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C Unix Developer Jobs in Plano, TX (NOW HIRING)

Freddie Mac

Software Engineer, Senior

Dallas, TX · On-site

$121K - $159K/yr

Senior developer will help line manager/technical lead in day to day operations, provide ... Experience developing/maintaining applications using C/C++ technologies, preferably in Unix ...

Freddie Mac

Software Engineer, Senior

Dallas, TX · On-site

$116K - $174K/yr

Senior developer will help line manager/technical lead in day to day operations, provide ... Experience developing/maintaining applications using C/C++ technologies, preferably in Unix ...

Freddie Mac

Software Engineer, Senior

Dallas, TX · On-site

$116 - $174/hr

Senior developer will help line manager/technical lead in day to day operations, provide ... Experience developing/maintaining applications using C/C++ technologies, preferably in Unix ...

United Airlines

Senior z/OS Developer

Irving, TX · On-site +1

$82K - $193K/yr

Experience working with UNIX System Services (USS) in z/OS environments. * Knowledge of IBM C/C ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Raytheon

Senior Algorithm Systems Engineer

Plano, TX · On-site

$100K - $137K/yr

... in UNIX/Linux environments. Programming experience in C or C++, and hands on experience using MATLAB or Python for data analysis. • Active and transferable U.S. government issued DoD Secret ...

Collabera

Software Systems Engineer

Westlake, TX · On-site

$166K - $196K/yr

... C, C++, Java, JavaScript, Perl, etc), 5 or more years of experience with Oracle, MySQL, DB2 or ... PL/SQL), HTML, UNIX Shell Scripting, SDE/Oracle data relation and Oracle tuning tools. 3 or more ...

TriOptus LLC

Mainframe Security Engineer

Plano, TX · On-site

... C, JCL, and REXX) * Experience with distributed technology (such as: UNIX, USS file systems ... Systems Programming skills (such as: SMP, SYS1 datasets, assembler language programming)

DomainTools

Senior Software Engineer

Dallas, TX · On-site

$121K - $159K/yr

... Unix environments. * Excellent written and verbal communication skills. * Proven ability to ... Bash, Scala, C, or Hive development experience * Experience with full stack development Benefits ...

DomainTools

Senior Software Engineer

Dallas, TX · Remote

$125K - $165K/yr

... Unix environments. * Excellent written and verbal communication skills. * Proven ability to ... Bash, Scala, C, or Hive development experience * Experience with full stack development Benefits ...

CEDENT

Snowflake Administrator

Westlake, TX · On-site

You bring the experience in backend programming languages like PL/SQL, T-SQL, NZ SQL etc. * You have scripting experience with Unix shell, Python, Perl, C, * You are familiar with Java, J2EE ...

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All JobsC Unix Developer JobsC Unix Developer Jobs in Plano, TX

C Unix Developer information

See Plano, TX salary details

$20

$37

$54

How much do c unix developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for c unix developer in Plano, TX is $37.50, according to ZipRecruiter salary data. Most workers in this role earn between $22.07 and $52.93 per hour, depending on experience, location, and employer.

What is the difference between C Unix Developer vs Linux Developer?

AspectC Unix DeveloperLinux Developer
Required CredentialsProficiency in C, Unix system calls, and Unix shell scriptingProficiency in C, Linux system calls, and Linux shell scripting
Work EnvironmentUnix-based systems, often in enterprise or legacy environmentsLinux-based systems, common in open-source and modern applications
Industry UsageTelecommunications, finance, and legacy enterprise systemsWeb development, cloud computing, and open-source projects
Common Search/ComparisonYesYes

Both C Unix Developers and Linux Developers require strong C programming skills and familiarity with their respective operating systems. While C Unix Developers focus on Unix-based systems often used in legacy or enterprise environments, Linux Developers work primarily with Linux systems, which are prevalent in modern, open-source, and cloud applications. The roles overlap in skills but differ in system focus and industry applications.

What does a C Unix developer do?

A C Unix Developer is a software engineer who specializes in programming applications and systems using the C language on Unix-based operating systems. Their responsibilities often include designing, coding, debugging, and maintaining software, as well as optimizing system performance and ensuring reliability. They may work on low-level system components, utilities, or high-performance applications, often collaborating with other developers and IT professionals. A strong understanding of Unix/Linux commands, system calls, and networking is essential for this role.

What are the key skills and qualifications needed to thrive as a C Unix developer, and why are they important?

To thrive as a C Unix Developer, you need strong proficiency in C programming, Unix/Linux operating systems, and a solid understanding of data structures and algorithms, often supported by a degree in computer science or a related field. Familiarity with development tools like GCC, GDB, Make, and version control systems such as Git is essential, along with experience in shell scripting. Analytical thinking, problem-solving, and effective communication are standout soft skills for this role. These skills and qualities are vital to efficiently build, troubleshoot, and maintain robust software solutions in complex Unix-based environments.

What is a C Unix developer?

A C/Unix developer uses the C programming language to prepare and implement software and applications in a Unix operating system. Unix is a core family of OS, and it is part of Linux, Apple, and many mobile OS platforms, as well as servers and other integral hardware. As a C/Unix developer, your duties and responsibilities are to work as part of a team of coders and developers on projects, helping design the project workflow and completing any tasks needed for a program to run in a Unix system. Because you primarily write Unix in C, many C/Unix developers work on projects to improve existing operating systems built of the Unix architecture.

What are some common challenges faced by C Unix developers when working on legacy codebases?

C Unix Developers often encounter challenges when maintaining or enhancing legacy codebases, such as deciphering poorly documented code, understanding complex pointer logic, and debugging issues that arise from outdated dependencies or system calls. Collaboration with other team members is essential, as knowledge sharing helps bridge gaps in code understanding and ensures that best practices are applied when refactoring or extending existing systems. Addressing these challenges requires strong analytical skills, patience, and effective communication within a multidisciplinary development team.
More about C Unix Developer jobs
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What cities near Plano, TX are hiring for C Unix Developer jobs? Cities near Plano, TX with the most C Unix Developer job openings:
C Unix Developer jobs near you
Infographic showing various C Unix Developer job openings in Plano, TX as of August 2026, with employment types broken down into 60% Full Time, and 40% Contract. Highlights an 100% In-person job distribution, with an average salary of $78,002 per year, or $37.5 per hour.

Software Engineer, Senior

Freddie Mac

Dallas, TX • On-site

$121K - $159K/yr

Full-time

Re-posted 26 days ago

Freddie Mac rating

9.2

Company rating: 9.2 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

Job description

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it's at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose.
Position Overview:
The Enterprise Business Technology Office (BTO) at Freddie Mac enables business operational excellence through the flexible use of technology. The team supports the needs of the enterprise groups, including the chief administrative office, compliance, enterprise risk management, finance, human resources, diversity and outreach, internal audit and legal. In addition to championing and empowering business partners, Enterprise BTO takes steps to improve efficiency and effectiveness across the organization.
This is an opportunity to join a fast-paced team of talented individuals responsible for providing IT development support across various organizations in Freddie Mac. Senior developer will help line manager/technical lead in day to day operations, provide application development support and guide/mentor other members of the team.
Our Impact:
The Development Factory helps provide efficient and rapid delivery for IT scope affecting applications across the enterprise. The Dev Factory model promotes a more collaborative and productive work environment by bringing development, testing and operations together. It is the combination of skills, process, practices, and tools that enhances our ability to deliver services at large scale with high velocity and reliability.
Your Impact:
  • Developing software solutions by studying organizational needs; conferring with users; studying systems flow and work processes; investigating problem areas; following the software development lifecycle.
  • Follow established methodology and controls guidelines. Maintain agility and quality throughout development process.
  • Documenting Technical Design, Interface Specifications and Unit Testing.
  • Participate in technical discussions and provide recommendations or solutions
  • Demonstrating ownership of problems, issues, or requests from start to finish and facilitating appropriate handoffs
  • Ensuring that "Best Practices" for development activities (e.g. code reviews, unit testing, etc.) are followed through the project life-cycle

Qualifications:
  • Bachelor's degree in Information Technology, Computer Science, Engineering or related field or equivalent combination of education and work experience
  • 5+ years of Java experience in developing applications using Java/J2EE technologies, preferably in Unix environment
  • Excellent understanding of typical multi-tier architectures: web servers, caching, application servers, & load balancers
  • Hands-on experience on multiple technologies such as:
  • Java/J2EE & middleware (WebLogic, Apache, Spring Boot, etc.) technologies in UNIX environment and Scripting languages such as UNIX Shell
  • Build automation / CICD pipeline integration tools (Jenkins, GIT, Bitbucket, Artifactory, etc.)
  • Relational databases (Sybase, DB2, SQL Server, Oracle, PostgreSQL)
  • Information and application security including LDAP, certificates, public key encryption, SSH, access credentials, etc.
  • Experience developing/maintaining applications using C/C++ technologies, preferably in Unix environment in a nice to have

Keys to Success in this Role:
  • Good interpersonal, relationship building and team working skills
  • Demonstrated ability to communicate effectively with various teams, both business and technical, to achieve goals.
  • Ability to communicate clearly, effectively, persuasively.
  • Motivated to learn new technologies and identify process improvements and efficiencies.
  • Strong verbal and written communication skills.

Current Freddie Mac employees please apply through the internal career site.
We consider all applicants for all positions without regard to gender, race, color, religion, national origin, age, marital status, veteran status, sexual orientation, gender identity/expression, physical and mental disability, pregnancy, ethnicity, genetic information or any other protected categories under applicable federal, state or local laws. We will ensure that individuals are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
A safe and secure environment is critical to Freddie Mac's business. This includes employee commitment to our acceptable use policy, applying a vigilance-first approach to work, supporting regulatory mandates, and using best practices to protect Freddie Mac from potential threats and risk. Employees exercise this responsibility by executing against policies and procedures and adhering to privacy & security obligations as required via training programs.
CA Applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
Notice to External Search Firms: Freddie Mac partners with BountyJobs for contingency search business through outside firms. Resumes received outside the BountyJobs system will be considered unsolicited and Freddie Mac will not be obligated to pay a placement fee. If interested in learning more, please visit www.BountyJobs.com and register with our referral code: MAC.
Time-type:Full time
FLSA Status:Exempt
Freddie Mac offers a comprehensive total rewards package to include competitive compensation and market-leading benefit programs. Information on these benefit programs is available on our Careers site.
This position has an annualized market-based salary range of $116,000 - $174,000 and is eligible to participate in the annual incentive program. The final salary offered will generally fall within this range and is dependent on various factors including but not limited to the responsibilities of the position, experience, skill set, internal pay equity and other relevant qualifications of the applicant.

What Freddie Mac employees say

Pay

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Freddie Mac

Sourced by ZipRecruiter

Today, Freddie Mac makes home possible for one in four home borrowers and is one of the largest sources of financing for multifamily housing. Join our smart, creative and dedicated team and you'll do important work for the housing finance system and make a difference in the lives of others.

Industry

Finance and insurance

Company size

5,001 - 10,000 Employees

Headquarters location

McLean, VA, US

Year founded

1970

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