ZipRecruiter

Log In

2

Entry Level Software Developer Jobs in O Fallon, IL

Genesis10

Entry Level Data Engineer

Saint Louis, MO · On-site

$60K/yr

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 ...

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 ...

next page

Showing results 1-20

People also search for

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

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 or Experienced Design, Analysis and Test Engineer **Sign on Bonus Potential**

Entry Level or Experienced Design, Analysis and Test Engineer **Sign on Bonus Potential**

Boeing

Berkeley, MO • On-site

Full-time

Medical, Life, Retirement

Posted yesterday

Boeing rating

8.5

Company rating: 8.5 out of 10

Based on 582 frontline employees who took The Breakroom Quiz

34th of 511 rated manufacturers

Job description

Entry Level or Experienced Design, Analysis and Test Engineer **Sign on Bonus Potential**
Company:
Want to work on some of the most advanced aerospace systems on the planet? Join a team building next generation fighters, trainers, and avionics
Boeing is seeking to hire Electronic Systems Design, Analysis, and Test Engineers for current and emerging programs across the St. Louis region, including Berkeley, MO, Hazelwood, MO, St. Charles, MO, and Mascoutah, IL.
This position spans the technology development life cycle, including requirements generation, system design and implementation, integration, and test. As a key member of our team, you will have the opportunity to work on cutting-edge projects, collaborate with cross-functional teams, and contribute to the success of our programs.
Who we are:
  • We are curious, creative and explore new ideas that move our company and industry forward.
  • Invest in and care for our people, and we treat each other with respect even when we disagree. We feel comfortable raising concerns; we ask for help when needed; and we support our teammates because we can only achieve our shared mission by working together.
  • Work with integrity and build trust by consistently meeting our commitments and communication transparently with customers, colleagues and stakeholders.
  • We take pride in doing hard work and if we make a mistake, we own it, learn from it, and strive to improve.
  • How we think and act each day keeps our people and those who rely on us safe. We take responsibility for our mission to design, build and service complex products with precision and sound decision making.

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and integrity.
This includes, but is not limited to:
  • Air Dominance (AD)
  • Phantom Works
  • Boeing Global Services (BGS)
  • Precision Engagement Systems (PES)
  • Boeing Test and Evaluation (BT&E).

Some example products within the portfolios include:
  • Fighters (F-15, F/A-18, F-47 & F-22)
  • T-7A Trainers
  • MQ-25
  • JDAM
  • Harpoon

Come join our team and make a career out of making a difference!!
Position Responsibilities:
  • Assist with the development and documentation of electronic and electrical system requirements according to customer desires and contract requirements
  • Assist in monitoring suppliers' performance to ensure compliance with requirements.
  • Analyze, translate and implement customer requirements into system architecture, hardware and software designs and interface specifications, showing traceability throughout the product lifecycle
  • Understand and apply job practices, techniques, standards, principles, theories, and concepts
  • Develop or modify basic hardware and software designs based on defined requirements.
  • Perform system tests to verify operational and functional requirements.
  • Assist in resolving product integration issues and production anomalies
  • Research basic technologies for potential application to internal business strategies.
  • Solve problems concerning fielded hardware and software over the entire product lifecycle

This position is expected to be 100% onsite. The selected candidate will be required to work on-site at one of the listed location options.
Potential signing bonus for eligible/qualified external candidates.
Some programs may require domestic and/or international travel.
This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship.
  • A final U.S. Secret or Top-Secret Clearance Post-Start is required.
  • Special Program Access or other Government Access Requirements may be required for this position.

Basic Qualifications (Required Skill/Experience):
  • Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement
  • Currently reside in OR willing to relocate to the St. Louis, Missouri region

Preferred Qualifications (Desired Skills/Experience):
  • Level 1: Bachelor's degree in above fields and technical experience
  • Level 2: 2 or more years' related work experience or an equivalent combination of technical education and experience
  • Experience in the Aerospace Industry or aerospace projects
  • Experience using good communication, analytical, and organizational skills and able to work in a team environment
  • Experience within a design/build or test team
  • Experience creating, developing, and/or maintaining engineering processes
  • Experience with electronic/electrical system designs or test based on requirements

Conflict of Interest: Successful candidates for this job must satisfy the Company's Conflict of Interest (COI) assessment process.
Drug Free Workplace:
Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.
The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.
Please note that the salary information shown below is a general guideline only. Pay is based upon candidate experience and qualifications, as well as market and business considerations.
Summary pay range:
Level 1: $73,950 - $100,050
Level 2: $91,800 - $124,200
The Boeing 401(k) helps you save for your future, with contributions from Boeing that can help you grow your retirement savings. Our best-in-class retirement benefit features:
  • Best in class 401(k) plan: we'll match your contributions dollar for dollar, up to 10% of eligible pay with Immediate 100% vesting
  • Student Loan Match: The Boeing 401(k) Student Loan Match allows eligible enrolled U.S. employees to have their qualified student loan debt payments counted, along with any match-eligible contributions they make, for purposes of determining the Company Match to employees' Boeing 401(k) accounts.

Language Requirements:
Not Applicable
Education:
Bachelor's Degree or Equivalent
Relocation:
This position offers relocation based on candidate eligibility.
Export Control Requirement:
Safety Sensitive:
Security Clearance:
This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.
Visa Sponsorship:
Employer will not sponsor applicants for employment visa status.
Contingent Upon Award Program
This position is not contingent upon program award
Shift:
Shift 1 (United States of America)
Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - Recruitment Fraud Warning
Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.
EEO is the law
Boeing EEO Policy
Request an Accommodation
Applicant Privacy
Boeing Participates in E - Verify
  • E-Verify (English)
  • E-Verify (Spanish)

Right to Work Statement
  • Right to Work (English)
  • Right to Work (Spanish)

What Boeing employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply