Software Developer
Saint Louis, MO · On-site
NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can ...
Saint Louis, MO · On-site
NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can ...
Saint Louis, MO · On-site
NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can ...
Saint Louis, MO · On-site
NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can ...
Saint Louis, MO · On-site
NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can ...
Saint Louis, MO · On-site
GIS Software Developer, St. Louis, MO Qualified GIS Software Developer candidates must be able to supply proof of US Citizenship in order to be authorized to perform work or have access to ...
Saint Louis, MO · On-site
GIS Software Developer, St. Louis, MO Qualified GIS Software Developer candidates must be able to supply proof of US Citizenship in order to be authorized to perform work or have access to ...
Saint Louis, MO · On-site
$150K - $160K/yr
Full-Time/Part-Time Full-Time Description RiVidium Inc. is seeking a Full Stack Software Developer to develop, create, maintain, and write/code new (or modifies existing) computer applications ...
Saint Louis, MO · On-site
$150K - $160K/yr
Full-Time/Part-Time Full-Time Description RiVidium Inc. is seeking a Full Stack Software Developer to develop, create, maintain, and write/code new (or modifies existing) computer applications ...
Software Development/ Engineering Main location: United States, Missouri, St. Louis Position ID:J0826-1617 Employment Type: Graduate Position Description: Are you driven by technology's ability to ...
Software Development/ Engineering Main location: United States, Missouri, St. Louis Position ID:J0826-1617 Employment Type: Graduate Position Description: Are you driven by technology's ability to ...
Saint Louis, MO · On-site
Lead GIS Software Developer, St. Louis, MO The qualified Lead GIS Software Developer candidates must be able to supply proof of US Citizenship in order to be authorized to perform work or have access ...
Saint Louis, MO · On-site
Lead GIS Software Developer, St. Louis, MO The qualified Lead GIS Software Developer candidates must be able to supply proof of US Citizenship in order to be authorized to perform work or have access ...
Saint Louis, MO · On-site +1
$112K - $141K/yr
The Lead IT Software Developer is a well-rounded expert on the team in Front-End frameworks (Aurelia, Angular and such) and Back-End (Microsoft SQL and C#/.NET). He / She is the go-to person for any ...
Saint Louis, MO · On-site +1
$112K - $141K/yr
The Lead IT Software Developer is a well-rounded expert on the team in Front-End frameworks (Aurelia, Angular and such) and Back-End (Microsoft SQL and C#/.NET). He / She is the go-to person for any ...
Saint Louis, MO · On-site
$60K - $65K/yr
The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...
Saint Louis, MO · On-site
$60K - $65K/yr
The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...
Saint Louis, MO · On-site
$60K - $65K/yr
The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...
Saint Louis, MO · On-site
$60K - $65K/yr
The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...
Saint Louis, MO · On-site
$60K - $65K/yr
The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...
Saint Louis, MO · On-site
$60K - $65K/yr
The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into ...
$53 - $70/hr
We are seeking a Software Engineer to support unique systems solutions for the National Geospatial-Intelligence Agency (NGA). We are seeking a Software Engineer to support our client's intelligence ...
Quick apply
$53 - $70/hr
We are seeking a Software Engineer to support unique systems solutions for the National Geospatial-Intelligence Agency (NGA). We are seeking a Software Engineer to support our client's intelligence ...
Saint Louis, MO · On-site +1
$53 - $70/hr
Senior Software Developer(s) to design custom software solutions based on client requirements. This position will have a lead role in the development and enhancements of a large data management ...
Saint Louis, MO · On-site +1
$53 - $70/hr
Senior Software Developer(s) to design custom software solutions based on client requirements. This position will have a lead role in the development and enhancements of a large data management ...
Saint Louis, MO · On-site
$57K - $104K/yr
The Leidos Maritime ASET team has an opening for a junior (entry level) software developer to work on the design and coding with software solutions for 6 month - temporary to permanent hire position.
Saint Louis, MO · On-site
$57K - $104K/yr
The Leidos Maritime ASET team has an opening for a junior (entry level) software developer to work on the design and coding with software solutions for 6 month - temporary to permanent hire position.
$57K - $104K/yr
The Leidos Maritime ASET team has an opening for a junior (entry level) software developer to work on the design and coding with software solutions for 6 month - temporary to permanent hire position.
$57K - $104K/yr
The Leidos Maritime ASET team has an opening for a junior (entry level) software developer to work on the design and coding with software solutions for 6 month - temporary to permanent hire position.
Saint Louis, MO · On-site
$100 - $125/hr
Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of a mission-critical enterprise application in AWS for the U.S. Treasury. The role requires full-stack ...
Quick apply
Saint Louis, MO · On-site
$100 - $125/hr
Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of a mission-critical enterprise application in AWS for the U.S. Treasury. The role requires full-stack ...
Saint Louis, MO · On-site
Freedom Technology Solutions Group is seeking a Software Developer to add to our Platform Mission Applications Team. The Platform Mission Applications team members are responsible for integrating ...
Saint Louis, MO · On-site
Freedom Technology Solutions Group is seeking a Software Developer to add to our Platform Mission Applications Team. The Platform Mission Applications team members are responsible for integrating ...
Saint Louis, MO · On-site
Information Technology Entry-Level Software Developer (Python Required) Location: St. Louis, MO Clearance: HSPD-12 / ability to obtain TS/SCI w/ Poly Required Certifications: DD8140 compliant ...
Saint Louis, MO · On-site
Information Technology Entry-Level Software Developer (Python Required) Location: St. Louis, MO Clearance: HSPD-12 / ability to obtain TS/SCI w/ Poly Required Certifications: DD8140 compliant ...
As a Full Stack Software Engineer at INflow Federal, you will be instrumental in our mission to deliver state-of-the-art technological solutions to our DoD clients, playing a crucial role in the ...
As a Full Stack Software Engineer at INflow Federal, you will be instrumental in our mission to deliver state-of-the-art technological solutions to our DoD clients, playing a crucial role in the ...
As a Full Stack Software Engineer at INflow Federal, you will be instrumental in our mission to deliver state-of-the-art technological solutions to our DoD clients, playing a crucial role in the ...
As a Full Stack Software Engineer at INflow Federal, you will be instrumental in our mission to deliver state-of-the-art technological solutions to our DoD clients, playing a crucial role in the ...
Saint Louis, MO · On-site
$53 - $70/hr
Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...
Quick apply
Saint Louis, MO · On-site
$53 - $70/hr
Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...
$40.7K - $49.8K
1% of jobs
$49.8K - $58.9K
4% of jobs
$58.9K - $68.1K
9% of jobs
$76.5K is the 25th percentile. Wages below this are outliers.
$68.1K - $77.2K
12% of jobs
$77.2K - $86.3K
15% of jobs
The median wage is $92.2K / yr.
$86.3K - $95.4K
14% of jobs
$95.4K - $104.5K
15% of jobs
$108.1K is the 75th percentile. Wages above this are outliers.
$104.5K - $113.6K
13% of jobs
$113.6K - $122.7K
9% of jobs
$122.7K - $131.8K
5% of jobs
$131.8K - $140.9K
3% of jobs
$40.7K
$94.9K
$140.9K
Software developers design and create computer software programs and systems for their employer or client. Their job is to apply the principles of engineering, analytics, and computer science toward the development and testing of all kinds of software and applications. On a day-to-day basis, a software developer helps create and test software from start to finish. They discuss and analyze user requests and requirements, then research and brainstorm practical solutions to meet those needs, and determine the best course of action to create the application. As a software developer, you may develop an entirely new program or improve an existing one; you are responsible for a program’s overall framework and must design precise workflow charts that explain to programmers what code is needed for different aspects of the program.
| Aspect | Software Developer | Software Engineer |
|---|---|---|
| Credentials | Bachelor's degree in CS or related field; coding certifications | Bachelor's or higher in CS or Software Engineering; certifications may vary |
| Work Environment | Develops, tests, and maintains software applications | Designs and develops software systems; often involved in architecture |
| Industry Usage | Commonly used in tech companies, startups, and IT firms | Used interchangeably with Software Developer in many organizations |
While the roles often overlap, Software Developers focus on coding and building applications, whereas Software Engineers typically work on designing and architecting complex systems. Both roles require similar credentials and are integral to software creation, but their scope and responsibilities can differ based on project size and company structure.
The most popular types of Software Developer jobs in Festus, MO are:
Cities near Festus, MO with the most Software Developer job openings:

Saint Louis, MO • On-site
Full-time
Medical, Retirement, PTO
Re-posted 9 days ago
C# .NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can thrive in a fast-paced, customer-driven environment. We're an established but small company with an aggressive growth plan
Our culture is dynamic and we are looking for candidates with an entrepreneurial attitude. We offer competitive salary and a benefits package that includes 100% company-paid health insurance, simple IRA with company match, and paid vacation, holiday and sick time. Our team collaborates on everything from user interface design to sales support.
So, the developer who joins our team will have: The mental agility to rapidly shift between different roles and perspectives - programmer, architect, customer. The ability to constructively contribute to a collaborative work environment. The intellectual confidence to analyze and debate ideas and designs.
The ability to assess and balance business drivers and customer needs. The ideal candidate will have a solid educational background and ideally 2+ years of post-college software development experience building robust, scalable, web-based software solutions. This individual does not shy away from challenges and enjoys working in a collaborative, fast paced, team oriented environment.
What you will be doing - Maintaining existing web applications and services - Designing and delivering robust, web applications and services to support our business - Collaborating with the customer support team to resolve customer reported issues - Assisting with infrastructure maintenance and support - Utilizing Agile software development practices - Iteratively and incrementally improving products and processes What we are looking for - Preferred BS/MS in Computer Science or related degree - 2+ years programming experience building enterprise web solutions - 1+ years of experience with Microsoft C#, .NET, MVC, SQL Server and agile practices - Experience developing web based software services and custom web server controls - Working knowledge of version control preferably with git The technologies you'll be working with Visual Studio 2017, C#, .NET Framework, ASP.NET MVC 3 or 4, ASP.NET, JavaScript, HTML, CSS, NHibernate, MS SQL Server, WCF, XML/XSL, SOAP/REST, JSON, AJAX, Web Services, Fluent Migrator, MongoDB, RabbitMQ, PowerMTA, Dependency Injection/Inversion of Control (Unity), NUnit, Ruby, AWS, Rackspace. If you are a talented Software Developer / Software Engineer with a passion for problem solving, please apply today. (Principals only, please)
Sourced by ZipRecruiter
Marketing
11 - 50 Employees
Saint Louis, MO, US
2001