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Entry Level Software Engineer Jobs in Belleville, IL

Horner & Shifrin

Engineer (Transportation)

O Fallon, IL

$65K - $91K/yr

This is an entry-level position and requires 0-2 years of experience. POSITION RESPONSIBILITIES ... Proficient in use of Microsoft Office software (Outlook, Excel, Word) * Knowledge of MicroStation ...

New

Horner & Shifrin

Engineer (Transportation)

Saint Louis, MO · On-site

$65K - $91K/yr

This is an entry-level position and requires 0-2 years of experience. POSITION RESPONSIBILITIES ... Proficient in use of Microsoft Office software (Outlook, Excel, Word) * Knowledge of MicroStation ...

New

Guarantee Electrical

Project Engineer I

Saint Louis, MO · On-site

Familiarity with Microsoft Office and construction software tools Qualifications * Associate's degree in construction management, engineering, or related field or equivalent experience * Entry level ...

WSP

Early Career Civil Engineer

Saint Louis, MO · On-site

Perform routine engineering functions and provide entry-level technical assistance on various ... Experience using the Microsoft Office software suite * Must be able to work in the US without the ...

WSP

Early Career Civil Engineer

Saint Louis, MO · On-site

Perform routine engineering functions and provide entry-level technical assistance on various ... Experience using the Microsoft Office software suite * Must be able to work in the US without the ...

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All JobsSoftware Engineer JobsEntry Level Software Engineer JobsEntry Level Software Engineer Jobs in Belleville, IL

Entry Level Software Engineer information

See Belleville, IL salary details

$23.3K

$101.9K

$183.6K

How much do entry level software engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for entry level software engineer in Belleville, IL is $101,854.00, according to ZipRecruiter salary data. Most workers in this role earn between $63,100.00 and $116,600.00 per year, depending on experience, location, and employer.

What does an entry level software engineer do?

An entry level software engineer is responsible for assisting in the design, development, testing, and maintenance of software applications. They typically work under the guidance of more experienced engineers and may write code, debug programs, and participate in code reviews. The role often involves learning company-specific tools and workflows, collaborating with team members, and continuously improving technical skills. Entry level software engineers are expected to adapt quickly, communicate effectively, and contribute to the team's overall goals.

What does an entry level software engineer do?

An Entry-Level Software Engineer, also called a Junior Engineer, works with a team of mid-level and senior engineers to develop, test, and maintain software applications and programs. The job duties of Junior Software Engineers typically include relatively simple routine tasks, such as debugging, testing, and code documentation. These tasks hone a Junior Engineer’s skills and familiarize them with the company’s code base. As Software Engineers gain more years of experience, they work on more complex development projects.

What are the key skills and qualifications needed to thrive as an entry level software engineer, and why are they important?

To thrive as an Entry Level Software Engineer, you need a solid understanding of programming languages (such as Java, Python, or C++), computer science fundamentals, and often a relevant bachelor’s degree. Familiarity with version control systems like Git, development frameworks, and basic software development tools is typically expected. Strong problem-solving abilities, eagerness to learn, and effective collaboration are standout soft skills in this role. These skills are crucial for building reliable software, adapting to evolving technologies, and contributing productively to team projects.

What types of projects do entry level software engineers typically work on, and how do they collaborate with other team members?

Entry level software engineers often start by working on smaller features, bug fixes, or assisting with testing and documentation within larger projects. They usually collaborate closely with senior engineers, product managers, and QA teams through code reviews, daily stand-ups, and pair programming sessions. This structure helps new engineers learn best practices, understand the codebase, and gradually take on more complex assignments. Effective communication and a willingness to learn are key to success in these collaborative environments.

What is the difference between Entry Level Software Engineer vs Software Developer?

AspectEntry Level Software EngineerSoftware Developer
Required CredentialsBachelor's in CS or related field; some internshipsBachelor's in CS or related; coding experience
Work EnvironmentTeam-based, collaborative projects, entry-level tasksProject-focused, coding, debugging, and implementation
Employer & Industry UsageTech companies, startups, IT departmentsSoftware firms, tech startups, enterprise IT
Common Search & ComparisonYesYes

Entry Level Software Engineers and Software Developers often share similar educational backgrounds and work environments. The main difference lies in their roles: engineers may focus more on designing systems and architecture, while developers typically concentrate on coding and implementation. Both roles are essential in tech industries and often overlap in job functions, but understanding these distinctions helps job seekers target the right positions.

Is 25 too late to become an entry level software engineer?

Entry level software engineering roles are open to candidates of all ages, and starting at 25 is common. Many employers value skills, such as programming languages and problem-solving abilities, over age, and individuals can transition into the field through coding bootcamps, online courses, or degree programs. Age should not be a barrier to entering an entry level software engineering position.
More about Entry Level Software Engineer jobs

What are the most commonly searched types of Software Engineer jobs in Belleville, IL?

The most popular types of Software Engineer jobs in Belleville, IL are:

What are popular job titles related to Entry Level Software Engineer jobs in Belleville, IL?

For Entry Level Software Engineer jobs in Belleville, IL, the most frequently searched job titles are:

What job categories do people searching Entry Level Software Engineer jobs in Belleville, IL look for?

The top searched job categories for Entry Level Software Engineer jobs in Belleville, IL are:

What cities near Belleville, IL are hiring for Entry Level Software Engineer jobs?

Cities near Belleville, IL with the most Entry Level Software Engineer job openings:

Entry Level Software Engineer jobs near you
Infographic showing various Entry Level Software Engineer job openings in Belleville, IL as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 6% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $101,854 per year, or $49 per hour.

Application Engineer I

Nidec Corporation

Saint Louis, MO • On-site

Full-time

Re-posted 21 days ago

Nidec rating

7.3

Company rating: 7.3 out of 10

Based on 52 frontline employees who took The Breakroom Quiz

309th of 494 rated machine equipment manufacturers

Job description

We begin with dreams. Dreams drive our motivation. Dreams are our future. The world's dreams, people's dreams, our dreams. Our passion creates ideas that make dreams come alive. Technology and products that were only dreams become reality.
All for dreams. Dreams challenge and the Nidec-Group will continue to meet the challenge. For the world's and people's tomorrows; the world's first, the world's best technologies and products; we will continue our part in creating a better society.
Job Summary
Nidec US Motors, a division of Nidec Motor Corporation, seeks an Application Engineer I. This role encompasses delivering technical and commercial support for engineered motors and active participation in new business development endeavors, spanning from RFQ to successful negotiation outcomes.
The Application Engineer I harnesses in-depth engineering expertise and fosters valuable client relationships to bolster regional accounts, substantially influencing software revenue. Additionally, they play a pivotal role in assisting customers in resolving intricate engineering challenges by utilizing software products. This position encompasses providing technical pre-sales support across the entire sales process.
Job Description
Key Qualifications:
  • Proficiency in MS Office Applications (Outlook, Teams, Word, Excel, and PowerPoint).
  • Ability to communicate technical information.
  • Familiarity with industry standards and specifications.

Responsibilities:
  • Act as the primary point of contact for customer support, providing technical and commercial solutions for engineered motors.
  • Craft precise proposals for Nidec US Motors' product offerings, ensuring meticulous review of the provided information.
  • Provide essential technical and commercial training and mentorship to team members.
  • Assume a leadership role in managing quotations and opportunities.
  • Independently gather direct feedback from customers.
  • Execute calculations using engineering software.
  • Contribute to the development of new product lines.
  • Coordinate projects and customer developments.
  • Efficiently manage and monitor project pipelines.
  • Skillfully prepare and present technical and commercial proposals.

Education:
  • Bachelor of Science in Electrical, Mechanical, or Industrial Engineering or equivalent related experience.

Knowledge/Training:
  • Proficiency in MS Office Applications.
  • Familiarity with industry standards and specifications.
  • Familiarity with JD Edwards, Ansys, and Oracle for daily work-related activities and transactions is a plus
  • Ability to calculate product profitability and return on invested capital (ROIC).
  • Leadership skills in meetings.

Additional Job Details
Technical - T1
Organizational Impact
• Works to achieve operational, functional, and/or business targets within job area with indirect impact on departmental or job family results, using basic technical principles
• Entry-level technical contributor; follows standard processes and works under supervision
• Failure to achieve results typically requires allocation of additional resources and may result in additional financial expense
• Work is defined by others within smaller, less complex projects/assignments and generally more limited in scope
Communication & Influence
• Communicates with contacts typically within the team on matters that involve obtaining or providing information requiring some explanation or interpretation in order to reach agreement
Innovation & Complexity
• May be responsible for contributing to recommended enhancements in technical/business systems and processes to solve problems or improve effectiveness within job area
• Problems are routine, drawing from standard procedures and basic analysis, but may require interpretation or deviation from standard procedures
Leadership & Talent Management
• N/A - Jobs at this level are focused on self-development
Knowledge & Experience
• Requires understanding of basic context of technical and business environment, typically obtained through advanced education; may have limited to no experience
Equal Employment Opportunity and Affirmative Action at Nidec
Nidec is an Equal Employment Opportunity (EEO) and Affirmative Action Employer encouraging diversity in the workplace. All qualified applicants receive consideration for employment without regard to their age, gender, gender identity, sexual orientation, race, color, genetic information, religious creed, national origin, physical or mental disability, protected veteran status, or any other characteristic protected by law. For more information regarding your (EEO) rights as an applicant, please visit the following website: http://www1.eeoc.gov/employers/upload/eeoc_self_print_poster.pdf
Work Shift Schedule
No Soliciting
Nidec will not accept unsolicited resumes from individual recruiters or third party recruiting agencies in response to Nidec job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers. Pre-approval from the Nidec Talent Acquisition team is required before any external candidate can be submitted and such candidate must be submitted to the Nidec Talent Acquisition team.

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