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Cobol Developer Jobs in Connecticut (NOW HIRING)

nLeague

Mainframe Systems Programer

Hartford, CT · On-site

$55.50 - $70.50/hr

... Developer Location: Hybrid- 55 Farmington Avenue Hartford, Connecticut Client: CT DSS Duration: 06 ... Perform COBOL program analysis and code modifications to support data extraction, transformation ...

Polar IT Services

ETL Developer

Hartford, CT · On-site +1

$51.50 - $67.25/hr

Job Title: ETL Developer Location: Hartford, CT, hybrid schedule Length: 12 months+ Visa: H4 EAD ... This person must have strong experience and understanding of COBOL and mainframe systems, they will ...

InstantServe LLC

Mainframe Systems Programmer

Hartford, CT · On-site

$55.50 - $70.50/hr

... Developer. * Strong hands-on experience with: * COBOL * JCL (Job Control Language) * IMS Database * Mainframe Development and Support * Experience performing data extraction, conversion, migration ...

ICONMA

Mainframe IT Project Manager

Hartford, CT

$99K - $117K/yr

... Programming Tools System Design Qualifications Mainframe background leveraging Cobol and Endeavor, partners with GSO team that is scaled based on demand; GSO engagement is leveraging the Project ...

Sonsoft Inc

IBM Maximo (GC--USC)Berlin, CT

Berlin, CT · On-site

At least 2 years of experience in Maximo Package Knowledge, BIRT reporting tool Configuration, Java Programming Knowledge, PL/SQL Programming. * At least 2 years of experience IBM Maximo technical ...

CVS Health

Staff Software Development Engineer

Hartford, CT · On-site +1

$118K - $260K/yr

Position Summary As a Staff Software Development Engineer at CVS Health, you will be responsible ... COBOL, JCL, CICS, DB2, SQL, MQ, Xpeditor, Endevor or similar source control application * Systems ...

FAVARH

IT Manager

Windsor, CT

$94K - $116K/yr

Working with Programming Languages including Java, .Net, Microfocus COBOL, and Informatica. Applying knowledge of Databases such as DB2, UDB, Oracle or MySQL. Applying knowledge of operating systems ...

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How much do cobol developer jobs pay per hour?

As of Jul 31, 2026, the average hourly pay for cobol developer in Connecticut is $52.81, according to ZipRecruiter salary data. Most workers in this role earn between $45.96 and $62.21 per hour, depending on experience, location, and employer.

What is a COBOL Developer?

A COBOL Developer is a software programmer who specializes in using the COBOL (Common Business-Oriented Language) programming language to design, develop, maintain, and troubleshoot business applications. COBOL is a legacy language primarily used in mainframe computing environments, common in industries like banking, insurance, and government. COBOL Developers often work on updating, maintaining, or migrating older systems that are critical to business operations. Their responsibilities may also include analyzing existing code, optimizing performance, and ensuring systems comply with current regulatory and security standards.

What is the difference between Cobol Developer vs Mainframe Developer?

AspectCobol DeveloperMainframe Developer
Required CredentialsProficiency in COBOL, JCL, DB2Proficiency in COBOL, JCL, DB2, and mainframe tools
Work EnvironmentLegacy systems, mainframe environmentsMainframe systems, enterprise IT infrastructure
Employer & Industry UsageFinancial, insurance, government sectorsFinancial institutions, government agencies, large enterprises
Common Search & ComparisonOften compared for mainframe roles involving COBOLBroader role including system administration and maintenance

While both roles involve working with mainframe systems and COBOL, a Cobol Developer primarily focuses on coding and maintaining COBOL applications. A Mainframe Developer may handle a wider range of tasks, including system setup, maintenance, and integration within mainframe environments. The roles often overlap, but Cobol Developers are more specialized in application development.

What are some of the common challenges Cobol Developers face when working with legacy systems?

Cobol Developers often encounter challenges related to maintaining and upgrading legacy systems, such as limited documentation, outdated hardware, and code that was written decades ago by other programmers. Integrating Cobol-based applications with modern technologies and platforms can also require creative problem-solving and strong analytical skills. Collaboration with business analysts and IT teams is essential to accurately translate current business needs into the existing codebase while ensuring system stability and data integrity.

What Does a Cobol Developer Do?

COBOL stands for Common Business-Oriented Language. It is a programming language used in business applications. A COBOL developer works on developing applications using this programming language that operate on an organization's mainframe computers. Businesses use COBOL for large tasks, such as transaction and batch processing. As a COBOL developer, your responsibilities include coding new programs using COBOL or assessing and upgrading existing programs and applications to meet business needs and objectives.

What are the key skills and qualifications needed to thrive as a Cobol Developer, and why are they important?

To thrive as a Cobol Developer, you need strong programming skills in COBOL, a solid understanding of mainframe environments, and experience with legacy systems, often supported by a degree in computer science or related field. Familiarity with tools like IBM z/OS, JCL, DB2, and transaction processing systems is typically required, along with knowledge of version control systems. Analytical thinking, attention to detail, and effective communication help developers troubleshoot issues and collaborate with teams maintaining critical enterprise applications. These skills and qualities are essential to ensure the reliability and modernization of core business systems that depend on COBOL.
More about Cobol Developer jobs
What are the most commonly searched types of Cobol Developer jobs in Connecticut? The most popular types of Cobol Developer jobs in Connecticut are:
What are popular job titles related to Cobol Developer jobs in Connecticut? For Cobol Developer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Cobol Developer jobs in Connecticut look for? The top searched job categories for Cobol Developer jobs in Connecticut are:
What are popular job titles related to Cobol Developer jobs in CT? For Cobol Developer jobs in CT, the most frequently searched job titles are:
Cobol Developer jobs near you
Infographic showing various Cobol Developer job openings in Connecticut as of July 2026, with employment types broken down into 1% Locum Tenens, 3% Internship, 81% Full Time, 1% Part Time, 11% Contract, and 3% Nights. Highlights an 78% Physical, 3% Hybrid, and 19% Remote job distribution, with an average salary of $109,850 per year, or $52.8 per hour.

Information Technology_USA - USA_Developer

Real Soft, Inc.

Hartford, CT • On-site, Remote

$50.75 - $68.50/hr

Contractor

Re-posted 3 days ago

Job description

**Please strictly adhere to the following resume naming convention:
ALL CAPS, NO SPACES BETWEEN UNDERSCORES
PTN_US_GBAMSREQID_CandidateBeelineID
Example: PTN_US_9999999_SKIPJOHNSON0413
: -
MSP Owner: Michelle Lee
Location: Hartford, CT/Remote
Duration: 6 months
skill id: 10725290
Key Responsibilities
Develop and maintain mainframe applications using:
COBOL
JCL
CICS
VSAM
on IBM mainframe systems.
Perform end-to-end development in COBOL on z/OS.
Utilize AI Copilot tools to assist with COBOL code documentation and modernization efforts.
Support and enhance existing mainframe applications while ensuring system stability and performance.
Collaborate with cross-functional teams to meet project and operational requirements.
Required Skills & Qualifications
Strong experience with IBM mainframe application development.
Hands-on expertise in:
COBOL
JCL
CICS
VSAM
Experience working with DB2, including associated daemon processes.
Exposure to or experience with the Unisys platform.
Familiarity with using AI-powered tools (Copilot) in a mainframe development context.
Strong analytical and problem-solving skills.
Essential Skills
Mainframe development using AI Copilot.
COBOL-based application enhancement and documentation.
Skills Classification
Mainframe DB2 - Application Development
System i / COBOL-400
Experience Required: 4-6, Project Code :

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