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Middleware Developer Jobs (NOW HIRING)

ASM Research

Middleware Engineer

The Middleware Engineer, Junior assists in provisioning, configuring, and administering middleware platforms that connect applications and databases in complex enterprise environments. This role ...

Ábaco Strategy

Middleware Engineer

Arlington, VA

Abaco is seeking a Middleware Oracle Fusion Engineer to work for a major financial banking institution located in the Washington, DC Metro Region. The ideal candidate for this opportunity will have ...

Saige Partners

Senior Middleware Engineer

Omaha, NE

Senior Middleware Engineer (Omaha, NE) Job Overview: The Senior Middleware Engineer is responsible for leading the design, development, administration, and optimization of enterprise middleware ...

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How much do middleware developer jobs pay per hour?

As of Jun 5, 2026, the average hourly pay for middleware developer in the United States is $60.62, according to ZipRecruiter salary data. Most workers in this role earn between $51.20 and $68.51 per hour, depending on experience, location, and employer.

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 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.

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.

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Middleware Developer jobs near you
Infographic showing various Middleware Developer job openings in the United States as of May 2026, with employment types broken down into 1% Internship, 35% Full Time, 11% Part Time, 1% Temporary, and 52% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $126,080 per year, or $60.6 per hour.
C# / .NET Developer (Shopify / Middleware Focus)

C# / .NET Developer (Shopify / Middleware Focus)

DemandPDX

Remote

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Job description

About DemandPDX
DemandPDX is a Salesforce Crest (Gold) Partner and Shopify Plus Partner, recognized with the highest ratings for Salesforce Commerce Cloud on Salesforce AppExchange. With more than 450 eCommerce implementations delivered by our team, we bring deep expertise across architecture, development, strategy, QA, and project leadership.
Our entire team is U.S.-based, and we pride ourselves on delivering high-end strategic guidance while integrating seamlessly as an extension of our clients' teams.
Why Work With DemandPDX
We are committed to building a culture that values flexibility, excellence, and long-term career growth.
For full-time employees, we offer:
  • 35- or 40-hour work weeks
  • 100% remote work
  • Flexible schedules
  • Competitive compensation
  • Performance-based bonus opportunities
  • Medical, dental, vision, and disability insurance (employee coverage provided)
  • HSA plan options
  • Simple IRA with 3% company match
  • Company-paid life insurance
  • Paid holidays and paid time off
  • Paid maternity and paternity leave
  • Paid bereavement and natural disaster leave
  • Company-provided laptop

Note: This role is structured as a contract engagement, with potential for conversion to full-time employment. Full benefits apply upon full-time conversion.
Do you enjoy building scalable backend systems that power seamless digital experiences? Do you thrive in integration-heavy environments where performance, data flow, and reliability matter? Do you like working behind the scenes to ensure platforms talk to each other efficiently and securely?
As a C# / .NET Developer, you will play a key role in expanding and supporting a client's middleware layer that integrates Shopify and other systems. You may also contribute to a mobile app backend running in a Platform-as-a-Service (PaaS) environment, as the existing provider transitions off the account.
This role requires strong backend engineering skills, experience with APIs and integrations, and the ability to work independently in a fast-paced environment.
Responsibilities
  • Design, develop, and maintain middleware applications using C# and .NET.
  • Build and maintain integrations between Shopify and external systems.
  • Use GraphQL to query and manipulate data from Shopify APIs.
  • Enhance and support existing middleware services currently in production.
  • Collaborate with cross-functional teams to define, design, and implement scalable solutions.
  • Support and potentially transition ownership of a mobile app backend (PaaS-based).
  • Optimize application performance, scalability, and reliability.
  • Troubleshoot and resolve complex backend and integration issues.
  • Write clean, maintainable, and well-documented code.
  • Participate in code reviews and follow engineering best practices.

Requirements
  • Experience: Minimum of 4-5 years of hands-on experience with C# and .NET development.
  • Backend Development: Strong experience building APIs, services, and middleware architectures.
  • Shopify (Preferred): Experience working with Shopify APIs. Direct Shopify development experience is ideal.
  • GraphQL: Solid experience using GraphQL to query and manipulate data (Shopify GraphQL Admin API experience is a plus).
  • Cloud / PaaS: Experience working in cloud-based or PaaS environments.
  • Integration Experience: Proven experience integrating third-party systems and APIs.
  • Problem-Solving: Strong analytical and troubleshooting skills with the ability to resolve complex backend issues.
  • Communication: Strong written and verbal communication skills. Ability to work effectively with client stakeholders and distributed teams.
  • Collaboration: Experience working in an agile development environment.

Remote Work
  • This position qualifies for remote work anywhere in the United States.

Apply