ZipRecruiter

Log In

1

Freelance Embedded System Software Engineer Jobs in Peoria, IL

Epitec

Embedded Software Engineer 2

Chillicothe, IL · On-site

$45 - $52/hr

Embedded Software Engineer 2 Location: Mossville, IL Job Type: Contract (12 Months) Expected Hours ... The ideal candidate will have strong C++ development experience, embedded systems expertise, and ...

ARi

Sr. Embedded Software Engineer (C++ & MATLAB)

Peoria, IL · On-site

$90K - $110K/yr

Translate system requirements into software design and implementation. Perform software integration ... Required Skills Strong programming skills in Embedded C and C++. Experience with C Test and Google ...

RFA Engineering

Embedded Software Engineer

Chillicothe, IL · On-site

$75K - $115K/yr

Embedded Software Engineer This position is associated with the design and development of embedded ... Collaborate with electrical, systems, validation, and manufacturing teams to ensure successful ...

next page

Showing results 1-20

All JobsEmbedded System Software Engineer JobsFreelance Embedded System Software Engineer JobsFreelance Embedded System Software Engineer Jobs in Peoria, IL

Freelance Embedded System Software Engineer information

See Peoria, IL salary details

$68.7K

$150.5K

$170.7K

How much do freelance embedded system software engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for freelance embedded system software engineer in Peoria, IL is $150,498.00, according to ZipRecruiter salary data. Most workers in this role earn between $129,000.00 and $169,700.00 per year, depending on experience, location, and employer.

What does a freelance embedded system software engineer do?

A Freelance Embedded System Software Engineer designs, develops, and tests software that runs on embedded systems, which are specialized computing systems within larger devices like cars, appliances, or industrial machines. They typically work independently or on a contract basis, collaborating with clients to understand requirements and deliver customized software solutions. Their responsibilities often include writing low-level code, optimizing for performance and memory usage, and troubleshooting hardware-software integration issues.

What are the key skills and qualifications needed to thrive as a freelance embedded system software engineer?

To thrive as a Freelance Embedded System Software Engineer, you need a solid background in embedded C/C++ programming, microcontroller architecture, and real-time operating systems, often supported by a degree in electrical engineering or computer science. Familiarity with hardware debugging tools, version control systems (like Git), and development platforms such as ARM, AVR, or PIC is typically required. Strong problem-solving skills, self-motivation, and clear client communication help freelancers stand out in this role. These competencies ensure reliable, efficient solutions and successful project delivery in dynamic and client-driven environments.

How do freelance embedded system software engineers typically manage project scope and communication with clients?

Freelance embedded system software engineers often work independently or as part of small remote teams, making clear communication and project scope management essential. They regularly use project management tools and set milestones to clarify deliverables and timelines with clients. Addressing technical constraints and hardware integration challenges early in the process helps avoid misunderstandings. Frequent status updates and transparent discussions about changes or obstacles ensure projects stay on track and meet client expectations.

What is the difference between Freelance Embedded System Software Engineer vs Embedded Firmware Developer?

AspectFreelance Embedded System Software EngineerEmbedded Firmware Developer
CredentialsTypically requires a degree in electrical engineering, computer science, or related fields; certifications are optionalSimilar educational background; certifications like Certified Embedded Systems Engineer can be advantageous
Work EnvironmentIndependent, project-based work often remote; collaborates with multiple clientsUsually employed by a company or works on in-house projects; may work on-site or remotely
Industry UsageUsed across various industries including IoT, automotive, consumer electronicsPrimarily in product development, consumer electronics, automotive, and industrial systems

Both roles require embedded programming skills and knowledge of hardware. The main difference lies in the work setting: Freelance Embedded System Software Engineers work independently on diverse projects, while Embedded Firmware Developers are often employed by companies focusing on firmware development for specific products.

What are the most commonly searched types of Embedded System Software Engineer jobs in Peoria, IL?

The most popular types of Embedded System Software Engineer jobs in Peoria, IL are:

What are popular job titles related to Freelance Embedded System Software Engineer jobs in Peoria, IL?

For Freelance Embedded System Software Engineer jobs in Peoria, IL, the most frequently searched job titles are:

What job categories do people searching Freelance Embedded System Software Engineer jobs in Peoria, IL look for?

The top searched job categories for Freelance Embedded System Software Engineer jobs in Peoria, IL are:

What cities near Peoria, IL are hiring for Freelance Embedded System Software Engineer jobs?

Cities near Peoria, IL with the most Freelance Embedded System Software Engineer job openings:

Freelance Embedded System Software Engineer jobs near you
Infographic showing various Freelance Embedded System Software Engineer job openings in Peoria, IL as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $150,498 per year, or $72.4 per hour.

Embedded Software Engineer

3B Staffing LLC

Mossville, IL • On-site

$55 - $58/hr

Full-time

Posted 6 days ago

Job description

Title: Embedded Software Engineer

Client: Caterpillar

Location: Mossville, IL (Onsite 5 days/week)

Duration: 6+ Months

Visa: No H1B/CPT (Genuine)

Rate: $55-58/h. C2C

Caterpillar Robotics / Detect Safety Applications

Position Overview

Caterpillar is seeking an Embedded Software Engineer to support the Detect Application team within the Robotics division. This engineer will work on safety detection technologies used in mining and autonomous machinery, contributing to the design, development, integration, and testing of embedded software features on electronic controls.

The role involves developing embedded software solutions in a Linux environment, troubleshooting issues, creating validation plans, and collaborating with global software, systems, machine, and validation engineering teams in an Agile environment.

Key Responsibilities

  • Design, develop, integrate, and test embedded software features
  • Develop software using C++ in Linux environments
  • Perform software design, requirements decomposition, and code reviews
  • Troubleshoot and resolve software issues through debugging and triage
  • Develop validation plans and support testing activities
  • Collaborate with global cross-functional engineering teams
  • Participate in Agile sprint ceremonies and daily standups
  • Support communication across systems, software, machine, and validation teams

Required Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or related field
  • 6-7+ years of embedded software engineering experience

o Master's degree considered with 5+ years of industry experience

  • Strong programming skills in C/C++
  • Experience with Linux development environments
  • Experience with Git, debuggers, and compilers
  • Experience with C Test and GTest frameworks
  • System-level feature design and specification experience
  • Knowledge of communication protocols such as CAN, Ethernet, or similar datalinks

Preferred Qualifications

  • Experience with GStreamer
  • Experience with robotics, autonomy, or autonomous systems
  • Familiarity with detection/sensor technologies
  • Experience developing safety-critical or machine control software

Key Soft Skills

  • Strong software design and analytical skills
  • Ability to communicate technical positions effectively without confrontation
  • Concise written communication
  • Strong collaboration and interpersonal skills
  • Ability to work successfully within a global, culturally diverse team

Red Flags

  • Lack of emotional intelligence
  • Poor collaboration or communication skills

Interview - will have a technical assessment and a live coding interview.

Apply