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Entry Level Software Engineer Jobs in O Fallon, MO

Boeing

Embedded Software Engineer - Entry-Level

Berkeley, MO · On-site

$123K - $162K/yr

Embedded Software Engineer - Entry-Level Company: The Boeing Company The Boeing Company is looking for an Embedded Software Engineer - Entry-Level to join our Government Vehicle Health Management ...

Boeing

Embedded Software Engineer - Entry-Level

Berkeley, MO · On-site

$123K - $162K/yr

Embedded Software Engineer - Entry-Level Company: The Boeing Company The Boeing Company is looking for an Embedded Software Engineer - Entry-Level to join our Government Vehicle Health Management ...

Boeing

Embedded Software Engineer - Entry-Level

Hazelwood, MO · On-site

$124K - $163K/yr

Embedded Software Engineer - Entry-Level Company: The Boeing Company The Boeing Company is looking for an Embedded Software Engineer - Entry-Level to join our Government Vehicle Health Management ...

Boeing

Embedded Software Engineer - Entry-Level

Hazelwood, MO · On-site

$124K - $163K/yr

Embedded Software Engineer - Entry-Level Company: The Boeing Company The Boeing Company is looking for an Embedded Software Engineer - Entry-Level to join our Government Vehicle Health Management ...

Maritz

Software Engineer II

Fenton, MO · On-site

The Software Engineer II supports the development of software that serves Maritz technology, working closely with and under the guidance of fellow engineers on the team. In this role, you will help ...

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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 Aug 22, 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 August 2026, with employment types broken down into 100% Full Time. Highlights an 87% In-person, and 13% Remote job distribution, with an average salary of $98,097 per year, or $47.2 per hour.

Looking for Entry Level Software Engineers

AG Technologies

Chesterfield, MO • On-site

Full-time

Re-posted 28 days ago

Job description

Company Description

AG Technologies was founded as a software solutions company in 2008 & has its corporate headquarters at Chesterfield, Missouri with branches within the US and India. Over the years the organization has expanded into various market segments & activities including "Consultancy services" of technical personnel in large and multi-national organizations. Over the last five years, our client base of Fortune 100 companies has expanded dramatically

Job Description

Required skills:c++,sql,unix,

Qualifications

Bachelors or Masters

Additional Information


Further Information please contact to 214-295-4212

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