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Middleware Testing Jobs (NOW HIRING)

Middleware Administrator

Herndon, VA · On-site +1

$54 - $71/hr

Deploy applications in all the environments (testing/implementation/production).Prepare scripts for ... middleware administrator. Experience must include providing support to enterprise class ...

My name is Suneetha from Testing Xperts, we are a global staffing, consulting and technology ... Middleware Developer Location : Tysons, VA / Cincinnati, OH Duration: Fulltime Interview:

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Middleware Testing information

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$46

$61

$87

How much do middleware testing jobs pay per hour?

As of Sep 12, 2026, the average hourly pay for middleware testing in the United States is $61.92, according to ZipRecruiter salary data. Most workers in this role earn between $51.20 and $74.04 per hour, depending on experience, location, and employer.

What is the difference between Middleware Testing vs API Testing?

AspectMiddleware TestingAPI Testing
FocusTests middleware components, integration points, and data flow between systemsTests individual APIs for functionality, reliability, and security
CredentialsKnowledge of middleware platforms, scripting, and testing toolsKnowledge of API protocols, tools like Postman, and scripting
Work EnvironmentTypically in integration and system testing phases within enterprise environmentsOften in development and QA phases, focusing on API endpoints
Industry UsageCommon in enterprise middleware solutions like IBM WebSphere, MuleSoftWidely used across web and mobile app development

Middleware Testing and API Testing are related but focus on different layers of software. Middleware Testing verifies the integration points and data flow between systems, while API Testing concentrates on individual API endpoints' functionality. Both require scripting skills and knowledge of testing tools, but Middleware Testing is more about system integration, whereas API Testing is about individual service validation.

What is middleware testing?

Middleware testing involves verifying the functionality, performance, and security of middleware software that connects different applications or systems. Testers check data exchange, integration points, and communication protocols to ensure reliable operation within the overall system architecture, often using tools like API testing frameworks and automation scripts.
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The top searched job categories for Middleware Testing jobs are:

Infographic showing various Middleware Testing job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 84% Full Time, 10% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution, with an average salary of $128,797 per year, or $61.9 per hour.

Middleware Engineer with Security Clearance

Washington, DC • On-site

NuAxis Innovations LLC
501 - 1,000 employees

Other

Posted 10 days ago


Job description

WE ARE A FEDERAL IT COMPANY ON A MISSION TO MAKE CUSTOMER EXPERIENCE (CX) THE CENTER OF EVERY GOVERNMENT SOLUTION.
TECHNOLOGY IS OUR PASSION. PEOPLE ARE OUR PURPOSE. We know tech, but we love people. NuAxis is home to thinkers and feelers; engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us; it's a state of mind. We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated Middleware Engineer for a Full-Time position.
Job Summary We are seeking a Middleware Engineer to design, implement, secure, and support the service layer connecting the Angular front end, legacy/external systems, and Oracle data tier. The role re-platforms legacy business logic into maintainable services, owns API implementation and integration behavior, and supports automated testing and DevSecOps delivery.
Education Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
Required Experience & Qualifications · 5+ years developing service-oriented or middleware solutions using Java/Spring Boot, .NET, Oracle SOA/BPEL/composites, or comparable enterprise technologies. · Strong REST API design/development skills including validation, error handling, versioning, security, and contract management. · Experience with workflow orchestration, business-process automation, and re-platforming legacy business logic. · Working knowledge of Oracle SQL/PLSQL sufficient to design efficient data interactions and collaborate with DBA staff. · Experience implementing or validating authentication/authorization mechanisms such as SAML, OAuth 2.0, OIDC, or equivalent. · Experience with unit/integration testing, CI/CD pipelines, static analysis, dependency scanning, and containerized delivery.
Key Responsibilities · Design and implement lightweight, maintainable services and APIs supporting efficient interaction between UI, business processes, external systems, and Oracle data. · Extract and re-platform appropriate legacy business logic into middleware/services while preserving functional behavior and auditability. · Implement validation, workflow orchestration, authorization checks, error handling, transaction boundaries, logging, and observability in the service layer. · Define and maintain API contracts, interface documentation, versioning, backward-compatibility expectations, and integration test support. · Collaborate with the Technical Lead and DBA to place business logic appropriately and optimize database interactions. · Implement automated unit and integration tests and support QA automation for APIs and end-to-end workflows. · Integrate middleware components into CI/CD pipelines, addressing code quality, static analysis, security, dependency, and test failures. · Troubleshoot production-like integration, performance, authentication, transaction, and data-consistency issues. · Support migration, release, rollback, configuration, and environment-readiness activities for middleware components.
Core Technical Skills · Java/Spring Boot and/or .NET and/or Oracle SOA/BPEL/composites. · REST API architecture, JSON, integration patterns, workflow orchestration, and authentication/authorization. · Oracle integration, SQL awareness, transaction design, error handling, logging/observability. · Automated unit/integration testing, containers, Git, CI/CD, static analysis, and DevSecOps practices. DOES THIS OPPORTUNITY SOUND LIKE A FIT FOR YOU? IF SO, JOIN OUR TALENT COMMUNITY AND CLICK TO APPLY NOW!! OUR PROFILE: We are an IT company with a unique mission-to make people the center of every federal IT solution. Our technologists have always gone the extra mile to help our federal clients succeed. And over the years, we saw a growing disconnect in how federal IT initiatives were built and managed.Time after time, programs failed because the focus was on the tools and products and not the people using them. LEARN MORE . NuAxis is an Equal Opportunity Employer. Employment is contingent upon successful completion of a background investigation. LEARN MORE about our Benefits and Culture! #NAI #DICE