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Entry Level Software Engineer Jobs in O Fallon, MO

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

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Entry Level Software Engineer information

See O Fallon, MO salary details

$22.4K

$98.1K

$176.7K

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

As of Aug 7, 2026, the average yearly pay for entry level software engineer in O'Fallon, MO is $98,054.00, according to ZipRecruiter salary data. Most workers in this role earn between $60,800.00 and $112,200.00 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.

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 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.

What is the entry-level position for a software engineer?

The entry-level position for a software engineer is typically called a Software Engineer I or Junior Software Engineer. It involves basic coding, debugging, and learning company tools and processes, often requiring familiarity with programming languages like Java, Python, or C++. This role provides foundational experience and may require a bachelor's degree in computer science or related fields.

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

To secure an entry level software engineer position with no experience, focus on building a strong foundation in programming languages like Python or Java, create a portfolio of personal projects, and gain familiarity with tools such as Git and Linux. Internships, coding bootcamps, and certifications can also improve your chances by demonstrating practical skills to employers.

Is 25 too late to become an entry level software engineer?

Entry level software engineering roles are open to individuals of various ages, including those starting in their mid-20s. Many employers value skills, relevant training, and problem-solving ability over age, and career changers often successfully transition into software engineering at this stage by learning programming languages and gaining practical experience. Age is generally not a barrier to entering the field at an entry level.
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 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:
Infographic showing various Entry Level Software Engineer job openings in O'Fallon, MO as of July 2026, with employment types broken down into 83% Full Time, 14% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $98,054 per year, or $47.1 per hour.

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

Boeing

Berkeley, MO • On-site

Full-time

Medical, Life, Retirement

Re-posted 20 days ago


Boeing rating

8.5

Company rating: 8.5 out of 10

Based on 612 frontline employees who took The Breakroom Quiz

33rd of 536 rated manufacturers


Job description

Entry Level or Associate 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,Boeingdevelops, 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 Accessor 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:

Boeingis 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.

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