Demo

Senior C++ Developer (Unix/SQL)

Cognizant
Portsmouth, NH Full Time
POSTED ON 6/4/2026
AVAILABLE BEFORE 7/2/2026
About The Role

We are looking for a highly skilled C Developer to join our team in Portsmouth, NH. In this role, you will work on developing and maintaining high-performance applications in a Unix-based environment, with a strong focus on database integration and legacy system modernization. You will collaborate with cross-functional teams to enhance system stability, performance, and scalability while supporting critical business applications.

In This Role, You Will

  • Develop, maintain, and enhance applications using C in UNIX/AIX environments
  • Work with embedded SQL within C/C applications to ensure efficient database interaction
  • Design, develop, and optimize queries for Sybase ASE and SQL Server databases
  • Configure and troubleshoot database connectivity using ODBC, FreeTDS, and unixODBC
  • Write and maintain shell scripts (ksh/bash) for automation and batch processing
  • Implement and support Open Rating Platform (Open RP) or policy-based calculation logic
  • Analyze, debug, and refactor legacy code to improve performance and maintainability
  • Partner with cross-functional teams to deliver enhancements and ensure system reliability

Work Model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Portsmouth, NH. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs

The working arrangements for this role are accurate as of the date of posting. These may change based on the project you are engaged in, as well as evolving business and client requirements. We will always be transparent about role expectations.

Please note: Some roles may require in‑person interviews at Cognizant offices or client locations based on project needs.

What you need to have to be considered

  • Strong hands-on experience in C programming
  • Proven experience with ODBC connectivity frameworks
  • Experience working with embedded SQL in C/C applications
  • Solid understanding of Sybase ASE and SQL Server databases
  • Proficiency in Unix/Linux environments
  • Hands-on experience with shell scripting (ksh/bash)
  • Strong troubleshooting skills in database connectivity (FreeTDS, unixODBC)
  • Experience analyzing and modernizing legacy codebases

This will help you stand out

  • Knowledge of Open Rating Platform (Open RP) or policy-based calculation systems
  • Experience working in large-scale enterprise or legacy modernization projects
  • Strong problem-solving and debugging skills
  • Ability to work collaboratively in cross-functional and distributed teams

Salary And Other Compensation

The annual salary for this position is between $60,000 to $93,500 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits

Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

Disclaimer

The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

  • Please note, this role cannot offer visa transfer or sponsorship now or in the future*

Salary : $60,000 - $93,500

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior C++ Developer (Unix/SQL)?

Sign up to receive alerts about other jobs on the Senior C++ Developer (Unix/SQL) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$102,136 - $132,353
Income Estimation: 
$123,508 - $158,121
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Cognizant

  • Cognizant Washington, DC
  • We are seeking an experienced Senior Business Analyst 10 years of experience in Banking or Financial Services to join our team. The ideal candidate will ha... more
  • 1 Day Ago

  • Cognizant Beaverton, OR
  • About The Role As an IT Depot Technician, you will make an impact by keeping our depot operations running smoothly and efficiently. You will own the end-to... more
  • 1 Day Ago

  • Cognizant Hartford, CT
  • ** Unfortunately no visa transfer or sponsorship available for this role** Job Title: SSIS & SQL Server Support Engineer Location: Hybrid at Scottsdale, AZ... more
  • 1 Day Ago

  • Cognizant Minneapolis, MN
  • Job Summary Identity Access Management IAM Operational Analyst Role This role is a highly operational production facing position that provides critical day... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Senior C++ Developer (Unix/SQL) jobs in the Portsmouth, NH area that may be a better fit.

  • Liberty Mutual Insurance Group Portsmouth, NH
  • Description We deliver our customers peace of mind every day by helping them protect what they value most. Our passion for placing the customer at the cent... more
  • 2 Days Ago

  • Wilcox Industries Newington, NH
  • Wilcox develops innovative, world class electro-mechanical combat systems for today’s warfighters and law enforcement officers. Senior Mobile Developers ar... more
  • 2 Months Ago

AI Assistant is available now!

Feel free to start your new journey!