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Jr Developer Jobs in Belleville, IL (NOW HIRING)

CEdge Inc

Jr Software Developer

Saint Louis, MO · On-site

$64K - $84K/yr

CEdge has an opportunity for a Junior Software Developer , located in Saint Louis, MO. If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the ...

CEdge Inc

Jr Software Developer

Saint Louis, MO · On-site

$110K - $115K/yr

CEdge has an opportunity for a Junior Software Developer , located in Saint Louis, MO. If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the ...

JL4 Staffing

Jr Structural Engineer

Fenton, MO · On-site

Engineering Industry: Oil & Energy Total position: 2 Job Summary: Perform design functions specific to the structural engineering scope for HRSG (Heat Recover Steam Generators) to suit the needs of ...

Fabergent

C# Developer (Jr and Sr Roles)

Saint Louis, MO

$53 - $70/hr

Client is looking for a C# developer to assist a growing team to work on innovative and leading edge solutions. We are looking for someone to join an existing, motivated and productive development ...

ECS

Jr Data Steward

Saint Louis, MO · On-site

Application programming interfaces (APls). * Remote sensing expertise - EO, SAR, MASINT, IR, and LiDAR. * High School Diploma and 2+ years of GEOINT Intelligence experience.

Nidec Corporation

Engineering Co-Op

Saint Louis, MO · On-site

BSME, BSEE or equivalent undergraduate study, SO, JR or early SR level * Able to work minimum 24 hours / week (40 preferred) * Experience with common shop hand tools * CAD experience (Pro Engineer ...

Code Ninjas

Lead Youth STEM Tutor/Teacher

Kirkwood, MO · On-site

$16 - $18/hr

Our engaging programs, CREATE and CREATE JR, ignite creativity and critical thinking through hands ... Teach computer programming concepts to students using the Code Ninjas curriculum. * Guide students ...

Centstone

StreamSets Developer

Saint Louis, MO · On-site

StreamSets Developer Location: Remote Job Type: Long Term Contract Position Overview We are looking for an experienced StreamSets Developer to design, develop, implement, and support enterprise-scale ...

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All JobsJr Developer JobsJr Developer Jobs in Belleville, IL

Jr Developer information

See Belleville, IL salary details

$23.3K

$86.4K

$133.6K

How much do jr developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for jr developer in Belleville, IL is $86,422.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,100.00 and $84,500.00 per year, depending on experience, location, and employer.

What is a jr developer?

Jr Developers, or Junior Developers, are entry-level professionals in the software development field. They typically have less experience than mid-level or senior developers and are responsible for writing, testing, and maintaining code under the guidance of more experienced team members. Jr Developers often work on smaller tasks, bug fixes, or simple features, and are expected to learn and grow their technical skills through mentorship and hands-on experience. Their role is essential for building a solid foundation in software development and contributing to the success of development projects.

What are the key skills and qualifications needed to thrive as a jr developer?

To thrive as a Jr Developer, you need a foundational understanding of programming languages (such as JavaScript, Python, or Java), basic software development principles, and often a relevant degree or coding bootcamp certification. Familiarity with version control systems like Git, IDEs, and workflow tools like Jira or Trello is typically required. Strong problem-solving skills, effective communication, and eagerness to learn help Jr Developers stand out in the workplace. These abilities are crucial for efficiently contributing to team projects, adapting to new technologies, and growing within a dynamic development environment.

What are some common challenges a jr developer might face when joining a new team, and how can they overcome them?

As a Jr Developer, one of the most common challenges is adapting to unfamiliar codebases and workflows. It can be daunting to understand existing projects and navigate team-specific tools and processes. To overcome this, Jr Developers should proactively seek help from team members, take thorough notes, and dedicate time to reviewing documentation and code. Embracing code reviews and asking questions will not only accelerate learning but also help build relationships within the team.

What is the difference between Jr Developer vs Junior Software Engineer?

AspectJr DeveloperJunior Software Engineer
Required CredentialsTypically an associate degree or coding bootcamp certificationUsually a bachelor's degree in computer science or related field
Work EnvironmentEntry-level, supervised tasks, learning-focusedSimilar entry-level environment, often with more complex project involvement
Employer & Industry UsageCommon in tech companies, startups, and IT departmentsUsed interchangeably in many companies, especially in software development teams
Search & Comparison IntentYes, often compared for entry-level rolesYes, often searched as a more formal or technical title

While both roles are entry-level software development positions, a Jr Developer often emphasizes basic coding tasks and learning, whereas a Junior Software Engineer may involve more structured engineering responsibilities. The titles are frequently used interchangeably, but understanding the specific job description can clarify expectations.

How hard is it to get a junior developer job?

Securing a junior developer position typically requires foundational programming skills, a portfolio of projects, and familiarity with relevant tools like Git and common programming languages. Entry-level roles are often competitive, but candidates with relevant internships, certifications, or coding bootcamp experience have better chances of being hired.

How to get hired as a junior developer?

To get hired as a junior developer, build a strong foundation in programming languages like JavaScript, Python, or Java, and create a portfolio of projects to demonstrate your skills. Gaining experience through internships, coding bootcamps, or contributing to open-source projects can improve your chances, along with obtaining relevant certifications and preparing for technical interviews.

What are popular job titles related to Jr Developer jobs in Belleville, IL?

For Jr Developer jobs in Belleville, IL, the most frequently searched job titles are:

What job categories do people searching Jr Developer jobs in Belleville, IL look for?

The top searched job categories for Jr Developer jobs in Belleville, IL are:

What cities near Belleville, IL are hiring for Jr Developer jobs?

Cities near Belleville, IL with the most Jr Developer job openings:

Jr Developer jobs near you
Infographic showing various Jr Developer job openings in Belleville, IL as of August 2026, with employment types broken down into 79% Full Time, 10% Part Time, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $86,422 per year, or $41.5 per hour.

Jr Software Developer

CEdge Inc

Saint Louis, MO • On-site

$64K - $84K/yr

Full-time

Retirement, PTO

Posted 6 days ago

Job description


CEdge has an opportunity for a Junior Software Developer, located in Saint Louis, MO. If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the opportunity that will inevitably take your career to unbelievable levels!
• Estimated Start Date: 1 Nov
Objective: Contribute as a Junior Software Developer within an Agile/Scrum team to advance the development, testing, deployment, and modernization of mission-critical software for TRAC2ES. Deliver high-quality, secure, and scalable solutions by adapting to evolving requirements and collaborating effectively with stakeholders
Key Responsibilities:
oParticipate in Agile/Scrum ceremonies including daily standups, sprint planning, reviews, and retrospectives.
oContribute to incremental software delivery, supporting defect resolution and operational efficiency.
oHelp facilitate real-time feedback loops through scheduled and ad-hoc demonstrations.
oHelp deliver working software increments that meet functional, security, and quality acceptance criteria.
oAssist in documenting technical debt and emerging requirements for actionable tickets.
Requirements
RequiredQualifications:
oFamiliarity with Agile/Scrum methodologies and software development lifecycle.
oExperience with Javascript development using Node.js / React
oFamiliarity with SQL/RDBMS, API integration,cloud native development and Docker/containers
oExposure to CI/CD pipelines, source control, and automated testing tools.
oStrong teamwork, communication, and documentation skills.
Clearance : SecretClearance
DCWF 8140 -Security+
Education - Bachelor's degree or higher in Computer Science, Information Technology, Engineering, Engineering Management, Management Information Systems, Mathematics, or related STEM degree program.
Minimum experience : 1-4 years.
Benefits
WHAT'S IN IT FOR YOU?
Full Benefits Package
10 Days PTO
6 Sick leaves
11 Federal Holidays
401K
WHO ARE WE?
CEdge Inc is an innovative IT consulting firm, and a strategic business partner. We offer IT solutions to Federal and State government, as well as, Commercial Enterprises throughout the United States. Our main objective is to create an integrity-based culture that takes pride in working as a collaborative team that focuses on growth and is driven by the desire to provide purely ethical services for both our clients and teammates.

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