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Senior Cobol Developer Jobs in Colorado (NOW HIRING)

Jobtailor

Senior Software Engineer - Mainframe

Denver, CO · On-site

$85 - $125/hr

Leverage and build knowledge of software developer tools to create, debug, and maintain code for ... Development experience in COBOL, JCL, ISPF required * Development experience on MVS/OS 390 batch ...

Visa

Sr. SW Engineer - Mainframe

Denver, CO · On-site

$126K - $166K/yr

As a Senior Software Engineer on the MVS Offline Development team you will be responsible and ... The successful candidate will have a strong MVS, COBOL, JCL, PROCs programming background, proven ...

Accenture

Mainframe Specialist

Denver, CO

$70K - $196K/yr

Collaborate with senior leadership to secure executive sponsorship and organizational buy-in for ... COBOL, JCL, VSAM, CICS, DB2, Assembler, REXX, SPUFI, TSO/ISPF, or RACF. * Minimum 3+ years leading ...

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Senior Cobol Developer information

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$44

$58

$77

How much do senior cobol developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for senior cobol developer in Colorado is $58.37, according to ZipRecruiter salary data. Most workers in this role earn between $52.31 and $64.18 per hour, depending on experience, location, and employer.

What is a senior COBOL developer?

Senior COBOL Developers are experienced software engineers who specialize in developing, maintaining, and optimizing applications using the COBOL programming language. They typically work on legacy systems for industries such as banking, insurance, and government, where COBOL remains vital for large-scale transaction processing. In addition to coding, they are often responsible for system analysis, troubleshooting, mentoring junior developers, and ensuring the continued reliability and performance of mission-critical applications. Their expertise is essential for organizations seeking to modernize or integrate old COBOL systems with newer technologies.

What are the key skills and qualifications needed to thrive as a senior COBOL developer?

To thrive as a Senior Cobol Developer, you need deep expertise in COBOL programming, legacy system integration, and experience with mainframe environments, typically supported by a degree in computer science or a related field. Familiarity with IBM mainframe tools (such as z/OS, JCL, DB2), version control systems, and sometimes certifications like IBM Certified System Programmer are commonly required. Strong analytical thinking, problem-solving abilities, and effective communication are vital soft skills for managing complex codebases and collaborating with cross-functional teams. These skills ensure the ongoing stability, modernization, and efficient maintenance of critical enterprise systems.

How does a senior COBOL developer typically collaborate with cross-functional teams in a modern enterprise environment?

As a Senior Cobol Developer, you will often work closely with business analysts, quality assurance testers, and project managers to translate business requirements into robust mainframe solutions. Collaboration frequently involves participating in code reviews, coordinating integration with newer technologies, and providing technical guidance to junior developers. Effective communication is essential, as you'll need to explain legacy system constraints and propose modernization strategies that align with organizational goals. This cross-functional teamwork ensures that COBOL applications continue to meet evolving business needs while maintaining reliability.

What is the difference between Senior Cobol Developer vs Cobol Programmer?

AspectSenior Cobol DeveloperCobol Programmer
Required CredentialsBachelor's degree, experience, possibly certificationsTypically entry-level or less experience, basic knowledge
Work EnvironmentTeam projects, design, and architecture involvementCode writing, debugging, maintenance
Employer & Industry UsageFinancial, government, large enterprisesSame industries, often entry-level roles
Search & Comparison IntentUnderstanding senior roles, responsibilities, salaryEntry-level position details, skills required

The main difference between a Senior Cobol Developer and a Cobol Programmer lies in experience, responsibilities, and scope. Senior Cobol Developers typically lead projects, design solutions, and mentor junior staff, while Cobol Programmers focus on coding and debugging tasks. Both roles are common in financial and government sectors, but the senior role requires more experience and a broader skill set.

What are the most commonly searched types of Cobol Developer jobs in Colorado?

The most popular types of Cobol Developer jobs in Colorado are:

What are popular job titles related to Senior Cobol Developer jobs in Colorado?

For Senior Cobol Developer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Senior Cobol Developer jobs in Colorado look for?

The top searched job categories for Senior Cobol Developer jobs in Colorado are:

What cities in Colorado are hiring for Senior Cobol Developer jobs?

Cities in Colorado with the most Senior Cobol Developer job openings:

What are popular job titles related to Senior Cobol Developer jobs in CO?

For Senior Cobol Developer jobs in CO, the most frequently searched job titles are:

Senior Cobol Developer jobs near you
Infographic showing various Senior Cobol Developer job openings in Colorado as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, 1% Temporary, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $121,405 per year, or $58.4 per hour.

Senior Software Engineer - Mainframe

Jobtailor

Denver, CO • On-site

$85 - $125/hr

Other

Posted 5 days ago

Job description

  • Collaborate with stakeholders to interpret requirements for project components and incorporate feedback into future designs or solution fixes.
  • Translate business requirements by verifying assumptions and escalating potential design issues to appropriate stakeholders.
  • Contribute to project estimation and upscale issues that may cause delays.
  • Develop, implement, and maintain code for products, services, or components, applying coding patterns, guidelines, and best practices.
  • Apply debugging tools to verify assumptions and proactively flag issues before they occur.
  • Participate in code reviews to ensure coding standards are followed and address routine pull requests.
  • Manage end-to-end lifecycle of application enhancements by working with architects, systems analysts, project managers, QA and other developers to successfully implement projects.
  • Leverage and build knowledge of software developer tools to create, debug, and maintain code for components.
  • Prepare technical documents, develop code, review code, build environment, review test results, and prepare plan for implementation.
  • Identify opportunities for future enhancements and refinements to standards, best practices and development methodologies.
Requirements
  • Master's degree in Math, Science, Engineering, or Computer Science, Information Systems or related field
  • OR Bachelor's degree in Math, Science, Engineering, or Computer Science, Information Systems or related field AND minimum two (2) years of experience in a directly related field
  • OR Minimum five (5) years of directly related experience.
  • Development experience in COBOL, JCL, ISPF required
  • Development experience on MVS/OS 390 batch application required
  • Development experience using ESP, CA7 or another scheduling software
  • Development experience using FILE-AID
  • Development experience with Connex/Advantage settlement application or equivalent
  • Development experience with a Settlement/Reporting application in the Financial sector
  • Ability to solve complex software development/design issues
  • Ability to write clean, coherent code following established coding guidelines
  • Strong analytical and problem-solving skills
  • Good knowledge of EFT settlement and transaction processing
  • Hands-on knowledge of Artificial Intelligence (AI) and Large Language Models (LLM) is highly desirable.
Core Competencies

Demonstrates expertise in COBOL, JCL, and MVS/OS 390 batch application development, with a strong focus on coding best practices and debugging. Proficient in managing application enhancements and collaborating with cross-functional teams in the financial sector.

Highest-signal resume keywords
  • COBOL Development
  • MVS/OS 390 Batch Application Development
  • EFT Settlement Knowledge
  • Analytical Problem-Solving
  • Artificial Intelligence (AI) Knowledge
Hard Skills
  • COBOL
  • JCL
  • ISPF
  • ESP
  • CA7
  • FILE-AID
  • Connex/Advantage
  • Settlement Application Development
  • Transaction Processing
  • Coding Guidelines
Soft Skills
  • Analytical Skills
  • Problem-Solving Skills
Industry Keywords
  • Financial Sector
  • EFT Settlement
  • Transaction Processing
  • Software Development
  • Development Methodologies
Tools & Technologies
  • Scheduling Software
  • Debugging Tools
  • Software Developer Tools
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