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Senior Mainframe Developer Jobs in Ohio (NOW HIRING)

Wells Fargo

Senior Software Engineer-Hogan IDS

Columbus, OH

$118K - $156K/yr

Wells Fargo is seeking a Senior Software Engineer to lead design, development, integration, enhancements for Hogan IDS (Deposit System) in a regulated mainframe banking environment. This role owns ...

V2Soft

Sr Software Engineer

Strongsville, OH

$113K - $149K/yr

Our services span AI, IT staffing, cloud computing, engineering, mobility, testing, and more ... mainframe sources, including VSAM, flat files, COBOL copybooks, and DB2 Advanced SQL skills for ...

Starfish

Cybersecurity, Senior (ISSM)

Kettering, OH

$89K - $115K/yr

Our team provides superior research, development, and engineering services to the Federal ... legacy mainframe system. It provides a single repository of information for items centrally ...

Starfish

Cybersecurity, Senior (ISSM)

Kettering, OH

$89K - $115K/yr

Our team provides superior research, development, and engineering services to the Federal ... legacy mainframe system. It provides a single repository of information for items centrally ...

USM

Urgent Need Sr DB2 DBA LinkedIn id

Cincinnati, OH · On-site

... Engineering, Business Intelligence, Data Management, SOA, BPM, Data Warehousing, SharePoint ... This is a Sr. DB2 z/OS DBA (DB2 Mainframe) Lead position, responsible for supporting the ...

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How much do senior mainframe developer jobs pay per hour?

As of Jun 15, 2026, the average hourly pay for senior mainframe developer in Ohio is $54.81, according to ZipRecruiter salary data. Most workers in this role earn between $51.44 and $59.86 per hour, depending on experience, location, and employer.

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

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are some common challenges faced by Senior Mainframe Developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What are Senior Mainframe Developers?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.
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Senior Mainframe Developer jobs near you

Confluent Kafka Lead & Python Developer

ImagineX Consulting

Columbus, OH • On-site

$135K - $166K/yr

Full-time

Posted 25 days ago

Job description

ImagineX is a tech company that deploys AI-assisted teams to build and secure mission-critical enterprise solutions with our clients – spanning software, data, and AI. Structured like a software company, not a traditional consultancy, we blend deep technical expertise with authentic values, achieving world-class satisfaction (NPS 91). Our dedicated teams specialize in software, data, and AI across the U.S. and LATAM, bridging the gap between boutique agility and enterprise scale.

Executive Summary

We are seeking a high-caliber Senior Developer to serve as the Confluent Kafka Lead for our enterprise middleware initiatives. This critical role requires a specialized blend of deep expertise in the Confluent Kafka platform and robust Python development skills. You will be responsible for leading new Kafka work, architecting data streaming workflows, and building the essential microservices and connectors required to support a scalable, high-performance data ecosystem.  
This is a full-time role that requires in office collaboration 3 days per week located Downtown Columbus.  Key Responsibilities
  • Data Streaming Leadership: Direct the design and implementation of new Kafka-based initiatives, ensuring best practices for data streaming and event-driven architecture.
  • Microservices Development: Build and maintain scalable backend microservices using Python to support real-time data processing and system integration.
  • Kafka Ecosystem Management: Develop and configure custom Kafka Connectors and leverage Kafka Streams for complex data transformations and real-time analytics.
  • Workflow Optimization: Design and implement end-to-end data pipelines that ensure high availability, data integrity, and low latency across enterprise systems.
  • Technical Mentorship: Provide guidance to cross-functional teams on Kafka architecture, schema registry management, and Python development standards.
Required Technical Skills
  • Messaging Platforms: Extensive experience with Confluent Kafka, including Kafka Connect, Kafka Streams, KSQL, and Schema Registry.
  • Programming: Senior-level proficiency in Python for building backend services, automation scripts, and data processing engines.
  • Cloud & Infrastructure: Hands-on experience with major cloud platforms (AWS, Azure, or GCP) and containerization tools like Docker and Kubernetes.
  • Data Integration: Proven ability to build and deploy custom connectors and integrate diverse data sources (e.g., SQL/NoSQL databases, Mainframe systems) into Kafka clusters.
  • DevOps: Familiarity with CI/CD pipelines (Jenkins, GitLab, or ArgoCD) and Infrastructure-as-Code (Terraform) is highly preferred.
Professional Qualifications
  • 7+ years of experience in software development with at least 2 years in a technical lead or senior architectural capacity.
  • Strong background in Agile/Scrum methodologies and experience working in fast-paced, deadline-oriented environments.
  • Exceptional analytical and problem-solving skills, with a focus on building resilient and fault-tolerant systems.
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