Mainframe Software Developer Jobs in USA

Full-timeDescriptionKanawha Scales and Systems is seeking an experienced and detail-oriented C#/.NET Software Developer to join our dedicated team in Poca WV. The ideal candidate will be responsible for developing maintaining and customizing our software solutions to meet the specific needs of our c...

Job Title: Salesforce Software DeveloperLocation: Fairfax / Tampa / DalevilleClearance Required: Minimum of a NACIPlateau GRP is seeking a Salesforce Software Developer to support a platform by building custom features and integrations. This role requires hands-on experience with Apex Lightning Web...

Position Description:CGI Federal has an exciting opportunity for a Jr. Software Developer within our Air Force & Intel sector advancing the national security mission through cutting-edge technology. We are seeking individuals with a passion for keeping pace with rapidly evolving technology advanceme...

SummaryJoin Aperia Solutions a leader in SaaS solutions for the Payments and Compliance industries. Aperia is a Texas-based fintech and managed consultancy firm that creates custom SaaS applications and other software-based solutions for the payments banking and processing industry. Founded in 1999...

Application Deadline:11/07/2025Address:320 S Canal StreetJob Family Group:TechnologyPlease note this is a full-time (40 hours per week) internship role based out of Chicago IL (hybrid - location requires candidate to work on-site in Chicago IL). Only students currently enrolled in an academic progra...

Expert Software Developer We are seeking an Expert Software Developer to join an innovative state-level technology project with NYS ITS. You will play a key role in building and optimizing the Universal LIMS Sampling Application a critical system used for laboratory information management and di...

Position Details: Position: Software Developer Location: Herndon VA (Onsite) Duration: Full-time Clearance: Active TS/SCI with Full Scope Polygraph (FSP) We are seeking a talented and experienced Full Stack Developer to join our dynamic team. The successful candidate will work on-site in an Ag...

Job Title: Specialized Software Developer III (Senior) Location: Onsite Dallas TX and Boston MA (TX Preferred) Duration: 6-12 Months MOI: Video Follows company software development lifecycle to design code configure test debug and document system and application programs. Assists in preparing tec...

Role: Mainframe Software Development Specialist Location: Jersey City NJ Westlake TX (Onsite) Type: Contract We have a Mainframe Engineer/Developer opening that represents an outstanding opportunity to further develop an individuals career in technology by supporting our business partners to ensu...

Job Title: Mainframe Developer Location: Omaha NE (Onsite) Responsibilities: Design code test and debug mainframe programs using COBOL JCL DB2 and CICS. Perform system analysis troubleshooting and performance tuning. Work with cross-functional teams to define requirements and deliver solutions....

Leidos High Fidelity Simulation Business Area designs and delivers cutting-edge system-of-systems solutions that power world-class simulation training and analysis products for the U.S. Navy.In this role based at a U.S. Government facility in Bethesda MD you will work with state-of-the-art technolog...

About ConvatecPioneering trusted medical solutions to improve the lives we touch: Convatec is a global medical products and technologies company focused on solutions for the management of chronic conditions with leading positions in Advanced Wound Care Ostomy Care Continence Care and Infusion Care....

DescriptionScientific Research Corporation (SRC) is seeking a Salesforce Software Developer to join our Cloud Service Integration Team (CSIT) in support of Department of Defense (DoD) initiatives. This role focuses on building custom features and integrations for multiple mission-critical systems.Jo...

Company Overview:Macalogic is a company with broad competencies based on over a decade of experience working in the federal arena. We are a Woman-Owned SBA-certified Small Business and an Economically Disadvantaged Woman-Owned Small Business (EDWOSB). We provide business consulting services to gover...

Job PurposeThe ideal candidate will be a member of the Software Development team collaborating with other programmers to create software that meets the needs of the company and its clients. As you develop your skills you will become a key member of our team executing projects for some of the worlds...

Leidos High Fidelity Simulation Business Area designs and delivers cutting-edge system-of-systems solutions that power world-class simulation training and analysis products for the U.S. Navy.In this role based at a U.S. Government facility in Bethesda MD you will work with state-of-the-art technolog...

Every day Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit debit prepaid and merchant services. Our worldwide team helps over 3 million companies more than 1300 financial institutions and over 600 million cardho...

Are you a proven software developer with a passion for mentorship and close collaboration Join Kinsale Insurance a fast-growing and successful Excess and Surplus lines insurance company headquartered in Richmond VA. We foster a highly collaborative technology environment where developers work side b...

OverviewThe Operations Accounting team is responsible for a proprietary Operational platform that supports Back Office functions for the firms NET CAP and Regulatory reporting obligations. They are also focused on maintaining platforms that support our Accounting & Tax workflow automation processes....

OverviewThe Operations P&L team is responsible for a suite of systems that provide daily firm-wide profit/loss and net worth reporting for senior management. Over the past several years we have begun rewriting our entire infrastructure in order to streamline and optimize our operations processes. As...