11,472 Middleware Developer jobs in the United States

Wintrust provides community and commercial banking, specialty finance and wealth management services through its 16 bank charters and nine non-bank businesses. Wintrust delivers the sophisticated solutions of a large bank while staying true to the relationship-focused, personalized service of our community banking roots. We serve clients in all 50 states with more than 200 branch banking locations in Illinois, southwestern Florida, northwestern Indiana, west Michigan and southern Wisconsin and commercial banking offices in Chicago, Denver, Milwaukee, Grand Rapids, Mich., and in key branch banking locations throughout Illinois. Our people are the heart of our business and we are proud to rank consistently as a top place to work. Wintrust is a $66 billion financial institution based in Rosemont, Illinois, and listed on the NASDAQ Global Select Market under the symbol "WTFC."

Working Model - Hybrid. 3 days per week in office.

Why join us?

• An award-winning culture! We are rated a Top Workplace by the Chicago Tribune (past 11 years) and Employee Recommended award by the Globe & Mail (past 6 years)
  
• Competitive pay and discretionary or incentive bonus eligible
  
• Comprehensive benefit package including medical, dental, vision, life, a 401k plan with a generous company match and tuition reimbursement to name a few
  
• Promote from within culture
  

Why join this team?

• This position has the opportunity to interface with and have a positive impact on multiple areas of Wintrust's business
  
• We hold ourselves accountable to high standards, share wins, operate ethically, and have fun
  

What you'll do:

The Middleware Developer is responsible for the development, test and implementation of best coding practices in Integration solutions for the organization, including application connectivity, Performance, Security and audit. This role will be engaged in all phases of the API lifecycle, and follows all the best practices that were put in place. Successful candidate will have a proven track record demonstrating sound technical and business knowledge.

• Develop and maintain Integration Solutions following the defined best practices and coding standards.
  
• Build reusable components to reduce code rewrite.
  
• Plans and executes unit test to ensure the developed code is free of functional defects.
  
• Complete development of a small to medium sized task independently.
  
• Ensure API governance policies are followed by implementing and validating API/service design etc.
  
• Support and maintain existing integration solutions for Middleware systems for operational and analytical applications.
  
• Required to work in other areas of Data Enablement lifecycle as needed.
  
• Work on the API specification documentation.
  
• Contributes to technical specifications and participates in peer reviews.
  
• Participate in Data Modeling efforts for all new data projects.
  
• Perform root cause analysis on internal and external data and processes to answer specific business questions.
  
• Writes and executes test plans.
  
• Serves as resource to internal and third-party team members on all types of issues.
  
• Pursues self-development and effective relationships with others by sharing resources, information, and knowledge with coworkers and customers.
  
• Seeks opportunities to deliver continuous process improvement
  

Qualifications:

• Bachelor's degree with 3+ years' experience or Master's degree with 2+ years' experience in Computer Science, Engineering, Math, or other quantitative field.
  
• 2+ years' experience in Middleware Development.
  
• Experience in implementing robust exception handling mechanisms.
  
• Good understanding of DW concepts including 3NF and Dimensional data models, Middleware concepts for modern integration infrastructures such as API management and ESB, and MDM Concepts.
  
• Has good understanding of development best practices.
  
• Familiarity with the tools needed to debug and diagnose issues in any type of environment.
  
• Good analytical skills to troubleshoot any issues.
  
• Experience with source control repository system such as TFS or GIT is preferred.
  
• Efficiently work in Agile environment. Familiarity with tracking tools such as JIRA is a plus.
  
• Experience working on Banking and Financial domain is preferred.
  
• Passionate about learning new technologies and solving hard problems in a fast-paced environment.
  
• Proven ability to work within a team environment and interacting with data professionals and business data SME's throughout the organization
  
• Desire to work in a fast growing environment with strong time management ability
  
• Demonstrates strong analytical and problem solving skills.
  
• Must be self-directed and have excellent initiative and organization skills.
  
• Proven track record of meeting commitments with the highest standards of ethics and integrity.
  

Benefits:

Medical Insurance • Dental • Vision • Life insurance • Accidental death and dismemberment • Short-term and long-term Disability Insurance • Parental Leave • Employee Assistance Program (EAP) • Traditional and Roth 401(k) with company match • Flexible Spending Account (FSA) • Employee Stock Purchase Plan at 5% discount • Critical Illness Insurance • Accident Insurance • Transportation and Commuting Benefits • Banking Benefits • Pet Insurance

Compensation:

The estimated salary range for this role is $9,000- 80,000, along with eligibility to earn an annual bonus. Actual salaries may vary based on several factors, such as a candidate's qualifications, skills, and experience.

#LI-Hybrid

From our first day in business, Wintrust has been proud to serve a variety of unique communities and people from all walks of life. To build a company that reflects the communities we serve, we believe that fostering a unique and inclusive workplace where everyone feels valued and empowered to succeed will support our ongoing success. Wintrust Financial Corporation, including community banking and financial services subsidiaries, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information, and other legally protected categories.

About Client:
The client provides information technology (IT) services, including business outsourcing, infrastructure technology, and application services. The application service offered by the company includes application development, maintenance, and support. The markets served by the company are financial services and insurance, healthcare, manufacturing, government, transportation, communications, and consumer and retail industries.

Rate Range: $60-$65/Hr

Job Description:

• We are looking for 5+ Years work experience as a Middleware Engineer . Strong Experience of middleware technologies, such as IBM WebSphere, Apache Tomcat, etc. RabbitMQ, VMware, DataPower, Jenkins, AppDynamics, CICS, Webserver, Appserver.

Technical Skills:

• Proven work experience as a Middleware Engineer or similar role in software development.
• Familiarity with a variety of operating systems and platforms.
• Experience of middleware technologies, such as IBM WebSphere, Apache Tomcat, etc.
• Experience of middleware technologies RabbitMQ, VMware, DataPower, Jenkins, AppDynamics, CICS, Webserver, Appserver.
• Excellent knowledge of software and application design and architecture.
• Strong analytical and problem-solving skills.

Responsibilities:

• Design, develop and maintain enterprise middleware software and solutions.
• Manage system integration and ensure data consistency across all systems.
• Identify, analyze and resolve technical issues.
• Develop technical documentation for reference and reporting.
• Collaborate with other team members to ensure software compatibility.
• Assist with system deployment and validation.
• Monitor system performance and implement performance tuning.
• Keep up to date with the latest technology trends.
• Adhere to company standards and apply design principles and patterns.

About ApTask:
ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-certified company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Candidate Data Collection Disclaimer:
At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment.

If you have any concerns or queries about your personal information, please feel free to contact our compliance team at .

Applicant Consent:
By submitting your application, you agree to ApTask's ( Terms of Use and Privacy Policy , and provide your consent to receive SMS and voice call communications regarding employment opportunities that match your resume and qualifications. You understand that your personal information will be used solely for recruitment purposes and that you can withdraw your consent at any time by contacting us at or Message frequency may vary. Msg & data rates may apply.

About ApTask:
ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-owned company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Candidate Data Collection Disclaimer:
At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment.

If you have any concerns or queries about your personal information, please feel free to contact our compliance team at

Applicant Consent:
By submitting your application, you agree to ApTask's ( Terms of Use and Privacy Policy, and provide your consent to receive SMS and voice call communications regarding employment opportunities that match your resume and qualifications. You understand that your personal information will be used solely for recruitment purposes and that you can withdraw your consent at any time by contacting us at or Message frequency may vary. Msg & data rates may apply.

Position: Senior Middleware Developer

Duration: Long-term Contract

Job Description:

• Join our dynamic middleware team as an individual contributor to build and support exceptional customer-facing applications that tackle complex business use cases and operational challenges.
• Leverage your experience with various middleware application servers and containers, transitioning from monolithic systems to modern architectures.
• Implement middleware infrastructure automation with a strong focus on scalability, security, and performance, managing the entire lifecycle from conception to delivery and production support.
• Utilize Shell, Perl, or Python scripting to enhance operational pipelines effectively.
• Keep technical documentation up-to-date, including implementations, README files, and project status pages, while coordinating with the Release team.
• Collaborate closely with Engineering leadership, Product Managers, Designers, Test Automation, and other teams to define and prioritize middleware projects according to business needs.
• Accurately assess project efforts, identify risks, and effectively communicate trade-offs to team members and stakeholders.
• Implement monitoring for infrastructure and application performance, including capacity management and alerting.
• Conduct impact assessments of product upgrades, patching, migration, and hotfixes to ensure seamless transitions.
• Plan, coordinate, and execute projects across various environments, such as Regression, Performance, and Production.
• Support fellow Engineers through evaluation and design analysis during development phases.
• Have a thorough understanding of common issues that may cause deployment failures, such as memory limitations or missing libraries.
• Demonstrate a proven track record of troubleshooting critical production and non-production applications and infrastructure issues, providing comprehensive root cause analysis.
• This role encompasses more responsibilities as assigned, ensuring versatility in duties.

Required Skills: The ideal candidate will need 5+ years of experience in DevOps or Cloud Engineering roles, with hands-on experience in GitHub Actions, GitHub Enterprise Cloud (GHEC), Azure Kubernetes Service (AKS), Azure API Management (APIM), YAML scripting, Datadog instrumentation, and containerization technologies like Docker and Podman.

Position: Senior Middleware Developer

Duration: Long-term Contract

Job Description:

• Join our dynamic middleware team as an individual contributor to build and support exceptional customer-facing applications that tackle complex business use cases and operational challenges.
• Leverage your experience with various middleware application servers and containers, transitioning from monolithic systems to modern architectures.
• Implement middleware infrastructure automation with a strong focus on scalability, security, and performance, managing the entire lifecycle from conception to delivery and production support.
• Utilize Shell, Perl, or Python scripting to enhance operational pipelines effectively.
• Keep technical documentation up-to-date, including implementations, README files, and project status pages, while coordinating with the Release team.
• Collaborate closely with Engineering leadership, Product Managers, Designers, Test Automation, and other teams to define and prioritize middleware projects according to business needs.
• Accurately assess project efforts, identify risks, and effectively communicate trade-offs to team members and stakeholders.
• Implement monitoring for infrastructure and application performance, including capacity management and alerting.
• Conduct impact assessments of product upgrades, patching, migration, and hotfixes to ensure seamless transitions.
• Plan, coordinate, and execute projects across various environments, such as Regression, Performance, and Production.
• Support fellow Engineers through evaluation and design analysis during development phases.
• Have a thorough understanding of common issues that may cause deployment failures, such as memory limitations or missing libraries.
• Demonstrate a proven track record of troubleshooting critical production and non-production applications and infrastructure issues, providing comprehensive root cause analysis.
• This role encompasses more responsibilities as assigned, ensuring versatility in duties.

Required Skills: The ideal candidate will need 5+ years of experience in DevOps or Cloud Engineering roles, with hands-on experience in GitHub Actions, GitHub Enterprise Cloud (GHEC), Azure Kubernetes Service (AKS), Azure API Management (APIM), YAML scripting, Datadog instrumentation, and containerization technologies like Docker and Podman.

Position: Senior Middleware Developer

Duration: Long-term Contract

Job Description:

• Join our dynamic middleware team as an individual contributor to build and support exceptional customer-facing applications that tackle complex business use cases and operational challenges.
• Leverage your experience with various middleware application servers and containers, transitioning from monolithic systems to modern architectures.
• Implement middleware infrastructure automation with a strong focus on scalability, security, and performance, managing the entire lifecycle from conception to delivery and production support.
• Utilize Shell, Perl, or Python scripting to enhance operational pipelines effectively.
• Keep technical documentation up-to-date, including implementations, README files, and project status pages, while coordinating with the Release team.
• Collaborate closely with Engineering leadership, Product Managers, Designers, Test Automation, and other teams to define and prioritize middleware projects according to business needs.
• Accurately assess project efforts, identify risks, and effectively communicate trade-offs to team members and stakeholders.
• Implement monitoring for infrastructure and application performance, including capacity management and alerting.
• Conduct impact assessments of product upgrades, patching, migration, and hotfixes to ensure seamless transitions.
• Plan, coordinate, and execute projects across various environments, such as Regression, Performance, and Production.
• Support fellow Engineers through evaluation and design analysis during development phases.
• Have a thorough understanding of common issues that may cause deployment failures, such as memory limitations or missing libraries.
• Demonstrate a proven track record of troubleshooting critical production and non-production applications and infrastructure issues, providing comprehensive root cause analysis.
• This role encompasses more responsibilities as assigned, ensuring versatility in duties.

Required Skills: The ideal candidate will need 5+ years of experience in DevOps or Cloud Engineering roles, with hands-on experience in GitHub Actions, GitHub Enterprise Cloud (GHEC), Azure Kubernetes Service (AKS), Azure API Management (APIM), YAML scripting, Datadog instrumentation, and containerization technologies like Docker and Podman.

Position: Senior Middleware Developer

Duration: Long-term Contract

Job Description:

• Join our dynamic middleware team as an individual contributor to build and support exceptional customer-facing applications that tackle complex business use cases and operational challenges.
• Leverage your experience with various middleware application servers and containers, transitioning from monolithic systems to modern architectures.
• Implement middleware infrastructure automation with a strong focus on scalability, security, and performance, managing the entire lifecycle from conception to delivery and production support.
• Utilize Shell, Perl, or Python scripting to enhance operational pipelines effectively.
• Keep technical documentation up-to-date, including implementations, README files, and project status pages, while coordinating with the Release team.
• Collaborate closely with Engineering leadership, Product Managers, Designers, Test Automation, and other teams to define and prioritize middleware projects according to business needs.
• Accurately assess project efforts, identify risks, and effectively communicate trade-offs to team members and stakeholders.
• Implement monitoring for infrastructure and application performance, including capacity management and alerting.
• Conduct impact assessments of product upgrades, patching, migration, and hotfixes to ensure seamless transitions.
• Plan, coordinate, and execute projects across various environments, such as Regression, Performance, and Production.
• Support fellow Engineers through evaluation and design analysis during development phases.
• Have a thorough understanding of common issues that may cause deployment failures, such as memory limitations or missing libraries.
• Demonstrate a proven track record of troubleshooting critical production and non-production applications and infrastructure issues, providing comprehensive root cause analysis.
• This role encompasses more responsibilities as assigned, ensuring versatility in duties.

Required Skills: The ideal candidate will need 5+ years of experience in DevOps or Cloud Engineering roles, with hands-on experience in GitHub Actions, GitHub Enterprise Cloud (GHEC), Azure Kubernetes Service (AKS), Azure API Management (APIM), YAML scripting, Datadog instrumentation, and containerization technologies like Docker and Podman.

Position: Senior Middleware Developer

Duration: Long-term Contract

Job Description:

• Join our dynamic middleware team as an individual contributor to build and support exceptional customer-facing applications that tackle complex business use cases and operational challenges.
• Leverage your experience with various middleware application servers and containers, transitioning from monolithic systems to modern architectures.
• Implement middleware infrastructure automation with a strong focus on scalability, security, and performance, managing the entire lifecycle from conception to delivery and production support.
• Utilize Shell, Perl, or Python scripting to enhance operational pipelines effectively.
• Keep technical documentation up-to-date, including implementations, README files, and project status pages, while coordinating with the Release team.
• Collaborate closely with Engineering leadership, Product Managers, Designers, Test Automation, and other teams to define and prioritize middleware projects according to business needs.
• Accurately assess project efforts, identify risks, and effectively communicate trade-offs to team members and stakeholders.
• Implement monitoring for infrastructure and application performance, including capacity management and alerting.
• Conduct impact assessments of product upgrades, patching, migration, and hotfixes to ensure seamless transitions.
• Plan, coordinate, and execute projects across various environments, such as Regression, Performance, and Production.
• Support fellow Engineers through evaluation and design analysis during development phases.
• Have a thorough understanding of common issues that may cause deployment failures, such as memory limitations or missing libraries.
• Demonstrate a proven track record of troubleshooting critical production and non-production applications and infrastructure issues, providing comprehensive root cause analysis.
• This role encompasses more responsibilities as assigned, ensuring versatility in duties.

Required Skills: The ideal candidate will need 5+ years of experience in DevOps or Cloud Engineering roles, with hands-on experience in GitHub Actions, GitHub Enterprise Cloud (GHEC), Azure Kubernetes Service (AKS), Azure API Management (APIM), YAML scripting, Datadog instrumentation, and containerization technologies like Docker and Podman.

Position: Senior Middleware Developer

Duration: Long-term Contract

Job Description:

• Join our dynamic middleware team as an individual contributor to build and support exceptional customer-facing applications that tackle complex business use cases and operational challenges.
• Leverage your experience with various middleware application servers and containers, transitioning from monolithic systems to modern architectures.
• Implement middleware infrastructure automation with a strong focus on scalability, security, and performance, managing the entire lifecycle from conception to delivery and production support.
• Utilize Shell, Perl, or Python scripting to enhance operational pipelines effectively.
• Keep technical documentation up-to-date, including implementations, README files, and project status pages, while coordinating with the Release team.
• Collaborate closely with Engineering leadership, Product Managers, Designers, Test Automation, and other teams to define and prioritize middleware projects according to business needs.
• Accurately assess project efforts, identify risks, and effectively communicate trade-offs to team members and stakeholders.
• Implement monitoring for infrastructure and application performance, including capacity management and alerting.
• Conduct impact assessments of product upgrades, patching, migration, and hotfixes to ensure seamless transitions.
• Plan, coordinate, and execute projects across various environments, such as Regression, Performance, and Production.
• Support fellow Engineers through evaluation and design analysis during development phases.
• Have a thorough understanding of common issues that may cause deployment failures, such as memory limitations or missing libraries.
• Demonstrate a proven track record of troubleshooting critical production and non-production applications and infrastructure issues, providing comprehensive root cause analysis.
• This role encompasses more responsibilities as assigned, ensuring versatility in duties.

Required Skills: The ideal candidate will need 5+ years of experience in DevOps or Cloud Engineering roles, with hands-on experience in GitHub Actions, GitHub Enterprise Cloud (GHEC), Azure Kubernetes Service (AKS), Azure API Management (APIM), YAML scripting, Datadog instrumentation, and containerization technologies like Docker and Podman.

Position: Senior Middleware Developer

Duration: Long-term Contract

Job Description:

• Join our dynamic middleware team as an individual contributor to build and support exceptional customer-facing applications that tackle complex business use cases and operational challenges.
• Leverage your experience with various middleware application servers and containers, transitioning from monolithic systems to modern architectures.
• Implement middleware infrastructure automation with a strong focus on scalability, security, and performance, managing the entire lifecycle from conception to delivery and production support.
• Utilize Shell, Perl, or Python scripting to enhance operational pipelines effectively.
• Keep technical documentation up-to-date, including implementations, README files, and project status pages, while coordinating with the Release team.
• Collaborate closely with Engineering leadership, Product Managers, Designers, Test Automation, and other teams to define and prioritize middleware projects according to business needs.
• Accurately assess project efforts, identify risks, and effectively communicate trade-offs to team members and stakeholders.
• Implement monitoring for infrastructure and application performance, including capacity management and alerting.
• Conduct impact assessments of product upgrades, patching, migration, and hotfixes to ensure seamless transitions.
• Plan, coordinate, and execute projects across various environments, such as Regression, Performance, and Production.
• Support fellow Engineers through evaluation and design analysis during development phases.
• Have a thorough understanding of common issues that may cause deployment failures, such as memory limitations or missing libraries.
• Demonstrate a proven track record of troubleshooting critical production and non-production applications and infrastructure issues, providing comprehensive root cause analysis.
• This role encompasses more responsibilities as assigned, ensuring versatility in duties.

Required Skills: The ideal candidate will need 5+ years of experience in DevOps or Cloud Engineering roles, with hands-on experience in GitHub Actions, GitHub Enterprise Cloud (GHEC), Azure Kubernetes Service (AKS), Azure API Management (APIM), YAML scripting, Datadog instrumentation, and containerization technologies like Docker and Podman.