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Freelance Integration Software Engineer Jobs in Romeoville, IL

Stripe

Integration Engineer (Chicago)

Chicago, IL · On-site

$107K - $144K/yr

Plan and execute integration engineering end-to-end, from high-level architecture down to code ... Keep abreast of new Stripe technologies and software products and showcases technical thought ...

Stripe

Integration Engineer (Chicago)

Chicago, IL

$107K - $144K/yr

Plan and execute integration engineering end-to-end, from high-level architecture down to code ... Keep abreast of new Stripe technologies and software products and showcases technical thought ...

Lightedge

Sr. AI Integration Engineer

Chicago, IL · On-site

$107K - $144K/yr

The ideal candidate combines strong software engineering and systems integration skills with practical experience delivering AI-enabled workflows in business environments. This person must be ...

NVISIA

Software Engineer

Chicago, IL

The Software Engineer is responsible for architecture, design and development of software to include requirements analysis, software design, coding, software integration, testing, debug, and ...

NVISIA

Software Engineer

Chicago, IL · On-site

The Software Engineer is responsible for architecture, design and development of software to include requirements analysis, software design, coding, software integration, testing, debug, and ...

Paul Hastings

Senior Integration Engineer

Chicago, IL · On-site

$190K/yr

Job Title Senior Integration Engineer Location Atlanta, Boston, Charlotte, Chicago, Dallas, Houston, Los Angeles, New York, San Francisco, Washington, D.C. Regular/Temporary Regular Summary We have ...

Caterpillar

Software Engineer

Chicago, IL · On-site

$89K - $144K/yr

Software Integration Engineering : knowledge of software integration processes and functions; ability to design, develop and maintain interfaces and linkage to alternative platforms and software ...

Univision

Software Engineer

Chicago, IL · On-site

$108K/yr

Python developer familiar with open-source technologies, responsible for building software solutions and integration tools. * Develop back-end/front-end (80%/20%) applications including development ...

SriLakshmiTech

Software Engineer

Chicago, IL · On-site

... the Software Engineer: - At least 10 years of experience designing and developing software ... integration testing and customer acceptance testing of components that requires careful planning ...

Jorie AI

Software Engineer

Oak Brook, IL · On-site

$90K - $120K/yr

Software Engineer Job Overview: We are seeking a Python Senior Software Engineers to build and ... Integrate automation solutions with billing software, EHR systems, and healthcare web portals.

Jorie AI

Software Engineer

Oak Brook, IL · Remote

Software Engineer Job Overview: We are seeking a Python Senior Software Engineers to build and ... Integrate automation solutions with billing software, EHR systems, and healthcare web portals.

Jorie AI

Software Engineer

Oak Brook, IL · Remote

Software Engineer Job Overview: We are seeking a Python Senior Software Engineers to build and ... Integrate automation solutions with billing software, EHR systems, and healthcare web portals.

Sidley Austin LLP

Workday Integration Engineer

Chicago, IL · On-site

$112K - $192K/yr

The Workday Integration Engineer is responsible for designing, developing, and supporting integrations across Sidley's global Workday HCM ecosystem. This role ensures the delivery of reliable, secure ...

DivIHN Integration Inc

AI Integration Developer

Lemont, IL · On-site

$50.75 - $67.25/hr

AI Integration Developer Location: Hybrid at Lemont, IL (50% of the time onsite) Duration: 6 Months ... All tools, software and related materials will require compliance with local cybersecurity and IT ...

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All JobsIntegration Software Engineer JobsFreelance Integration Software Engineer JobsFreelance Integration Software Engineer Jobs in Romeoville, IL

Freelance Integration Software Engineer information

See Romeoville, IL salary details

$45.4K

$126.7K

$176.9K

How much do freelance integration software engineer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for freelance integration software engineer in Romeoville, IL is $126,712.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,000.00 and $142,700.00 per year, depending on experience, location, and employer.

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

AspectFreelance Integration Software EngineerFreelance Software Developer
Primary FocusDesigning and implementing system integrations and APIsDeveloping standalone applications or features
Required SkillsAPI development, system architecture, integration toolsProgramming languages, application development, UI/UX
Work EnvironmentClient sites, remote, collaborative with IT teamsRemote, independent, project-based
Common CertificationsAPI certifications, cloud platform credentialsProgramming language certifications, software development courses

Freelance Integration Software Engineers focus on connecting different systems and APIs, often working closely with IT teams. Freelance Software Developers create standalone applications or features. While both roles require programming skills, integration engineers emphasize system interoperability, whereas developers focus on application creation.

What are some common challenges a Freelance Integration Software Engineer might face when working with multiple clients?

Freelance Integration Software Engineers often encounter challenges such as managing different client expectations, working with diverse technology stacks, and aligning integration standards across various systems. Since each client may use unique tools and workflows, adaptability and strong communication skills are essential to ensure seamless integration. Additionally, coordinating with remote development teams and adhering to project timelines can be demanding, but these experiences also help build a versatile skill set and professional reputation.

What is a Freelance Integration Software Engineer?

A Freelance Integration Software Engineer is an independent professional who specializes in connecting and combining different software systems so they can work together seamlessly. They are typically hired on a project basis to develop, implement, and maintain integrations between applications, databases, APIs, and other digital services. These engineers ensure data flows smoothly across platforms, streamline business processes, and resolve compatibility issues. Freelancers in this role often work remotely and serve multiple clients across industries.

What are the key skills and qualifications needed to thrive as a Freelance Integration Software Engineer, and why are they important?

To thrive as a Freelance Integration Software Engineer, you need strong programming skills (often in languages like Java, Python, or JavaScript), experience with APIs, and a solid understanding of system integration concepts, typically backed by a degree in computer science or related field. Familiarity with integration platforms (such as MuleSoft, Dell Boomi, or Zapier), cloud services, and relevant certifications (like MuleSoft Certified Developer or AWS Certified Solutions Architect) is highly valuable. Excellent problem-solving, communication, and time-management skills help you collaborate with clients and efficiently deliver solutions in a freelance environment. These capabilities are essential to ensure seamless connectivity between systems, deliver high-quality client solutions, and manage projects independently.
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Freelance Integration Software Engineer jobs near you
Software Integration Engineer

Software Integration Engineer

FEV North America Inc

Oak Brook, IL • On-site

$105K - $141K/yr

Full-time

Posted 16 days ago

Job description

Description:

FEV North America, Inc. is seeking a Software Integration Engineer s to join our software engineering team as a full-time employee. In this role the candidate will assist lead software engineers and will be responsible to integrate and build software in CI/CD pipelines for Yocto-based Linux builds, as well as supporting the software/system integration.


Key Responsibilities:

  • Work cohesively as a member of a development team, collaborating as needed with other members of the team with the end goal of maximizing quality and delivering on schedule.
  • Design, implement, and maintain Yocto-based build systems for embedded Linux projects. Customize and optimize Linux distributions using Yocto tools and recipes.
  • Collaborate with software developers, hardware engineers, and QA teams to ensure successful integration of software components.
  • Monitor and optimize pipeline performance, security, and reliability.
  • Troubleshoot build issues and provide timely resolution.
  • Implement artifact management, version control policies, and reproducible builds.
  • Automate the generation of release notes, and a comprehensive changelog detailing all user-centric software modifications.
  • Stay current with industry trends and advancements in Yocto
  • Project and embedded Linux development.
  • Travel, as necessary, to supplier facilities, test facilities, and customer field sites to gather data, resolve problems and explore software design alternatives. Travel up to 10% of the time both domestic and international.
Requirements:
  • Bachelor's degree in computer science, Computer Engineering or similar
  • Minimum 3 years of embedded software development
  • Proficient in C/C++ programming, Git
  • Experience in building and operating CI/CD pipeline automation, log analysis and monitoring for Embedded system (Yocto project-built system)
  • Knowledge in containerization technologies such as Docker, VM
  • Knowledge in CMake build system for C++ applications

Preferred Requirements:

  • Experienced with Agile (Scrum/Kanban/SAFe) working methods
  • Knowledge of QT framework
  • Knowledge of automotive or industrial machinery
  • Knowledge of tracking systems like Polarion ALM, Atlassian Jira
  • Automotive embedded software experience

Equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities