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Added 9 mins ago
Software Engineer IV - ERP Finance (Oracle/PLSQL)
Charter Communicatio
Greenwood Village, CO
Added 9 mins ago
Senior Automated Test Engineer
Leidos
Englewood, CO
Develop and maintain automated API tests using Bruno and/or Postman to validate RESTful services, request/response payloads, authentication, error handling, and data integrity.
Added 9 mins ago
Software Engineer Level 2 or 3 (AHT)
Northrop Grumman
Aurora, CO
…of a larger organization that includes Systems Engineering, Integration, and Test staff as well as a Hardware Engineering unit. This larger organization influences cross-program…
Added 10 mins ago
DH
IS Business & EDI Analyst - Denver Health Medical Plan (Must Live in Colorado.
Denver Health
Denver, CO
- $83,800 to $130,000 USD / year
…and processing* SQL-based data analysis and triage* Vendor integration testing and validation* Technical documentation and change management* API - Integration Support as needed* Monitor…
Added 27 mins ago
Senior Routing Engine Developer (CX Platform)
Miratech
Remote, United States
We are looking for a Senior Routing Engine Developer to design and build the next generation interaction routing platform powering enterprise-scale contact center operation. You will…
Added 47 mins ago
Principle System Architect
CGI Technologies and Solutions, Inc.
Huntsville, AL
· Lead development of API architectures, interface definitions, platform integration points, and service boundaries
Added 47 mins ago
Senior QA Automation Engineer
CGI Technologies and Solutions, Inc.
Huntsville, AL
. Conduct API testing, interface testing, and microservice level integration validation
Added 47 mins ago
Sr. Full Stack Engineer
CGI Technologies and Solutions, Inc.
Huntsville, AL
CGI Federal is seeking a Full Stack Engineer – Senior to support application design, development, integration, and modernization for a major federal transformation program. This senior role…
Added 49 mins ago
TJ
Senior Software Engineer
Third-Party Job Posts
United States
- $140,000 to $180,000 USD / year
Experience with API-driven design, distributed systems, data modeling, and reliable service boundaries
Added 49 mins ago
TJ
Senior Software Engineer
Third-Party Job Posts
United States
- $140,000 to $180,000 USD / year
Experience with API-driven design, distributed systems, data modeling, and reliable service boundaries
Added 50 mins ago
Technical Support Engineer 2
Jobgether
Remote, United States
Familiarity with RESTful APIs, webhook troubleshooting, and common software integration patterns is an advantage.
Added 50 mins ago
Sr. Full Stack Software Engineer – AI Agents
Jobgether
Remote, United States
Frontend development experience with TypeScript and a modern component framework, including REST API integration, streaming responses, and authenticated sessions.
Added 1 hour ago
Software Development Engineer in Test (SDET)
Apex Systems, Inc
Okemos, MI
Job Description: This hands-on quality engineering position combines Playwright automation, API testing, SQL validation, exploratory testing, and targeted manual testing. Candidates must be…
Added 1 hour ago
Senior Full Stack Software Engineer – Java, Spring Boot & Angular
HTC Global Services Inc
Dearborn, MI
Contribute to the integration and evaluation of AI-enabled features, focusing on reliability, data protection, and responsible usage.
Added 1 hour ago
Generative AI Engineer
Apex Systems, Inc
Dearborn, MI
…development, backend engineering, cloud technologies, and data integration, with a particular focus on integrating Google large language models (LLMs) with BigQuery and enterprise data. Key…
Added 1 hour ago
Project Manager: PMO Tools (Jira)
Ford Motor Company
Dearborn, MI
Build and maintain data extraction and transformation processes using Power Query and M, including API-based Jira ingestion where applicable.
Added 1 hour ago
IT Automation Solution Architect
Henry Ford Health System
Detroit, MI
Experience with API development and integration. Knowledge of AI and ML technologies is a plus.
Added 1 hour ago
RHEL - Sr. Full Stack Engineer - ExPat
Lockheed Martin
Colorado Springs, CO · Colorado Springs
Utilize knowledge of software engineering, cybersecurity, system integration, and data management to ensure project deliverables meet overarching system requirements
Added 1 hour ago
J
Sr Backend Software Engineer I
Jobgether
Remote, United States
- $140,000 to $160,000 USD / year
Develop, execute, and validate unit and integration tests, applying Test-Driven Development (TDD) principles and collaborating with software testing teams to ensure product reliability.
Added 1 hour ago
J
Manager, Workday Integrations
Jobgether
Remote, United States
- $121,400 to $161,400 USD / year
Troubleshoot and resolve technical issues: Investigate integration failures, data transformation errors, API and web service issues, security configuration problems, and performance…
Added 1 hour ago
Senior Member of Technical Staff
Platform9 Systems
San Jose, CA
…familiar GUI experience for managing VMs and containers, seamless integration with your existing hardware and third-party storage, and critical enterprise features (HA/DR, scale,…
Added 2 hours ago
IT Developer - Full Stack
GuideWell
Jacksonville, FL
Write detailed technical specifications for subsystems. Identify integration points.
Added 2 hours ago
FT
Senior Software Engineer/Developer
Fidelity Technology Group, LLC
Jersey City, NJ
- $142,550 to $154,000 USD / year
…an Agile environment (Kanban and Scrum). Supports Continuous Integration and Continuous Delivery (CI/CD) using Kubernetes, Maven, Jenkins, Stash, Ansible, Splunk, and Docker. Performs…
Added 2 hours ago
Director, Full Stack Engineering
Fidelity Technology Group, LLC
Durham, NC
…creation of web applications, Application Programming Interface (API) services, and distributed systems using modern frameworks and cloud technologies (JSP, HTML, CSS/SASS, jQuery, Angular,…
Added 2 hours ago
Senior Software Engineer/Developer
Fidelity Technology Group, LLC
Westlake, TX
…HTML/CSS, and Java. Automates and deploys code using Continuous Integration/Continuous Deployment (CI/CD) tools, Git, Jenkins, and uDeploy. Builds and integrates HTTP-based Application…

Closed listing

Cognizant

Senior Mainframe CoolGen Developer

Boston, MA, United States

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

This opening has closed.

The original listing is kept below for reference.

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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.

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