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Remote Mainframe Developer Jobs in California (NOW HIRING)

Wsgr

Senior Software Developer

San Diego, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add new capabilities to the Neuron platform, as well as maintain existing features and infrastructure. You ...

Wsgr

Senior Software Developer

San Francisco, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add new capabilities to the Neuron platform, as well as maintain existing features and infrastructure. You ...

Wsgr

Senior Software Developer

Palo Alto, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add new capabilities to the Neuron platform, as well as maintain existing features and infrastructure. You ...

Wsgr

Senior Software Developer

Los Angeles, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add new capabilities to the Neuron platform, as well as maintain existing features and infrastructure. You ...

KBR

Senior Gen AI Developer

El Segundo, CA · On-site +1

$182K - $228K/yr

KBR is seeing a Senior Gen AI Developer to join our team in El Segundo, CA (remote). The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering ...

Sapta Global Inc

Software Developer

Signal Hill, CA · Remote

Remote Work Shift: (9 am - 5 pm (EST Time Zone)Client: Sapta Global Inc (Candidate Duties on the ... Dot net programmer having C#, ASP.NET CORE, Angular 11, HTML5, Postgress SQL. · [Required] Good ...

PTP

Senior IVR Developer - REMOTE

CA · On-site +1

$58.25 - $77/hr

We are looking for a Senior IVR Developer to help us design and deliver CX solutions that provide our clients with a beautiful customer journey that achieves results. At PTP we value aptitude and ...

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How much do remote mainframe developer jobs pay per hour?

As of Jun 8, 2026, the average hourly pay for remote mainframe developer in California is $52.68, according to ZipRecruiter salary data. Most workers in this role earn between $46.49 and $59.81 per hour, depending on experience, location, and employer.

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.

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 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.
More about Remote Mainframe Developer jobs
What are the most commonly searched types of Mainframe Developer jobs in California? The most popular types of Mainframe Developer jobs in California are:
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Remote Mainframe Developer jobs near you
Infographic showing various Remote Mainframe Developer job openings in California as of May 2026, with employment types broken down into 88% Full Time, 6% Part Time, and 6% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $109,572 per year, or $52.7 per hour.
Software Engineer (Fully Remote)

Software Engineer (Fully Remote)

Axiom Cloud

San Jose, CA • On-site, Remote

Full-time

PTO

Posted 3 days ago

Job description

SOFTWARE ENGINEER
Remote (Pacific Hours)
axiomcloud.ai
510-683-5200
Axiom Cloud is transforming how the world's cooling systems are powered, operated, and maintained; generating significant climate and financial impact.
We are looking for a Software Engineer who wants to work at the intersection of IoT, cloud infrastructure, and real-world energy systems; and who thrives building software that matters.
WHAT YOU'LL DO
You will work directly with the engineering team on the following strategic initiatives:
  • Build, improve, and maintain an ecosystem of software services and APIs that manage a fleet of flexible, intelligent, and resilient assets; from the cloud to the IoT edge.
  • Collaborate with hardware, controls, modeling, and data science teams to develop innovative, AI-enabled products.
  • Engineer reliability and scale into our multi-tenant microservices stack, scaling from handfuls to thousands of customer sites.
  • Contribute to cloud-native deployment practices across our production environment.
  • Reduce technical debt by addressing existing shortcuts and setting a higher bar for new feature development.
  • Build and orchestrate AI Agents to accelerate team productivity and deliver customer value.
  • Participate in code reviews to maintain quality and foster knowledge sharing.
  • Improve internal tooling and documentation to make the development experience more accessible.
  • Develop full-stack features that connect backend services to user-facing interfaces.

WHO YOU ARE
A general guide - we can bend these rules for an exceptional candidate.
  • Bachelors in Computer Science, Engineering, or a related field.
  • 3+ years of professional software development experience.
  • Strong software design instincts; comfortable across object-oriented and functional paradigms.
  • Motivated to contribute across the full stack, from strategy and architecture to coding, testing, and production operations.
  • Quick to pick up new technologies and development methodologies.
  • A self-directed problem-solver who generates innovative solutions with minimal oversight.
  • Passionate about technology innovation, product development, and commercial/industrial SaaS.

KEY SKILLS & TECHNOLOGIES
Cloud & Networking
Strong fundamentals in GCP (or AWS): VPC design, shared VPC, HA VPN, Cloud Interconnect, Cloud NAT, BGP routing, and Private Service Connect.
Kubernetes & Compute
Production experience with GKE or EKS, including workload identity, autoscaling, and multi-cluster patterns.
Infrastructure as Code
Modular, reusable Terraform with remote state management.
CI/CD
Pipeline-driven delivery for infrastructure and application workloads via GitHub Actions or similar.
Auth & Identity
Workforce Identity Federation, OIDC/SAML with Okta, IAM design, and service-to-service authentication.
Security
Least-privilege IAM, network segmentation, encryption (CMEK/GMEK, KMS), and secrets management.
Python
Solid working proficiency for tooling, automation, and platform services.
Data & Lakehouse
Hands-on with Databricks (Delta Lake, Unity Catalog) or comparable platforms; strong schema design for large-scale timeseries and relational workloads.
Performance Optimization
Proven ability to tune queries, indexes, and pipelines against billion-row datasets.
Agentic AI & Generative AI / LLMs
Experience with Agentic AI, prompt engineering and RAG systems (e.g., LangChain, Hugging Face).
Debugging
Systematic root-cause analysis across distributed cloud systems, especially in networking and connectivity.
Frontend
Working familiarity with React or similar for internal tools and platform dashboards.
WHY JOIN US
  • Work directly on mission-critical infrastructure that drives real climate impact.
  • Fully remote position with working hours generally aligned to Pacific Time.
  • Competitive compensation and benefits package, including equity (stock options).
  • Honor system PTO policy (no specified limits) and paid parental leave.
  • Two company-wide weeks off per year (December and July).
  • Collaborative, growth-oriented culture with a strong emphasis on professional development.
  • Chance to make a measurable impact at an innovative enterprise SaaS company transforming the cold chain industry.

THE FINE PRINT
We're a startup. The work is demanding, challenging, and fulfilling. If that excites you, we want to hear from you!
Axiom Cloud is an Equal Opportunity Employer and fully subscribes to the principles of Equal Employment Opportunity, to ensure that all applicants and employees are considered for hire, promotion, and job status without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, marital or familial status.

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