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Assistant Software Developer Jobs in Belleville, IL

The Software Quality Engineer I is an early-career role responsible for testing and validating ... Automation Support • Assist in building or maintaining test scripts and lightweight automation ...

Software Engineer III

Saint Louis, MO

$56 - $75/hr

Azure DevOps Pipelines or other CI/CD tools Microservices or RESTful APIs Agile experience * Strong ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Software Engineer III

Saint Louis, MO · On-site

$56 - $75/hr

Azure DevOps Pipelines or other CI/CD tools Microservices or RESTful APIs Agile experience * Strong ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

You will assist with tasks to ensure secure operations in an AWS (Cloud One) environment in ... Collaborate with DevOps, engineering, and compliance teams to integrate security controls into CI ...

Security Software Engineer

Swansea, IL · On-site

$81K - $95K/yr

You will assist with tasks to ensure secure operations in an AWS (Cloud One) environment in ... Collaborate with DevOps, engineering, and compliance teams to integrate security controls into CI ...

Security Software Engineer

Swansea, IL · On-site

$81K - $95K/yr

You will assist with tasks to ensure secure operations in an AWS (Cloud One) environment in ... Collaborate with DevOps, engineering, and compliance teams to integrate security controls into CI ...

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Assistant Software Developer information

See Belleville, IL salary details

$28.7K

$97.4K

$234.6K

How much do assistant software developer jobs pay per year?

As of May 28, 2026, the average yearly pay for assistant software developer in Belleville, IL is $97,388.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,700.00 and $103,000.00 per year, depending on experience, location, and employer.

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

To thrive as an Assistant Software Developer, you need a solid understanding of programming languages (such as Java, Python, or C#), basic software development principles, and often a degree in computer science or a related field. Familiarity with version control systems like Git, integrated development environments (IDEs), and common frameworks or libraries is typically required. Strong problem-solving abilities, teamwork skills, and attention to detail help individuals excel in collaborative and fast-paced development environments. These skills and qualities are vital for producing high-quality code, supporting project goals, and contributing effectively to software development teams.

What are some common challenges faced by Assistant Software Developers when working on team projects?

Assistant Software Developers often encounter challenges such as understanding existing codebases, managing time effectively while balancing multiple tasks, and keeping up with rapidly changing project requirements. Collaboration is key, as you'll frequently work alongside senior developers, testers, and project managers, which requires clear communication and openness to feedback. Embracing these challenges helps build problem-solving skills and sets the stage for future career growth within the development team.

What is an Assistant Software Developer?

An Assistant Software Developer is an entry-level professional who supports software development teams by assisting in coding, testing, debugging, and maintaining software applications. They typically work under the guidance of more experienced developers, helping to implement features, fix bugs, and learn best practices in software engineering. This role is ideal for recent graduates or those new to the field, providing valuable hands-on experience and an opportunity to build technical skills. Over time, Assistant Software Developers may advance to more senior roles as they gain experience and expertise.

What is the difference between Assistant Software Developer vs Junior Software Developer?

AspectAssistant Software DeveloperJunior Software Developer
Required CredentialsTypically an associate degree or relevant certificationsUsually an associate degree or entry-level certifications
Work EnvironmentSupportive team, learning-focused, entry-level projectsHands-on coding, developing features, debugging
Employer & Industry UsageCommon in tech companies, startups, and IT departmentsWidely used across software firms, tech startups, and IT services

The main difference is that Assistant Software Developers often focus on supporting tasks and learning, while Junior Software Developers are more involved in actual coding and project work. Both roles are entry-level, but Junior Developers typically have more hands-on responsibilities and experience.

What are the most commonly searched types of Software Developer jobs in Belleville, IL? The most popular types of Software Developer jobs in Belleville, IL are:
What are popular job titles related to Assistant Software Developer jobs in Belleville, IL? For Assistant Software Developer jobs in Belleville, IL, the most frequently searched job titles are:
What job categories do people searching Assistant Software Developer jobs in Belleville, IL look for? The top searched job categories for Assistant Software Developer jobs in Belleville, IL are:
What cities near Belleville, IL are hiring for Assistant Software Developer jobs? Cities near Belleville, IL with the most Assistant Software Developer job openings:
Flight Simulation Software Engineers (Associate, Experienced, and Senior)

Flight Simulation Software Engineers (Associate, Experienced, and Senior)

Boeing

Berkeley, MO

$126.65K - $171.35K/yr

Full-time

Medical, Life, Retirement

Posted 27 days ago


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

Flight Simulation Software Engineers (Associate, Experienced, and Senior)

Company:

The Boeing Company

The Boeing Company is currently seeking Flight Simulation Software Engineers (Associate, Experienced, and Senior) to join the Flight Simulation Labs team located in Berkeley, MO.This position will focus on supporting the Boeing Defense, Space & Security (BDS) business organization.

The roles will involve software development for tools that support simulation infrastructure across Flight Simulation Labs. Selected candidates will be aligned to a statement of work that best suits their interests and skillset, some of which could include:

  • Creating core simulation infrastructure to serve as a jumping-off point for programs developing flight simulation capabilities

  • Developing tools to simulate, monitor, and capture messages between subsystems in a lab environment

  • Modeling various aircraft capabilities, including the ability to run constructive scenarios in a testing environment


Our Air Dominance software engineers design, develop, and demonstrate avionics solutions for the platforms we build and upgrade. Your efforts will assist in integration of innovative technologies to maintain our platform's dominance over the battlefield for many decades to come. Additionally, our software engineers support the Flight Simulation products associated with our platforms.

Our teams are currently hiring for a broad range of experience levels including; Associate, Experienced, and Senior Level Software Engineers.

Position Responsibilities:

  • Develops, documents and maintains architecture, requirements, algorithms, interfaces and designs for software systems

  • Develops and maintains code and integrates software components into a fully functional software system

  • Supports development of simulation environments to support testing performed by Mission Systems engineers

  • Works on an agile team in order to accomplish team goals

  • Executes and documents software research and development projects

  • Works under general direction

Basic Qualifications (Required Skills/ Experience):

  • Bachelor's Degree

  • Ability to obtain a U.S. Secret Security Clearance for which the U.S. Government requires U.S. Citizenship. Ability to obtain Secret U.S. Security clearance (Post-Start)

  • 2+ years of experience programming in C, C++, C#, Python, Java, or Ada (or an equivalent combination of technical education and experience)

  • 2 + years' experience as a Software Engineer

Preferred Qualifications (Desired Skills/Experience):

  • Level 2: 2 or more years' related work experience or an equivalent combination of education and experience

  • Level 3: 5 or more years' related work experience or an equivalent combination of education and experience

  • Level 4: 9 or more years' related work experience or an equivalent combination of education and experience

  • Experience in the defense or avionics industry

  • Knowledge of basic networking principles

  • Experience working on an Agile team using Agile methodologies and tools such as Jira

  • Strong coordination and communication skills

  • Ability to work in a multi-tasking environment while supporting multiple concurrent activities

  • Ability to work effectively in a collaborative team environment

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.

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.

Total Rewards & Pay Transparency:

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 for Associate: $94,450.00 - $134,550.00.

Summary pay range for Experienced: $126,650.00 - $171,350.00.

Summary pay range for Senior: $160,650. 00 - $217,350.00.

Potential signing bonus for eligible/qualified external candidates.

Language Requirements:

Not Applicable

Education:

Not Applicable

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. Top 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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