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Application Integration Engineer Jobs in Chicago, IL

Invenergy LLC

Grid Integration Engineer I

Chicago, IL · On-site +1

$90K - $105K/yr

This position will remain open for application based on business need, which may be before or after the 3-day posting window. Position Overview The Grid Integration Engineer I will be responsible for ...

Invenergy

Grid Integration Engineer I

Chicago, IL · On-site +1

$90K - $105K/yr

This position will remain open for application based on business need, which may be before or after the 3-day posting window. Position Overview The Grid Integration Engineer I will be responsible for ...

Invenergy LLC

Grid Integration Engineer I

Chicago, IL · On-site

$90K - $105K/yr

This position will remain open for application based on business need, which may be before or after the 3-day posting window. Position Overview The Grid Integration Engineer I will be responsible for ...

The LaSalle Group

AI Integration Engineer

Park Ridge, IL · On-site

$30 - $40/hr

... application * Pilot, evaluate, and productionize new AI tools and automation opportunities ... AI Integration Engineer * PAY RATE: $45 to $55 per hour * WORK ARRANGEMENT: Remote, with periodic ...

Invenergy, LLC

Grid Integration Engineer II

Chicago, IL · On-site

$90 - $110/hr

This position will remain open for application based on business need, which may be before or after the 3-day posting window.** ****Position Overview**The Power Systems Engineer - Grid Integration ...

Invenergy

Grid Integration Engineer II

Chicago, IL · On-site

This position will remain open for application based on business need, which may be before or after the 3-day posting window. Position Overview The Power Systems Engineer - Grid Integration ...

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All JobsApplication Integration Engineer JobsApplication Integration Engineer Jobs in Chicago, IL

Application Integration Engineer information

See Chicago, IL salary details

$37

$62

$89

How much do application integration engineer jobs pay per hour?

As of Aug 29, 2026, the average hourly pay for application integration engineer in Chicago, IL is $62.16, according to ZipRecruiter salary data. Most workers in this role earn between $51.78 and $67.40 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 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 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 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 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 73% Full Time, 21% Part Time, 5% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $129,290 per year, or $62.2 per hour.

Senior Integration & Application Development Engineer

Rosemont, IL

UCLA Health
Health Care and Social Assistance • 10K+ employees

8.7

Company rating: 8.7 out of 10

Based on 137 frontline employees who took The Breakroom Quiz

6th of 895 rated healthcare providers

Great coworkers

People enjoy working here

Good employer

Learn more about UCLA Healthexternal

Full-time

Posted 25 days ago

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
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About UCLA Health

Sourced by ZipRecruiter

UCLA Health, operating within the healthcare industry, is significantly recognized for its commitment to improving the health and wellbeing of people through the integration of patient care, research, and education. Located in Los Angeles, California, UCLA Health was founded and associated with the University of California, Los Angeles (UCLA) in 1955, entrenching its roots in quality healthcare service provision. Through a broad range of medical services, UCLA Health significantly stands as a cornerstone for comprehensive outpatient, inpatient, and emergency care services, specialized treatments, and wellness checks. Notable for pioneering an integrated, comprehensive medical approach, UCLA Health is consistently ranked among the top health systems in the US and world.

Industry

Health care and social assistance

Company size

10,000+ Employees

Headquarters location

Los Angeles, CA, US

Year founded

1955

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