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Software Developer Contractor Jobs in Missouri (NOW HIRING)

Jobgether

$42 - $55.50/hr

We are seeking an experienced software engineer to design and build scalable, high-performance ... Monthly contractor payments through secure payment processes. * Opportunity to collaborate with a ...

Boeing

Software Engineering Manager

Saint Charles, MO · On-site

Software Engineering Manager Company: The Boeing Company The Boeing Company is looking for a ... Department of Defense (DoD) contracted programs Conflict of Interest: Successful candidates for ...

Boeing

Software Engineering Manager

Saint Charles, MO · On-site

Software Engineering Manager Company: The Boeing Company The Boeing Company is looking for a ... Department of Defense (DoD) contracted programs Conflict of Interest: Successful candidates for ...

Jobgether

The ideal candidate is an experienced AI or software engineering professional with strong technical ... Flexible contractor opportunity that can be managed alongside other professional commitments.

Sam's Club

Software Engineer III

Cassville, MO · On-site

$90K - $180K/yr

This is a replacement position for an existing contractor on the Fraud Gateway team. This position ... As a Software Engineer III for Walmart Global Tech, you'll have the opportunity to: * Develop ...

Sam's Club

Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

This is a replacement position for an existing contractor on the Fraud Gateway team. This position ... As a Software Engineer III for Walmart Global Tech, you'll have the opportunity to: * Develop ...

Sam's Club

Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

This is a replacement position for an existing contractor on the Fraud Gateway team. This position ... As a Software Engineer III for Walmart Global Tech, you'll have the opportunity to: * Develop ...

FCS Financial

Software Engineer

Jefferson City, MO · On-site

Works closely with third party vendors and contractors configure platforms to best meet the needs ... Collaborates with our Infrastructure and DevOps teams to create deployment pipelines for our ...

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All JobsSoftware Developer Contractor JobsSoftware Developer Contractor Jobs in Missouri

Software Developer Contractor information

See Missouri salary details

$45K

$104.9K

$155.7K

How much do software developer contractor jobs pay per year?

As of Jul 28, 2026, the average yearly pay for software developer contractor in Missouri is $104,911.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,400.00 and $121,900.00 per year, depending on experience, location, and employer.

What are Software Developer Contractors?

Software Developer Contractors are professionals hired on a temporary or project basis to design, develop, and maintain software applications for clients or companies. Unlike full-time employees, contractors typically work under a contract for a specific period or for the duration of a project. They may work independently, through agencies, or as part of a consulting firm, and often have specialized skills to meet specific project needs. This arrangement offers flexibility for both the developer and the employer, allowing organizations to scale their technical resources as needed.

What is the difference between Software Developer Contractor vs Software Developer Employee?

AspectSoftware Developer ContractorSoftware Developer Employee
CredentialsTypically requires a relevant degree and technical skills; certifications optionalSame as contractor, often with additional company-specific training
Work EnvironmentContract-based, often remote or on-site for short-term projectsFull-time, usually on-site or hybrid
Employer & Industry UsageCommon in tech firms, startups, consulting agenciesStandard in large corporations, tech companies, and organizations

Software Developer Contractors work on short-term projects, often remotely, with flexible arrangements, while Software Developer Employees are full-time staff with ongoing responsibilities and benefits. Both roles require similar skills and credentials but differ mainly in employment status and work setup.

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

To excel as a Software Developer Contractor, you need strong programming abilities, problem-solving skills, and a solid understanding of software development methodologies, often backed by a relevant degree or equivalent experience. Familiarity with version control systems (like Git), cloud platforms, and proficiency in languages such as Python, Java, or JavaScript are commonly required, along with certifications like AWS Certified Developer or Microsoft Certified: Azure Developer. Excellent communication, time management, and adaptability set top contractors apart, enabling them to quickly integrate with diverse teams and projects. These skills are essential for delivering high-quality, timely solutions in dynamic and varied client environments.

What are some common challenges software developer contractors face when integrating with existing teams?

Software developer contractors often join projects mid-stream and must quickly adapt to unfamiliar codebases, workflows, and team dynamics. A common challenge is building rapport with full-time staff and understanding company-specific coding standards or tools. Contractors are expected to be proactive in communicating, asking questions, and clarifying requirements to ensure smooth collaboration. Being flexible and open to feedback helps contractors deliver quality work while navigating these initial hurdles.
Software Developer Contractor jobs near you
Infographic showing various Software Developer Contractor job openings in Missouri as of July 2026, with employment types broken down into 1% Locum Tenens, 75% Full Time, 10% Part Time, and 14% Contract. Highlights an 89% Physical, 1% Hybrid, and 10% Remote job distribution, with an average salary of $104,911 per year, or $50.4 per hour.
Senior Software Developer I - Contractor

Senior Software Developer I - Contractor

Apex Systems

Saint Louis, MO • On-site

$51.75 - $68.25/hr

Other

Medical, Dental, Vision, Life, Retirement

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job#: 3040919
Job Description:
Sr. Software Developer - AWS/Java/Angular
Quick Overview
  • Location: Hybrid (2-3 days onsite preferred) or remote for strong candidates
  • Duration: 12+ month contract (likely extension)
  • Interview Process: In-person final interview required
  • Work Authorization: (role supports a secure environment)
  • Compensation: Competitive hourly rate (aligned with senior-level AWS engineering expertise)
  • Tech Stack: AWS, Java (Spring Boot), Angular, TypeScript, Microservices

We're seeking a Senior Software Engineer to support the ongoing modernization of a complex, cloud-based enterprise platform. This role is ideal for someone who enjoys working on large-scale systems-balancing new development with stabilization of existing applications.
You'll collaborate closely with architecture and engineering teams to implement scalable solutions, improve system design, and help drive consistency across services in a distributed environment.
What You'll Be Doing
  • Design and develop microservices using Java (Spring Boot) and TypeScript
  • Build and support RESTful APIs and event-driven integrations
  • Contribute to front-end updates, including Angular upgrades and modular UI architecture
  • Develop solutions in AWS using containerization, serverless compute, and managed data services
  • Identify and reduce technical debt, including framework and dependency upgrades
  • Implement automated testing to improve reliability and release confidence
  • Partner with DevOps, security, and product teams to deliver high-quality solutions

Required Qualifications
  • 5+ years of software engineering experience
  • Strong hands-on experience with AWS (containers, serverless, or infrastructure as code)
  • Expertise in Java/Spring Boot and API development
  • Experience with Angular (modern versions)
  • Background in microservices architecture and system modernization
  • Familiarity with logging, monitoring, and observability tools
  • Strong collaboration and communication skills
Engineering Environment
  • Modern microservices architecture with ongoing legacy modernization
  • Cloud-native development in AWS
  • Strong emphasis on scalability, observability, and maintainability
  • Collaborative, fast-moving engineering teams
Nice to Have
  • Experience with micro-frontend architectures
  • Exposure to developer productivity or platform tools
  • Strong experience with test automation frameworks
What Makes This Role Interesting
  • Long-term modernization initiative (not a short-term patch project)
  • Opportunity to influence architecture and engineering direction
  • Mix of greenfield + legacy transformation work
  • High-impact system with real-world scale

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

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