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C Unix Developer Jobs in New Jersey (NOW HIRING)

Innova Solutions, Inc

C Programmer

Jersey City, NJ · On-site

$65 - $68/hr

Jersey City, NJ As a C Programmer you will: The ideal candidate will have: Must have Skills: • 5+ ... Experience working on Sybase * 5+ years of experience with UNIX and Perl Job Responsibilities:

Atria Group LLC

Java With Linux or Unix

Middletown, NJ · On-site

$52 - $67.25/hr

Our company provides application analysis, design, development and programming, software ... Expert (5 yrs exp) C, XML, HTML, Perl, shell scripts Desired: * Experience configuring and ...

TecTammina

Actimize developer

Jersey City, NJ · On-site

Actimize, Oracle, Unix Experience Required: Participation in design, development and implementation ... Should have >6 yrs of exp c. Sound knowledge in Oracle, Actimize 5 d. Experience in Oracle DB ...

Nastech Global

ProC Developer

Jersey City, NJ · On-site

C, Oracle PL/SQL. * Must have worked in Unix/Linux based operating systems. * Experience working with oracle tuxedo application server. * Must be committed to incorporating security into all ...

Talent Groups

Linux Security Admin

Jersey City, NJ · On-site

Required Qualifications * Strong experience with UNIX/Linux operating systems . * Proficiency in C programming for systems and network development. * Experience with Perl scripting . * Solid ...

Tata Consultancy Service Limited

Engineer

Jersey City, NJ · On-site

$100K - $130K/yr

Must Have Technical/Functional Skills Strong hands-on experience with Unix and Perl scripting for application development and support. • Working knowledge of C programming, with the ability to make ...

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C Unix Developer information

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.
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C Unix Developer jobs near you
Infographic showing various C Unix Developer job openings in New Jersey as of August 2026, with employment types broken down into 73% Full Time, and 27% Contract. Highlights an 100% In-person job distribution.

Senior Optimization Developer (C++ & CPLEX) /Remote

Apetan Consulting llc

Jersey City, NJ • On-site

$80 - $150/hr

Contractor

Re-posted 3 days ago

Job description

Position: Senior Optimization Developer (C++ & CPLEX)
Duration: 6 months w/ possible extension
Project Name: - Network Planning Schedule Design Optimizer

Process:  

  • 45-60 minute video interview with Plamen + modelers on the team
  • Potential 2nd round if they have multiple candidates they’re picking between
  • We are looking for someone with good experience with modeling
  • IBM ILOG “CPLEX” is a MUST
  • C++ -- hard requirement


Top 5 Skill sets

  • Bachelors degree from an accredited college or university with a focus in Industrial Engineering, Operations Research, Mathematics, or related field.
  • 4+ years of experience on applied operations research including decision analysis, optimization, simulation, and statistics, and stochastic modeling
  • Strong theoretical background and practical experience in advanced large-scale optimization methods like nonlinear and mixed-integer optimization
  • Strong experience of commercial optimization software such as IBM ILOG CPLEX, GUROBI, LINDO, or Xpress
  • Experience with C++, Python or Julia, Unix shell scripting


Nice to have skills or certifications:

  •  Experience working in a transportation environment
  • Java, JavaScript

Job overview and responsibilities

  • United is seeking a talented and motivated Senior Optimization Developer with experience designing and developing high-performing, large scale applications.
  • The candidate will work closely with business teams, technical teams, and operation research teams to gather, analyze, and understand business requirements, build mathematical optimization, statistical and decision support models in mathematical programming, and statistical tools.
  • United Airlines is an equal opportunity employer. United Airlines recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, gender identity, sexual orientation, physical ability, age, veteran status, and other protected status as required by applicable law.

Qualifications - Internal
Required

  • Bachelors degree from an accredited college or university with a focus in Industrial Engineering, Operations Research, Mathematics, or related field.
  • 4+ years of experience on applied operations research including decision analysis, optimization, simulation, and statistics, and stochastic modeling.
  • Strong theoretical background and practical experience in advanced large-scale optimization methods like nonlinear and mixed-integer optimization, e.g. proven through at least 3 years works in this field.
  • Strong experience of commercial optimization software such as IBM ILOG CPLEX, GUROBI, LINDO, or Xpress.
  • Software engineering best practices such as: versioning and versioning control, software packaging and software release management.
  • Successful completion of interview required to meet job qualification.
  • Reliable, punctual attendance is an essential function of the position.

Knowledge/Skills

  • IBM ILOG CPLEX
  • Julia, C++, Java, JavaScript
  • Unix, UNIX shell scripting
  • SQL, PL/SQL, Pro*C
  • R