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Freelance Integration Software Engineer Jobs in Illinois

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 · 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 ...

VIVA USA INC

Mainframe Integration Engineer

Springfield, IL · On-site

$103K - $138K/yr

Integration Engineering Skills: Skills in system integration and testing, ensuring seamless ... Software Mobius, CA-TELON, among others described throughout the RFP) for payroll system ...

Goli Tech

Sr. Seeburger Integration Engineer

Decatur, IL · On-site

$100K - $135K/yr

... engineer. * Should be able to design enhance and build new process with SEEBURGER BIS Process ... Embedded Software Integration Basic Qualification : Additional Skills : Background Check : No Drug ...

Belcan

Integration and Test 2

Rolling Meadows, IL

$81.80/hr

As an Integration & Test Systems Engineer at our client's site, you will conduct integration testing and evaluate complex electronics systems from hardware/software design through aircraft ...

Lightedge

Sr. AI Integration Engineer

Chicago, IL

$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 ...

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Freelance Integration Software Engineer information

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?

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.
What are the most commonly searched types of Integration Software Engineer jobs in Illinois? The most popular types of Integration Software Engineer jobs in Illinois are:
What are popular job titles related to Freelance Integration Software Engineer jobs in Illinois? For Freelance Integration Software Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Freelance Integration Software Engineer jobs in Illinois look for? The top searched job categories for Freelance Integration Software Engineer jobs in Illinois are:
What cities in Illinois are hiring for Freelance Integration Software Engineer jobs? Cities in Illinois with the most Freelance Integration Software Engineer job openings:
Freelance Integration Software Engineer jobs near you

Software Engineer 3

Indotronix International Corporation

Rolling Meadows, IL • On-site

$155 - $157/day

Full-time

Re-posted 10 days ago

Job description

Software Engineer 3 | Rolling Meadows, Illinois, United States
Indotronix is seeking an :Software Engineer 3
Location:-Rolling Meadows Illinois
Bachelor's degree STEM
Active Secret - Must
Work Schedule - 9x80 A
Job Description
Seeking a Software Engineer III to support the design, development, testing, and integration of software applications for mission-critical systems. This role involves developing object-oriented software solutions, graphical user interfaces, database integration, and supporting software development activities within Agile and Waterfall environments.
Key Responsibilities
  • Design, develop, test, debug, and integrate software applications using C++
  • Develop and maintain Graphical User Interfaces (GUI) for Windows-based applications
  • Support software architecture, object-oriented design, and design pattern implementation
  • Develop and maintain relational databases using SQL
  • Support software integration and testing on target hardware platforms
  • Participate in Agile and/or Waterfall software development processes
  • Utilize version control systems and Agile planning tools for software configuration management
  • Collaborate with cross-functional engineering teams to support software lifecycle activities
  • Support software documentation, troubleshooting, and continuous improvement initiatives

Required Skills
  • Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, or related field with 5+ years of experience, or Master's degree with 3+ years of experience
  • Strong Object-Oriented Programming experience in C++
  • Experience developing Graphical User Interfaces (GUI)
  • Familiarity with software architecture, object-oriented design, and design patterns
  • Experience with relational database systems and SQL
  • Experience developing software for Windows Operating Systems
  • Knowledge of Agile and/or Waterfall software development methodologies
  • Experience with version control systems such as Git, GitHub, GitLab, Bitbucket, or ClearCase
  • Familiarity with Agile planning tools such as Jira or Rally
  • U.S. Citizenship required
  • Ability to obtain and maintain a Secret or Top-Secret Security Clearance

Preferred Skills
  • Experience with C++11
  • Familiarity with scripting languages such as Python, Bash, or Batch
  • Experience testing and integrating software on hardware platforms
  • Experience with Qt framework
  • Familiarity with DOORS requirements management
  • Active Secret Clearance preferred
Indotronix logo

About Indotronix

Sourced by ZipRecruiter

In 1986, Indotronix established itself in the staffing space. 22 years later, Avani entered the scene, offering consulting and technology development. Finally, in 2016, the two joined forces to begin delivering talent across all areas, from Staffing to Consulting to unique platform development.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Rochester, NY, US

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