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Mainframe Developer Jobs in Seattle, WA (NOW HIRING)

Role: Software Developer Location: Snoqualmie, WA - 4-6 years Application Development Experience including the skills outline below - Unix, Redhat preferred, light admin experience - Shell ...

Technology Developer Location: Seattle, WA(Onsite) Job Type: Full Time Must Have : Python, PowerShell, Bash, Java, JavaScript, Power Automate, GitLab Good to have : LowCode/No Code, Blue Prism ...

As part of our IT team the Software Developer is responsible for creating new software products while updating and maintaining existing products to enable Novinium to maintain its technological edge.

Senior Software Developer

Columbia, WA

$66.50 - $88/hr

At Whitespace, Software Developers are responsible for designing and implementing the solutions to our clients challenges. As a software developer, you will be working with a team of peers in a ...

Sr. Developer Experience Engineer, Kiro

Seattle, WA · Remote

$62 - $82/hr

We're looking for developer experience engineers who want to shape this transformation by ensuring developers are successful with Kiro by working with developers in various social channels (eg ...

Sr. Developer Experience Engineer, Kiro

Seattle, WA · Remote

$62 - $82/hr

We're looking for developer experience engineers who want to shape this transformation by ensuring developers are successful with Kiro by working with developers in various social channels (eg ...

The Developer Tools team builds the critical software layer for the quantum ecosystem. In this role, you will help shape an ecosystem of tooling that turns high-level quantum circuits into optimized ...

Working alongside our CTO and senior engineers, you will contribute to the development of our Strata47 IoT platform and play an active role in technical projects that drive digital advantage across ...

Software Developer

Monroe, WA · On-site

$110K - $150K/yr

Working alongside our CTO and senior engineers, you will contribute to the development of our Strata47 IoT platform and play an active role in technical projects that drive digital advantage across ...

Sr. Developer Experience Engineer, Kiro

Seattle, WA · On-site

$62 - $82/hr

We're looking for developer experience engineers who want to shape this transformation by ensuring developers are successful with Kiro by working with developers in various social channels (eg ...

Software Developer

Monroe, WA · On-site

$110K - $150K/yr

We are seeking a skilled Software Developer to design and implement customer-focused software solutions for Omni CleanAir and across the Silver Falls Capital portfolio of manufacturing companies.

Senior Software Engineer - Developer Tools

Bothell, WA · On-site

$61 - $80.50/hr

The Developer Tools team builds the critical software layer for the quantum ecosystem. In this role, you will help shape an ecosystem of tooling that turns high-level quantum circuits into optimized ...

Sr. .Net Developer

Redmond, WA · On-site

$62 - $81.75/hr

Role: Dot net with Azure Developer Must: .net, C# and Azure platform services Location: Redmond, WA Skills: Cloud Services, Azure SQL, Cosmos DB, Messaging. Responsibilities: As an Engineer you will ...

Sr. Developer

Redmond, WA

$61 - $80.75/hr

Position: Sr. Developer Location: Redmond, WA Duration: 6 Months + Description: Seeking a Sr. Developer who can work independently on project deliverables. Skills Required: * 7+ Years of experience ...

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Mainframe Developer information

See Seattle, WA salary details

$11

$60

$82

How much do mainframe developer jobs pay per hour?

As of May 29, 2026, the average hourly pay for mainframe developer in Seattle, WA is $60.75, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $68.94 per hour, depending on experience, location, and employer.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are the most commonly searched types of Mainframe Developer jobs in Seattle, WA? The most popular types of Mainframe Developer jobs in Seattle, WA are:
What are popular job titles related to Mainframe Developer jobs in Seattle, WA? For Mainframe Developer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Seattle, WA look for? The top searched job categories for Mainframe Developer jobs in Seattle, WA are:
Infographic showing various Mainframe Developer job openings in Seattle, WA as of May 2026, with employment types broken down into 39% Full Time, and 61% Contract. Highlights an 87% In-person, 3% Hybrid, and 10% Remote job distribution, with an average salary of $126,351 per year, or $60.7 per hour.

Other

Posted 13 days ago


Job description

Company Description

Aditi Staffing is an MBE certified, IT Staffing firm in the US offering contract, contract-to-hire & direct hire career opportunities with Fortune Firms. Recently recognized as one of the fastest growing staffing firms and top diversity firm by the Staffing Industry Analysts, Aditi Staffing has been a partner of choice for candidates and clients. 

Visit our website: http://www.aditistaffing.com/

Job Description

Role: Software Developer

Location: Snoqualmie, WA

- 4-6 years Application Development Experience including the skills outline below

 - Unix, Redhat preferred, light admin experience

 - Shell programming 

 - PERL/Python programing

 - Database concepts (Table creation, partitioning. ETL)

 - File based data collections

 - Writing parsers for a variety of file formats, csv, xml, binary, ascii text

 - SQL (writing complex queries)

- Wireless industry experience desirable

 - Big Data experience working with Cloudera distro

 - Impala, Hive, HBASE, SOLR

 - Knowledge of hardware architecture

 - Basic understanding of network concepts (Webserver configuration, troubleshooting performance issues)

 - Frontend application development, HTML 5, Adobe Flex, Tableau

 - Java, Java Script, C++

Additional Information

Regards,

Arun Kumar R

arunkr(AT)aditistaffing.com

D: 425-457-7916