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Entry Level Junior Software Developer Jobs in Missouri

Interco

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 ...

Interco

Junior Software Developer

Saint Louis, MO

$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 ...

Interco Trading

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 ...

Genesis10

Entry Level Software Developer

Saint Louis, MO · On-site

$60K/yr

Now hiring for our Software Developer cohort starting in November 2026. To apply, please submit a formal application through our website: Dev10 Apply Here What We Require Willingness to relocate ...

Sovereign Technologies

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 ...

Maritz Loyalty Marketing

Software Engineer I

Fenton, MO · On-site

The Software Engineer I supports the development of software that serves Maritz technology, working ... What You'll Be Doing We are looking for an entry level engineer who is eager to learn and build ...

Maritz

Software Engineer I

Fenton, MO · On-site

The Software Engineer I supports the development of software that serves Maritz technology, working ... What You'll Be Doing We are looking for an entry level engineer who is eager to learn and build ...

Maritz

Software Engineer I

Fenton, MO · On-site

The Software Engineer I supports the development of software that serves Maritz technology, working ... What You'll Be Doing We are looking for an entry level engineer who is eager to learn and build ...

E*Pro, Inc.

Jr. Validation Engineer

Saint Louis, MO · On-site

Temporary, entry-level position to mitigate expected validation workload Review requirements ... Software testing prior to deployment to test environment Execute test protocols Perform issue ...

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Entry Level Junior Software Developer information

See Missouri salary details

$22.5K

$83.5K

$129K

How much do entry level junior software developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for entry level junior software developer in Missouri is $83,459.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,800.00 and $81,600.00 per year, depending on experience, location, and employer.

How to get hired as an entry level junior software developer?

To get hired as an entry level junior software developer, candidates should build a strong foundation in programming languages like Java, Python, or C++, and create a portfolio of projects to demonstrate their skills. Gaining experience through internships, coding bootcamps, or certifications such as CompTIA or Microsoft can improve employability. Applying to entry-level positions through job boards and networking with industry professionals also increases chances of employment.

What are the key skills and qualifications needed to thrive as an entry level junior software developer?

To thrive as an Entry Level Junior Software Developer, you typically need a bachelor's degree in computer science or a related field and a strong grasp of programming languages such as Java, Python, or JavaScript. Familiarity with version control systems like Git, integrated development environments (IDEs), and commonly-used development frameworks is advantageous. Strong problem-solving skills, eagerness to learn, and effective teamwork and communication abilities help junior developers excel. These skills and qualities are vital for delivering reliable code, adapting to project needs, and contributing positively to collaborative software development environments.

What does an entry level junior software developer do?

As an Entry Level Junior Software Developer, you'll often start by assisting with coding simple features, fixing bugs, writing tests, and supporting the maintenance of existing software applications. You may also participate in code reviews, collaborate closely with more experienced developers, and attend regular team meetings to discuss project progress and requirements. Over time, you'll likely be given more responsibility, including developing new components or contributing to larger projects. This role offers a supportive environment with opportunities to learn new technologies, tools, and best practices from peers and mentors.

What is an entry level junior software developer?

An Entry Level Junior Software Developer is a beginner role in software development, responsible for writing, testing, and debugging code under the guidance of senior developers. They typically work with programming languages like Python, Java, or JavaScript and collaborate with teams to build software applications. This role allows new developers to gain hands-on experience, improve coding skills, and understand software development processes. Employers often expect a basic understanding of coding principles, problem-solving abilities, and a willingness to learn. It's an excellent starting point for a career in software engineering.

What are the most commonly searched types of Junior Software Developer jobs in Missouri? The most popular types of Junior Software Developer jobs in Missouri are:
What are popular job titles related to Entry Level Junior Software Developer jobs in Missouri? For Entry Level Junior Software Developer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Entry Level Junior Software Developer jobs in Missouri look for? The top searched job categories for Entry Level Junior Software Developer jobs in Missouri are:
What cities in Missouri are hiring for Entry Level Junior Software Developer jobs? Cities in Missouri with the most Entry Level Junior Software Developer job openings:
Entry Level Junior Software Developer jobs near you
Infographic showing various Entry Level Junior Software Developer job openings in Missouri as of July 2026, with employment types broken down into 80% Full Time, 10% Contract, and 10% Nights. Highlights an 100% In-person job distribution, with an average salary of $83,459 per year, or $40.1 per hour.

Junior Software Developer

Interco

Saint Louis, MO • On-site

$60K - $65K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 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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