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Entry Level Software Engineer Jobs in O Fallon, MO

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 ...

Horner-

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 ...

GBA Team

Civil Engineer EIT - Traffic

Chesterfield, MO · On-site

We're looking for an Entry-Level Traffic Engineer to join our growing Traffic Group. This role ... Familiarity with or willingness to learn traffic analysis software such as Synchro and VISSIM/VISUM.

Horner & Shifrin

Engineer (Transportation)

O Fallon, 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 ...

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 O'Fallon, MO

Entry Level Software Engineer information

See O Fallon, MO salary details

$22.5K

$98.1K

$176.8K

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

As of Sep 12, 2026, the average yearly pay for entry level software engineer in O'Fallon, MO is $98,097.00, according to ZipRecruiter salary data. Most workers in this role earn between $60,800.00 and $112,300.00 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 O'Fallon, MO?

The most popular types of Software Engineer jobs in O'Fallon, MO are:

What are popular job titles related to Entry Level Software Engineer jobs in O'Fallon, MO?

For Entry Level Software Engineer jobs in O'Fallon, MO, the most frequently searched job titles are:

What cities near O'Fallon, MO are hiring for Entry Level Software Engineer jobs?

Cities near O'Fallon, MO 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 O'Fallon, MO as of September 2026, with employment types broken down into 100% Full Time. Highlights an 73% In-person, 18% Hybrid, and 9% Remote job distribution, with an average salary of $98,097 per year, or $47.2 per hour.

Entry Level PreConstruction Engineer

Saint Louis, MO • On-site

Barry-Wehmiller
See more jobs at Barry-Wehmillerexternal

$75K - $90K/yr

Full-time

Posted 14 days ago

Job description

About Us:

BW Design Group is a fully integrated architecture, engineering, construction, system integration, and consulting firm committed to helping our clients realize their most critical goals from Strategy to Commercialization. As the only firm born from a manufacturing technology company to become an independent and fully integrated firm, we combine deep domain expertise in the manufacturing environment with an approach that is built to serve the dynamic needs of our clients. Rooted in our distinct culture of Truly Human Leadership, we cultivate the leaders who will define tomorrow and partner with our clients in the food & beverage, life sciences, industrial, and advanced technology industries to build the future of manufacturing and technology.


 

Barry-Wehmiller is a diversified global supplier of engineering consulting and manufacturing technology for the packaging, corrugating, sheeting and paper-converting industries. By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world.


 

Job Description:

Who You'll Work With

At Design Group,you'llcollaborate with experienced leaders, technical specialists, and subject matter experts to solve complex challenges for some of the world's leading companies.You'lljoin a growing team of more than 1,500 professionals across 45 U.S. offices whereyou'llbe empowered to make an impact, develop yourexpertise, and grow your career.

What You'll Do

In this role,you'llsupport preconstruction activities for design-build capital projects within Design Group's Construction Practice.You'llwork under the supervision of a preconstruction manager, construction project manager, or site superintendent whileassistingwith estimating, planning, procurement, and project coordination. This position playsan important rolein helping project teamsestablishclear scopes, schedules, pricing, and delivery plans before construction begins.You'llgain experience across industrial markets while building the technical and business foundation for continued growth in construction project delivery.

  • Support less complex estimating, planning, and buyout activities for design-build projects

  • Assistwith developing project schedules, phasing plans, bid lists, scope packages, and price evaluations

  • Prequalify vendors and subcontractors using established requirements and processes

  • Process requests for information, bulletins, submittals, and other preconstruction documentation

  • Follow established preconstruction quality control procedures and documentation requirements

  • Coordinate with design teams, construction teams, subcontractors, consultants, equipment manufacturers, and suppliers

  • Assistwith collecting andmaintainingcurrent project cost data

  • Develop knowledge of industrial construction across manufacturing, distribution, cold storage, advanced technology, oil and gas, pharmaceutical, and food processing facilities

  • Participate in post-project reviews and document lessons learned for future planning and estimating efforts

  • Travel periodically for project meetings, site visits, training, and client engagements asrequired

What You'll Bring

Qualifications

  • Bachelor of Science in Construction Management, Civil Engineering, or a related field

  • Construction-related experience gained through an internship, co-op, academic project, or professional role

  • Ability to read and interpret construction drawings, specifications, and project documentation

  • Ability to travel for project requirements, including client-site meetings, training, and project support activities

Preferred Qualifications

  • Experience with Procore, Microsoft Project, Bluebeam, or similar construction management software

  • Exposure to estimating, procurement, scheduling, cost tracking, or subcontractor coordination activities

Compensation

The approximate pay range for this position is$75,000-$90,000. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and abilities, as well as geographic location of the position.


 

At Barry-Wehmiller we recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. If your experience is close to what you see listed here, please still consider applying. We know that our differences often can bring about innovation, excellence and meaningful work-therefore, people from all backgrounds are encouraged to apply to our positions. Please let us know if you require reasonable accommodations during the interview process.

Barry-Wehmiller is an equal opportunity employer. M/F/D/V This organization uses E-Verify.


 

Applicants may be subject to pre-employment screening which may include drug screening, reference checks, employment verifications, background screening and/or skills assessments.


Company:

Design Group

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