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OS Connect API Engineer(C1/C2)_Onshore Work site: Columbus, US (Onsite) Start date: Immediate availability. Role Summary The z/OS Connect API Engineer is responsible for modernizing mainframe ...
Columbus, OH · On-site
$110K - $132K/yr
OS Connect API Engineer(C1/C2)_Onshore Work site: Columbus, US (Onsite) Start date: Immediate availability. Role Summary The z/OS Connect API Engineer is responsible for modernizing mainframe ...
Lewis Center, OH · On-site
$46.50 - $60/hr
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$46.50 - $60/hr
Mainframe Developer Location : Columbus, OH Exp: 8+ Yrs RTTO - 5 Days Onsite Expert knowledge on ... Thorough understanding of the software development lifecycle. Outstanding written/verbal ...
Columbus, OH · On-site
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Columbus, OH · On-site
$50 - $68.75/hr
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Marysville, OH · On-site
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Marysville, OH · On-site
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Collaborate with business, integration, data, and technical teams to ensure successful delivery ... Bachelor's degree in Engineering, Computer Science, Supply Chain, or a related field.
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Mclean, VA · On-site
$90 - $120/hr
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Mclean, VA · On-site
$90 - $120/hr
BT-338 - Data & Software Engineer Skill Level: Mid-SME Location: McLean, VA (fully on-site, no remote option) Please do NOT apply if you do not have an active Poly clearance. Those without a Poly ...
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Mclean, VA · On-site
$115K - $139K/yr
The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...
Mclean, VA · On-site
$115K - $139K/yr
The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...
Chicago, IL · On-site
$118K - $141K/yr
We are seeking a Data & Software Engineer to join our rapidly growing product and engineering development team. Our company specializes in enterprise-level media measurement and optimization across ...
Chicago, IL · On-site
$118K - $141K/yr
We are seeking a Data & Software Engineer to join our rapidly growing product and engineering development team. Our company specializes in enterprise-level media measurement and optimization across ...
Minneapolis, MN · On-site
$119K - $143K/yr
We are seeking a Data & Software Engineer to join our rapidly growing product and engineering development team. Our company specializes in enterprise-level media measurement and optimization across ...
Minneapolis, MN · On-site
$119K - $143K/yr
We are seeking a Data & Software Engineer to join our rapidly growing product and engineering development team. Our company specializes in enterprise-level media measurement and optimization across ...
Minneapolis, MN · On-site
$119K - $143K/yr
They are seeking a Data & Software Engineer to join their product and engineering development team, responsible for creating, optimizing, and maintaining scalable software and data solutions.
Minneapolis, MN · On-site
$119K - $143K/yr
They are seeking a Data & Software Engineer to join their product and engineering development team, responsible for creating, optimizing, and maintaining scalable software and data solutions.
Sunnyvale, CA · On-site
$65.50 - $86.50/hr
Big Data Software Engineer Job Details This position is to perform software engineering (programming) tasks with a small team to enhance a promising Retail Engagement Analytics product to expand the ...
Sunnyvale, CA · On-site
$65.50 - $86.50/hr
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Annapolis Junction, MD · On-site
$117K - $140K/yr
Shield Consulting Solutions, Inc. is seeking a Data Software Engineer with an active TS/SCI w/Polygraph clearance. The role involves developing, maintaining, and enhancing complex software systems ...
Annapolis Junction, MD · On-site
$117K - $140K/yr
Shield Consulting Solutions, Inc. is seeking a Data Software Engineer with an active TS/SCI w/Polygraph clearance. The role involves developing, maintaining, and enhancing complex software systems ...
Krakow, WI · On-site
$184 - $276/hr
We're looking for a Senior Software Engineer who views data through the lens of high-quality software engineering. You will design sophisticated data architectures and implement rigorous best ...
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Krakow, WI · On-site
$184 - $276/hr
We're looking for a Senior Software Engineer who views data through the lens of high-quality software engineering. You will design sophisticated data architectures and implement rigorous best ...
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Mclean, VA · On-site
$115K - $139K/yr
Overview VTG is seeking a Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills ...
Mclean, VA · On-site
$115K - $139K/yr
Overview VTG is seeking a Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills ...
Norfolk, VA · On-site
$110K - $133K/yr
Ability to collaborate in hybrid teams, working alongside Data Scientists to productionize models and other Software Developers to integrate features. Preferred: * Ability to write modular Python ...
Norfolk, VA · On-site
$110K - $133K/yr
Ability to collaborate in hybrid teams, working alongside Data Scientists to productionize models and other Software Developers to integrate features. Preferred: * Ability to write modular Python ...
Norfolk, VA · On-site
$110K - $133K/yr
Ability to collaborate in hybrid teams, working alongside Data Scientists to productionize models and other Software Developers to integrate features. Preferred: * Ability to write modular Python ...
Norfolk, VA · On-site
$110K - $133K/yr
Ability to collaborate in hybrid teams, working alongside Data Scientists to productionize models and other Software Developers to integrate features. Preferred: * Ability to write modular Python ...
Chantilly, VA · On-site
$117K - $140K/yr
The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...
Chantilly, VA · On-site
$117K - $140K/yr
The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...
Mclean, VA · On-site
$150K - $250K/yr
The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...
Mclean, VA · On-site
$150K - $250K/yr
The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...
San Diego, CA · On-site
$148K - $183K/yr
... GPU data pipelines Debug rendering issues (flickering, precision differences, GPU/CPU ... apolis
San Diego, CA · On-site
$148K - $183K/yr
... GPU data pipelines Debug rendering issues (flickering, precision differences, GPU/CPU ... apolis
Falls Church, VA · On-site
$122K - $146K/yr
NS2 Mission is seeking a Data & Software Engineer to support the team in McLean, VA. The role involves designing, developing, and maintaining scalable data pipelines and software solutions to support ...
Falls Church, VA · On-site
$122K - $146K/yr
NS2 Mission is seeking a Data & Software Engineer to support the team in McLean, VA. The role involves designing, developing, and maintaining scalable data pipelines and software solutions to support ...
What is it like to work at Apolis?
What makes Apolis an attractive place to work?
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Role Name: OS Connect API Engineer(C1/C2)_Onshore
Work site: Columbus, US (Onsite)
Start date: Immediate availability.
Role Summary
The z/OS Connect API Engineer is responsible for modernizing mainframe services through API enablement using IBM z/OS Connect. This role bridges traditional CICS/COBOL systems with modern API and cloud-native architectures while enabling secure, scalable, and reusable integration capabilities.
Key Responsibilities
Develop REST APIs using IBM z/OS Connect.
Expose CICS and DB2 transactions through modern API contracts.
Build and maintain API service definitions, mappings, and YAML configurations.
Develop OpenAPI specifications aligned with enterprise standards.
Configure and support JWT, OAuth2, OIDC, RACF, and certificate-based authentication.
Implement CI/CD deployment pipelines using GitHub Actions and Gradle.
Support integration with APIM as the enterprise API gateway.
Troubleshoot performance, security, and connectivity issues.
Develop onboarding templates and reusable API accelerators.
Participate in mainframe modernization initiatives and Shadow Service migration efforts.
Required Skills
IBM z/OS Connect
REST APIs
OpenAPI
JSON/XML
CICS
COBOL
DB2
RACF
GitHub
CI/CD
Preferred Skills
APIM
Java
Spring Boot
OAuth2/OIDC
Mainframe modernization programs
BM z/OS Connect
