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Middleware Developer Jobs in California (NOW HIRING)

About the Team We are looking for self-motivated engineers to build the next-generation onboard infrastructure for autonomous driving. Our mission is to provide a high-performance, highly reliable ...

About the Team We are looking for self-motivated engineers to build the next-generation onboard infrastructure for autonomous driving. Our mission is to provide a high-performance, highly reliable ...

About the Team We are looking for self-motivated engineers to build the next-generation onboard infrastructure for autonomous driving. Our mission is to provide a high-performance, highly reliable ...

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Middleware Developer information

See California salary details

$9

$59

$100

How much do middleware developer jobs pay per hour?

As of May 31, 2026, the average hourly pay for middleware developer in California is $59.82, according to ZipRecruiter salary data. Most workers in this role earn between $50.53 and $67.60 per hour, depending on experience, location, and employer.

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

To thrive as a Middleware Developer, you need strong programming skills in languages like Java or Python, a deep understanding of middleware platforms (such as WebLogic, IBM WebSphere, or Apache Kafka), and a relevant degree in computer science or related fields. Familiarity with integration tools, APIs, messaging systems, and often certifications in specific middleware technologies are commonly required. Excellent problem-solving, teamwork, and communication skills help developers collaborate effectively and respond to complex integration challenges. These skills are crucial for building reliable, scalable systems that enable seamless data exchange and application connectivity across an organization.

How does a Middleware Developer typically collaborate with other teams during a project lifecycle?

Middleware Developers play a crucial role in bridging the gap between front-end and back-end teams. They frequently collaborate with software engineers, database administrators, and system architects to ensure seamless data flow and integration between different applications. Effective communication and problem-solving skills are essential, as Middleware Developers often participate in cross-functional meetings to troubleshoot issues, align on technical specifications, and implement integration solutions that meet business needs. Their work ensures that applications can communicate efficiently, supporting overall system reliability and scalability.

What are Middleware Developers?

Middleware Developers are IT professionals who design, develop, and maintain software that connects different applications, systems, or databases within an organization. They focus on creating middleware, which acts as a bridge to facilitate communication and data exchange between disparate systems. Their work ensures that applications can interact smoothly, improving efficiency, scalability, and integration in complex IT environments. Middleware Developers often work with technologies such as message brokers, APIs, and enterprise service buses.

What is the difference between Middleware Developer vs API Developer?

AspectMiddleware DeveloperAPI Developer
Required CredentialsBachelor's in Computer Science or related field; often certifications in middleware technologiesBachelor's in Computer Science or related field; certifications in API design or development
Work EnvironmentDevelops and maintains middleware solutions within enterprise systemsDesigns and implements APIs for application integration and data sharing
Employer & Industry UsageUsed in enterprise IT, banking, and telecom sectorsCommon in software companies, web services, and cloud-based platforms
Search & Comparison IntentOften compared for integration roles involving middleware platformsCompared when focusing on API design and development skills

The main difference between a Middleware Developer and an API Developer lies in their focus areas. Middleware Developers specialize in creating and maintaining middleware solutions that connect different enterprise applications, while API Developers focus on designing and building APIs that enable application communication. Both roles require similar technical backgrounds but serve distinct functions within software architecture.

What are popular job titles related to Middleware Developer jobs in California? For Middleware Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Middleware Developer jobs in California look for? The top searched job categories for Middleware Developer jobs in California are:
What are popular job titles related to Middleware Developer jobs in CA? For Middleware Developer jobs in CA, the most frequently searched job titles are:

Software Systems Engineer - Middleware & Diagnostics

Zoox

Foster City, CA

$201.60K - $238.90K/yr

Full-time

Posted 2 days ago


Job description

This is an opportunity to join the Software Systems Engineering team to participate in building the Zoox robotaxi, the first in the world to operate on public roads. The Software Systems Engineering team is responsible for defining SW development processes and ensuring that all safety-critical software meets a high safety bar for production vehicles.
 
In this role, you will help introduce and drive the adoption of software development best practices across middleware components, including requirements, architectural design, code quality, and testing strategy; contributing to defining diagnostics strategies and appropriate system reactions to ensure robust, safe, and maintainable operation.
In this role, you will:
  • Act as a cross-functional bridge between middleware developers, and safety teams to ensure aligned design decisions and requirements.
  • Develop and maintain a holistic architectural view of the middleware stack, including dependencies, interfaces and potential failure paths, for various compute platforms.
  • Help evolve and strengthen the middleware and diagnostics architecture by identifying improvement opportunities such as decoupling interdependent components, designing appropriate fault reactions, etc.
  • Define and implement component and system level diagnostics strategy, including fault detection, reporting, logging and traceability.
  • Analyze fault propagation scenarios across components and help design mitigations that improve system availability and safety.
  • Generate and track fault metrics on a regular cadence.
Qualifications:
  • B.S./M.S./PhD in Engineering, Physics or relevant field and 5+ years of experience
  • Strong experience in middleware, ideally in embedded or distributed systems
  • Strong communication skills with the ability to translate architectural and safety considerations into actionable engineering requirements
  • Demonstrated ability to apply software engineering best practices
  • Experience working in cross-functional environments involving platform, safety and software teams
Bonus Qualifications:
  • Hands on experience with design and implementation of diagnostic systems such as health monitoring, fault reduction or logging frameworks
  • C++, MATLAB, Python
  • Experience on Safety-Critical Systems
There are three major components to compensation for this position: salary, Amazon Restricted Stock Units (RSUs), and Zoox Stock Appreciation Rights. A sign-on bonus may be offered as part of the compensation package. The listed range applies only to the base salary. Compensation will vary based on geographic location and level. Leveling, as well as positioning within a level, is determined by a range of factors, including, but not limited to, a candidate's relevant years of experience, domain knowledge, and interview performance. The salary range listed in this posting is representative of the range of levels Zoox is considering for this position.
 
 
Zoox also offers a comprehensive package of benefits, including paid time off (e.g. sick leave, vacation, bereavement), unpaid time off, Zoox Stock Appreciation Rights, Amazon RSUs, health insurance, long-term care insurance, long-term and short-term disability insurance, and life insurance.
About Zoox
Zoox is developing the first ground-up, fully autonomous vehicle fleet and the supporting ecosystem required to bring this technology to market. Sitting at the intersection of robotics, machine learning, and design, Zoox aims to provide the next generation of mobility-as-a-service in urban environments. We’re looking for top talent that shares our passion and wants to be part of a fast-moving and highly execution-oriented team.

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Accommodations
If you need an accommodation to participate in the application or interview process please reach out to accommodations@zoox.com or your assigned recruiter.

A Final Note:
You do not need to match every listed expectation to apply for this position. Here at Zoox, we know that diverse perspectives foster the innovation we need to be successful, and we are committed to building a team that encompasses a variety of backgrounds, experiences, and skills.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.