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Entry Level Software Engineer Jobs in O Fallon, IL

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 ...

E*Pro, Inc.

Jr. Validation Engineer

Saint Louis, MO · On-site

Temporary, entry-level position to mitigate expected validation workload Review requirements ... Software testing prior to deployment to test environment Execute test protocols Perform issue ...

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 ...

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All JobsEntry Level Software Engineer JobsEntry Level Software Engineer Jobs in O'Fallon, IL

Entry Level Software Engineer information

See O Fallon, IL salary details

$22.4K

$97.8K

$176.3K

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

As of Jun 23, 2026, the average yearly pay for entry level software engineer in O'Fallon, IL is $97,817.00, according to ZipRecruiter salary data. Most workers in this role earn between $60,600.00 and $111,900.00 per year, depending on experience, location, and employer.

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.

How to get a job as a software engineer with no experience?

Entry level software engineers can improve their chances by building a portfolio of personal projects, contributing to open-source software, and learning relevant programming languages like Python or Java. Gaining certifications, such as those in specific technologies or coding bootcamps, can also demonstrate skills to employers. Internships or apprenticeships provide practical experience and networking opportunities in the field.

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 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 engineers make $500,000?

Highly experienced software engineers, especially those in specialized fields like machine learning, data science, or working at top tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. Achieving this level typically requires advanced skills, significant industry experience, and often working in leadership or senior technical roles.

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 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.

Is it true that AI will replace software engineers?

AI technology is advancing and automating certain coding tasks, but entry level software engineers are still essential for designing, testing, and maintaining software systems. AI tools can assist developers, but human oversight and problem-solving skills remain critical in software development roles.

Will AI replace coders by 2040?

Entry level software engineers perform coding tasks that are likely to evolve with AI tools, which can automate repetitive programming aspects. However, human oversight, problem-solving, and creativity remain essential, making complete replacement unlikely by 2040. AI will serve as a complement, enhancing productivity rather than replacing developers entirely.
More about Entry Level Software Engineer jobs
What are the most commonly searched types of Software Engineer jobs in O'Fallon, IL? The most popular types of Software Engineer jobs in O'Fallon, IL are:
What cities near O'Fallon, IL are hiring for Entry Level Software Engineer jobs? Cities near O'Fallon, 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 O'Fallon, IL as of June 2026, with employment types broken down into 73% Full Time, 8% Part Time, 4% Temporary, and 15% Contract. Highlights an 85% In-person, 4% Hybrid, and 11% Remote job distribution, with an average salary of $97,817 per year, or $47 per hour.
Entry Level - ML Engineer

Entry Level - ML Engineer

SynergisticIT

Saint Louis, MO • On-site

Other

This job post has expired today. Applications are no longer accepted.

Job description

Since 2010 Synergisticit has helped Jobseekers get employed in the tech job market by providing candidates the requisite skills, experience, and technical competence to outperform at interviews and at clients. Here at SynergisticIT We just don't focus on getting you a tech Job we make careers.
In this Job market also, our candidates are able to achieve multiple job offers and $100k + salaries.
please check the below links to see the success outcomes and salaries of our candidates .
https://www.synergisticit.com/candidate-outcomes/
https://reg.rf.oracle.com/flow/oracle/cwoh23/OCWExhibitorCatalog/page/OCWexhibitorcatalog
We regularly interact with the Top Tech companies to give our candidates a competitive advantage visit the below videos exhibiting at Oracle Cloud World/Oracle Java one (Las Vegas) -2023/2022 and at Gartner Data Analytics Summit (Florida)-2023
https://synergisticit.wistia.com/medias/tmwjwchxz5
https://synergisticit.wistia.com/medias/n8487768di
https://synergisticit.wistia.com/medias/o5gmv7i9eu
https://synergisticit.wistia.com/medias/k6t6a1n4kb
https://synergisticit.wistia.com/medias/pgrvq4fgni
https://synergisticit.wistia.com/medias/ce4syhm853
All Positions are open for all visas and US citizens
We at Synergisticit understand the problem of the mismatch between employer's requirements and Employee skills and that's why since 2010 we have helped 1000's of candidates get jobs at technology clients like pple, google, Paypal, Western Union, Client, visa, Walmart lab s etc to name a few.
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 positions with clients.
Who Should Apply Recent Computer Science/Engineering /Mathematics/Statistics or Science Graduates or People looking to switch careers or who have had gaps in employment and looking to make their careers in the Tech Industry.
We assist in filing for STEM extension and also for H1b and Green card filing to Candidates
We want Data Science/Machine learning/Data Analyst and Java Full stack candidates
For data Science/Machine learning Positions
REQUIRED SKILLS
Bachelors degree or Masters degree in Computer Science, Computer Engineering, Electrical Engineering, Information Systems, IT
Project work on the technologies needed
Highly motivated, self-learner, and technically inquisitive
Experience in programming language Java and understanding of the software development life cycle
Knowledge of Statistics, Gen AI, LLM, Python, Computer Vision, data visualization tools
Excellent written and verbal communication skills
Preferred skills: NLP, Text mining, Tableau, PowerBI, Databricks, Tensorflow
REQUIRED SKILLS For Java /Full stack/Software Positions
Bachelors degree or Masters degree in Computer Science, Computer Engineering, Electrical Engineering, Information Systems, IT
Highly motivated, self-learner, and technically inquisitive
Experience in programming language Java and understanding of the software development life cycle
Project work on the skills
Knowledge of Core Java, Javascript, C++, or software programming
Spring boot, Microservices, Docker, Jenkins, Github, Kubernates, and REST API's experience
Excellent written and verbal communication skills
If you get emails from our Job Placement team and are not interested please email them or ask them to take you off their distribution list and make you unavailable as they share the same database with the client servicing team and only connect with candidates who are matching client requirements.
No phone calls, please. Shortlisted candidates would be reached out. No third-party or agency candidates or c2c candidates

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