  • Proficient with C# and Microsoft .NET Software Code for DEVCOM CBC KDM. Includes proficiency with old and new Microsoft .NET Frameworks (.NET Framework, .NET Core, etc)
  • Proficient in the latest in library code for Microsoft .NET and demonstrate the ability to effectively apply Microsoft and other 3rd party library code written for .NET to delivered software code solutions.
  • Proficient with developing web-based client software using HTML, JavaScript, CSS, and associated frameworks such as Bootstrap, jQuery, etc.
  • Proficient with delivering SQL Database Scripts; includes developing SQL database scripts to create, remove, update database objects such as tables, indexes, stored procedures, user functions, etc. versions or states.
  • Excellent attention to detail.
  • Excellent written and oral communication skills.

Desired Qualifications:

  • Bachelor's Degree, or higher, in Computer Science, Information Systems, Information Technology, or a similar program.

Salary at Seneca is based on a variety of factors including but not limited to location, experience, skill set, performance, licensure and certification, as well as contract-specific affordability and organizational requirements. The range of this position in other geographic locations may differ. The projected compensation range for this position is below. The estimate displayed represents the typical salary range for this position and is just one component of our total compensation package for employees.

The projected compensation range for this position is:
$98,000—$117,000 USD

Equal Opportunity Statement:
Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.