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Remote Mainframe Developer Jobs in Seattle, WA (NOW HIRING)

Casne Engineering, Inc.

Be Seen First

Software Developer II

Bellevue, WA · Remote

$90K - $120K/yr

We are seeking a highly skilled and motivated Software Developer with strong proficiency in Python and SQL to join our dynamic development team. This role is ideal for someone who thrives as both in ...

Cybercoders

Senior Software Engineer

Seattle, WA · Remote

$225K/yr

Remote Salary: 150K-$225K/year A rapidly growing software company is hiring Senior Engineers to help build scalable products and internal systems powering complex operational workflows for enterprise ...

micro1 AI

AI Software Engineering Consultant

Seattle, WA · Remote

$20 - $75/hr

Remote Job Summary: We are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software engineering tasks. This role is best suited for ...

micro1 AI

Software Engineer - AI Trainer

Seattle, WA · Remote

$20 - $75/hr

Remote Job Summary: We are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software engineering tasks. This role is best suited for ...

DocuSign

Software Engineer

Seattle, WA · On-site +1

What you'll do As a P3 Software Engineer in the B2B - Business To Business engineering organization ... Employee divides their time between in-office and remote work. Access to an office location is ...

DocuSign

Software Engineer

Seattle, WA · On-site +1

... developer experiences, including related App Model configurations. A key area of focus for this ... Employee divides their time between in-office and remote work. Access to an office location is ...

DocuSign

Software Engineer

Seattle, WA · On-site +1

... developer experiences, including related App Model configurations. A key area of focus for this ... Employee divides their time between in-office and remote work. Access to an office location is ...

DocuSign

Software Engineer

Seattle, WA · On-site +1

$140K - $206K/yr

... improve developer efficiency * Participate in code reviews, technical discussions, and design ... Employee divides their time between in-office and remote work. Access to an office location is ...

DocuSign

Senior Software Engineer

Seattle, WA · On-site +1

$164K - $266K/yr

Employee divides their time between in-office and remote work. Access to an office location is ... developer workflows Wage Transparency Pay for this position is based on a number of factors ...

DocuSign

Senior Software Engineer

Seattle, WA · On-site +1

$139K - $183K/yr

Employee divides their time between in-office and remote work. Access to an office location is ... DevOps practices * A track record of contributing to inclusive, high-trust teams and mentoring ...

DocuSign

Senior Software Engineer

Seattle, WA · On-site +1

$139K - $183K/yr

Employee divides their time between in-office and remote work. Access to an office location is ... DevOps practices * A track record of contributing to inclusive, high-trust teams and mentoring ...

Aerostrat

Senior Software Engineer (Backend)

Seattle, WA · Remote

$140K - $200K/yr

At Aerostrat we pride ourselves on our excellent work environment with a fully remote team and ... Title: Sr Software Engineer * Salary: $140,000 - $200,000 * Job Type: Full-time; Remote (Within 50 ...

Aerostrat

Senior Software Engineer (Backend)

Seattle, WA · On-site +1

$140K - $200K/yr

At Aerostrat we pride ourselves on our excellent work environment with a fully remote team and ... Title: Sr Software Engineer * Salary: $140,000 - $200,000 * Job Type: Full-time; Remote (Within 50 ...

Aerostrat

Senior Software Engineer (Backend)

Seattle, WA · On-site +1

$140K - $200K/yr

At Aerostrat we pride ourselves on our excellent work environment with a fully remote team and ... Title: Sr Software Engineer * Salary: $140,000 - $200,000 * Job Type: Full-time; Remote (Within 50 ...

DocuSign

Sr. Software Engineer

Seattle, WA · On-site +1

$158K - $232K/yr

What you'll do As a Senior Backend Engineer in the DocuSign Agreement Platform team, you will be ... Employee divides their time between in-office and remote work. Access to an office location is ...

DocuSign

Software Engineer

Seattle, WA · On-site +1

$146K - $235K/yr

Employee divides their time between in-office and remote work. Access to an office location is ... Bachelor's in Computer Science, Electrical Engineering, Information Systems, Informatics, or ...

Circle

Senior Software Engineer

Seattle, WA · Remote

$152K - $205K/yr

Enterprises, financial institutions, and developers use Circle to power trusted, internet-scale ... Excellent communication skills, able to collaborate with remote teams, share ideas and present ...

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All JobsRemote Mainframe Developer JobsRemote Mainframe Developer Jobs in Seattle, WA

Remote Mainframe Developer information

See Seattle, WA salary details

$11

$60

$82

How much do remote mainframe developer jobs pay per hour?

As of Jul 1, 2026, the average hourly pay for remote 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.

Is IBM still making mainframes?

IBM continues to manufacture mainframes, such as the IBM Z series, which are widely used in enterprise environments for their reliability, security, and scalability. Mainframes remain a key platform for large-scale data processing and transaction workloads, and many organizations rely on mainframe developers to maintain and upgrade these systems.

What Does a Remote Mainframe Developer Do?

As a remote mainframe developer, you work from home to design, code, test, and configure software and applications used on a mainframe system. Mainframes are large computers with particularly high processing power and are often used for critical tasks like bulk data processing or enterprise resource planning. In this role, you may help ensure all new software is fully backward-compatible, monitor system performance, isolate errors, and work collaboratively with other developers as needed. Most mainframe developers work for larger companies. As a remote employee, you use virtual office software, phone, chat, or email to remain connected to other employees.

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

To thrive as a Remote Mainframe Developer, you need strong programming skills in languages like COBOL, JCL, and experience with mainframe operating systems, often supported by a degree in computer science or related field. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is typically required, along with relevant certifications. Excellent problem-solving abilities, independent work ethic, and effective virtual communication are standout soft skills for this remote role. These skills ensure smooth maintenance, modernization, and support of critical legacy systems in distributed teams.

Is mainframe developer a good career?

A mainframe developer is a skilled 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 technologies like COBOL and JCL. However, it requires specialized skills and ongoing learning to stay current with evolving systems and tools.

Can mainframe be replaced by AI?

Mainframe developers work with large-scale, legacy systems that require specialized knowledge of mainframe architectures, programming languages, and security protocols. While AI can automate certain tasks like code analysis and testing, it is unlikely to fully replace the need for skilled mainframe developers who maintain and optimize critical enterprise systems. AI tools may assist in development, but human expertise remains essential for complex mainframe environments.

How does a Remote Mainframe Developer typically collaborate with on-site teams and manage communication challenges?

As a Remote Mainframe Developer, you'll often work closely with on-site IT teams, business analysts, and project managers through virtual meetings, chat platforms, and shared documentation tools. Effective communication is key, so regular check-ins and proactive status updates help ensure alignment on project goals and troubleshooting efforts. Many companies use agile methodologies, which means you'll likely participate in daily stand-ups and sprint planning sessions remotely. While time zone differences can be a challenge, flexible scheduling and clear communication protocols are common strategies to keep everyone connected and productive.

What is the salary of a mainframe developer?

The salary of a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior developers with specialized skills in COBOL, JCL, and mainframe tools may earn higher salaries, especially in industries like finance and government that rely heavily on mainframe systems.

What is a Remote Mainframe Developer?

A Remote Mainframe Developer is a software professional who specializes in designing, developing, maintaining, and troubleshooting applications that run on mainframe computers, while working from a remote location. Mainframes are powerful computers often used by large organizations for critical applications, such as transaction processing and bulk data handling. Remote Mainframe Developers use programming languages like COBOL, JCL, and Assembler, and often connect to mainframe systems via secure networks. Their work ensures that legacy systems remain efficient, secure, and up-to-date. This role typically requires strong technical skills, experience with mainframe environments, and effective communication for collaborating with on-site teams.
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Remote Mainframe Developer jobs near you
Software Developer II

Software Developer II

Casne Engineering, Inc.

Bellevue, WA • Remote

$90K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

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Job description

We are seeking a highly skilled and motivated Software Developer with strong proficiency in Python and SQL to join our dynamic development team. This role is ideal for someone who thrives as both in individual or team contributor and is passionate about building unique solutions in a fast-paced environment for Industrial Infrastructure and Data Analytics.

Key Responsibilities

  • Design, develop, and maintain backend systems using Python and SQL.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Optimize applications bases upon customer feedback.
  • Participate in code reviews and contribute to best practices.
  • Troubleshoot, debug, and upgrade existing software.
  • Document development processes, code changes, and technical specifications.
  • Work on a blend of Research & Development and client-facing projects as company needs fluctuate

Required Skills

  • Python – Strong proficiency required
  • SQL – Strong proficiency required
  • Java – Experience with backend development

Preferred / Nice-to-Have Skills

  • Jython – Familiarity
  • JavaScript – Client-side development experience
  • Front-End Frameworks – Familiarity with React or Angular
  • UI/UX Implementation – Experience translating designs into functional interfaces
  • SCADA Systems – Experience in designing, programming in, or developing integrations for SCADA systems

Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)
  • Demonstrated history of feature or project ownership/technical leadership.
  • 4+ years of professional software development experience
  • Strong problem-solving and communication skills
  • Ability to work independently and in a team environment
  • Strong collaboration skills; a team player who isn’t afraid to ask questions

Additional Compensation:

  • End of Year Bonus (Discretionary, based upon individual contributions to profitability, target: 10% of base pay)
  • Monthly Bonuses (Discretionary, based upon individual effort beyond expected, 0-3% typical)
  • ESOP stock (Discretionary, 5% typical, 1 year for eligibility) - Casne is an employee-owned company with qualified ESOP retirement plan.
  • 401k Matching (50% match on up to 8% earnings)

Company Description

Founded in 1979, Casne is an employee-owned, full-service electrical and technology firm with offices in Bellevue, WA and Carlsbad, CA. We deliver high-quality engineered and information systems from concept to design, implementation and on through continued support. Our goal is to assist our clients, who range from small to Fortune 500 companies, achieve operational excellence through improvements to their critical electrical and technology infrastructures.
Casne prides itself on accepting the challenges of our clients and then exceeding their expectations. We offer competitive pay, employment stability, and a comfortable work setting with an energetic team of dedicated professionals. Hybrid work arrangements may be possible depending on project responsibilities. Full-time benefits include health insurance, 401k, Employee Stock Ownership Plan (ESOP), potential equity ownership, performance bonuses, educational reimbursement, HSA/flexible spending, and other fringe benefits.