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Middleware Developer Jobs in California (NOW HIRING)

Sonsoft Inc

Middleware

Pleasanton, CA

Must have design implementation and operational experience with middleware technologies - Weblogic, WebSphere, Jboss, Tomcat & Message Brokers, Message Queues. * Basic knowledge in shell scripting

Transcend Softech LLC

Embedded Developer

Milpitas, CA · On-site

Job Summary We are seeking a highly motivated Junior Embedded Middleware Engineer to join our engineering team in Milpitas, California. The ideal candidate will have 1 to 3 years of experience in ...

New

AgreeYa Solutions

Senior WebLogic Engineer

Oakland, CA · On-site

Performs as an individual contributor of DevOps/middleware role that builds and supports exceptional customer-facing applications with challenging business use cases, existing systems and operational ...

Jobsbridge

Sr Java WebServices Developer

Pleasanton, CA

$63.75 - $81.25/hr

Strong knowledge of Technical Design Document and continuous integration (CI) Passion for collaboration, Agile teams, and great customer service Subject Matter Expert (SME) in Middleware engineering ...

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All JobsMiddleware Developer JobsMiddleware Developer Jobs in California

Middleware Developer information

See California salary details

$9

$59

$100

How much do middleware developer jobs pay per hour?

As of Aug 21, 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 is a middleware developer?

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 are the key skills and qualifications needed to thrive as a middleware developer?

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 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:

Middleware Developer jobs near you
Infographic showing various Middleware Developer job openings in California as of August 2026, with employment types broken down into 85% Full Time, 2% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $124,429 per year, or $59.8 per hour.

Principal Software Engineer, Middleware & Data

Bloom Energy

San Jose, CA • On-site

$155K - $224K/yr

Full-time

Medical, Dental, Vision, Retirement

Re-posted 20 hours ago

Bloom Energy rating

8.8

Company rating: 8.8 out of 10

Based on 12 frontline employees who took The Breakroom Quiz

44th of 493 rated machine equipment manufacturers

Job description

At Bloom Energy, our vision for a world powered by clean, reliable, and affordable energy is more than just a dream-we're making it reality.
For over two decades, we've been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world. From revolutionizing power for AI-driven data centers to ensuring resilience for hospitals, electric grids, manufacturing facilities, and utilities, our solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOEC) technologies are redefining what's possible by delivering energy abundance for all. With more than 30,000 fuel cell modules deployed worldwide, we are the trusted partner for Fortune 100 companies and innovators alike. Our cutting-edge solutions enable unparalleled "time-to-power" capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are rapidly becoming the new norm.
At Bloom, we thrive on collaboration, bold thinking, and relentless innovation. We believe that, together, we can create a brighter, more sustainable future while tackling the most pressing challenges of the 21st century.
We are looking for a Principal Software Engineer, Middleware & Data to join our team in one of today's most exciting technologies. This role will report to Sr Director Software Engineering and based in San Jose, CA. This is a fully on-site, in office role 5 days a week.
Role and Responsibilities:
  • Develop high-performance backend and systems components using Rust or Go.
  • Debug complex issues across service boundaries, integrations, and data paths.
  • Build and maintain middleware components and service-to-service integrations.
  • Work with relational, NoSQL, and time-series databases, and understand OLAP query paradigms.
  • Solve problems involving streaming data, ordering, backpressure, and throughput optimization.
  • Follow disciplined SDLC practices including code reviews, testing, documentation, and CI workflows.
  • Collaborate with cross-functional teams on architecture, integration points, and system evolution.

Required Skills and Experience:
  • 10 years of overall programming experience with strong programming experience in Rust, Go, or other compiled languages.
  • Excellent debugging skills-across application layers, integrations, and data pipelines.
  • Solid understanding of:
    • Middleware fundamentals
    • Databases (SQL, NoSQL, time-series)
    • OLAP workloads and analytical query patterns
    • Streaming systems and distributed data flow concepts
  • Proficiency with git and modern development workflows.
  • Strong SDLC discipline and engineering best practices.

Nice to have Skills
  • Experience with Helm charts and Kubernetes-based deployments.
  • Familiarity with containers (Docker, container tooling) and secure container practices.
  • Exposure to DevOps pipelines, CI/CD systems, GitHub Actions, or similar platforms.

Bloom Energy is an equal opportunity employer and makes employment decisions on the basis of merit. We are committed to compliance with all applicable laws providing equal employment opportunities. All qualified applicants, will receive consideration for employment without regard to race, sex, color, religion, national origin, protected veteran status, or on the basis of disability. Bloom Energy makes reasonable accommodations, consistent with applicable laws, for the known physical or mental
limitations of an otherwise qualified applicant or employee with a disability, who can perform the essential job functions, unless undue hardship would result.
At Bloom Energy, we are committed to supporting the well-being of our employees and their families. Our comprehensive benefits package for eligible employees includes competitive Medical, Dental, and Vision plans with a large employer contribution, a 401(k) Retirement Plan with company match, generous Mental Health Support services, Legal services, virtual Physical Therapy access, and Fertility & Family Forming benefits.
Bloom Energy is committed to fair and equitable compensation practices. The total compensation for this position includes standard company benefits and is based on various factors including, but not limited to, relevant skills and experience.
#LI-JM
Salary Ranges:
$155,800.00 - $224,200.00

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