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Software Engineer Application Development Jobs in Missouri

Walmart

(USA) Senior, Software Engineer

Cassville, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer, you will design, prototype, build, deploy, and improve next ... Contribute to shaping practices for AI-native application development. Contribute to knowledge ...

Stellar IT Group

Software Engineer

Saint Louis, MO · On-site

NET (C#, ASP.NET Core) for backend development. * Hands-on experience with AWS cloud services and cloud-native application design. * Solid understanding of software engineering principles, design ...

Walmart

(USA) Senior, Software Engineer

Noel, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer, you will design, prototype, build, deploy, and improve next ... Contribute to shaping practices for AI-native application development. Contribute to knowledge ...

Walmart

(USA) Principal, Software Engineer

Cassville, MO · On-site

$110K - $220K/yr

As a Principal Software Engineer, you will lead the design, prototype, build, deploy, and improve ... Mentor, lead the team, establish best practices for AI-native application development. Lead the ...

Walmart

(USA) Principal, Software Engineer

Noel, MO · On-site

$110K - $220K/yr

As a Principal Software Engineer, you will lead the design, prototype, build, deploy, and improve ... Mentor, lead the team, establish best practices for AI-native application development. Lead the ...

Walmart

(USA) Senior, Software Engineer

Anderson, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer, you will design, prototype, build, deploy, and improve next ... Contribute to shaping practices for AI-native application development. Contribute to knowledge ...

Walmart

(USA) Principal, Software Engineer

Anderson, MO · On-site

$110K - $220K/yr

As a Principal Software Engineer, you will lead the design, prototype, build, deploy, and improve ... Mentor, lead the team, establish best practices for AI-native application development. Lead the ...

MasterCard

Software Engineer II

O Fallon, MO · On-site +1

$91K - $124K/yr

Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company ... Exposure to cloud technologies, microservices architectures, and modern application development ...

Eastman

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

... application development to grow its leading positions in attractive end markets such as ... Position Description We are seeking a Senior Software Engineer who is passionate about building ...

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Software Engineer Application Development information

What are software engineers in application development?

Software engineers in application development are professionals who design, build, test, and maintain software applications for computers, mobile devices, or web platforms. They work with programming languages, frameworks, and tools to create functional and user-friendly applications that meet specific business or consumer needs. Application development engineers often collaborate with other team members, such as designers, project managers, and quality assurance testers, throughout the software development lifecycle. Their work may involve troubleshooting bugs, optimizing performance, and ensuring the application's security and scalability.

How does a Software Engineer in Application Development typically collaborate with product managers and designers during a project?

Software Engineers in Application Development frequently work closely with product managers and designers to ensure that the technical implementation aligns with user needs and business goals. Collaboration usually involves participating in planning meetings, providing technical feedback on feasibility, and iterating on prototypes or design mockups. Effective communication is essential, as engineers may need to clarify requirements, suggest alternative solutions, or identify potential technical constraints early in the development process. This collaborative approach helps deliver high-quality, user-friendly applications and fosters a dynamic team environment.

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

To thrive as a Software Engineer in Application Development, you need strong programming skills (such as Java, Python, or JavaScript), a solid understanding of software design principles, and typically a degree in computer science or a related field. Experience with version control systems like Git, familiarity with integrated development environments (IDEs), and knowledge of frameworks (e.g., React, Spring) are commonly expected, and certifications such as AWS Certified Developer can be beneficial. Excellent problem-solving abilities, teamwork, and clear communication are important soft skills that help you excel in collaborative and fast-paced environments. These competencies are crucial for building reliable, efficient applications that meet business needs and adapt to evolving technological demands.
What are popular job titles related to Software Engineer Application Development jobs in Missouri? For Software Engineer Application Development jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Software Engineer Application Development jobs in Missouri look for? The top searched job categories for Software Engineer Application Development jobs in Missouri are:
Software Engineer Application Development jobs near you
Exploitation Specialist/GDAT Software Engineer

Exploitation Specialist/GDAT Software Engineer

Leidos

Saint Louis, MO • On-site

$73K - $132K/yr

Full-time

Re-posted 9 days ago

Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 149 frontline employees who took The Breakroom Quiz

56th of 451 rated business services

Job description

Leidos has an exciting opportunity for an Exploitation Specialist/GDAT Software Engineer to join our team in St. Louis, MO.
This work requires skills and knowledge to modernize applications to facilitate production operations for customer.
These resources will not be making major performance enhancements on GDATM Tool. Instead, they shall provide the necessary skills and experience to support customer in completing minor improvements in software functionality necessary to support routine maintenance.
Primary Responsibilities
Support end-users and ensure they possess the necessary capabilities to fulfill mission-critical objectives. These objectives are multifaceted, as the GDAT-M team not only supports customer goals but also those of ASG collaborators, other entities, and co-producer contractors. These roles involve sustaining and deploying the Geospatial Data Analysis Tool-Modernized (GDAT-M) application, developed by the customer. GDAT-M serves the customer, ASG collaborators, and co-producer contractors. It is a leading desktop application responsible for geo-positioning and validation of national products. The GDAT-M team is focused on delivering GEOINT content from relevant sensors. The goal is to modernize tools, enabling customers to transition from MS-Access to PostgreSQL databases, following a bi-annual release cycle.
  • Assist Government GDAT Team in implementing minor GDAT application enhancements.
  • Facilitate efficient testing processes.
  • Oversee security and vulnerability testing/documentation.
  • Accelerate modernization for NSG/ASG customers.

Basic Qualifications
  • BA degree with 4-8 years of relevant experience or Master's degree with 2-6 years of relevant experience.
  • 1-3 years of User Interface Design experience.
  • Proven expertise in Web Data Hosting.
  • 1-3 years of experience as .NET Visual Basic programmers (application engineers).
  • 1-3 years of experience in Windows Desktop application development.
  • 1-3 years of Software Test Engineering experience.
  • Active TS/SCI clearance with eligibility for CI Poly approval.

Preferred Qualifications
  • Familiarity with Amazon CLI and Amazon Cloud Access Portal.
  • Experience in creating/utilizing small loading scripts.
  • Active TS/SCI CI Poly clearance.

At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."
If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in.
Original Posting:
January 13, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $73,450.00 - $132,775.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

What Leidos employees say

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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