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Junior Software Engineer Jobs in Roxana, IL (NOW HIRING)

ECS

Junior Software Developer, Applications

O Fallon, IL · On-site

$62.50K - $81.20K/yr

Everforth ECS Federal is looking for a Junior software developer that develops, creates, and modifies general computer applications software or specialized utility programs. Analyze user needs and ...

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 ...

Boeing

Lead Software Engineer-Developer

Berkeley, MO · On-site

Mentor and coach junior engineers in software development * Interface with various software programming languages Basic Qualifications (Required Skills/ Experience): * Bachelor's degree * Active Top ...

Boeing

Lead Software Engineer-Developer

Berkeley, MO · On-site

Mentor and coach junior engineers in software development * Interface with various software programming languages Basic Qualifications (Required Skills/ Experience): * Bachelor's degree * Active Top ...

Boeing

Lead Software Engineer-Developer

Berkeley, MO · On-site

Mentor and coach junior engineers in software development * Interface with various software programming languages Basic Qualifications (Required Skills/ Experience): * Bachelor's degree * Active Top ...

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Junior Software Engineer information

See Roxana, IL salary details

$44.6K

$90.7K

$136.2K

How much do junior software engineer jobs pay per year?

As of May 30, 2026, the average yearly pay for junior software engineer in Roxana, IL is $90,664.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $91,600.00 per year, depending on experience, location, and employer.

What Is a Junior Software Engineer?

A junior software engineer works on a team with more senior engineers to help design and develop applications, write code, and otherwise maintain or update a business's database. As a junior software engineer, your duties and responsibilities may vary based on what company you work for. Overall, your job is to learn from senior engineers and developers on how to be a software engineer and in what ways you can develop and utilize the technologies of the business to do so. Many junior software engineers have a little bit of knowledge about a lot of technologies but also stay up-to-date on the most current technologies.

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

To thrive as a Junior Software Engineer, you need a solid understanding of programming fundamentals, algorithms, and commonly used languages such as Java, Python, or JavaScript, typically backed by a degree in computer science or related field. Familiarity with version control systems like Git, basic knowledge of databases, and experience with development environments and frameworks are usually expected. Strong problem-solving skills, eagerness to learn, and effective teamwork and communication abilities help set you apart. These skills and qualities are crucial for contributing effectively to projects, adapting to evolving technologies, and collaborating within development teams.

How does a Junior Software Engineer typically collaborate with other team members on projects?

Junior Software Engineers usually work closely with senior developers, QA testers, and product managers as part of a cross-functional team. Collaboration often involves participating in daily stand-up meetings, code reviews, and pair programming sessions. Juniors are encouraged to ask questions and seek feedback, which helps them learn best practices and improve their coding skills. Effective communication and a willingness to learn from more experienced colleagues are key to thriving in this collaborative environment.

What are Junior Software Engineers?

Junior Software Engineers are entry-level professionals who assist in designing, developing, testing, and maintaining software applications. They typically work under the guidance of more experienced engineers and are responsible for writing code, fixing bugs, and participating in code reviews. Junior Software Engineers often collaborate with team members to learn best practices, improve their technical skills, and contribute to software projects. This role is ideal for recent graduates or those new to the software development field.
More about Junior Software Engineer jobs
What are the most commonly searched types of Software Engineer jobs in Roxana, IL? The most popular types of Software Engineer jobs in Roxana, IL are:
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What cities near Roxana, IL are hiring for Junior Software Engineer jobs? Cities near Roxana, IL with the most Junior Software Engineer job openings:
Junior Software Engineer jobs near you

Junior Software Engineer

Freedom Technology Solutions Group

Saint Louis, MO • Hybrid

Other

Posted 6 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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