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Independent Contractor Software Developer Jobs in Missouri

Build-A-Bear Workshop

Developer

Saint Louis, MO · On-site

In this hands-on, individual contributor role, you'll drive the software development lifecycle-from ... Strong independence & responsibility for own work • Meticulous attention to detail • Values ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Role As a Senior Software Engineer, you will independently execute key elements of software engineering projects and processes by applying strong technical knowledge, engineering best practices, and ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Role As a Senior Software Engineer, you will independently execute key elements of software engineering projects and processes by applying strong technical knowledge, engineering best practices, and ...

FlightSafety

Software Engineer

Hazelwood, MO · On-site

... and independent territories. FlightSafety operates the world's largest fleet of advanced full ... The position collaborates closely with software engineers, artists, designers, and simulation ...

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All JobsIndependent Contractor Software Developer JobsIndependent Contractor Software Developer Jobs in Missouri

Independent Contractor Software Developer information

See Missouri salary details

$45K

$104.9K

$155.7K

How much do independent contractor software developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for independent contractor software developer 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 is an independent contractor software developer?

An Independent Contractor Software Developer is a professional who designs, develops, and maintains software applications while working independently rather than as a traditional employee. They are typically hired on a contractual basis to complete specific projects or provide specialized expertise for a set duration. Independent contractors manage their own schedules, handle multiple clients, and are responsible for their own taxes and business expenses. This arrangement offers flexibility but also requires strong self-management, business skills, and a clear understanding of project requirements.

How do independent contractor software developers typically manage client communication and project expectations?

As an Independent Contractor Software Developer, clear and consistent client communication is essential to ensure project requirements, timelines, and deliverables are well understood by all parties. Contractors often use project management tools, regular status updates, and well-defined contracts to set expectations from the outset. Proactively addressing questions, setting realistic deadlines, and documenting progress help prevent misunderstandings and foster strong client relationships, which can lead to repeat business and referrals.

What are the key skills and qualifications needed to thrive as an independent contractor software developer, and why are they important?

To thrive as an Independent Contractor Software Developer, you need strong programming skills, a solid understanding of software development principles, and relevant experience or a degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms, and proficiency in popular programming languages, along with certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate, are often beneficial. Excellent communication, time management, and problem-solving abilities set standout contractors apart, enabling effective client interaction and project delivery. These skills and qualities are crucial for producing high-quality software, meeting client expectations, and managing projects independently.

What is the difference between Independent Contractor Software Developer vs Freelance Software Engineer?

AspectIndependent Contractor Software DeveloperFreelance Software Engineer
CredentialsTypically requires relevant coding certifications or degreesOften has similar credentials, but not always mandatory
Work EnvironmentWorks independently, often remotely or on client sitesOperates independently, managing multiple clients or projects
Employer/Industry UsageHired directly by companies or through agencies for specific projectsHired directly by clients or through platforms for project-based work
Search/Comparison IntentOften compared based on project scope, independence, and contractual termsCompared for flexibility, project variety, and client interaction

Both roles involve independent work in software development, requiring similar skills and credentials. The main difference lies in terminology and slight variations in work setup, but they are often used interchangeably in the industry.

Are independent contractor software developers still in high demand?

Independent contractor software developers continue to be in high demand due to ongoing digital transformation and the need for specialized skills in areas like web development, mobile apps, and cloud computing. Many organizations prefer flexible, project-based work, making freelance and contract roles a common employment option in the tech industry.

How much do independent contractor software developers make?

Independent contractor software developers typically earn between $50 and $150 per hour, depending on experience, specialization, and project complexity. Annual income can vary widely, often ranging from $50,000 to over $150,000 for experienced freelancers working on multiple projects or high-demand skills.

What are the most commonly searched types of Software Developer jobs in Missouri?

The most popular types of Software Developer jobs in Missouri are:

What cities in Missouri are hiring for Independent Contractor Software Developer jobs?

Cities in Missouri with the most Independent Contractor Software Developer job openings:

Independent Contractor Software Developer jobs near you

Senior Software Engineer

DIT-MCO International, LLC

Kansas City, MO • On-site

$119K - $157K/yr

Full-time

Posted 26 days ago

Job description

Description:

Senior Software Engineer – Aerospace & Defense Test Systems

Location: Kansas City, MO

Job Type: Full-Time

Industry: Aerospace, Defense, Automated Test Equipment

Citizenship Requirement: U.S. Citizenship Required

Senior Software Engineer – Cutting-Edge Technology


Build Something That Matters

DIT-MCO International has been a trusted leader in wire harness testing and aerospace innovation for more than 75 years. We design and manufacture advanced test equipment for aerospace, defense, and industrial customers worldwide. We're looking for a Senior Software Engineer who enjoys developing software, solving problems, and collaborating to build high-quality, effective software solutions. If you enjoy software development, troubleshooting, automation, and continuous improvement for mission-critical testing systems used in demanding environments, we'd love to meet you.


Why Join DIT-MCO?

Work for a stable, employee-focused company with more than 75 years of success

Be part of a collaborative engineering and manufacturing team

Make a direct impact on production quality, efficiency, and continuous improvement

Work on sophisticated aerospace and electronic manufacturing products

Competitive pay, excellent benefits, and opportunities for growth


About the Role

DIT-MCO International is seeking a Senior Software Engineer to design, develop, and maintain software used in advanced automated test equipment. In this role, you will lead software development efforts from concept through deployment, working closely with cross-functional engineering teams to deliver reliable, high-performance solutions.

This position is ideal for an experienced engineer who enjoys solving complex problems, working at the intersection of software and hardware, and taking ownership of technical outcomes.


What You’ll Do

  • Research, design, and develop computer and network software and specialized utility programs
  • Analyze user and system requirements to create effective software solutions
  • Lead software projects from concept through completion, ensuring quality and performance
  • Oversee software architecture and design for new product development
  • Develop and implement software using Microsoft .NET and Visual Studio (C#)
  • Support and maintain both new and legacy software used in automated test equipment
  • Work with hardware engineers to integrate software and hardware systems
  • Ensure system specifications and performance requirements are clearly understood and met
  • Collaborate with product management, project management, engineering teams, and customers
  • Develop, deploy, and support software as assigned
  • Guide and mentor team members through knowledge sharing and technical leadership
  • Assist with troubleshooting analog and digital hardware as it relates to software systems


Requirements:

Education and Experience

  • Bachelor's degree in a relevant field of engineering, computer science, or equivalent experience.
  • U.S. citizenship.
  • Minimum of five years of experience as a Software Developer, Software Engineer, or similar role.
  • Demonstrated expertise developing web applications within popular frameworks, with a strong command of software design and development in a test-driven environment.
  • Proven experience applying Agile development methodologies, including leading or guiding Agile practices within a team.
  • Advanced proficiency in database management, SQL, and Object-Relational Mapping (ORM) frameworks.
  • Specific and related industry experience, in addition to analog and digital hardware troubleshooting skills.

Skills

  • Experience with Microsoft Office (Excel, Word, Outlook, and Project).
  • Excellent communication skills, both written and verbal.
  • Strong organizational skills and attention to detail, quality, and efficiency.
  • The ability to handle sensitive information discreetly and confidentially.
  • Demonstrate strong problem-solving skills and the ability to make timely and informed decisions.
  • Proficient in both independent work and collaborative team environments.
  • Interact and build relationships with internal personnel at all levels of the organization.
  • Self-motivated and able to manage time and projects effectively.
  • Identify and analyze complex situations, determine potential solutions, and implement strategies to overcome challenges while considering the team's input and best interests.
  • Analog and digital hardware troubleshooting skills.
  • Willingness to learn and adapt to new technologies and processes.


Primary Job Duties

  • Own software architecture and design decisions for new products, from conception through completion.
  • Lead the design of algorithms and flowcharts, in collaboration with other developers.
  • Produce clean, efficient code based on specifications, within a test-driven development environment.
  • Integrate software components into fully functional software systems and oversee verification and deployment.
  • Ensure clear understanding of system specifications and requirements across the project team.
  • Serve as a subject matter expert in essential core technologies.
  • Troubleshoot, debug, and upgrade existing and legacy software.
  • Gather and evaluate user feedback; recommend and drive execution of improvements.
  • Create and maintain technical documentation for reference and reporting.
  • Collaborate with Product Managers, Project Managers, other engineers, other departments, and customers to drive innovation, solve complex problems, and deliver high-quality solutions.
  • Guide and mentor team members by providing constructive feedback, offering growth opportunities, and sharing knowledge and expertise.
  • Lead by example, demonstrating integrity, professionalism, and a strong work ethic.
  • Supervise or train project team members, as necessary.

Work Environment

  • Good or corrected vision and the ability to distinguish colors.
  • Ability to perform the physical activities necessary to carry out job responsibilities, including moving about the work environment and maintaining stationary positions as needed.
  • Manual dexterity is sufficient to operate equipment, tools, and standard office technology.
  • Ability to function in a fast-paced environment, manage multiple priorities, meet deadlines, and effectively handle changing demands.
  • Ability to occasionally lift, carry, push, or pull up to 25-50 pounds, depending on position requirements.