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Software Developer Intern Jobs in Collinsville, IL

Interco

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...

Interco

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...

DCS Corp

Senior Level Software Developer

Saint Louis, MO

$53 - $70/hr

We are seeking a Software Engineer to support unique systems solutions for the National Geospatial-Intelligence Agency (NGA). We are seeking a Software Engineer to support our client's intelligence ...

Eliassen Group

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of a mission-critical enterprise application in AWS for the U.S. Treasury. The role requires full-stack ...

Solutions AEC LLC

Electrical Intern

Saint Louis, MO · On-site

$18 - $20/hr

Electrical Engineering Internship About Us: At Solutions AEC, we're a design-build engineering firm ... Utilizing design software (Revit and others) to produce electrical drawings * Supporting the ...

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All JobsSoftware Developer Intern JobsSoftware Developer Intern Jobs in Collinsville, IL

Software Developer Intern information

See Collinsville, IL salary details

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How much do software developer intern jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for software developer intern in Collinsville, IL is $21.22, according to ZipRecruiter salary data. Most workers in this role earn between $17.16 and $22.50 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a software developer intern?

To thrive as a Software Developer Intern, you need a solid understanding of programming fundamentals, problem-solving abilities, and coursework or experience in computer science or a related field. Familiarity with languages like Python, Java, or JavaScript, and exposure to development tools such as Git, version control systems, and IDEs are common requirements. Strong communication, eagerness to learn, and teamwork distinguish standout interns in collaborative environments. These skills and qualities are crucial for contributing effectively to projects, adapting quickly, and making the most of the internship experience.

What kind of mentorship and learning opportunities can software developer interns typically expect during their internship?

Software Developer Interns often benefit from structured mentorship programs, pairing them with experienced developers who provide guidance on technical tasks and offer feedback on code quality. Interns usually participate in team meetings, code reviews, and project planning sessions, which help them understand real-world software development workflows. Many organizations also encourage interns to attend internal workshops or training sessions to build their technical and soft skills. This collaborative environment not only accelerates learning but also allows interns to contribute meaningfully to ongoing projects.
What are the most commonly searched types of Software Developer jobs in Collinsville, IL? The most popular types of Software Developer jobs in Collinsville, IL are:
What cities near Collinsville, IL are hiring for Software Developer Intern jobs? Cities near Collinsville, IL with the most Software Developer Intern job openings:
Software Developer Intern jobs near you
Infographic showing various Software Developer Intern job openings in Collinsville, IL as of August 2026, with employment types broken down into 1% Internship, 84% Full Time, 11% Part Time, and 4% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $44,143 per year, or $21.2 per hour.

Junior Software Developer

Interco

Saint Louis, MO • On-site

$60K - $65K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago

Job description

Company Description
Interco is a global metals trading and recycling company headquartered in St. Louis with facilities in Missouri and Illinois. The company buys, sells, and processes nonferrous metals and electronics scrap worldwide utilizing established partnerships with end consumers in the United States, Europe, Latin America, and Asia.
Job Description
Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role, the successful candidate will take the lead in crafting and executing sophisticated user interfaces for the company's ERP software, aiming to deliver an unparalleled user experience. The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into functional, visually captivating interfaces that solve problems, optimize workflows, and provide valuable data that offers real-time business insight. Join Interco to be at the forefront of developing solutions that redefine efficiency and impact in ERP systems.
Responsibilities Include
  • Develop responsive and user-friendly front-end interfaces for our ERP software using JavaScript, HTML, CSS, and React.js.
  • Collaborate with development team to design, consume, and integrate RESTful APIs that retrieve and update data from PostgreSQL backends.
  • Work closely with UI/UX designs to translate wireframes and mockups into functional user interfaces, ensuring consistency with design guidelines and best practices.
  • Participate in defining API contracts, perform contract and integration debugging, and collaborate on end-to-end testing. Collaborate on CI/CD pipelines and use containerized development environments.
  • Write and maintain technical documentation.
  • Implement and maintain reusable components and libraries to streamline development and ensure consistency across ERP software.

Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • Proven experience as a Software Developer, building complex web applications or ERP systems with a portfolio representative of a strong technical acumen.
  • Proficiency in front-end technologies such as HTML5, CSS3, JavaScript, and various front-end frameworks (e.g., React, Angular, Vue.js) with a solid understanding of responsive design principles.
  • Practical experience consuming and integrating RESTful APIs; experience building RESTful APIs with FastAPI is a plus.
  • Solid working knowledge of PostgreSQL (writing queries, schema design, indexing, migrations)
  • Experience with version control systems and collaboration tools such as Git and Figma.
  • Strong problem-solving skills and attention to detail to identify and resolve issues effectively.
  • Excellent communication and teamwork skills to collaborate with cross-functional teams effectively.

Additional Information
  • $60,000-$65,000
  • Salary plus annual performance review and bonus
  • 401(k) with generous company match after one year
  • Paid vacation Christmas Eve through - New Year's Day for all employees
  • Accelerated paid Vacation time
  • Company paid $25K life insurance policy
  • 100% Company-paid Short-Term Disability, Long-Term Disability
  • 100% Company-paid Medical, Dental, Vision

As a matter of company policy, the Company does not sponsor employment visas or hire from out of the USA nor does the company sponsor candidates who do not currently reside within the USA without an existing H-1B visa.
This job description is designed to provide a general overview of the requirements of the job and does not entail a comprehensive listing of all activities, duties or responsibilities that will be required. Interco reserves the right to modify this job description at any time, including assigning or reassigning job duties or eliminating this position at any time.
Candidate information will be kept confidential according to EEO guidelines.
Work remotely: No
www.intercojobs.com
Company Information
Interco has been recycling computers, batteries, metals, and electronics with a focused track record of innovation and integrity since 1996. The company specializes in the placement of smelter-ready materials catering to commercial, industrial, dealer, and government organizations nationwide.
The Interco recycling facilities are separated into three departments: nonferrous metals, computers and electronics, and battery processing. The nonferrous facility is located on the 40-acre main campus in Madison (IL) while the computers and electronics are processed in Edwardsville where the Administrative and some logistics offices are located. The commercial department is located on The Hill in St. Louis.
www.intercojobs.com

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