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Added 1 min ago
HPC - Senior Test Engineer - Linux, Bash, REST
Erias Ventures, LLC
Annapolis Junction, MD
Added 1 min ago
W
Test Engineer (TE) – Skill Level 3
Wyetech
Annapolis Junction, MD
- $86.9 to $109.84 USD / hour
Added 2 mins ago
Senior Front-End Developer
Uniform Advantage Brands
Fort Lauderdale, FL
UA Brands is seeking a Senior Frontend Developer to build and enhance modern, customer-facing web applications that support our ecommerce platforms and digital experiences. This role…
Added 2 mins ago
SS
Full Stack Software Engineer - Technical Lead, AVP II
State Street
Burlington, MA
- $90,000 to $157,500 USD / year
Experience with automated testing practices, including unit, integration, API, and UI testing.
Added 4 mins ago
Staff Software Engineer
Natera
Remote, United States
…Lambda and similar serverless patterns, SQS/SNS/EventBridge, API Gateway,…
Added 8 mins ago
Manager, Integrated Technology
Thomson Reuters (Tax & Accounting) Inc
Remote, United States
· Ensure integrated solution conversations appropriately cover CLEAR API/Batch services, customer technical environments, implementation dependencies, security considerations, and…
Added 13 mins ago
Partnerships Operations Manager
XY Planning Network
Remote, United States
Collaborate with Product and Tech to define and document technical requirements for partner integrations, API connections, and system enhancements.
Added 14 mins ago
Senior Manager, E2E Planning
J&J Family of Companies
Titusville, NJ
Is accountable for allocation of API and bulk, and responsible to work out the allocation of Finished Goods supply to avoid stock-outs in partnership with Regional Demand & Supply.
Added 14 mins ago
M
Front-End Developer (Vue.JS)
ManpowerGroup
New Providence, NJ
- $70 to $75 USD / hour
Our client, a technology-driven organization, is seeking a Front-End Developer (Vue.JS) to join their team. As a Front-End Developer (Vue.JS), you will be part of the product and…
Added 15 mins ago
Senior Principal Software Engineers
NB Ventures, Inc.
Clark, NJ
…C#. Creation of business services that are exposed as RESTful API and follows the ROA (Resource oriented architecture). Responsible for the development, enhancement, testing, support,…
Added 15 mins ago
Associate Director AI Activation
Merck
Rahway, NJ
…retrieval-augmented generation (RAG), multi-agent workflows, tool and API integrations, and simulation or scenario-planning…
Added 15 mins ago
C
Associate Director - GenAI Solution Architect
Cognizant
Somerset, NJ
- $140,000 to $160,000 USD / year
Leverage GitHub Copilot, Claude, and AI-assisted development tools to accelerate software delivery and improve developer productivity.
Added 15 mins ago
Software Engineer-III (Full Stack/API Integration)
TD Bank
Mount Laurel, NJ
The Software Engineer-III (Full Stack/API Integration) leads the creation of comprehensive end-to-end detailed solutions for projects and platforms with overall accountability for the…
Added 15 mins ago
OG
Web Developer
Oxford Global Resources, LLC
Bridgewater, NJ
- $19 USD / hour
…Design Web Services (REST/SOAP) Multimedia Content Development API's Experience in planning and delivering software platforms used across multiple products and organizational units Strong…
Added 15 mins ago
ZH
Senior Software Engineer
Zelis Healthcare, LLC
Morristown, NJ
- $15.92 USD / hour
Added 15 mins ago
FL
Senior Software Engineer/Developer - 2137714
FMR LLC
Jersey City, NJ
- $142,550 to $154,000 USD / year
…three (3) years of experience as a Senior Software Engineer/Developer (or closely related occupation) designing and developing Java-based scalable and high-performance applications…
Added 15 mins ago
B&
Senior Network Automation Engineer - AI/ML
Bucher & Christian Consulting Inc.
Jersey City, NJ
- $73.67 to $104.63 USD / hour
Added 15 mins ago
AT
Developer III
Auto Truck Group LLC
Trenton, NJ
- $105,050 to $149,700 USD / year
Experience in API development using .net Core & fast endpoints is a must
Added 15 mins ago
AT
Team Lead - Application Development
Auto Truck Group LLC
Trenton, NJ
- $105,050 to $149,700 USD / year
…Azure Function Apps, and Azure SQL, including orchestration of API-based ingestion and delivery…
Added 16 mins ago
TS
Principal Platform Engineer
Threatmodeler Software Inc.
Jersey City, NJ
- $177,000 USD / year
…internal customer success tools using AWS Lambda, DynamoDB, and API Gateway, ensuring seamless support operations. Integrate and maintain connectivity with ChurnZero and other customer…
Added 17 mins ago
MA
Senior Software Engineer – Mainframe COBOL, z/OS, CICS, JCL
Manufacturers and Traders Trust Co
Buffalo, NY
- $97,100 to $161,800 USD / year
Lead incremental modernization through API enablement (e.g., z/OS Connect), modularization, and secure integration with distributed and cloud platforms while preserving transactional…
Added 17 mins ago
Enterprise AI/Senior Principal-Data and Analytics -Business Consulting
Infosys
United States
AI engineering: Build data pipelines, API integrations, microservices and Python AI/ML solutions.
Added 17 mins ago
Director, Supply Chain Warehouse Architect
The Coca-Cola Company
Atlanta, GA
SAP S4 Hana baseline configuration in EWM and understanding of ASRS, AMR, AGV integration, communication protocols API, IDOC, Telegram, SD & P2P Integration, Waterfall and Agile…
Added 18 mins ago
Senior Technical Product Manager – Agent Evaluation & Observability
American Express
New York, NY · Phoenix, AZ · NY
Define product requirements for traces, events, diagnostic views and review tools that connect customer intent, tool or API calls and observed outcomes where data access permits.
Added 18 mins ago
Senior Technical Product Manager – Platform & Developer Experience
American Express
New York, NY · Phoenix, AZ · NY
6-8+ years of experience in product management, product development, software engineering, API or platform products, developer tools, or partner-enabled digital experiences.

Closed listing

Cognizant

Senior Mainframe CoolGen Developer

Madison, WI, United States

$55,350 to $82,000 USD / year

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Pay: $55,350 to $82,000 USD / year
Experience: 6–9 years of relevant experience in designing, developing, testing, maintaining, and supporting enterprise Mainframe applications .
Posting language: English
Posted: Nov 4, 2026

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Original job description

Archived listing. The details below describe a past opening.

About the role

We are looking for an experienced Senior Mainframe CoolGen Developer to design, develop, test, enhance, and support high-volume, reliable enterprise applications built on CA Gen/CoolGen and Mainframe technologies .

In this role, you will work with business-critical applications, contribute to technical design and modernization initiatives, resolve complex application and production issues, and collaborate with business, application, infrastructure, and cross-functional teams.

In this role, you will:

Design, develop, test, enhance, maintain, and support high-volume enterprise applications using CA Gen/CoolGen and Mainframe technologies .

Contribute to application design and technical standards for Mainframe and CA Gen solutions.

Assess legacy CA Gen applications for maintainability, scalability, performance, and modernization readiness.

Support technical design across database, interface, batch, online, and integration components.

Perform technical impact analysis, debugging, root-cause analysis, defect resolution, code reviews, and performance tuning.

Support batch processing activities, including job scheduling, dependency analysis, job-abend resolution, restart/recovery, and batch-cycle monitoring.

Contribute to modernization initiatives such as component rationalization, API enablement, re-platforming, and progressive replacement.

Support unit testing, system integration testing (SIT), user acceptance testing (UAT), release and deployment activities, and post-production validation.

Provide technical guidance to team members and support complex development and design decisions.

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 the United States . Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

6–9 years of relevant experience in designing, developing, testing, maintaining, and supporting enterprise Mainframe applications .

Strong hands-on experience in CA Gen/CoolGen application development , which is a must-have requirement for this role.

Strong technical proficiency in Mainframe technologies, including COBOL, JCL, DB2, CICS, TSO/ISPF, and VSAM.

Proven experience with application development, enhancements, maintenance, and production support of business-critical Mainframe applications.

Strong knowledge of DB2/SQL, including database queries, data analysis, troubleshooting, and performance optimization.

Experience with batch processing, including job scheduling, dependency analysis, abend resolution, restart/recovery, and batch-cycle monitoring.

Ability to perform technical impact analysis, debugging, root-cause analysis, defect resolution, and code reviews across CA Gen and Mainframe components.

Experience supporting unit testing, SIT, UAT, release/deployment activities, and post-production validation.

Strong analytical, troubleshooting, documentation, and communication skills, with the ability to collaborate effectively across business and technical teams.

Experience assessing legacy CA Gen applications for maintainability, scalability, and modernization readiness.

Exposure to modernization approaches such as component rationalization, API enablement, re-platforming, or progressive replacement.

These will help you stand out

Experience resolving complex performance and production issues across CA Gen and Mainframe applications.

Experience providing technical guidance on complex application development and design decisions.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Salary and Other Compensation

The annual salary for this position is between $55,350 to $82,000 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

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

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

About employer

More about this job

Skills

Debugging
Root cause analysis
Scheduling
Unit testing
ICT system integration
REST Assured
COBOL
JCL
IBM DB2
CICS
TSO
SQL
Data analysis
Troubleshooting
Documentation
Communication skills

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