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Mid Level Software Engineer Jobs in Ballwin, MO (NOW HIRING)

Mid-Level Test Engineer

Hartford, IL · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Hazelwood, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Valley Park, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Earth City, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting ...

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Madison, IL · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Chesterfield, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Ballwin, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Saint Ann, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Granite City, IL · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Florissant, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Columbia, IL · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Mid-Level Test Engineer

Fenton, MO · On-site

$87K - $157K/yr

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Showing results 41-60

Mid Level Software Engineer information

See Ballwin, MO salary details

$61.7K

$143.5K

$199.8K

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

As of Aug 19, 2026, the average yearly pay for mid level software engineer in Ballwin, MO is $143,455.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,700.00 and $168,200.00 per year, depending on experience, location, and employer.

What is a mid level software engineer?

A Mid Level Software Engineer is a professional with a few years of experience who develops, tests, and maintains software applications. They work independently on tasks, contribute to code reviews, and collaborate with teams to design and implement solutions. Mid-level engineers are expected to write clean, efficient code, troubleshoot issues, and improve system performance. They may also mentor junior developers and participate in architectural discussions. Typically, they have strong problem-solving skills and proficiency in programming languages relevant to their role.

What typical responsibilities can I expect as a mid level software engineer?

As a Mid Level Software Engineer, you will be involved in designing, coding, testing, and maintaining software applications, often working on both new and existing projects. You’ll collaborate with other engineers, product managers, and QA teams to deliver features that meet business requirements, while also participating in code reviews and contributing to architectural decisions. Your responsibilities may also include troubleshooting bugs, refining development processes, and occasionally mentoring junior engineers. This role typically offers a blend of technical challenge, teamwork, and opportunities for continued skill development.

What are the key skills and qualifications needed to thrive in the mid level software engineer position, and why are they important?

To thrive as a Mid Level Software Engineer, you need a solid understanding of software development principles, programming languages such as Java, Python, or C#, and a bachelor’s degree in computer science or a related field. Experience with version control systems like Git, familiarity with agile methodologies, and sometimes certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are advantageous. Strong problem-solving skills, teamwork, and effective communication are standout soft skills in this position. These combined skills enable engineers to deliver high-quality code, collaborate efficiently within development teams, and adapt to evolving project requirements.

Is 25 too late to become a mid level software engineer?

Age is not a strict barrier to becoming a mid level software engineer; many professionals transition into software development in their mid-20s or later. Success depends on acquiring relevant skills, such as programming languages and experience with development tools, through self-study, coding bootcamps, or formal education. Employers value skills and experience over age, so with dedication, starting at 25 is entirely feasible.

What does a mid level software engineer earn?

A mid-level software engineer typically earns between $80,000 and $120,000 annually, depending on location, industry, and experience. They often have 2-5 years of experience and may work with programming languages like Java, Python, or C++, using tools such as Git and Agile methodologies.

What are the most commonly searched types of Software Engineer jobs in Ballwin, MO?

The most popular types of Software Engineer jobs in Ballwin, MO are:

What are popular job titles related to Mid Level Software Engineer jobs in Ballwin, MO?

For Mid Level Software Engineer jobs in Ballwin, MO, the most frequently searched job titles are:

What job categories do people searching Mid Level Software Engineer jobs in Ballwin, MO look for?

The top searched job categories for Mid Level Software Engineer jobs in Ballwin, MO are:

What cities near Ballwin, MO are hiring for Mid Level Software Engineer jobs?

Cities near Ballwin, MO with the most Mid Level Software Engineer job openings:

Infographic showing various Mid Level Software Engineer job openings in Ballwin, MO as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $143,455 per year, or $69 per hour.

Mid Software Engineer (SFA) with Security Clearance

Kentro

Saint Louis, MO • On-site

Other

Medical, Retirement, PTO

Re-posted 4 days ago


Job description

Overview Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. By joining our supportive community, you will find that Kentro is dedicated to your personal and professional development. Together, we can drive meaningful change, spark innovation, and achieve extraordinary milestones. Kentro is hiring for a cleared, mid-level Software Engineer to support a government client. Location: Onsite, Saint Louis, MO Responsibilities * Research, design, and develop computer and network software or specialized utility programs. * Analyze user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis. * Update software or enhance existing software capabilities. * May work with computer hardware engineers to integrate hardware and software systems and develop specifications and performance requirements. * May maintain databases within an application area, working individually or coordinating database development as part of a team. Qualifications * 5-7 years of relevant experience to include, but not limited to: * Proficiency in at least one major language (Python, Java, C#, Javascript) * Experience translating requirements into technical solutions * Experience in research, design, and development of software * Experience with testing, deployment, and maintenance * Experience developing system specifications and performance requirements * Experience with database design and maintenance * Experience in code reviews * Understanding of system integration (hardware/software interaction) Clearance Requirement: * Active TS/SCI clearance with willingness to take CI Polygraph * Must be a US Citizen Benefits The Company We believe in generating success collaboratively, enabling long-term mission success, and building trust for the next challenge. With you as our partner, let's solve challenges, think innovatively, and maximize impact. As a valued member of our team, you have the unique opportunity to work in a diverse range of technology and business career paths, all while supporting our nation and delivering innovative technology solutions. We are a close community of experts that pride ourselves on creating an environment defined by teamwork, dedication, and excellence. We hold three ISO certifications (27001:2013, 20000-1:2011, 9001:2015), two CMMI ML 3 ratings (DEV and SVC) and CMMC Level 2 Certification. Industry Recognition Growth | Inc 5000's Fastest Growing Private Companies, DC Metro List Fastest Growing; Washington Business Journal: Fastest Growing Companies, Top Performing Small Technology Companies in Greater D.C. Culture | Northern Virginia Technology Council Tech 100 Honoree; Virginia Best Place to Work; Washington Business Journal: Best Places to Work, Corporate Diversity Index Winner - Mid-Size Companies, Companies Owned by People of Color; Department of Labor's HireVets for our work helping veterans transition; SECAF Award of Excellence finalist; Victory Military Friendly Brand; Virginia Values Veterans (V3); Cystic Fibrosis Foundation Corporate Breath Award Benefits We offer competitive benefits package including paid time off, healthcare benefits, supplemental benefits, 401k including an employer match, discount perks, rewards, and more. We invest in our employees - Every employee is eligible for education reimbursement for certifications, degrees, or professional development. Reimbursement amounts may fluctuate due to IRS limitations. We want you to grow as an expert and a leader and offer flexibility for you to take a course, complete a certification, or other professional growth and networking. We are committed to supporting your curiosity and sustaining a culture that prioritizes commitment to continuous professional development. We work hard; we play hard. Kentro is committed to incorporating fun into every day. We dedicate funds for activities - virtual and in-person - e.g., we host happy hours, holiday events, fitness & wellness events, and annual celebrations. In alignment with our commitment to our communities, we also host and attend charity galas/events. We believe in appreciating your commitment and building a positive workspace for you to be creative, innovative, and happy. Commitment Equal Opportunity Employment & VEVRAA Kentro is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state or local law. Kentro is strongly committed to compliance with VEVRAA and other applicable federal, state, and local laws governing equal employment opportunity. We have developed comprehensive policies and procedures to ensure our hiring practices align with these requirements. As part of our VEVRAA compliance efforts, Kentro has established an equal opportunity plan outlining our commitment to recruiting, hiring, and advancing protected veterans. This plan is regularly reviewed and updated to ensure its effectiveness. We encourage protected veterans to self-identify during the application process. This information is strictly confidential and will only be used for reporting and compliance purposes as required by law. Providing this information is voluntary and will not impact your employment eligibility. Our commitment to equal employment opportunity extends beyond legal compliance. We are dedicated to fostering an inclusive workplace where all employees, including protected veterans, are treated with dignity, respect, and fairness. How to Apply To apply to Kentro Positions- Please click on the job link and then click the blue "Apply" button at the top right of Job Description. Please upload your resume and complete all the application steps. You must fully submit the application for Kentro to consider you for a position. If you need alternative application methods, please email and request assistance. Accommodations To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable Accommodations may be made to enable qualified individuals with disabilities to perform the essential functions. If you need to discuss reasonable accommodations, please email . #LI-SB2 #kentro