Middleware Engineer Jobs
Middleware Engineer jobs are open across fintech, healthcare, enterprise software, and cloud infrastructure, from new-grad to principal and architect level, with specializations in API integration, message brokers, and distributed systems. Find a role that fits below and apply directly.
Find Middleware Engineer JobsOverview
Showing 5 of 44+ Middleware Engineer jobs
Job ID:
J54606
Job Title:
Cloud Middleware Engineer
Location:
Princeton, NJ
Duration:
12 Months + Extension
Domain Exposure:
Healthcare
Client:
To Be Discussed Later
Employment Type:
W-2, 1099, C2C
Work Authorization:
US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other
Location: Princeton, NJ
Duration: 12 Months + Extension
Bill Rate: $82/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other
Job Summary:
We are seeking an experienced Cloud Middleware Engineer with strong hands-on expertise in AWS cloud services, API Gateway integrations, and enterprise middleware technologies. The ideal candidate will have extensive experience with Apache Camel or similar integration frameworks, along with a solid understanding of cloud-native architectures, REST APIs, batch processing, file-based integrations, and event-driven systems.
The candidate will be responsible for designing, developing, implementing, and supporting middleware solutions that enable seamless integration across cloud-based, on-premises, and hybrid environments.
This role requires strong technical expertise in AWS services, API security, relational databases, CI/CD pipelines, and enterprise application integration.
Key Responsibilities:
- Design, develop, and implement AWS API Gateway integrations and cloud-native middleware solutions.
- Build and maintain enterprise integration workflows using Apache Camel or similar middleware frameworks.
- Develop and support batch processing solutions, file-based integrations, and data pipelines.
- Design, develop, and maintain RESTful APIs and integration services using JSON, XML, HTTP, and flat-file messaging formats.
- Implement event-driven architectures using AWS messaging and event management services.
- Leverage AWS services such as Lambda, S3, Step Functions, EventBridge, SNS, and SQS to build scalable integration solutions.
- Develop and maintain application integrations with PostgreSQL and other relational databases.
- Design and support integrations across cloud, on-premises, and hybrid infrastructure environments.
- Implement and maintain CI/CD pipelines, Git-based version control, and automated deployment processes.
- Ensure API security through proper authentication, authorization, certificate management, and API lifecycle management.
- Troubleshoot integration issues, monitor system performance, and ensure reliability across middleware platforms.
- Collaborate with cross-functional teams to deliver secure, scalable, and efficient integration solutions.
Required Skills & Qualifications (Must Have):
- Strong hands-on experience designing and implementing AWS API Gateway integrations and cloud-native solutions.
- Extensive experience with Apache Camel or similar middleware/integration frameworks.
- Experience developing and supporting batch processing, file-based integrations, and data pipelines.
- Strong understanding of:
- REST APIs
- JSON and XML
- HTTP protocols
- Flat-file messaging
- Event-driven architectures
We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.
Job ID:
J54606
Job Title:
Cloud Middleware Engineer
Location:
Princeton, NJ
Duration:
12 Months + Extension
Domain Exposure:
Healthcare
Client:
To Be Discussed Later
Employment Type:
W-2, 1099, C2C
Work Authorization:
US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other
Location: Princeton, NJ
Duration: 12 Months + Extension
Bill Rate: $82/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other
Job Summary:
We are seeking an experienced Cloud Middleware Engineer with strong hands-on expertise in AWS cloud services, API Gateway integrations, and enterprise middleware technologies. The ideal candidate will have extensive experience with Apache Camel or similar integration frameworks, along with a solid understanding of cloud-native architectures, REST APIs, batch processing, file-based integrations, and event-driven systems.
The candidate will be responsible for designing, developing, implementing, and supporting middleware solutions that enable seamless integration across cloud-based, on-premises, and hybrid environments.
This role requires strong technical expertise in AWS services, API security, relational databases, CI/CD pipelines, and enterprise application integration.
Key Responsibilities:
- Design, develop, and implement AWS API Gateway integrations and cloud-native middleware solutions.
- Build and maintain enterprise integration workflows using Apache Camel or similar middleware frameworks.
- Develop and support batch processing solutions, file-based integrations, and data pipelines.
- Design, develop, and maintain RESTful APIs and integration services using JSON, XML, HTTP, and flat-file messaging formats.
- Implement event-driven architectures using AWS messaging and event management services.
- Leverage AWS services such as Lambda, S3, Step Functions, EventBridge, SNS, and SQS to build scalable integration solutions.
- Develop and maintain application integrations with PostgreSQL and other relational databases.
- Design and support integrations across cloud, on-premises, and hybrid infrastructure environments.
- Implement and maintain CI/CD pipelines, Git-based version control, and automated deployment processes.
- Ensure API security through proper authentication, authorization, certificate management, and API lifecycle management.
- Troubleshoot integration issues, monitor system performance, and ensure reliability across middleware platforms.
- Collaborate with cross-functional teams to deliver secure, scalable, and efficient integration solutions.
Required Skills & Qualifications (Must Have):
- Strong hands-on experience designing and implementing AWS API Gateway integrations and cloud-native solutions.
- Extensive experience with Apache Camel or similar middleware/integration frameworks.
- Experience developing and supporting batch processing, file-based integrations, and data pipelines.
- Strong understanding of:
- REST APIs
- JSON and XML
- HTTP protocols
- Flat-file messaging
- Event-driven architectures
We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.
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Find Middleware Engineer JobsMiddleware Engineer Job Market
Who's Hiring
Top Industries Hiring
- Technology & Software
- Electronics & Hardware
- Banking & Financial Services
What Employers Look For
The qualifications that appear most often in middleware engineer jobs.
- Experience designing and maintaining APIs, message queues, or event streaming platforms
- Proficiency with at least one integration platform such as MuleSoft, Apache Kafka, or IBM MQ
- Strong understanding of REST and SOAP service architectures and enterprise integration patterns
- Bachelor's degree in computer science, information systems, or a related technical field
- Hands-on experience with cloud middleware services on AWS, Azure, or Google Cloud
- Familiarity with containerization and orchestration tools such as Docker and Kubernetes
Tips for Your Middleware Engineer Job Search
Tailor your resume to integration patterns
Middleware roles reward candidates who list the specific integration styles they've built, REST, event-driven, or pub/sub, and the brokers or ESBs they've used. Generic 'backend developer' framing undersells you compared to candidates who name the middleware stack directly.
Highlight cross-system complexity you've solved
Hiring managers for middleware positions care about how many systems you've connected and what failure modes you handled. Quantify the number of services integrated or the data throughput managed, so reviewers can gauge scope without asking follow-up questions.
Apply early to roles that fit
Migrate Mate lists middleware engineer openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Filter openings by the broker or platform
Job titles for this discipline vary widely, so search by technology stack, Kafka, MuleSoft, IBM MQ, RabbitMQ, or Azure Service Bus, in addition to job title. Roles filed under 'integration engineer' or 'platform engineer' often map directly to middleware responsibilities.
Prepare a whiteboard answer on message ordering
Interviewers for middleware positions almost always probe how you handle ordering guarantees, idempotency, and at-least-once versus exactly-once delivery. Walk through a concrete scenario you've owned, because abstract answers about consistency don't demonstrate hands-on decision-making.
Negotiate scope alongside compensation
Middleware engineers often inherit legacy integration debt. Before accepting an offer, ask what the current integration backlog looks like and whether the role owns deprecation decisions. The answer shapes day-to-day autonomy as much as the job title or pay band does.
Middleware Engineer Jobs: Frequently Asked Questions
Which companies are hiring the most middleware engineers?
The companies hiring the most middleware engineers right now include Apple, THEMESOFT, and Nuro, with the largest share of openings in California, Texas, and New York, based on current listings on Migrate Mate as of November 2026. Financial services, healthcare systems, and large cloud platform teams tend to post the highest volume of these roles.
How many middleware engineer jobs are remote?
About 67% of middleware engineer openings are fully remote or hybrid as of November 2026, reflecting the architecture-heavy nature of the role that rarely requires physical presence. API integration, event streaming design, and cloud middleware configuration work are the sub-areas most commonly offered as fully distributed positions.
How do you become a middleware engineer?
Start by building a solid foundation in networking, distributed systems, and software development. Learn at least one enterprise integration platform hands-on and practice connecting real services, even in a home lab. Deepen your understanding of messaging patterns such as pub/sub and request/reply, then contribute to open-source integration projects or build portfolio work that demonstrates end-to-end system connectivity.
Can you get a middleware engineer job without much experience?
Yes, entry-level middleware or junior integration engineer roles do exist, particularly at system integrators and enterprise software vendors. Build a portfolio project that connects two or more public APIs or services using a recognized broker, document your design decisions, and target companies that run training programs for integration-focused engineers rather than applying only to teams expecting immediate senior-level output.
What does the middleware engineer interview process look like?
The process typically starts with a recruiter screen, followed by a technical phone interview covering integration concepts and architecture fundamentals. A take-home or live coding exercise involving API design or message routing often comes next. Final rounds usually include a system design session where you diagram how multiple services communicate, plus a cultural or behavioral interview with the engineering team.
Where can I find and apply to middleware engineer jobs?
You can find and apply to middleware engineer jobs on Migrate Mate, which lists current openings from across the United States. Find the roles that fit your experience and stack, then apply directly to each listing. No single platform aggregates the full range of titles this discipline goes by, so checking regularly helps you catch newly posted integration and platform engineering roles as they appear.
See All 44 Middleware Engineer Jobs
Find roles that match your experience and apply in just a few clicks.
Find Middleware Engineer Jobs