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Junior Software Engineer Jobs in Roxana, IL (NOW HIRING)

Software Engineer

Hazelwood, MO · On-site

$105K - $147K/yr

Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, brings over 30 years of industry experience designing, implementing, training, and supporting high-quality, cost ...

Software Engineer

Hazelwood, MO · On-site

$105K - $147K/yr

Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, brings over 30 years of industry experience designing, implementing, training, and supporting high-quality, cost ...

Software Engineer

Hazelwood, MO · On-site

$105K - $147K/yr

Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, brings over 30 years of industry experience designing, implementing, training, and supporting high-quality, cost ...

Description Are you ready to build software that makes a real-world impact? Leidos is seeking a ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

Description Are you ready to build software that makes a real-world impact? Leidos is seeking a ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

Mid-Level Software Engineer

Madison, IL · On-site

$87K - $157K/yr

Description Are you ready to build software that makes a real-world impact? Leidos is seeking a ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

Description Are you ready to build software that makes a real-world impact? Leidos is seeking a ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

Mid-Level Software Engineer

Hartford, IL · On-site

$87K - $157K/yr

Description Are you ready to build software that makes a real-world impact? Leidos is seeking a ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

Description Are you ready to build software that makes a real-world impact? Leidos is seeking a ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

Description Are you ready to build software that makes a real-world impact? Leidos is seeking a ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

Are you ready to build software that makes a real-world impact? Leidos is seeking a talented Mid ... Participate in code reviews and mentor junior developers as needed. * Resolve various tasks as ...

New

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Showing results 1-20

Junior Software Engineer information

See Roxana, IL salary details

$44.6K

$90.7K

$136.2K

How much do junior software engineer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for junior software engineer in Roxana, IL is $90,664.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $91,600.00 per year, depending on experience, location, and employer.

What Is a Junior Software Engineer?

A junior software engineer works on a team with more senior engineers to help design and develop applications, write code, and otherwise maintain or update a business's database. As a junior software engineer, your duties and responsibilities may vary based on what company you work for. Overall, your job is to learn from senior engineers and developers on how to be a software engineer and in what ways you can develop and utilize the technologies of the business to do so. Many junior software engineers have a little bit of knowledge about a lot of technologies but also stay up-to-date on the most current technologies.

What are the key skills and qualifications needed to thrive as a Junior Software Engineer, and why are they important?

To thrive as a Junior Software Engineer, you need a solid understanding of programming fundamentals, algorithms, and commonly used languages such as Java, Python, or JavaScript, typically backed by a degree in computer science or related field. Familiarity with version control systems like Git, basic knowledge of databases, and experience with development environments and frameworks are usually expected. Strong problem-solving skills, eagerness to learn, and effective teamwork and communication abilities help set you apart. These skills and qualities are crucial for contributing effectively to projects, adapting to evolving technologies, and collaborating within development teams.

How does a Junior Software Engineer typically collaborate with other team members on projects?

Junior Software Engineers usually work closely with senior developers, QA testers, and product managers as part of a cross-functional team. Collaboration often involves participating in daily stand-up meetings, code reviews, and pair programming sessions. Juniors are encouraged to ask questions and seek feedback, which helps them learn best practices and improve their coding skills. Effective communication and a willingness to learn from more experienced colleagues are key to thriving in this collaborative environment.

What are Junior Software Engineers?

Junior Software Engineers are entry-level professionals who assist in designing, developing, testing, and maintaining software applications. They typically work under the guidance of more experienced engineers and are responsible for writing code, fixing bugs, and participating in code reviews. Junior Software Engineers often collaborate with team members to learn best practices, improve their technical skills, and contribute to software projects. This role is ideal for recent graduates or those new to the software development field.
What are the most commonly searched types of Software Engineer jobs in Roxana, IL? The most popular types of Software Engineer jobs in Roxana, IL are:
What cities near Roxana, IL are hiring for Junior Software Engineer jobs? Cities near Roxana, IL with the most Junior Software Engineer job openings:
Mission Software Engineer (Experienced or Senior)

Mission Software Engineer (Experienced or Senior)

Boeing

Berkeley, MO • On-site

$115K - $151K/yr

Full-time

Medical, Life, Retirement

Re-posted 4 days ago


Boeing rating

8.5

Company rating: 8.5 out of 10

Based on 602 frontline employees who took The Breakroom Quiz

34th of 527 rated manufacturers


Job description

Mission Software Engineer (Experienced or Senior)
Company:
The Boeing Company
The Boeing Company is looking for a Mission Software Engineer (Experienced or Senior) to join the Phantom Works Open Architecture Systems Integrated Software (OASIS) Solutions team located in Berkeley, MO. (St. Louis, MO) This position will focus on supporting the Boeing Defense, Space & Security (BDS) Software Engineering organization. This position requires an Active U.S. Secret Security Clearance.
Phantom Works is an advanced research and development organization responsible for engaging customers through cutting-edge visual modeling and simulation; innovating cross-cutting concepts and technologies; prototyping solutions to extend current products and win new programs; and developing new businesses and entering new markets. The organization is seeking software engineers to perform software design and development for Space-based effects in support of air domain missions.
The selected team member enjoys working collaboratively with others, has a commitment to customer satisfaction and process improvement, and is successful working in a multi-contract/multi-program environment. He/she will support the development of solutions to a wide range of complex problems that require ingenuity and innovation. He/she should be adaptable to new development environments and eager to work with and learn new technologies
Our teams are currently hiring for a broad range of experience levels including: Experienced or Senior Software Engineer.
Position Responsibilities
  • Designs, develops, tests, and maintains non-embedded software throughout the end-to-end lifecycle that meets industry, customer, safety, and regulation standards.
  • Reviews, analyzes, and translates customer requirements into initial design of software products.
  • Leads junior engineers in software development
  • Develops interface definitions
  • Performs unit and integration testing
  • Participates in peer reviews
  • Supports software system integration and test
  • Creates software documentation
  • Interfaces with various software programming languages

Basic Qualifications (Required Skills/ Experience):
  • Bachelor's Degree
  • Active U.S. Secret Security clearance
  • 5+ years of Software Engineering experience
  • 5+ years of experience with C++
  • 1+ years of MATLAB
  • 1+ years of Experience with Agile Software development lifecycle

Preferred Qualifications (Desired Skills/Experience):
  • Level 3: 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
  • Level 4: 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 9+ years of related work experience OR Bachelor's Degree and 13+ years of directly related work experience OR 17+ years of related, relevant experience
  • Active Top Secret
  • Familiarity with Physics-Based Modeling software packages.
  • Physics knowledge in one or more of the following: flight dynamics, sensors, electromagnetics, weapon models, terrain models, or flight control; but not required.
  • Familiarity with DevSecOps: version control, continuous integration, containers, code analysis tools (Git, GitLab, or CMake)
  • Experience working with Linux and Windows
  • Real time software development experience, but not required
  • Experience working with MATLAB Coder, but not required
  • Experience with Java in a work environment or school

Travel:10%
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.
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 Experienced: $126,650 - $171,350
Summary Pay Range Senior: $160,650 - $217,350
Potential signing bonus for eligible/qualified external candidates.
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 an active U.S. Secret Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active)
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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