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Freelance Software Engineer Contractor Jobs in Chicago, IL

Software Engineer

Wheeling, IL · On-site

$113 - $169/hr

SUMMARY OF PRIMARY FUNCTION The Embedded software Engineer is a key member of the IDEX-Dispensing ... and contractors to deliver high-quality solutions. EXPERIENCE Minimum 5 years of experience in ...

Embedded Software Engineer

Wheeling, IL · On-site

$127.20 - $190.80/hr

Summary of Primary Function The Embedded Software Engineer is a key member of the IDEX-Dispensing ... contractors. Experience and Qualifications * Minimum 5 years of experience in embedded driver ...

Be Seen First

W2 Contractor Contract Length: 6 months, with possibility of extension Pay: $150.00 USD/hour ... A Software Engineer - Technical Advisor evaluates frontier AI coding models to identify where and ...

As a Senior Lead Software Engineer at JPMorganChase within the Corporate Investment Bank (CIB), you ... contractors, and vendors * Develops secure and high-quality production code, and reviews and debugs ...

AI Engineer - Remote

Chicago, IL · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

Embedded Software Engineer

Wheeling, IL · On-site

$127K - $190K/yr

SUMMARY OF PRIMARY FUNCTION The Embedded software Engineer is a key member of the IDEX-Dispensing ... contractors to deliver high-quality solutions. EXPERIENCE : * Minimum 5 years of experience in ...

Embedded Software Engineer

Wheeling, IL · On-site

$127K - $190K/yr

SUMMARY OF PRIMARY FUNCTION The Embedded software Engineer is a key member of the IDEX-Dispensing ... contractors to deliver high-quality solutions. EXPERIENCE : * Minimum 5 years of experience in ...

Showing results 21-40

Freelance Software Engineer Contractor information

See Chicago, IL salary details

$24.7K

$108K

$194.7K

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

As of Sep 5, 2026, the average yearly pay for freelance software engineer contractor in Chicago, IL is $108,024.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $123,600.00 per year, depending on experience, location, and employer.

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

AspectFreelance Software Engineer ContractorFreelance Software Developer
CredentialsTypically requires a degree in computer science or related field, with certifications like AWS or Microsoft Azure often preferred.Often has similar educational background; certifications are optional but can enhance credibility.
Work EnvironmentWorks independently on client projects, often with a focus on engineering solutions, system architecture, and technical problem-solving.Works independently on software applications, focusing on coding, development, and implementation.
Employer & Industry UsageHired by clients or agencies for engineering-specific tasks across various industries like tech, finance, and healthcare.Hired for software development projects in diverse sectors, including startups and large corporations.

Both roles involve freelance work and require strong technical skills, but Freelance Software Engineer Contractors often focus on system architecture and engineering tasks, while Freelance Software Developers concentrate on coding and application development. The choice depends on the project scope and technical expertise needed.

Software Engineer

IDEX

Wheeling, IL • On-site

$113 - $169/hr

Other

Medical, Retirement, PTO

Posted 4 days ago


Job description

If you're looking for a special place to build or grow your career, you've found it. Whether you're an experienced professional, a recent college graduate or somewhere in between, IDEX is a place where you can apply your existing skills and learn new ones in an environment where you can make an impact. With interesting opportunities in engineering, marketing, sales, supply chain, operations, HR, finance, and more across more than 40 diverse businesses around the globe, chances are, we have something special for you.

SUMMARY OF PRIMARY FUNCTION

The Embedded software Engineer is a key member of the IDEX-Dispensing team. He/she will work both with local team members as well as with global dispensing units (FFM & FMA) on key design and development activities in embedded systems - driver and firmware development in a hybrid role out of our Wheeling IL location. This will include coordination of research and development, new IoT product initiatives, and related engineering activities.

SPECIFIC RESPONSIBILITIES

Design, develop, and maintain embedded drivers and firmware with a strong focus on C programming for embedded systems. Develop and support real-time embedded applications using RTOS, ensuring reliability, performance, and scalability. Lead board support package (BSP) development, including board bring-up, hardware validation, and low-level debugging. Utilize Python or similar scripting tools to support automation, testing, debugging, and development workflows. Communicate effectively across engineering teams, demonstrating a clear understanding of performance, quality, and delivery standards in a professional engineering environment. Drive effective technical collaboration with cross-functional internal teams as well as external partners, suppliers, and contractors to deliver high-quality solutions.

EXPERIENCE

Minimum 5 years of experience in embedded driver/ firmware development using C programming. Strong hands-on experience on Board support package and Board bring-up is a big plus. Must have strong understanding and experience with control systems, algorithm implementation, and signal processing. Basic communication protocol UART, SPI, I2C, DMA, I2S, Advance communication protocol USB will be added advantage. Working knowledge of OLED display (driver). Ability to read schematic diagrams and understand peripheral interface is necessary. Comfortable using Oscilloscopes, Debuggers, Logic Analyzers. Experience using Python or the like to write external test code to validate embedded code. Familiar with revision control systems like SVN or Git. Ability & willing to work hands on. Should be able to conduct design review & evaluate job of third-party companies. Ability to leverage AI tools for coding.

EDUCATION LEVEL, SPECIALIZED KNOWLEDGE, TRAINING, LICENCES/ CERTIFICATIONS

Bachelor's degree in Electronics is required. Prior history in advanced technical environment such as Automotive, Heavy equipment, Industrial Application, or Healthcare. Experience working in cross functional global application teams (ex: Europe, India/Asia, etc.) a major plus. This position is not eligible for sponsorship of U.S. work visas.

Are you ready to join a different kind of company where our people, our culture, and our commitments are centered around providing trusted solutions that improve lives around the world?

Total Rewards

The compensation range for this position is $112,700.00 - $169,100.00, depending on experience. This position may be eligible for performance based bonus plan.

Benefits Package
  • Health benefits
  • 401(k) retirement savings program with company match
  • PTO
  • and more.

More information on our benefits and rewards can be found on our career page: https://www.idexcorp.com/careers/our-benefits-and-rewards/

Equal Opportunity Employer

IDEX is an Equal Opportunity Employer.

IDEX gives consideration for employment to qualified applicants without regard to race, color, religion, creed, genetic information, sex, sexual orientation, gender identity or expression, marital status, age, national origin, disability, protected veteran status, or any other consideration or protected category made unlawful by federal, state or local laws.

Accommodation for Applicants with Disabilities

Attention Applicants: If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, please let us know. Likewise, if you are limited in the ability to access or use this online application process and need an alternative method for applying, we will determine an alternate way for you to apply. Please contact our Talent Acquisition Team at lfcareers@idexcorp.com for assistance with an accommodation. These contact tools may be used only by individuals with a disability for accommodation requests. Do not inquire as to the status of an application. This posting is for an existing vacancy.

Artificial intelligence is not used to screen, assess or select applicants.

About IDEX

IDEX (NYSE: IEX) is a company that has undoubtedly touched your life in some way. In fact, IDEX businesses make thousands of products that are mission-critical components in everyday activities. Chances are the car you're driving has a BAND-IT clamp holding your side airbag safely in place. If you were ever in a car accident, a Hurst Jaws of Life rescue tool may have saved your life. If you or a family member is battling cancer, your doctor may have tested your DNA in a quest to find the best targeted medicine for you. It's likely your DNA test was run on equipment that contains components made by our growing IDEX Health & Science team.

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IDEX logo

About IDEX

Sourced by ZipRecruiter

IDEX Corporation is a global leader in fluid and metering technologies, providing a wide range of solutions for various industries. With a diverse portfolio of highly engineered products, IDEX serves customers in sectors such as healthcare, life sciences, food and beverage, water and wastewater, energy, and more. IDEX's innovative solutions help their customers optimize processes, enhance efficiency, and improve safety. IDEX's product offerings include precision fluid handling systems, pumps, valves, meters, dispensing equipment, and other specialty products. These technologies are designed to meet rigorous standards and deliver reliable performance in critical applications.

Industry

Manufacturing

Company size

5,001 - 10,000 Employees

Headquarters location

Lake Forest, IL, US

Year founded

1988

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