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Freelance Linux Kernel Development Jobs in Florissant, MO

C5T Corporation

SAP BASIC

O Fallon, IL · On-site

$85K - $130K/yr

... development teams to shape a highly optimized SAP environment. This role offers the opportunity to ... Perform SAP kernel upgrades, support package deployments, Enhancement Packages, and SUM-based ...

All JobsLinux Kernel Development JobsFreelance Linux Kernel Development JobsFreelance Linux Kernel Development Jobs in Florissant, MO

Freelance Linux Kernel Development information

See Florissant, MO salary details

$93.1K

$137.5K

$162.3K

How much do freelance linux kernel development jobs pay per year?

As of Aug 26, 2026, the average yearly pay for freelance linux kernel development in Florissant, MO is $137,474.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,900.00 and $152,200.00 per year, depending on experience, location, and employer.

What is freelance Linux kernel development?

Freelance Linux kernel development involves independently working on the Linux operating system's core, either by contributing to the mainline kernel, developing custom modules, or supporting companies with kernel-level issues. Freelancers in this field often tackle tasks such as writing device drivers, optimizing system performance, or integrating hardware with Linux. The work requires deep expertise in C programming and an understanding of operating system concepts. Freelancers may collaborate with open-source communities or work directly with clients needing specialized Linux solutions.

What are some common challenges faced by freelance Linux kernel developers when working with clients remotely?

Freelance Linux Kernel developers often encounter challenges such as navigating complex codebases without in-house support, aligning with clients’ specific kernel customization requirements, and ensuring thorough testing across diverse hardware environments. Effective communication is essential, as misunderstandings about project scope or technical specifications can arise without face-to-face interactions. Building strong documentation habits and using collaborative tools can help streamline workflows and maintain clarity throughout the development process.

What are the key skills and qualifications needed to thrive as a freelance Linux kernel developer, and why are they important?

To thrive as a Freelance Linux Kernel Developer, you need in-depth knowledge of C programming, operating system concepts, and Linux kernel architecture, often demonstrated by a degree in computer science or equivalent experience. Familiarity with version control systems like Git, debugging tools such as GDB, and open-source collaboration platforms is typically necessary. Strong problem-solving skills, self-motivation, and effective communication are crucial for managing independent projects and collaborating with distributed teams. These skills ensure you can deliver robust kernel code, troubleshoot complex issues, and contribute meaningfully to open-source projects or client requirements.

What are popular job titles related to Freelance Linux Kernel Development jobs in Florissant, MO?

For Freelance Linux Kernel Development jobs in Florissant, MO, the most frequently searched job titles are:

Freelance Linux Kernel Development jobs near you

On Site - St. Louis MO - Senior Software Engineer

Object Computing, Inc.

Saint Louis, MO • On-site

$119K - $157K/yr

Full-time

Re-posted 23 days ago

Job description

On Site Required - In St. Louis MO
US Citizenship Required

Ready to contribute to cutting-edge defense technology and shape the future of battlefield superiority? Join our dynamic team working on a pivotal initiative focused on delivering advanced technological solutions to the U.S. Department of Defense and its allies. As a key member of our team, you'll be immersed in a challenging and rewarding environment where innovation thrives. We're collaborating with a leading mid-tier defense technology company specializing in areas like Advanced Sensing, Network Computing, and Force Protection, to develop and integrate state-of-the-art systems. If you're passionate about technology, thrive in a fast-paced setting, and want to make a tangible impact on national security, this project is for you. Be part of a team where your contributions are valued and your growth is encouraged, working alongside talented professionals dedicated to excellence and integrity. Dive into complex technical challenges, work with the latest tools and platforms, and experience the satisfaction of seeing your work directly contribute to significant advancements in defense technology.

Job Summary:
We are seeking a highly skilled Senior Software Engineer with robust expertise in C++ embedded development for a position based in St. Louis, Missouri. The ideal candidate will have a diverse set of programming skills that also includes languages other than C++. The right individual will contribute to diverse projects, requiring on-site presence four days a week. U.S. Citizenship is required.

Key Responsibilities
  • Design, develop, and maintain robust and efficient embedded software systems using modern C++ and embedded Linux (PetaLinux) for critical defense applications.
  • Provide detailed technical explanations of projects, including problems and solutions implemented.
  • Understand and work with complex software systems, including SDKs, third-party APIs, testing tools, and bench systems.
  • Understand and use simulators for software testing, including creating or improving simulators.
  • Apply various testing methodologies, especially for testing inputs/outputs of "black boxes."
  • Debug communication problems between software and hardware devices.
  • Understand and perform codebase migration to new environments or operating systems.
  • Connect prior work and technical examples to the specific needs and challenges of our company, particularly in the aerospace, government, or defense sectors.
Required Skills & Qualifications
  • U.S. Citizenship required
  • Extensive experience in modern C++ and embedded Linux (PetaLinux).
  • Proficiency in scripting languages like PowerShell and Bash.
  • Experience with containerization technologies like Docker.
  • Familiarity with CI/CD pipelines.
  • Strong understanding of software systems complexities and "black boxes."
  • Proficiency in creating and consuming technical documentation.
  • Familiarity with UML diagrams and tools like Confluence, Visio, and Doxygen.
  • Experience with simulators for software testing.
  • Knowledge of various testing methodologies.
  • Strong debugging skills for software and hardware communication problems.
  • Experience with or understanding of codebase migration.
  • Ability to describe technical projects in detail and discuss technical aspects succinctly and with depth.
  • Ability to identify and solve complex technical problems.
  • Strong communication skills to explain technical concepts and processes.
  • Ability to work on-site 4 days a week in St. Louis, Missouri.
Preferred Skills:
  • Experience with Linux or VxWorks, kernel development, or distributed computing.
  • Proficiency in Python and Java.
  • Experience in the aerospace, government, or defense sectors.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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