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Mainframes Developer Jobs in Philadelphia, PA (NOW HIRING)

Mainframe Engineer

Wilmington, DE ยท On-site

$47.50 - $61/hr

Mainframe Engineer Interview : 2 rounds of Interview Work Mode : 5 DAYS Work from office Skills : COBOL, IMSDB, IMSDC Location : Wilmington, DE Required Skills: * Programming Languages: Strong ...

Mainframe Developer

Wilmington, DE ยท On-site

$47.50 - $61/hr

Mainframe Developer Location: Wilmington, DE * Design, coding, and testing: Mainframe assemblers are responsible for designing, coding, and testing application programs using the IBM Assembler ...

Mainframe Developer

Wilmington, DE ยท On-site

$47.50 - $61.25/hr

Mainframe Developer Location: Wilmington, Delaware (Onsite) Job Type: Contract Responsibilities: Primary Skill: VSAM, COBOL, DevOps * Design, code, test, and maintain mainframe applications using ...

Mainframe Developer

Wilmington, DE ยท On-site

$47.50 - $61.25/hr

Mainframe Developer - Day 1 Onsite Location: Wilmington, DE & Jersey City, NJ (Weekly 5 days office is Must) Duration: 12+ Months Contract Skills: COBOL, JCL, CICS, IMS DB, VSAM Key Responsibilities:

Senior COBOL /Mainframe Developer

Trenton, NJ ยท On-site

$49.25 - $63.25/hr

Senior COBOL /Mainframe Developer Location: Trenton, NJ (On site) Position Type: Contract In Person interview *Local Candidates only. Candidates should have strong background in Cobol, ADABAS, and ...

Mainframe Developer

Malvern, PA ยท On-site

$48 - $61.75/hr

Our client is currently seeking a Mainframe Developer 1+ Year Contract Opportunity Malvern, PA (hybrid--onsite Tuesdays, Wednesdays, and Thursdays) Responsibilities Design, develop, maintain, and ...

Mainframe Developer

Wilmington, DE ยท On-site

$47.50 - $61.25/hr

Mainframe Developer Wilmington DE Experience: 8+ Years All over USA Mandatory Skills- * COBOL, MQ, JCL, DB2, CICS, VSAM * Working on enterprise-wide applications, Agile methodologies Process Skills:

Mainframe Developer

Wilmington, DE ยท On-site

$47.50 - $61.25/hr

Mainframe Developer Location : Wilmington DE Job Type: Contract/W2 Experience: 8+ Years Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile methodologies ...

Mainframe Developer

Wilmington, DE ยท On-site

$47.50 - $61.25/hr

Job Title: Mainframe Developer Location : Wilmington DE Job Type: W-2/Full Time Required Skills: * Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile ...

* Job Title: Sr. Mainframe Developer Location: Hybrid (Minimum 3 Days Onsite) - Wilmington, DE 19803 Tax Term (W2, C2C): W2 Job Type (Permanent/Contract): Contract Duration: Long Term Open Description:

Mainframe IMS and CICS

Wilmington, DE ยท On-site

$47.50 - $61.25/hr

Mainframe Developer - IMS and CICS Location : Wilmington, DE Onsite - Relocation from nearby states only Duration : Long term contract Required Skills: * Programming Languages: Strong proficiency in ...

Mainframe Developer

Wilmington, DE ยท On-site

$47.50 - $61.25/hr

Job Title: Mainframe Developer Location : Wilmington DE Experience - 8+ - 5 Days Onsite MF JD: Mandatory Skills- COBOL, MQ, JCL, DB2, CICS, VSAM Working on enterprise-wide applications, Agile ...

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Mainframes Developer information

See Philadelphia, PA salary details

$48.4K

$112.9K

$167.5K

How much do mainframes developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for mainframes developer in Philadelphia, PA is $112,861.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,800.00 and $131,200.00 per year, depending on experience, location, and employer.

What does a Mainframes Developer do?

A Mainframes Developer designs, codes, tests, and maintains applications running on mainframe systems, primarily using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of legacy systems, often working with tools such as JCL and DB2, and may collaborate with system administrators and analysts to support business operations.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the continued use of mainframe technology for critical applications. However, the number of new positions is gradually decreasing as organizations modernize their IT infrastructure.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What job categories do people searching Mainframes Developer jobs in Philadelphia, PA look for? The top searched job categories for Mainframes Developer jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Mainframes Developer jobs? Cities near Philadelphia, PA with the most Mainframes Developer job openings:
Infographic showing various Mainframes Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 75% Full Time, 9% Part Time, 1% Temporary, and 15% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $112,861 per year, or $54.3 per hour.

Data Developer (Mainframe)

Inteletech Global, Inc.

Malvern, PA โ€ข On-site

$48 - $61.75/hr

Other

Re-posted 9 days ago


Job description

Job Title: Data Developer (Mainframe)
Location: Malvern, PA (Hybrid and Local candidates required)
Visa: GC, USC or H4 EAD
Job Description:

Responsibilities
A Mainframe Developer required in developing and maintaining applications on mainframe systems, typically using languages like COBOL, JCL, and CICS.
Strong knowledge of DB2. What are the key responsibilities of a Mainframe Developer in Defect Squad
Key responsibilities will include coding, testing, debugging, and maintaining mainframe applications, resolving data defects as well as collaborating with other product teams to ensure system performance.
Qualifications:
Skills required include proficiency in COBOL, JCL, CICS, DB2, problem-solving abilities, and experience with mainframe tools and utilities.
Creating high-performance, mission-critical applications Analyzing user requirements and developing software solutions
Ensuring software applications meet all performance and security requirements
Working with other developers to create high-performance, scalable applications
Researching new technologies and software development trends Providing technical support and troubleshooting
Writing technical documentation