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Associate Software Engineer Jobs in O Fallon, IL

BAI

Advanced Software Engineer

Saint Louis, MO · On-site +1

$85K - $115K/yr

Advanced Software Engineer Chicago, IL Reports To: Director, Product Development & Operations BAI and RMA have come together as ProSight Financial Association, a leading industry organization whose ...

bioMerieux

Lead Software Engineer

Hazelwood, MO

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

bioMérieux

Lead Software Engineer

Hazelwood, MO · On-site

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

Biomerieux

Lead Software Engineer

Hazelwood, MO · On-site

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

bioMerieux Inc.

Lead Software Engineer

Hazelwood, MO · On-site

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

Know Ink, LLC

Software Engineer III

Saint Louis, MO · On-site

Net developer to build software using languages and technologies of the .NET framework. You will need to be able to create applications from scratch, modify existing application code for fixes or ...

Merck Group

Staff Software Engineer

Saint Louis, MO · On-site

$110K - $185K/yr

This role is software engineering first, with a strong emphasis on designing reliable systems that ingest, process, and serve data to power modern applications and AI-driven solutions. You will work ...

Booz Allen Hamilton

Software Engineer, Mid

Saint Louis, MO · On-site

$69K - $158K/yr

Software Engineer, Mid The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not ...

Boeing

Experienced Software Engineer

Hazelwood, MO

$126K - $171K/yr

Experienced Software Engineer Company: The Boeing Company The Boeing Company is looking for an Experienced Software Engineer for an Air Dominance Proprietary program located in Hazelwood, MO . This ...

CYNET SYSTEMS

Software Engineer

Saint Louis, MO · On-site

$60 - $65/hr

Pay Range: $60.00hr - $65.00hr Requirement/Must Have: * 8-10+ years of hands-on software engineering experience. * Recent experience in Java, Kotlin, Oracle, Postgres, Data handling, Spring, Spring ...

New

Boeing

Experienced Software Engineer

Hazelwood, MO · On-site

$126K - $171K/yr

Experienced Software Engineer Company: The Boeing Company The Boeing Company is looking for an Experienced Software Engineer for an Air Dominance Proprietary program located in Hazelwood, MO . This ...

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All JobsAssociate Software Engineer JobsAssociate Software Engineer Jobs in O'Fallon, IL

Associate Software Engineer information

See O Fallon, IL salary details

$18

$39

$91

How much do associate software engineer jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for associate software engineer in O'Fallon, IL is $39.39, according to ZipRecruiter salary data. Most workers in this role earn between $28.46 and $41.73 per hour, depending on experience, location, and employer.

What is an associate software engineer?

An associate software engineer works with a team of engineering professionals and developers to improve existing software or design new applications. As an associate software engineer, your job duties include coding software, coordinating with hardware engineers to ensure that different types of technology can run the software, and helping the QA team to test software before release. Typical qualifications for the career include a bachelor’s degree in computer science, engineering, or a related field and relevant technical experience with software applications. You also need excellent communication, coding, and analytical problem-solving skills, as well as the ability to work as part of a team.

What are some common challenges faced by associate software engineers when transitioning from academic projects to real-world development teams?

Associate Software Engineers often encounter challenges such as adapting to larger, more complex codebases and learning to work within established development workflows. Unlike academic projects, real-world development involves collaboration with cross-functional teams, adhering to coding standards, and following agile processes. Additionally, balancing learning new technologies with delivering features on tight deadlines can be demanding. However, support from mentors and structured onboarding programs usually helps smooth this transition.

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

To thrive as an Associate Software Engineer, you need a solid understanding of programming fundamentals, algorithms, and data structures, typically supported by a degree in computer science or a related field. Familiarity with programming languages like Java, Python, or C++, as well as experience using version control systems like Git, are commonly required. Strong problem-solving skills, teamwork, and effective communication set standout candidates apart. These skills and qualities are crucial for delivering reliable software solutions, collaborating within development teams, and adapting to rapidly evolving technologies.
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What are the most commonly searched types of Software Engineer jobs in O'Fallon, IL?

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Associate Software Engineer jobs near you
Infographic showing various Associate Software Engineer job openings in O'Fallon, IL as of August 2026, with employment types broken down into 1% As Needed, 67% Full Time, 30% Part Time, 1% Temporary, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $81,935 per year, or $39.4 per hour.

Advanced Software Engineer

BAI

Saint Louis, MO • On-site, Remote

$85K - $115K/yr

Full-time

Retirement, PTO

Re-posted 27 days ago

Job description

Advanced Software Engineer
Chicago, IL
Reports To: Director, Product Development & Operations
BAI and RMA have come together as ProSight Financial Association, a leading industry organization whose purpose is to empower financial services leaders to strengthen and advance our industry. The strategic combination brings together RMA's expertise in serving the commercial banking and risk management functions and BAI's knowledge in serving the retail banking and regulatory compliance functions. It's a complementary union of two non-profit organizations that have always had their members' and customers' best interests in mind. Our industry-leading offerings include peer sharing events, thought leadership, learning and development, and decision support solutions. Our work creates positive ripple effects throughout financial services organizations and ultimately helps consumers, businesses and communities thrive.
We are seeking an experienced and results-driven Advanced Software Engineer with strong .NET/C# and SQL skills and hands-on experience developing Microsoft Azure cloud solutions. In this role, you'll be instrumental in designing, developing, deploying, and maintaining secure, reliable, and scalable software solutions that deliver market-leading value to our customers.
What You'll Do:
  • Design, implement, and maintain secure, scalable, and reliable software systems.
  • Collaborate with product managers, architects, designers, and engineers to translate business requirements into secure, scalable, reliable, and effective customer-focused software solutions.
  • Deploy, manage, and monitor applications on Microsoft Azure, following best practices for cloud architecture.
  • Write and maintain clean, efficient, and testable code using modern engineering best practices such as CI/CD and automated testing.
  • Participate in code reviews, technical guidance, and knowledge sharing.
  • Participate in efforts to remediate and resolve security, performance, reliability, and scalability issues, including root cause analysis and preventive measures.
  • Contribute to architectural planning and technology roadmaps.
  • Stay current with the latest security threats and secure engineering practices to ensure that all application components remain protected
What We're Looking For:
  • 3-5+ years of professional experience in software engineering.
  • Strong experience with Microsoft Azure, including services like Azure Functions, Azure App Services, and Azure DevOps.
  • Proficiency in C# and other .NET-based languages, with experience maintaining both legacy and modern applications.
  • Solid understanding of front-end technologies including HTML, CSS, JavaScript, and React.JS, and legacy Angular JS.
  • Familiarity with containerization technologies such as Docker and orchestration tools like Kubernetes.
  • Solid understanding of RESTful APIs and asynchronous programming patterns.
  • Strong experience with SQL databases (e.g., Microsoft SQL Server, MySQL, PostgreSQL), including schema design and query optimization.
  • Self-starter, comfortable with ambiguity, ability to initiate and reliably drive projects forward with minimal oversight
  • Excellent problem-solving skills and the ability to work effectively within cross-functional teams.
  • Ability to communicate effectively with both technical and non-technical stakeholders
  • Ability to work in the Chicago office periodically is required
Preferred Qualifications:
  • Familiarity with Infrastructure-as-Code tools (e.g., Terraform, ARM templates).
  • Familiarity with microservice development, design patterns, separation of concerns, and maintainable architecture
  • Background in DevOps practices and CI/CD pipeline implementation.
  • Experience in Agile/Scrum development environments.
  • Experience with e-learning/online learning, policy management, and/or governance risk and compliance a plus
  • Familiarity with financial services/banking industry a plus
The salary range for this position is $85,000 - $115,000. Compensation offered will be determined by factors such as skills, experience, education, job-related knowledge and market considerations. ProSight offers an outstanding benefits package with comprehensive insurance coverage, a 401(k) plan with company match, flexible paid time off, hybrid and remote working models, tuition assistance and the ability to work in a collaborative, team-oriented environment.
To learn more about our company please visitwww.prosightfa.org,www.bai.org, andwww.rmahq.org
Employment Type: Full-Time

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