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Junior Software Jobs in Missouri (NOW HIRING)

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 ...

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

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 ...

Junior C# Developer

Saint Louis, MO · On-site

$65K - $84K/yr

Company Description The individual in the Programmer Analyst role is responsible for using technical skills and programming experience to define and program solutions to problems and requests of ...

FTE Junior Account Partner Role Overview The Junior Account Partner is a strategic growth role ... Proficiency inutilizing market research tools and CRM software to drive data-informeddecision ...

FTE Junior Account Partner Role Overview The Junior Account Partner is a strategic growth role ... Proficiency in utilizing market research tools and CRM software to drive data-informed decision ...

Software Engineer IV Job Location: Remote Job Type: 6-12+ Months Job Details: We are seeking a ... Mentor junior engineers and contribute to team growth through knowledge sharing and technical ...

Demandware

Kansas City, MO

$65K - $84K/yr

Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services. * At least 3 years of experience in ...

$45 - $50/hr

The Director of Junior Development will lead the vision, planning, and execution of all junior tennis programming at the Commonpoint Tennis and Athletic Center at Alley Pond. This role is responsible ...

Lead Software Engineer

O Fallon, MO · On-site

$120 - $190/hr

We have partnered with our client in their search for a Lead Software Engineer in O'Fallon, MO ... Guides and mentors junior team members through on-the-job experiences, reviewing work and fostering ...

Net developer to build software using languages and technologies of the .NET framework. You will ... Able to assist and mentor junior level .NET developers Experience: * 3-6 years experience in .NET ...

Job Title: Junior Lead * Job Type: Full-Time * Expected Hours: 40 hours per week, or as needed by project schedule * Work Location: In person * Primary Location: Lebanon, MO 65536 * Commute ...

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Junior Software information

What does a junior software engineer do?

A Junior Software Engineer assists in designing, developing, and maintaining software applications under the guidance of senior team members. They typically write and review code, fix bugs, and collaborate with other engineers to implement new features or improve existing ones. Junior Software Engineers are also expected to learn and adapt to new technologies, follow best coding practices, and participate in code reviews. Their role is essential in supporting project development and gaining hands-on experience to advance their careers.

What are some common challenges faced by junior software engineers when transitioning from academic projects to real-world development teams?

Junior Software Engineers often find that real-world development involves more complex codebases, collaborative workflows, and the use of industry-standard tools, which can be quite different from academic projects. Adapting to agile methodologies, participating in code reviews, and learning to communicate effectively with cross-functional teams are typical challenges. Additionally, juniors may need to quickly get up to speed with version control systems and continuous integration tools, all while balancing learning with delivering work on tight deadlines. Supportive mentors and structured onboarding can help ease this transition.

What are the key skills and qualifications needed to thrive as a junior software developer, and why are they important?

To thrive as a Junior Software Developer, you need a solid understanding of programming languages (such as Java, Python, or JavaScript), problem-solving skills, and typically a degree in computer science or related field. Familiarity with version control systems like Git, basic knowledge of databases, and exposure to IDEs and debugging tools are commonly required. Strong communication, eagerness to learn, and the ability to work collaboratively help set you apart in this entry-level position. These skills and qualities are crucial for effectively contributing to development projects, adapting to evolving technologies, and supporting team goals.
What are the most commonly searched types of Software jobs in Missouri? The most popular types of Software jobs in Missouri are:
What cities in Missouri are hiring for Junior Software jobs? Cities in Missouri with the most Junior Software job openings:
Infographic showing various Junior Software job openings in Missouri as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Junior Software Developer

Interco Trading

Saint Louis, MO

$60K - $65K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 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 sponsorcandidates who do not currently reside within the USAwithout 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 recyclingfacilities 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 Â