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Freelance C Unix Developer Jobs (NOW HIRING)

SV Tech Systems Inc

C++ Developer

New York, NY · On-site

$53.50 - $72.25/hr

C++ Developer NYC, NY 6+ months contract Responsibilities: Work on front, middle or back office ... with UNIX is essential Background in object-oriented design, data structures, system and ...

Ruri Software Technologies LLC

C++ Developer

$50.25 - $67.50/hr

C++ Developer Location : 100% Remote Description: Skills 1. Proficient in C/C++ Application ... Unix commands and Unix Shell Scripting. 5. Good experience with SVN/GIT/CVS or similar tools.

SysMind Tech

AWS DevOps Engineer- ONLY USC/GC

$54 - $74/hr

ONLY USC/GC Remote EST Basic Unix/linux w/ Docker experience Pipeline configuration and CI/CD ... Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No

SPAR Information Systems LLC

C/C++ Lead

San Antonio, TX · On-site

C/C++ Lead - 100% San Antonio TX Onsite Must Have Skills - Skill 1 - Yrs of Exp - C++ Skill 2 - Yrs of Exp - Linux/Unix OS Skill 3 - Yrs of Exp - Microservices Skill 4 - Yrs of Exp - Golang Good To ...

XKL LLC

Software Engineer I

Redmond, WA

$86K - $94K/yr

... the C/UNIX development environment, libraries and tool sets Knowledge of multi-threaded programming concepts Experience with software that programs hardware devices (Firmware) XKL'S PERKS We ...

AditiStaffing

C++ DEveloper

Orangeburg, NY

$49.75 - $67/hr

... Unix -8 + years Experience in C++ & Object oriented programing -8+ years Oracle/RDBMS DB development experience; PL/SQL a big plus -Experience in network design, operational support, hands-on ...

Cygnus Professionals, Inc.

C++ Developer

Denver, CO

$50.50 - $68/hr

Bachelor degree in Computer programming or computer science. Key Skills: C C++ Advanced level Java ... Unix, Linux GoLang (Google Language)** Networking HTTP Creating API's Apache traffic control Open ...

Synergy ECP

Software/Test Engineer

Columbia, MD · On-site

Builds applications using a specified programming language per the Government. * Builds Graphical ... Unix, and Linux operating systems * Minimum two (2) years' experience in C, C++, Perl, Python, or ...

Saransh Inc

Stratus Software Engineer

Tampa, FL · On-site

Strong in Unix/Linux, C/C++, and familiar with Compass / First Data technologies Required Skills: * Experience level is 08-10 years in relevant technical skillsets mentioned * BS/BA degree or ...

Esolvit Inc

C,C++ Developer

Austin, TX

C,C++ Developer Location: Austin,TX Basic Qualifications: Bachelor's degree or higher from an ... Experience developing applications in Linux or Unix based OS, Windows based as well. Experience ...

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Freelance C Unix Developer information

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$57

$95

How much do freelance c unix developer jobs pay per hour?

As of Jul 16, 2026, the average hourly pay for freelance c unix developer in the United States is $57.79, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $63.46 per hour, depending on experience, location, and employer.

What is the difference between Freelance C Unix Developer vs C Programmer?

AspectFreelance C Unix DeveloperC Programmer
CredentialsTypically requires proficiency in C, Unix/Linux systems, and possibly certifications like Linux Professional Institute Certification (LPIC)Requires knowledge of C programming, often with a degree in Computer Science or related field
Work EnvironmentIndependent, project-based, often remote, working with multiple clientsUsually employed by a company or working as a full-time employee, working in office or remote
Industry UsageFreelance C Unix Developers are hired for specialized system-level projects, embedded systems, or performance-critical applicationsC Programmers are employed across software development, embedded systems, and application development within organizations

In summary, Freelance C Unix Developers work independently on specific Unix/Linux-based projects, often requiring a broader skill set and client management, while C Programmers are typically employed full-time within organizations focusing on coding and software development using C language.

More about Freelance C Unix Developer jobs
What cities are hiring for Freelance C Unix Developer jobs? Cities with the most Freelance C Unix Developer job openings:
What are the most commonly searched types of C Unix Developer jobs? The most popular types of C Unix Developer jobs are:
What states have the most Freelance C Unix Developer jobs? States with the most job openings for Freelance C Unix Developer jobs include:
What job categories do people searching Freelance C Unix Developer jobs look for? The top searched job categories for Freelance C Unix Developer jobs are:
Freelance C Unix Developer jobs near you
Infographic showing various Freelance C Unix Developer job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 9% Part Time, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $120,212 per year, or $57.8 per hour.
Mid‑Level Systems Integration Engineer (Linux, Unix, C)

Mid‑Level Systems Integration Engineer (Linux, Unix, C)

IDS International

Annapolis Junction, MD • On-site

Full-time

Re-posted 3 days ago

Job description

Job Title

Mid‑Level Systems Integration Engineer (Linux, Unix, C) 

Why IDS?

IDS believes in resolving conflict, building innovative approaches to do so. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world. IDS tailors solutions for a diverse range of government, military, nonprofit, and public‑sector clients.

Locations

Annapolis Junction, MD

Shifts Available

Please note, candidates must be flexible. Shift times are general hours; some projects may require earlier or later reporting based on customer requirements.

Job Description

IDS is seeking a Mid‑Level Systems Integration Engineer to support enterprise computer systems and network operations. The engineer will manage and analyze system and network environments, translate user needs into technical solutions, support system migrations, and evaluate technologies to enhance agency standard solutions.

Key Duties

• Manage enterprise computer systems and networks by analyzing technical issues and implementing corrective actions
• Monitor and interpret visual outputs indicating operational status of systems and network infrastructure
• Translate user requests into technical diagnoses and implement solutions to meet operational needs
• Develop and support migration strategies to transition customers to new architectures or technologies with minimal impact
• Evaluate new technologies and equipment for integration into agency standard solutions

Requirements

• Bachelor’s degree with five (5) years of relevant experience, or Master’s degree with three (3) years, or Associate’s degree with seven (7) years, or high school diploma/GED with nine (9) years of relevant experience
• Degree in Network Engineering, Systems Engineering, Information Technology, or related field
• Strong experience with Linux systems
• Experience in systems administration, network administration, application administration, or IT support
• Experience supporting hardware installation such as servers or network infrastructure
• Experience configuring storage solutions such as network‑attached storage
• Experience implementing security best practices including PKI certificate generation, deployment, and maintenance
• Knowledge of Unix shell scripting languages such as Bash, Bourne, or C
• Must possess an IAT‑I certification (e.g., Security+ CE)
• Relevant experience must include computer or information systems design or development, programming, information or cyber security, network security, vulnerability analysis, computer forensics, information assurance, or systems engineering
• Experience in network or system administration
• Active TS/SCI with Polygraph

Compensation

• Salary range: $110,000 – $130,000
• Benefits

Employee may be required to occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds, but may vary depending on the position. Regular and predictable attendance is essential.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status, and any other characteristic protected by federal, state, and local law.

If you are unable to apply through the portal and need to speak to someone about necessary accommodations to apply, please email accommodation@idsinternational.com and we will follow up with you. Do not submit resumes and applications through this email.

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