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Software Engineer Independent Contractor Jobs in Missouri

Mastercard, Inc.

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a highly motivated, detail-oriented, and proactive engineer who has the ability to operate under pressure in an independent, autonomous environment. Responsibilities Software ...

Free From Market

Lead Software Engineer

Kansas City, MO · On-site

$150 - $180/hr

  • PTO

... work independently in a fast-paced and ambiguous environment. This is a full-time role based in ... Lead a team of software engineers to deliver high-quality solutions * Build a high performing team ...

Eastman

Senior Software Engineer

Saint Louis, MO · On-site

$114K - $151K/yr

Position Description We are seeking a Senior Software Engineer who is passionate about building ... and execute independently. Preferred Qualifications • Experience working on customer-facing ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a highly motivated, detail-oriented, and proactive engineer who has the ability to operate under pressure in an independent, autonomous environment. Responsibilities Software ...

Eastman

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

Position Description We are seeking a Senior Software Engineer who is passionate about building ... and execute independently. Preferred Qualifications • Experience working on customer-facing ...

Walmart

Senior, Software Engineer

Cassville, MO · On-site

$90K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to ... Ability to work independently to perform all required actions, and comprehends changes to ...

Walmart

Senior, Software Engineer

Anderson, MO · On-site

$90K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to ... Ability to work independently to perform all required actions, and comprehends changes to ...

FCS Financial

Software Engineer

Jefferson City, MO

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 ...

Walmart

Senior, Software Engineer

Noel, MO · On-site

$90K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior, Software Engineer, you will: * Review, and understand business and technical needs to ... Ability to work independently to perform all required actions, and comprehends changes to ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Software Development & Quality Independently design, build, test, deploy, and maintain highquality ... Performance Engineering Proactively analyze and optimize application and system performance ...

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All JobsSoftware Engineer Independent Contractor JobsSoftware Engineer Independent Contractor Jobs in Missouri

Software Engineer Independent Contractor information

See Missouri salary details

$59.6K

$138.4K

$192.8K

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

As of Aug 13, 2026, the average yearly pay for software engineer independent contractor in Missouri is $138,378.00, according to ZipRecruiter salary data. Most workers in this role earn between $112,600.00 and $162,300.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a software engineer independent contractor?

To thrive as a Software Engineer Independent Contractor, you need proficient coding abilities, problem-solving skills, and a solid understanding of software development methodologies, often supported by a degree in computer science or related experience. Familiarity with popular programming languages, project management tools, code repositories like Git, and relevant certifications such as AWS Certified Developer or Scrum Master are commonly expected. Excellent self-management, communication, and client relationship skills help you stand out in this position. These abilities are crucial for delivering high-quality solutions, maintaining professionalism, and ensuring client satisfaction while working independently.

What is a software engineer independent contractor?

A Software Engineer Independent Contractor is a self-employed professional who provides software development services to clients on a contractual basis. Unlike full-time employees, independent contractors work on specific projects, often for multiple clients, and handle their own taxes, benefits, and work schedules. They may be responsible for designing, coding, testing, and maintaining software solutions based on client requirements. This role offers flexibility and autonomy but requires strong time management and business skills.

What are the typical challenges faced by software engineer independent contractors, and how can they be addressed?

As a Software Engineer Independent Contractor, common challenges include managing multiple projects simultaneously, adapting to different client expectations, and ensuring consistent communication across remote teams. Successful contractors often establish clear project scopes, set realistic timelines, and utilize productivity tools to stay organized. Building strong client relationships and proactively addressing feedback can help mitigate misunderstandings and foster repeat business. Additionally, investing in ongoing learning and networking can open opportunities for higher-value projects and career growth. Embracing flexibility and self-discipline is key to thriving in this dynamic, self-driven work environment.

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

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

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

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

Software Engineer Independent Contractor jobs near you
Infographic showing various Software Engineer Independent Contractor job openings in Missouri as of August 2026, with employment types broken down into 1% Internship, 90% Full Time, 6% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $138,378 per year, or $66.5 per hour.

Software Engineer

FlightSafety International

Hazelwood, MO • On-site

Full-time

Re-posted 22 hours ago

FlightSafety International rating

8.9

Company rating: 8.9 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

8th of 222 rated education and training

Job description

About FlightSafety International

FlightSafety International is the world’s premier professional aviation training company and supplier of flight simulators, visual systems and displays to commercial, government and military organizations. The company provides training for pilots, technicians and other aviation professionals from 167 countries and independent territories. FlightSafety operates the world’s largest fleet of advanced full-flight simulators and award-winning maintenance training at Learning Centers and training locations in the United States, Canada, France and the United Kingdom.

Purpose of Position

Responsible for developing software for simulator systems.  Application areas include real time simulation; simulation of aircraft systems, navigation, aircraft dynamics; simulator interoperability; simulation software integration with OEM software; simulator software system design; computer systems and information security.  Intermediate Level; continuing development level. Performs more varied and difficult aspects of the job; may need guidance on job duties; apply learning to recommend options to address unusual situations.

Tasks and Responsibilities

In this position, you will support our Display Management System (DMS) C# .NET application. DMS creates seamless, immersive, multi-display visual experiences for pilots in flight simulators. The DMS team tackles a wide range of challenges involving display system measurement, algorithm development, and embedded device control. This job is primarily a support role for production systems, but you will work directly with the development team to incorporate product improvements.

DMS engineers get hands on experience with a variety of hardware including state-of-the-art projectors, cameras, spectrometers, and night vision goggles. Projects span image and signal processing, machine vision, process control, automation, and interface design. We draw on many fields of knowledge including optics, vision science, and photography, in addition to traditional software fundamentals.

The team is agile and multi-disciplinary. The position incorporates all facets of software development from requirements assessment, design, development, testing, integration, peer review, documentation, maintenance, and end user support.

Minimum Education

Bachelor's Degree in Computer Science, Computer Engineering, Applied Mathmatics or other applicable technical field; and two years related experience; or equivalent combination of education and experience.

Minimum Experience

2+ years of related experience in software engineering preferred.

Knowledge, Skills, Abilities

•    C# programming
•    System-level debugging and troubleshooting
•    Software architecture and object-oriented design
•    Strong physics and mathematics (especially geometry) background
•    Collaborative spirit, including strong written and verbal communication skills

Skills in the following areas are a plus:
•    MS Visual Studio
•    MATLAB
•    Unit and integration testing
•    Hardware communication
•    Image processing or machine vision
•    GUI design
•    Process control
•    Optics and spectroradiometry
•    Color and vision science
•    Photography
•    Powershell

    • Expected travel requirements of 10%-15%.

    • This position may also require eligibility to obtain and maintain a U.S. Government security clearance for the duration of employment.

Physical Demands and Work Environment

The physical demands and work environment described here are representative of those that must be met and or encountered by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. The employee will be regularly required to sit, demonstrate dexterity to handle or feel, speak, and hear. The employee is occasionally required to stand, walk, and reach with hands and arms. The employee must occasionally lift and/or move up to 10 pounds. Specific vision abilities required close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus. While performing the duties of the job, the employee is occasionally exposed to moving mechanical parts and vibration.  The noise level in the work environment is usually moderate. 

FlightSafety is an Equal Opportunity Employer/Vet/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or disability.

Any offer of employment is contingent upon successful completion of required compliance reviews, including verification that the candidate is not prohibited from employment under U.S. economic sanctions programs administered by the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC).

This position may require access to export-controlled technology or services subject to the International Traffic in Arms Regulations (ITAR) and/or the Export Administration Regulations (EAR). Employment consideration and any offer of employment are contingent upon the applicant’s ability to comply with these requirements, including qualifying as a “U.S. Person” under applicable regulations or otherwise eligible for export authorization within a timeframe consistent with business needs. A “U.S. Person” includes U.S. citizens, lawful permanent residents (holders of approved and unexpired green cards), and certain refugees or asylees with protected status under U.S. law.

This position may also require eligibility to obtain and maintain a U.S. Government security clearance for the duration of employment.

Cybersecurity Notice: All official recruiting communication from FlightSafety International will come from an @flightsafety.com email address.  FlightSafety International will never ask for personal or financial information through social media or third-party email providers.

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