Senior SYNON/AS400 Developer
Cognizant· enterprise· IT Services· Aug 23, 2026 · 2mo agoPosted 65 days ago
Dallas, Texas, United States / Richardson, Texas, United States
In office
Full-time
Senior
$145K–$185K est.
Before you apply
Ghost Signal:
Open 65 days.
Job description
About the role
As a Senior SYNON/AS400 Developer, you will make an impact by designing, developing, and supporting business-critical applications in an AS400 environment. You will be a valued member of the technology team, collaborating with business analysts, technical leads, quality assurance teams, and stakeholders to deliver high-quality solutions throughout the software development lifecycle.
In this role, you will:
· Partner with business analysts and technical leads to clarify requirements and define technical solutions.
· Analyze business needs and prepare technical designs, estimates, and development plans.
· Develop, review, and enhance applications using AS400 technologies including RPGLE, RPGILE, CLLE, and SYNON.
· Create and execute unit test plans, resolve defects, and support quality assurance and regression testing activities.
· Support deployments, production releases, and post-implementation activities to ensure stable and successful solution delivery.
Work model:
We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in Richardson, TX. 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 experience working in AS400/IBM i development environments.
· Hands-on expertise with RPGLE and RPGILE programming.
· Proficiency in CLLE development and system-level programming.
· Experience developing and maintaining applications using SYNON.
· Ability to participate in the full software development lifecycle, including analysis, design, coding, testing, deployment, and production support.
This will help you stand out
· Experience preparing technical estimates and solution designs.
· Strong troubleshooting and defect-resolution skills.
· Experience supporting QA, regression testing, and production deployments.
· Ability to collaborate effectively with cross-functional technical and business teams.
· Experience in post-production support and warranty-period activities.
Salary and Other Compensation:
The annual salary for this position is between $65,447 to $117,000 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*
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation 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.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com for roles based in the Americas or CareersIndia2@cognizant.com for roles based in India.
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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Paid Time Off
Parental Leave