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Software Engineer Jobs in Belleville, IL (NOW HIRING)

Experienced Software Engineer Company: The Boeing Company Boeing Global Services is currently seeking a highly motivated Experienced Software Engineer to become part of the Training Systems ...

Software Engineer

Saint Louis, MO · On-site +1

$100K/yr

Software Engineer (Azure Cloud, Data Engineering & Automation) | Hybrid - St. Louis, MO We are looking for a mid to senior Software Engineer to design, build, and operate backend services, data ...

Software Engineer

Saint Louis, MO · On-site +1

$100K/yr

Software Engineer (Azure Cloud, Data Engineering & Automation) | Hybrid - St. Louis, MO We are looking for a mid to senior Software Engineer to design, build, and operate backend services, data ...

Software Engineer Location: St. Louis, MO Security Clearance: Active TS/SCI (or SCI eligibility) We question. We listen. We adapt. Be honest. Be pragmatic. Omni Federal, a Washington, DC-based ...

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

Our software engineering positions provide you the opportunity to join a team of talented engineers working with leading-edge technology. You are ideal for this position if you are a forward-thinking ...

About Software Engineering Roles at Danaher Are you passionate about building real-world applications, writing clean code, and solving meaningful technical challenges? As a Software Engineering ...

About Software Engineering Roles at Danaher Are you passionate about building real-world applications, writing clean code, and solving meaningful technical challenges? As a Software Engineering ...

Senior Software Engineer

Saint Louis, MO · On-site

$114K - $151K/yr

Position Description We are seeking a Senior Software Engineer who is passionate about building modern, customer-facing applications and who also brings strength in cloud engineering and software ...

Showing results 21-40

Software Engineer information

See Belleville, IL salary details

$61.7K

$143.3K

$199.6K

How much do software engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for software engineer in Belleville, IL is $143,290.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,600.00 and $168,000.00 per year, depending on experience, location, and employer.

Are software engineers still in demand?

Software engineers are currently in high demand due to ongoing digital transformation across industries, with strong growth projected in areas like cloud computing, cybersecurity, and AI. Skills in programming languages such as Python, Java, and experience with agile development increase employability in this field.

What is a software engineer?

Software Engineers are professionals who design, develop, test, and maintain computer software and systems. They use programming languages, engineering principles, and problem-solving skills to build applications, websites, or software solutions that meet specific needs. Software Engineers may work in a variety of industries, such as technology, finance, healthcare, or entertainment, collaborating with other team members to deliver functional and reliable software. Their role often involves analyzing user requirements, writing code, debugging errors, and continually improving software performance.

What are some common challenges software engineers face when collaborating on large development teams?

Software engineers working on large teams often encounter challenges with communication, code integration, and maintaining consistent coding standards. Coordinating across multiple developers can lead to merge conflicts and misunderstandings about project requirements or priorities. Adopting tools like version control systems, regular code reviews, and clear documentation helps mitigate these issues. Building strong collaboration skills and proactively seeking clarification are key to ensuring smooth teamwork and project success.

Are software engineers still in high demand?

Software engineers remain in high demand due to ongoing digital transformation across industries, with skills in programming languages, cloud computing, and cybersecurity highly sought after. The job market is expected to grow faster than average, with opportunities in various sectors including technology, finance, and healthcare.

Is 25 too late to become a software engineer?

Age is not a barrier to becoming a software engineer; many professionals start in their mid-20s or later. Success depends on acquiring relevant skills, such as programming languages and problem-solving, often through coding bootcamps, degrees, or self-study, and gaining practical experience. Employers value skills and experience over age, making it possible to enter the field at 25 or older.

What are the key skills and qualifications needed to thrive as a software engineer, and why are they important?

To thrive as a Software Engineer, you need strong programming skills, problem-solving abilities, and a degree in computer science or a related field. Familiarity with coding languages (such as Python, Java, or C++), version control systems like Git, and knowledge of software development methodologies are typically required. Excellent teamwork, communication, and adaptability distinguish top performers in this role. These skills ensure efficient, high-quality software development that meets user needs and adapts to technological changes.

What is the difference between Software Engineer vs Software Developer?

AspectSoftware EngineerSoftware Developer
CredentialsBachelor's degree in CS or related field, certificationsBachelor's degree often preferred, certifications optional
Work EnvironmentDesigning, developing, testing, and maintaining software systemsWriting, coding, and implementing software applications
Industry UsageUsed across tech, finance, healthcare, and more for system-level rolesCommonly used in app and web development projects
Search IntentUnderstanding roles, responsibilities, and qualificationsLearning about coding, programming, and project work

While both roles involve software creation, Software Engineers typically focus on designing and architecting complex systems, whereas Software Developers mainly concentrate on coding and building specific applications. The roles often overlap, but the Engineer role may require broader system knowledge and design skills.

What do software engineers do for a job?

Software engineers design, develop, test, and maintain software applications and systems. They use programming languages, tools, and frameworks to create solutions that meet user needs and technical requirements, often collaborating with teams and following project deadlines.
What are the most commonly searched types of Software Engineer jobs in Belleville, IL? The most popular types of Software Engineer jobs in Belleville, IL are:
What are popular job titles related to Software Engineer jobs in Belleville, IL? For Software Engineer jobs in Belleville, IL, the most frequently searched job titles are:
What job categories do people searching Software Engineer jobs in Belleville, IL look for? The top searched job categories for Software Engineer jobs in Belleville, IL are:
What cities near Belleville, IL are hiring for Software Engineer jobs? Cities near Belleville, IL with the most Software Engineer job openings:
Infographic showing various Software Engineer job openings in Belleville, IL as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $143,290 per year, or $68.9 per hour.

Experienced Software Engineer

Boeing

Hazelwood, MO

Full-time

Medical, Life, Retirement

Re-posted 29 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

Experienced Software Engineer

Company:

The Boeing Company

Boeing Global Services is currently seeking a highly motivated Experienced Software Engineer to become part of the Training Systems - Battlespace Simulation Management (BSM) team in Hazelwood, Missouri. This position will support one of our programs in the Air Dominance portfolio.

Are you ready to build the future? Build your career by helping us build the next generation of flight simulators to train our nation's military pilots. Develop subsystems for Boeing Flight Trainers such as the Instructor/Operator Station, Brief/Debrief Station, Synthetic Environments, and core building block technologies used for all our flight trainers (graphics, video, networking, mission planning, exercise management & control).

BSM is responsible for the design, development, manufacture, and maintenance of training devices for a wide variety of commercial and military aircraft - everything from F-15 fighter jets to Apache attack helicopters, and even NASA's Starliner spacecraft. Software engineers on our team are responsible for all phases of the software lifecycle, including architecture, design, implementation and test. They are also directly involved in planning their own work, as part of the agile methodology, with a focus on technical excellence.

The BSM team is a large software development team comprised of several smaller agile teams, some with specialized skills. Our backlog includes everything from new feature development using cutting-edge technology to maintenance of legacy software baselines. The successful candidate will need to be comfortable working in an often fast-paced environment within a two-week "sprint" schedule. As an experienced member of the team, you will be supporting the entire product development life cycle within BSM.

Position Responsibilities:

  • Leads the design, architecture, and development of simulation models, simulation visualizations, virtual environments/platforms and frameworks
  • Partners with stakeholders to lead the review and identification of simulation requirements and dynamics of the systems being simulated.
  • Leads validation, verification, and refinement of simulation software code, models, simulations, test procedures and test environments, executing test procedures, documenting test results and modeling against real-world data, test data, benchmarks, or other similar models
  • Leads the documentation and maintenance of technical code, algorithms, specifications and descriptions of simulation models
  • Partners with cross functional engineering teams to lead integration of simulation software with hardware devices and systems
  • Leads implementing current and emerging technologies, tools, frameworks, and methods in the software engineering simulation environment
  • Leads simulation software project management functions
  • Promotes continuous improvement with ideas for process, tool, and automation improvements
  • Plans and executes work within a scrum team using scaled agile practices
  • Represents the organization as the prime technical contact on contracts and projects
  • Interacts with senior external personnel on significant technical matters often requiring coordination between organizations
  • Support proposal development and lead engineering execution by identifying activities, resources, and tasks required to complete the work statement
  • Mentor junior engineers and foster innovation within the team

Basic Qualifications (Required Skills/ Experience):

  • Bachelor's Degree
  • Ability to acquire a U.S. Secret Security Clearance (Post-Start)
  • 5+ years of experience in software engineering
  • Experience with programming in C, C++or C#
  • Experience working in an Agile software development methodology environment

Preferred Qualifications (Desired Skills/Experience):

  • Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor's Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience
  • Prior experience with object-oriented software architecture / design patterns
  • Prior experience with Python, Lua or OpenGL is a plus
  • Developing applications targeted for desktop as well as mobile/tablet environments
  • Experience with tools for Continuous Integration/Delivery, Version Control, and Build Automation
  • Familiarity with tools such as Jira, Jenkins, Gitlab, CMake, Visual Studio
  • Familiarity with simulation standards such as Distributed Interactive Simulation (DIS), Distributed Mission Operations (DMO), and High Level Architecture (HLA)
  • Experience with aircraft platforms, aviation, simulation, and training systems is beneficial
  • Strong written and verbal communication skills along with the ability and desire to work in a team environment

Travel: This position may require up to 10% travel

Drug Free Workplace:

Boeing is a Drug Free Workplace (DFW) 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.

Conflict of Interest:

Successful candidates for this job must satisfy the Company's Conflict of Interest (COI) assessment process.

CodeVue Coding Challenge:

To be considered for this position you will be required to complete a technical assessment as part of the selection process. Failure to complete the assessment will remove you from consideration.

Pay & Benefits:

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.

Pay is based upon candidate experience and qualifications, as well as market and business considerations.

Summary Pay Range: $126,650 - $171,350

Language Requirements:

Not Applicable

Education:

Bachelor's Degree or Equivalent

Relocation:

This position offers relocation based on candidate eligibility.

Export Control Requirement:

This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. 120.62 is required. "U.S. Person" includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

Safety Sensitive:

This is not a Safety Sensitive Position.

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)

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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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