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Senior Middleware Engineer Jobs in Perris, CA (NOW HIRING)

Monster Energy

Salesforce Engineering Manager

Corona, CA · On-site

$138K - $185K/yr

Partner with senior leaders in Sales, Finance, and IT to assess demand, set priorities, and make ... Integration, data architecture, or middleware-related certifications are also beneficial. Monster ...

All JobsMiddleware Engineer JobsSenior Middleware Engineer JobsSenior Middleware Engineer Jobs in Perris, CA

Senior Middleware Engineer information

See Perris, CA salary details

$10

$57

$82

How much do senior middleware engineer jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for senior middleware engineer in Perris, CA is $57.64, according to ZipRecruiter salary data. Most workers in this role earn between $50.72 and $65.43 per hour, depending on experience, location, and employer.

What is a senior middleware engineer?

Senior Middleware Engineers are experienced IT professionals who specialize in designing, implementing, and managing middleware solutions that connect different software applications, databases, and services within an organization. They play a critical role in ensuring seamless communication and data exchange between systems, often working with technologies such as application servers, message brokers, API gateways, and integration platforms. Senior Middleware Engineers also provide technical leadership, troubleshoot complex system issues, and help optimize performance and security in middleware environments.

What are the key skills and qualifications needed to thrive as a senior middleware engineer?

To thrive as a Senior Middleware Engineer, you need advanced knowledge of middleware platforms, integration architecture, and distributed systems, typically supported by a degree in computer science or a related field. Proficiency with tools such as IBM WebSphere, Oracle Fusion Middleware, Apache Kafka, and experience with automation and monitoring solutions is essential, along with relevant certifications. Strong problem-solving abilities, communication skills, and a collaborative mindset set top candidates apart in this role. These skills ensure reliable system integration, efficient troubleshooting, and effective cross-functional teamwork in complex IT environments.

What are some typical challenges a senior middleware engineer faces when integrating new technologies into existing enterprise systems?

Senior Middleware Engineers often encounter challenges when integrating new technologies, such as ensuring compatibility with legacy systems, maintaining data security, and minimizing downtime during deployment. They must carefully plan migrations and develop custom solutions to bridge gaps between different platforms. Effective communication with cross-functional teams, such as developers, system administrators, and security specialists, is essential to anticipate potential issues and implement seamless integrations. Staying current with evolving middleware trends also helps address these challenges proactively.

What is the difference between Senior Middleware Engineer vs Middleware Developer?

AspectSenior Middleware EngineerMiddleware Developer
CredentialsBachelor's/Master's in CS or related, certifications like TOGAF, AWSBachelor's in CS or related, certifications optional
Work EnvironmentDesigns, integrates, and maintains middleware solutions in enterprise settingsDevelops and implements middleware components, often in project teams
Industry UsageUsed across finance, healthcare, telecom, and tech sectorsCommonly found in software development firms and IT departments
Search/Comparison IntentUnderstanding senior roles and responsibilities in middlewareFocus on development tasks and coding skills

The main difference is that a Senior Middleware Engineer typically oversees the design, integration, and maintenance of middleware systems at a higher level, often leading projects and teams. Middleware Developers focus more on coding and implementing middleware components. Both roles require similar technical skills, but the Senior Middleware Engineer has greater responsibilities in architecture and strategic planning.

What cities near Perris, CA are hiring for Senior Middleware Engineer jobs?

Cities near Perris, CA with the most Senior Middleware Engineer job openings:

Senior Middleware Engineer jobs near you

Senior Integration Developer, (OIC, MuleSoft) - Onsite

Foothill Ranch, CA • On-site

CGS Business Solutions
11 - 50 employees
Learn more about CGS Business Solutionsexternal

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

At CGS Business Solutions, we're dedicated to helping skilled IT and business professionals take the next meaningful step in their careers. Whether you're exploring project-based consulting roles or seeking a long-term position, we connect you with opportunities that align with your expertise, your goals, and your growth trajectory.


Backed by deep industry insight and our proven TalentFlow™ Framework, we ensure every role we present is thoughtfully matched to your skills, passions, and career ambitions. If you're ready for a role that challenges you and moves your career forward, we're currently partnering with leading organizations to fill the following opportunity:

CGS is hiring for a Senior Integration Developer with strong OIC and MuleSoft skills to be responsible for designing, developing, and implementing integration solutions that connect enterprise systems and applications. The Senior Integration Developer will lead the design and implementation of integration workflows, manage middleware platforms, and ensure seamless data flow across disparate systems.

Major Duties and Responsibilities

  • Design, develop, and implement integration solutions using Oracle Integration Cloud (OIC), MuleSoft, and other iPaaS platforms across enterprise cloud and on-premise systems.
  • Lead integration efforts specifically supporting Oracle Fusion ERP modules (Finance, SCM, HCM), ensuring reliable and scalable data exchange.
  • Oversee the full API lifecycle, from designing and developing RESTful APIs to testing, monitoring, and optimizing for performance and scalability.
  • Build and maintain integrations using Oracle Fusion web services (SOAP/REST), FBDI, OTBI, and event-driven frameworks.
  • Create reusable API assets, connectors, and OIC integrations to accelerate development and standardize integration patterns.
  • Work closely with third-party vendors and integration partners to integrate external applications into Oracle ERP and enterprise ecosystems.
  • Monitor integration performance across OIC, MuleSoft, and other middleware platforms; troubleshoot and optimize system efficiency.
  • Collaborate with business analysts, ERP functional teams, and architects to define technical requirements aligned with Oracle Fusion capabilities.
  • Provide mentorship and guidance to IT peers on integration best practices, especially around ERP integrations and OIC design patterns.

Education and Experience

  • 5+ years of experience in integration development with strong exposure to enterprise ERP systems and APIs.
  • Hands-on experience with Oracle Fusion ERP integrations and Oracle Integration Cloud (OIC).
  • Bachelor's degree in Computer Science, Information Technology, or related field.
  • Proficiency in programming languages such as Java, C#, Python, or JavaScript.

Knowledge and Skills

  • Extensive hands-on experience with MuleSoft Anypoint Platform (API design, development, deployment).
  • Strong experience with Oracle Integration Cloud (OIC), including orchestration, adapters, and ERP integration patterns.
  • Solid understanding of Oracle Fusion ERP architecture, including modules such as Finance, SCM, or HCM.
  • Experience integrating with Oracle Fusion using:
    • SOAP/REST APIs
    • FBDI (File-Based Data Import)
    • BI Publisher / OTBI extracts
    • Event-driven integrations
  • Experience with API-led connectivity and middleware architecture across hybrid environments.
  • Strong proficiency in web services (REST, SOAP) and data formats like XML and JSON.
  • Familiarity with API security best practices (OAuth, JWT, etc.) and enterprise security principles.
  • Knowledge of event-driven architecture (Pub/Sub, Kafka, RabbitMQ).
  • Experience with EDI standards (ANSI X12, EDIFACT) and protocols (AS2, SFTP, FTPS).
  • Experience with version control tools (GitHub, Bitbucket).
  • Strong data integration skills (mapping, transformation, database queries).
  • Exposure to cloud platforms (AWS, Azure, Oracle Cloud Infrastructure).
  • Strong analytical and troubleshooting skills in complex integration and ERP environments.
  • Excellent communication and collaboration skills with business, ERP functional, and technical teams.
  • Ability to manage multiple priorities in a fast-paced environment.
  • Certifications in MuleSoft, Oracle Integration Cloud, or cloud platforms are a plus.


CGS Business Solutions is a nationally recognized leader in IT staffing and consulting, delivering top-tier talent across Applications, Cloud & Infrastructure, Cybersecurity, Data & AI, and Engineering. As a multi-year INC 5000 winner and one of California's Best IT Recruitment Firms, we're known for combining boutique-level service with enterprise-grade results.


We're also proud to be named one of the Orange County Business Journal's Fastest Growing Companies, earning the distinction for five consecutive years as we continue to expand into new markets across the U.S. Companies trust CGS to attract, engage, and retain elite technology talent—giving them the advantage they need to lead with confidence in a rapidly evolving digital landscape

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