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Application Integration Engineer Jobs in Chicago, IL

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ETL Developer

Chicago, IL · On-site

$178K - $208K/yr

Job Title: Senior Enterprise Data Integration Engineer Role Overview We are seeking a Senior ... Minimum of ten (10) years of total experience in Enterprise Application Integration and software ...

Lightedge

Sr. AI Integration Engineer

Chicago, IL · Hybrid

Our owned and operated facilities, integrated DR solutions, and premium compliant cloud choices ... in application materials based on available information. These tools assist our recruitment team ...

Camping World

IT Systems Integration Developer

Chicago, IL · Hybrid

$91K - $140K/yr

Integrate systems using internal and third-party APIs (Application Programming Interfaces). * Monitor, analyze, design, and develop modifications and changes to existing systems to enhance overall ...

Kanshe Infotech

MuleSoft Architect

Chicago, IL

$60 - $65/hr

Mentor MuleSoft developers and review code quality. * Integrate systems like ERP, CRM, databases, and cloud services . family:Calibri,sans -serif"> Required Technical Skills * Strong experience with ...

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Application Integration Engineer information

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How much do application integration engineer jobs pay per hour?

As of Aug 9, 2026, the average hourly pay for application integration engineer in Chicago, IL is $62.11, according to ZipRecruiter salary data. Most workers in this role earn between $51.73 and $67.36 per hour, depending on experience, location, and employer.

What does an application integration engineer do?

An Application Integration Engineer is responsible for connecting different software applications and systems so they work seamlessly together within an organization. They design, develop, and implement integration solutions, often using middleware, APIs, or other technologies to ensure data flows smoothly between applications. Their work helps businesses automate processes, improve efficiency, and ensure that information is accessible and consistent across platforms. These engineers also troubleshoot integration issues and maintain system interoperability as technologies evolve.

What is the difference between Application Integration Engineer vs Software Developer?

AspectApplication Integration EngineerSoftware Developer
Primary FocusDesigning and implementing system integrations and data flowsDeveloping software applications and features
Required SkillsAPI development, middleware, system architectureProgramming languages, software design, coding
Work EnvironmentIT teams, enterprise systems, integration platformsDevelopment teams, software companies, startups
CertificationsAPI, cloud, or middleware certificationsProgramming language certifications, software development courses

While both roles involve technical skills, Application Integration Engineers focus on connecting different systems and ensuring seamless data flow, whereas Software Developers create new applications and features. The roles often collaborate but serve distinct functions within tech organizations.

What are some typical challenges application integration engineers face when connecting multiple enterprise systems?

Application Integration Engineers often encounter challenges such as handling differences in data formats, ensuring secure and reliable data transfer, and managing compatibility between legacy systems and modern applications. Another common issue is troubleshooting and resolving failures in real-time data synchronization without disrupting business operations. Effective communication with stakeholders from various departments is essential to gather requirements and maintain seamless workflows across integrated systems.

What are the key skills and qualifications needed to thrive as an application integration engineer?

To thrive as an Application Integration Engineer, you need a solid background in software engineering, data integration, and API design, often supported by a relevant bachelor's degree. Familiarity with integration platforms (like MuleSoft or Dell Boomi), middleware solutions, and protocols such as REST, SOAP, and message queues is typically required. Strong problem-solving, communication, and collaboration skills help you bridge gaps between business requirements and technical implementation. These abilities are vital to ensure seamless, secure, and scalable integration of enterprise applications, which drives organizational efficiency.
What are popular job titles related to Application Integration Engineer jobs in Chicago, IL? For Application Integration Engineer jobs in Chicago, IL, the most frequently searched job titles are:
What job categories do people searching Application Integration Engineer jobs in Chicago, IL look for? The top searched job categories for Application Integration Engineer jobs in Chicago, IL are:
Application Integration Engineer jobs near you
Infographic showing various Application Integration Engineer job openings in Chicago, IL as of August 2026, with employment types broken down into 77% Full Time, 17% Part Time, and 6% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $129,189 per year, or $62.1 per hour.

Senior Integration & Application Development Engineer

Martin Brower

Rosemont, IL • On-site

$123K - $153K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 6 days ago

Martin-Brower rating

7.7

Company rating: 7.7 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

107th of 360 rated logistics

Job description

Position Responsibilities:
  • Provide level 1, 2, and 3 support for all Martin-Brower functions, with a primary focus on global integration
  • Act as Subject Matter Expert for the entire technical organization for these technologies and/or processes
    • Oracle SOA Suite
    • Oracle Data Integrator
    • webMethods Integration Platform
    • Manhattan IFEE Integration Framework
    • Weblogic Application Servers
    • Other ETL and/or technologies, as required, support all application architecture within the Reyes and Martin Brower system portfolio
  • Expertise in API implementation
  • Support Linux platform and Oracle Database development
  • Support all Java-based applications, particularly those related to integration services
  • Develop integrations with AI services (NLP, document AI, ML APIs)
  • Other projects or duties as assigned

Required Education and Experience:
  • Bachelors' Degree with 4 to 6 years of related experience or High School Diploma/General Education Degree with 7 to 9 plus years of specific experience
  • 4+ years' experience working on Middleware platforms, including at least one but preferably two technologies: Oracle SOA Suite (BPEL, Mediator, B2B, and OSB), Oracle Data Integrator (ODI), WebMethods Integration Server.
  • 4+ years' experience in B2B, EAI and EDI implementations.
  • 4+ years' experience in architecture, design, and implementation of integration solutions.
  • 4+ years' experience supporting systems in various technology stacks, preferably "Red Stack "(Linux, Weblogic, etc.).
  • 4+ years' experience in API implementation.
  • 1+ years' experience in AI/ML technologies including integration with AI services and automation workflows.
  • 4+ years' experience supporting systems on at least one primary database system (Oracle, DB/2, MySQL, and Microsoft SQL Server).
  • 4+ years' experience reviewing, translating, and refining business requirements into technical design, code, and test logic.
  • 3+ years' experience writing custom Java libraries and Python programming.
  • 3+ years' experience in Linux Shell Scripting skills.

Preferred Education and Experience:
  • Bachelor's Degree in Computer Science, Computer Engineering, Information Technology or related disciplines

Benefits
At the Reyes Family of Businesses, our Total Rewards Strategy prioritizes the holistic well-being of our employees. This position offers a comprehensive benefits package that includes Medical, Dental, Vision coverage, Paid Time Off, Retirement Benefits, and complimentary Health Screenings.
Equal Opportunity Employee & Physical Demands
Reyes Holdings and its businesses are equal opportunity employers. Company policy prohibits discrimination and harassment against any applicant or employee based on race, color, religion, sex, pregnancy or pregnancy-related medical conditions, marital status, sexual orientation, gender identity or expression, age, national origin, citizenship, disability, genetic information, military or veteran status, or any other basis protected by applicable law. In addition, the Company is committed to providing reasonable accommodation to applicants and employees in accordance with applicable law. Requests for accommodation should be directed to your point of contact in the Talent Acquisition or Human Resources departments.
Background Check and Drug Screening
Offers of employment are contingent upon successful completion of a background check and drug screening.
Pay Transparency
Our compensation philosophy embraces diverse factors for fair pay decisions, valuing skills, experience, and the needs of our business. Moreover, this role may have the opportunity to participate in a discretionary incentive program, subject to program rules.

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