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Senior Cobol Developer Jobs in Delaware (NOW HIRING)

Enexus Global

Sr Mainframe Developer

Wilmington, DE · On-site

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd ... Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2. Expertise in CICS Programming ...

enexusglobal

Sr Mainframe Developer

Wilmington, DE · On-site

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd ... Job Requirements: · Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2. · ...

Lorven Technologies

Sr. Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Hi, Our client is looking for a Sr. Mainframe Developer in Wilmington, DE location below is the ... Expertise in COBOL, JCL, VSAM, IMS, CICS & DB2. * Expertise in CICS Programming including knowledge ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Develops and implements solutions that ... Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2. Expertise in CICS Programming ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Years of experience required: 8+ Develops ... Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2. Expertise in CICS Programming ...

TekCommands Inc

Sr Mainframe Developer

Wilmington, DE · On-site

... COBOL, JCL, VSAM, IMS, CICS & DB2. · Expertise in CICS Programming including knowledge of CICS Screen Programming is Mandatory · Experience/Knowledge in building and maintaining new Test regions is ...

Keylent

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Role: Sr Mainframe Developer Location: Wilmington, DE Years of experience required: 8+ · Develops ... Job Requirements: · Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2. · ...

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Senior Cobol Developer information

See Delaware salary details

$42

$55

$73

How much do senior cobol developer jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for senior cobol developer in Delaware is $55.56, according to ZipRecruiter salary data. Most workers in this role earn between $49.81 and $61.11 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.

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

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Senior Cobol Developer jobs near you

Sr Mainframe Developer

Keylent

Wilmington, DE • On-site

Other

Posted 26 days ago

Job description

Sr Mainframe Developer with COBOL, JCL, VSAM, IMS, CICS & DB2, CICS Screen Programming, MQ Series & IMS DB 

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About Keylent

Sourced by ZipRecruiter

Keylent Inc, based in Wilmington, DE, US, operates in the dynamic IT services and solutions industry. Their official platform, keylent.com, further details their robust suite of services which primarily comprise software consulting, quality assurance, project management, and business intelligence. Keylent Inc has been an integral part of the industry since its inception, serving diverse clients with their specialized, innovative IT solutions. This customer-centric firm is founded on the core values of reliability, integrity, and zealous innovation. Their mission is to empower businesses in navigating the complex technological landscape with ease, efficiency, and confidence. Notably, Keylent Inc has been recognized for its commitment to exceptional service delivery and the profound impact of its solutions in facilitating business growth.

Industry

Internet and it

Company size

11 - 50 Employees

Headquarters location

Wilmington, DE, US

Year founded

2010

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