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Entry Level Software Developer Jobs in O Fallon, IL

Genesis10

Entry Level Software Developer

Saint Louis, MO · On-site

$60K/yr

Now hiring for our Software Developer cohort starting in August of 2026. To apply, please submit a formal application through our website: Dev10 Apply Here What We Require * Willingness to relocate ...

SynergisticIT

Junior Full-stack developer

Saint Louis, MO · On-site

$65.10K - $84.60K/yr

Currently, We are looking for entry-level software programmers, Java full-stack developers, Python/Java developers, Data analysts/ Data Scientists, and Machine Learning engineers for full-time ...

SynergisticIT

Machine Learning Engineer

Saint Louis, MO · On-site

Required Skills for Java/Software Programmers: * Bachelor's degree or Master's degree in Computer ... entry-level position each additional Technical skill helps a candidate's resume to be picked by ...

Prairie Engineers

Entry Level Civil Engineer

Columbia, IL · On-site

$62K - $90K/yr

Build your career with Prairie Engineers, an award-winning firm! Join a collaborative team that ... Software Experience: CADD/GIS experience * More Experience: Previous experience or internships What ...

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Entry Level Software Developer information

See O Fallon, IL salary details

$27.5K

$93.5K

$225.3K

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

As of May 28, 2026, the average yearly pay for entry level software developer in O'Fallon, IL is $93,528.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,200.00 and $98,900.00 per year, depending on experience, location, and employer.

What Does an Entry Level Software Developer Do?

An entry-level software developer has simpler duties compared to more senior members of the field. At the entry level, your responsibilities are to create simple, single-thread code to achieve a specific task. These bits of code can be combined to create a larger program. You may also have to create or write a design algorithm by which you create software. However, most of the time, as an entry-level developer, you are in charge of debugging. You have to comb through the code of a piece of software to remove errors.

What are the key skills and qualifications needed to thrive as an Entry Level Software Developer, and why are they important?

To thrive as an Entry Level Software Developer, you need a solid understanding of programming languages such as Java, Python, or C++, along with a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and basic knowledge of databases is important. Strong problem-solving abilities, attention to detail, and effective teamwork set standout candidates apart. These skills and qualities are crucial for building reliable software, collaborating with colleagues, and adapting to evolving technical requirements.

What types of projects and tasks can I expect to work on as an entry level software developer?

As an entry level software developer, you will typically be assigned to work on smaller modules or features within larger projects, often under the guidance of more experienced developers. Your daily tasks may include writing and testing code, fixing bugs, participating in code reviews, and collaborating with team members through agile sprints or regular meetings. You'll also have opportunities to learn new technologies, contribute to documentation, and gradually take on more complex responsibilities as you gain experience. This environment encourages continuous learning and close collaboration with others, helping you build both technical and teamwork skills.

What are entry level software developers?

Entry level software developers are professionals who are at the beginning of their software development careers. They typically have foundational knowledge of programming languages, software development methodologies, and problem-solving skills. Entry level developers work under the guidance of more experienced engineers to write code, fix bugs, and contribute to software projects. Their responsibilities often include learning new technologies, collaborating with team members, and gaining practical experience to advance in their careers.

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

AspectEntry Level Software DeveloperJunior Software Engineer
Required CredentialsBachelor's in CS or related field, coding bootcamp experienceBachelor's in CS or related field, internship experience
Work EnvironmentTech companies, startups, software firmsTech companies, consulting firms, startups
Employer UsageCommonly used in job postings and industryOften used interchangeably with Entry Level Software Developer

Both roles typically require a bachelor's degree in computer science or related fields and some coding experience. They work in similar environments like tech companies and startups. The terms are often used interchangeably, but 'Junior Software Engineer' may emphasize a slightly more engineering-focused role. Overall, they represent entry-level positions for aspiring software professionals.

More about Entry Level Software Developer jobs
What are the most commonly searched types of Software Developer jobs in O'Fallon, IL? The most popular types of Software Developer jobs in O'Fallon, IL are:
What are popular job titles related to Entry Level Software Developer jobs in O'Fallon, IL? For Entry Level Software Developer jobs in O'Fallon, IL, the most frequently searched job titles are:
What cities near O'Fallon, IL are hiring for Entry Level Software Developer jobs? Cities near O'Fallon, IL with the most Entry Level Software Developer job openings:
Entry Level Software Developer jobs near you
Entry Level Software Developer

Entry Level Software Developer

Genesis10

Saint Louis, MO

$60K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Job description

To apply, please submit a formal application through our website: Dev10 Apply Here Please note: Applications submitted through this job posting will not be reviewed. You must apply via our site. Important: This role requires willingness to relocate anywhere in the United States.

Are you ready to break into the tech industry or take your technical skills to the next level? Dev10 provides a path for individuals who have a foundation in technical skills or professional experience and are eager to continue growing. Whether you’ve earned a technical degree, gained hands-on programming experience, or worked professionally in industries like finance, healthcare, or insurance – Dev10 is your opportunity to upskill and launch a career in Software Development.

Dev10 provides a pathway for motivated learners to gain real-world experience while developing technical skills through immersive training. Whether you're growing your existing programming knowledge or starting to build those skills for the first time, Dev10 equips you with the tools to succeed. You'll train in technologies including Java, IntelliJ, MySQL, Spring, HTML, CSS, JavaScript, REST, and React.

Now hiring for our Software Developer cohort starting in August of 2026. To apply, please submit a formal application through our website: Dev10 Apply Here What We Require Willingness to relocate anywhere in the continental United States Dev10 cannot provide or support any type of employment visa or work authorization paperwork, including OPT, CPT, EAD, H-1B, or TN. The only exceptions are for Asylees, Refugees, and TPS Bachelor’s degree Programming experience (minimum 6 months), shown on your resume, from academic coursework, hands-on projects, or professional work.

Experience must be in one or more of the following languages: Java, Python, C, C#, C , JavaScript, R, SQL, MATLAB, Mathematica, TypeScript, Shell scripting, Go, or Kotlin. Plus one of the following, clearly listed on your resume: A recent STEM degree (e.g., Computer Science, Information Technology, Engineering, or a related discipline) OR 12 months of professional work experience in finance, healthcare, banking, insurance, hospitality, aviation, or tech What We Look For Passion for learning and interest in Software Development Strong logic and reasoning skills Clear communication and collaboration abilities Team-oriented mindset What We Offer Paid training (3-4 months) to build technical skills needed from the ground up – $600/week Mentorship and instruction from Senior Engineers in an immersive, hands-on environment $2,500 relocation assistance Two years of client project experience Hourly pay rate of $24.04 (~$50k annually) or $28.85 (~$60k annually) depending on assigned location Dev10 Manager to help you navigate corporate culture and support your growth Comprehensive benefits: health, vision, dental, 401(k), and paid time off Curious if a career in Software Development is right for you? Let’s explore this career path together!

To apply, please submit a formal application through our website: Dev10 Apply Here Please note: Applications submitted through this job posting will not be reviewed. You must apply via our site. For more information on Dev10, check out our website at http://www.dev-10.com/

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About Genesis10

Sourced by ZipRecruiter

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

New York, NY, US

Year founded

1999

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