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Junior Software Development Jobs in Missouri (NOW HIRING)

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 ... The Software Developer will collaborate with development team members and management to ensure ...

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 ... The Software Developer will collaborate with development team members and management to ensure ...

Jobtailor

AI/ML Software Engineer

California, MO · On-site

$95 - $135/hr

... junior employees Requirements * 3+ years of experience with ML software libraries such as TensorFlow, Keras, PyTorch, or Onnx * 3+ years of experience in software development using programming ...

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The Timberline Group

Senior Software Engineer

Saint Louis, MO · On-site +1

$119K - $157K/yr

If you also have hands-on experience with backend software development, we would like to meet you ... Ability to mentor more junior developers The Timberline Group Phone: 636-209-5537 PO Box 385 ...

Saic

Senior Principal Software Engineer

California, MO · On-site

$160 - $200/hr

These systems accelerate the secure development, testing, and deployment of mission-critical space ... Mentor junior engineers, fostering a collaborative culture that emphasizes innovation and technical ...

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Junior Software Development information

See Missouri salary details

$19.2K

$74K

$138.9K

How much do junior software development jobs pay per year?

As of Aug 19, 2026, the average yearly pay for junior software development in Missouri is $73,986.00, according to ZipRecruiter salary data. Most workers in this role earn between $51,381.00 and $88,829.00 per year, depending on experience, location, and employer.

What is a junior software developer?

A Junior Software Developer is an entry-level professional who assists in designing, coding, testing, and maintaining software applications under the supervision of more experienced developers. They typically work as part of a development team, learning best practices and gaining experience with various programming languages and tools. Junior developers are responsible for writing basic code, fixing bugs, and participating in code reviews while building their technical skills and knowledge of software development processes.

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 fundamentals, problem-solving abilities, and a relevant degree or coding bootcamp experience. Familiarity with languages such as Java, Python, or JavaScript, and version control systems like Git, is typically required. Strong communication, teamwork, and a willingness to learn are crucial soft skills for growth in this role. These skills and qualities are essential for delivering effective software solutions, collaborating with team members, and adapting to evolving technologies.

What are some typical challenges faced by junior software developers in their first year, and how can they overcome them?

Junior software developers commonly encounter challenges such as adapting to new codebases, understanding team workflows, and managing task priorities. It can be overwhelming to navigate complex projects or unfamiliar tools, but seeking guidance from senior team members and actively participating in code reviews can help. Proactively asking questions, utilizing company documentation, and setting aside time for continuous learning are effective strategies to overcome these hurdles. Embracing a growth mindset and viewing mistakes as learning opportunities will also contribute to a smoother transition into the role.

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

AspectJunior Software DevelopmentJunior Web Developer
Required SkillsProgramming languages, software design, debuggingHTML, CSS, JavaScript, basic backend knowledge
Work EnvironmentSoftware companies, tech startups, IT departmentsWeb agencies, tech companies, freelance projects
CertificationsComputer Science degree, coding bootcampsWeb development courses, certifications like HTML, CSS
Common UsageDeveloping software applications, systemsBuilding websites, web applications

Junior Software Development and Junior Web Developer roles share foundational programming skills and often require similar certifications. However, Junior Software Developers typically work on broader software projects across various platforms, while Junior Web Developers focus specifically on website and web application development. Both roles are common entry points in the tech industry, with overlapping skills but different specialization areas.

How much does a junior software developer earn?

A junior software developer typically earns between $50,000 and $70,000 annually, depending on location, industry, and experience. Entry-level roles often require basic programming skills in languages like Java, Python, or JavaScript and may include benefits such as training and mentorship.

How to get a job in junior software development with no experience?

To secure a junior software development position with no experience, focus on building foundational skills through online courses, coding bootcamps, or personal projects. Gaining proficiency in programming languages like Python or Java, creating a portfolio, and obtaining certifications can improve your chances; internships or volunteering can also provide practical experience.

How to get hired as a junior software developer?

To get hired as a junior software developer, candidates should build a strong foundation in programming languages like Python, Java, or JavaScript, and create a portfolio of projects to demonstrate their skills. Gaining experience through internships, coding bootcamps, or contributing to open-source projects can improve employability. Additionally, understanding version control systems like Git and preparing for technical interviews are important steps in the hiring process.

What are the most commonly searched types of Software Development jobs in Missouri?

The most popular types of Software Development jobs in Missouri are:

What cities in Missouri are hiring for Junior Software Development jobs?

Cities in Missouri with the most Junior Software Development job openings:

Junior Software Development jobs near you
Infographic showing various Junior Software Development job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $73,986 per year, or $35.6 per hour.

Junior Software Engineer 621

Freedom Technology Solutions Group

Saint Louis, MO • Hybrid

Full-time

Re-posted 26 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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