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Senior Middleware Engineer Jobs in Wisconsin (NOW HIRING)

boelter

Sr. MuleSoft Developer

Pewaukee, WI · Remote

... off legacy middleware. We're looking for a senior integration engineer to stand up the MuleSoft platform from the ground up and lead the migration of existing integrations onto it. This is a ...

H.Essers Digital Company nv

WI · On-site

$75 - $95/hr

Combineer jij de mindset van een DevOps Engineer met de hands‑on mentaliteit van een ... Middleware Management: Installatie en onderhoud van PostgreSQL, MS SQL Server en Oracle DB; zorgen ...

New

Generac

Senior Full-Stack Engineer

Waukesha, WI · On-site +1

$114K - $148K/yr

Generac Home is hiring a Senior Full Stack Engineer with a focus on front end development. In this ... middleware, APIs, and backend integrations. This role translates product and design requirements ...

MDAEdge

Senior Salesforce CRM Developer

Waukesha, WI · On-site

$125K - $153K/yr

MDAEdge is seeking a Senior Salesforce CRM Developer who will be responsible for application ... of middleware products (MuleSoft, Informatica, etc.) establishing quality and schedule. • ...

Cliftonlarsonallen

Senior ServiceNow Developer

Milwaukee, WI · Remote

$53.25 - $73.25/hr

The Senior ServiceNow Developer is responsible for administration of our cloud-based workflow ... middleware solutions, and other integration technologies. * Configure and customize ServiceNow ...

Cliftonlarsonallen

Senior ServiceNow Developer

Madison, WI · Remote

$54.50 - $74.75/hr

The Senior ServiceNow Developer is responsible for administration of our cloud-based workflow ... middleware solutions, and other integration technologies. * Configure and customize ServiceNow ...

CliftonLarsonAllen

Senior ServiceNow Developer

Madison, WI · On-site

$54.50 - $74.75/hr

The Senior ServiceNow Developer is responsible for administration of our cloud-based workflow ... middleware solutions, and other integration technologies. * Configure and customize ServiceNow ...

Abbott

Sr. AI Integration Analyst

Madison, WI · On-site

$78K - $156K/yr

The Sr. Integration Engineer works closely with the Automation Solutions Architect and cross ... Tools commonly used in this role include enterprise middleware platforms (MuleSoft, Dell Boomi, or ...

Abbott

Sr. AI Integration Analyst

Madison, WI · On-site

$78K - $156K/yr

The Sr. Integration Engineer works closely with the Automation Solutions Architect and cross ... Tools commonly used in this role include enterprise middleware platforms (MuleSoft, Dell Boomi, or ...

Abbott

Sr. AI Integration Analyst

Madison, WI · On-site

$78K - $156K/yr

The Sr. Integration Engineer works closely with the Automation Solutions Architect and cross ... Tools commonly used in this role include enterprise middleware platforms (MuleSoft, Dell Boomi, or ...

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Senior Middleware Engineer information

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 are popular job titles related to Senior Middleware Engineer jobs in Wisconsin?

For Senior Middleware Engineer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Senior Middleware Engineer jobs in Wisconsin look for?

The top searched job categories for Senior Middleware Engineer jobs in Wisconsin are:

Senior Middleware Engineer jobs near you

Sr. MuleSoft Developer

boelter

Pewaukee, WI • Remote

Full-time

Re-posted yesterday

Job description

Senior MuleSoft Developer / Integration Lead

Location: Remote

Overview

Boelter is modernizing its B2B commerce platform onto a composable architecture, with MuleSoft Anypoint as the integration backbone connecting SAP S/4HANA (ERP), SAP Commerce Cloud (Hybris/CCv2), Akeneo (PIM), and HubSpot (CRM), plus EDI flows migrating off legacy middleware.

We're looking for a senior integration engineer to stand up the MuleSoft platform from the ground up and lead the migration of existing integrations onto it. This is a foundational hire: you'll own the initial Anypoint environment setup, build the first wave of production integrations, and establish the patterns, governance, and canonical data model the rest of the team builds on. You will also mentor junior developers, so the ability to teach and set standards matters as much as the ability to build.

Responsibilities
  • Stand up Anypoint Platform from scratch: business groups, dev/test/prod environments, CloudHub 2.0 runtime, API Manager policies, Exchange for asset reuse, Anypoint Monitoring, and secrets management.
  • Design and build API-led integrations (system / process / experience layers) across S/4HANA, SAP Commerce, Akeneo, and HubSpot.
  • Migrate existing integration workloads off legacy middleware onto MuleSoft, including EDI flows and high-volume nightly catalog batch processing.
  • Define and enforce the canonical data model and schema governance (Anypoint Exchange, CI-driven schema propagation), in partnership with Enterprise Architecture.
  • Establish CI/CD for MuleSoft applications, reusable connector/framework patterns, error handling, and observability standards.
  • Own non-functional concerns: throughput and sizing for high-volume batch, resilience, monitoring, and alerting.
  • Mentor junior developers; conduct code reviews and pairing, and document patterns for the team.
  • Collaborate with the ERP/SAP team, other internal platform teams, and integration vendors on connectivity, sizing, and delivery.
Required qualifications
  • 5+ years of integration engineering experience, with 3+ years hands-on MuleSoft Anypoint in production.
  • Demonstrated experience standing up Anypoint greenfield (not just building flows in an existing environment) — environments, runtime plane, API Manager, CI/CD.
  • Strong DataWeave fluency and deep API-led connectivity / RAML / API design experience.
  • Hands-on SAP integration experience (S/4HANA and/or SAP Commerce), including relevant connectors and integration patterns.
  • EDI experience (partner onboarding, mapping, common transaction sets).
  • Experience with high-volume batch integration and the sizing/throughput considerations that come with it.
  • Runtime deployment experience on CloudHub 2.0.
  • Proven ability to mentor and set standards for a team.
  • MuleSoft certification (MCD Level 1 minimum; MCD Level 2 or MuleSoft Certified Integration Architect strongly preferred).
Preferred qualifications
  • Experience with canonical data modeling and schema governance across multiple systems of record.
  • Familiarity with PIM and CRM integration patterns.
  • Exposure to MDM concepts (golden-record management across ERP, CRM, and commerce).
  • B2B distribution or foodservice domain experience.
  • AWS familiarity (networking, VPC connectivity) given the surrounding cloud footprint.

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