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Junior Software Programmer Jobs in Missouri (NOW HIRING)

Stellar IT Group

Software Engineer

Saint Louis, MO · On-site

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 ...

Euroclear

$51K - $67K/yr

In this role you will be part of a group of Citizen Developers with experience on both business and existing solutions. We are looking for a new team member who will contribute to deliver and support ...

Euroclear

$51K - $67K/yr

In this role you will be part of a group of Citizen Developers with experience on both business and existing solutions. We are looking for a new team member who will contribute to deliver and support ...

Sovereign Technologies

Junior C# Developer

Saint Louis, MO

$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 ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Role As a Senior Software engineer, you will be responsible for development, deployment support, owning the delivery of user stories, mentoring junior team members, and performing code reviews. This ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Role As a Senior Software engineer, you will be responsible for development, deployment support, owning the delivery of user stories, mentoring junior team members, and performing code reviews. This ...

Boeing

Experienced Software Engineer

Hazelwood, MO · On-site

Experienced Software Engineer Company: The Boeing Company Boeing Global Services is currently ... Mentor junior engineers and foster innovation within the team Basic Qualifications (Required Skills ...

Boeing

Experienced Software Engineer

Hazelwood, MO · On-site

Experienced Software Engineer Company: The Boeing Company Boeing Global Services is currently ... Mentor junior engineers and foster innovation within the team Basic Qualifications (Required Skills ...

Boeing

Experienced Software Engineer

Hazelwood, MO

Experienced Software Engineer Company: The Boeing Company Boeing Global Services is currently ... Mentor junior engineers and foster innovation within the team Basic Qualifications (Required Skills ...

Boeing

Experienced Software Engineer

Hazelwood, MO

Software engineers on our team are responsible for all phases of the software lifecycle, including ... Mentor junior engineers and foster innovation within the team Basic Qualifications (Required Skills ...

MasterCard

Lead Software Engineer

O Fallon, MO · Hybrid

Mentor and coach junior engineers, fostering technical growth and engineering excellence. Present ... Strong software development experience using C/C++ (Java experience is also valued). Proven ...

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Junior Software Programmer information

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How much do junior software programmer jobs pay per hour?

As of Jul 28, 2026, the average hourly pay for junior software programmer in Missouri is $25.28, according to ZipRecruiter salary data. Most workers in this role earn between $15.34 and $31.11 per hour, depending on experience, location, and employer.

What are some common challenges a Junior Software Programmer might face during their first year on the job?

In their first year, Junior Software Programmers often encounter challenges such as adapting to new codebases, understanding development workflows, and balancing learning with productivity. They may also find it difficult to communicate technical issues clearly to team members or to estimate how long a task will take. However, most teams provide mentorship and regular feedback to help new programmers grow and integrate smoothly with the team’s processes.

What is a Junior Software Programmer?

A Junior Software Programmer is an entry-level professional responsible for writing, testing, and maintaining code under the guidance of more experienced developers. They typically work on specific tasks or small projects, learning industry practices and programming languages on the job. Junior programmers often collaborate with other team members to develop software solutions and resolve bugs, gaining experience as they grow into more advanced roles.

What are the key skills and qualifications needed to thrive as a Junior Software Programmer, and why are they important?

To thrive as a Junior Software Programmer, you need a solid understanding of programming fundamentals, typically demonstrated by a degree in computer science or related field and experience with languages like Python, Java, or C++. Familiarity with version control systems (such as Git), basic debugging tools, and integrated development environments (IDEs) is also important. Strong problem-solving abilities, attention to detail, and effective communication are essential soft skills that help you learn quickly and collaborate with team members. These skills ensure you can contribute to codebases efficiently, adapt to new technologies, and support team goals in a fast-evolving technical environment.

What is the difference between Junior Software Programmer vs Junior Web Developer?

AspectJunior Software ProgrammerJunior Web Developer
Required SkillsProgramming languages (e.g., Java, C++, Python), software development fundamentalsHTML, CSS, JavaScript, basic backend knowledge
Work EnvironmentSoftware companies, tech firms, development teamsWeb agencies, tech startups, freelance projects
Common UsageDeveloping software applications, system toolsBuilding websites, web applications

Junior Software Programmers focus on developing software applications and systems using programming languages, often working in software or tech companies. Junior Web Developers specialize in creating websites and web-based applications, typically working in web agencies or startups. While both roles require basic coding skills, their focus areas and tools differ, making each suitable for different career paths within the tech industry.

What are the most commonly searched types of Software Programmer jobs in Missouri? The most popular types of Software Programmer jobs in Missouri are:
What are popular job titles related to Junior Software Programmer jobs in Missouri? For Junior Software Programmer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Junior Software Programmer jobs in Missouri look for? The top searched job categories for Junior Software Programmer jobs in Missouri are:
What cities in Missouri are hiring for Junior Software Programmer jobs? Cities in Missouri with the most Junior Software Programmer job openings:
Junior Software Programmer jobs near you
Infographic showing various Junior Software Programmer job openings in Missouri as of July 2026, with employment types broken down into 97% Full Time, 2% Part Time, and 1% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $52,592 per year, or $25.3 per hour.

Junior Software Engineer 621

Freedom Technology Solutions Group

Saint Louis, MO • Hybrid

Other

Posted 5 days ago

Job description

Freedom Technology Solutions Group is seeking a Software Engineer to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging client capabilities, including design and development, modernization of existing applications and services, and operations and sustainment. The role focuses on driving the client's adaptation of higher levels of automation and operational efficiency through agile development methodologies, rapid prototyping, and modern technology stacks. 

The Junior Software Developer applies expertise to multiple development assignments. This role requires originality in developing solutions and provides latitude in designing methodologies and approaches. 

Responsibilities:

  • Design, develop, and enhance backend services using Java, JavaScript, and Python. 
  • Build and maintain secure, automated DevSecOps pipelines for CI/CD.
  • Lead containerized solution deployments across hybrid and cloud (AWS) environments.
  • Implement and optimize geospatial data processing and API integrations.
  • Troubleshoot, debug, and improve system performance.
  • Review code contributions.
  • Contribute to system architecture discussions and recommend improvements.
  • Provide input on deliverables, schedules, and performance metrics.
  • Participate in rapid prototyping to quickly iterate and improve solutions
  • Utilize modern technology stacks to meet client needs
  • Implement CI/CD pipelines using GitLab
  • Collaborate with cross-functional teams to deliver high-quality software solutions 

Key Technologies:

  • Linux
  • Java, JavaScript, Python
  • Containerization (Docker, OpenShift, Kubernetes, ...)
  • AWS Services
  • GitLab
  • Apache Spark, Glue, and other ETL processes/procedures
  • Data Types: Structured and Unstructured, Parquet, JSON, XML, etc. 

Required Qualifications:

  • Active TS/SCI clearance (eligible for CI Poly).
  • 0-3 years software development experience.
  • Proficiency in Java, JavaScript, and Python.
  • Experience with DevSecOps pipelines, Agile methodologies, and CI/CD tools (e.g., GitLab).
  • Hands-on experience with AWS services (Lambda, ECS, S3, RDS, etc.).
  • Skilled in containerization technologies (Docker, Kubernetes, OpenShift).
  • Experience with geospatial data frameworks and APIs (e.g., GeoServer, PostGIS, ArcGIS).
  • Using GitLab for code source repository and using GitLab CI/CD
  • Developing customized code, scripts, modules, macro procedures, or libraries for specialized spatial analysis functions using languages such as Python, Java, JavaScript, PHP, C, C++, C#, Perl, or similar 

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