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Freelance Software Reverse Engineer Jobs in Chicago, IL

CACI International, Inc.

Software Engineer

Lisle, IL · On-site

Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... Experience with reverse engineering of binary applications, protocols and formats * Experience ...

CACI International, Inc.

Software Engineer

Lisle, IL · On-site

Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... Experience with reverse engineering of binary applications, protocols and formats * Experience ...

Vivid Seats

Software Engineer

Chicago, IL

As a Software Engineer , you'll join a highly specialized internal team focused on building the ... Comfort manipulating data, reverse-engineering workflows, and adapting to frequently changing ...

Vivid Seats

Software Engineer

Chicago, IL · Hybrid

As a Software Engineer , you'll join a highly specialized internal team focused on building the ... Comfort manipulating data, reverse-engineering workflows, and adapting to frequently changing ...

Vivid Seats

Software Engineer

Chicago, IL · On-site

As a Software Engineer , you'll join a highly specialized internal team focused on building the ... Comfort manipulating data, reverse-engineering workflows, and adapting to frequently changing ...

Timken

Service Center Engineer

Mokena, IL · On-site

Measure and reverse engineer non Philadelphia Gear components * Provide calculations for ... Proficiency with SolidWorks 3D drawing software preferred, or other similar CAD design software

EndoSec LLC

FPGA Engineer

Schaumburg, IL · On-site

$127.70K - $164K/yr

Hardware/Software Design: Work closely with other engineers to integrate FPGA designs with ... reverse engineering techniques - Experience with hardware acceleration techniques for ...

EndoSec LLC

FPGA Engineer

Chicago, IL · On-site

$133.90K - $172K/yr

Hardware/Software Design: Work closely with other engineers to integrate FPGA designs with ... reverse engineering techniques - Experience with hardware acceleration techniques for ...

Timken

Service Center Engineer

Mokena, IL

Measure and reverse engineer non Philadelphia Gear components * Provide calculations for ... Proficiency with SolidWorks 3D drawing software preferred, or other similar CAD design ...

Helm Tool

Be Seen First

Mold Design Engineer

Schaumburg, IL · On-site

$30 - $40/hr

Reverse Engineering: Lead reverse engineering projects with inspection, re-designing, and upgrading ... Software Systems: Well versed in the MS Office suite (Outlook, Word, Excel, Powerpoint, etc)

EndoSec LLC

FPGA Engineer

Elk Grove Village, IL

$128.10K - $164.50K/yr

Apply Now RTL, C/C++, Python, VHDL, Verilog, Tcl, cryptography, hardware, embedded software, System ... reverse engineering, cocotb, pyuvm Full Time Travel required to 10%. Must be able to apply for and ...

EndoSec LLC

FPGA Engineer

Elk Grove Village, IL

$128.10K - $164.50K/yr

Apply Now RTL, C/C++, Python, VHDL, Verilog, Tcl, cryptography, hardware, embedded software, System ... reverse engineering, cocotb, pyuvm Full Time Travel required to 10%. Must be able to apply for and ...

NAVA Software Solutions

Technical Architect

Chicago, IL · On-site

$68.25 - $82.50/hr

NAVA Software solutions is looking for a Technical Architect Details: Technical Architect Location ... Demonstrated experience performing reverse engineering custom applications. * Well versed with ...

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Freelance Software Reverse Engineer information

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$15

$49

$136

How much do freelance software reverse engineer jobs pay per hour?

As of May 31, 2026, the average hourly pay for freelance software reverse engineer in Chicago, IL is $49.15, according to ZipRecruiter salary data. Most workers in this role earn between $25.00 and $63.65 per hour, depending on experience, location, and employer.

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

To thrive as a Freelance Software Reverse Engineer, you need advanced knowledge of programming languages, binary analysis, operating system internals, and a strong background in computer science or related fields. Expertise with technical tools such as IDA Pro, Ghidra, OllyDbg, Wireshark, and proficiency in using debuggers and disassemblers is typically required. Strong analytical thinking, problem-solving, attention to detail, and effective communication with clients are standout soft skills in this role. These competencies are crucial for efficiently deconstructing software, understanding its functionality, and delivering actionable insights or solutions for clients.

What are some common challenges faced by freelance software reverse engineers when working with clients?

Freelance software reverse engineers often encounter challenges such as incomplete or unclear project requirements, which can make it difficult to determine the exact scope of work. Additionally, working with obfuscated or poorly documented code can slow progress and require creative problem-solving. Communication is key, as clients may not always understand the technical complexities involved, so setting realistic expectations and providing regular updates is essential. Freelancers must also stay current with evolving tools and legal considerations, especially when handling proprietary or protected software.

What are freelance software reverse engineers?

Freelance software reverse engineers are independent professionals who analyze and deconstruct software to understand its inner workings, functionality, and design. They often work on projects like software debugging, security analysis, compatibility research, or recovering lost source code. Unlike in-house engineers, freelancers take on contract-based assignments for different clients rather than working for a single employer. Their work often requires advanced technical skills and a thorough knowledge of programming, operating systems, and software architectures. This role can be essential for organizations seeking to improve software security, ensure compliance, or maintain legacy systems.

What is the difference between Freelance Software Reverse Engineer vs Freelance Malware Analyst?

AspectFreelance Software Reverse EngineerFreelance Malware Analyst
CredentialsKnowledge of programming, debugging, and reverse engineering toolsKnowledge of malware behavior, analysis tools, and cybersecurity principles
Work EnvironmentRemote, project-based, often collaborating with security teams or clientsRemote, focused on analyzing malicious code and threats for clients or security firms
Industry UsageSoftware development, cybersecurity, security consultingCybersecurity, threat intelligence, incident response
Search & Comparison IntentOften compared for skills in reverse engineering and software analysisCompared for expertise in malware detection and cybersecurity threats

While both roles involve analyzing software, Freelance Software Reverse Engineers focus on understanding and deconstructing software code, whereas Freelance Malware Analysts specialize in identifying and mitigating malicious threats. The two roles often overlap but serve distinct purposes in cybersecurity and software development.

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

Software Engineer

CACI International, Inc.

Lisle, IL • On-site

Full-time

Medical, Retirement, PTO

Posted 11 days ago

Job description

Job Title: Software Engineer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
The Opportunity:
You will demonstrate breadth and flexibility by contributing at various levels of software development including firmware, device drivers, real-time operating systems (RTOS) and application software. You will be part of a team that solves the most complex networking and communications challenges facing the U.S. Federal Government. You will help deliver groundbreaking research, and advanced networking and communications solutions that provide an information advantage that contributes to the mission and operational success of CACI customers.
Responsibilities:
  • Design, develop, integrate, test, and maintain complex software solutions in telecommunications and IP/computer networking equipment in the cyber security domain
  • Work with a product development team to develop concepts, identify creative solutions to user requests and assess feasibility of these solutions
  • Consult on technical activities spanning multiple technical disciplines including security analysis, software/tool development, software test, lab environment, development environment and system infrastructure
  • Act as the technical liaison to customers in representing key issues
  • Operate effectively and comfortably in a team environment, as a team member and as a team leader. This includes the ability to work across organizational boundaries, as necessary
  • Assist technical management in facilitating process changes needed to meet customer quality and schedule requirements
  • Interact with product development teams, project managers and partners
  • Prioritize work including meeting schedules, identifying risks and delivering high quality software
  • Understand and adhere to all CACI Ethical and Compliance policies
  • Proactively ensure a safe work environment and adhere to CACI EH&S policies and procedures
  • Perform other duties as required

Qualifications Required:
  • Bachelor's and/or Master's Degree in Computer Engineering, Computer Science, Electrical Engineering or related technical discipline
  • Minimum of 5 years of experience or an equivalent combination of education, skills, and experience
  • Familiar with development in either Windows, Linux and/or Unix-based operating systems
  • Software development skills in languages such as: C, C++, Python or comparable languages
  • Use of development tools (e.g. editors and compliers)
  • Willingness and ability to quickly learn new technologies

Desired:
  • Familiarity with software security concepts such as intrusion detection, cryptography, authentication, firewalls, secure coding practices.
  • Understanding of network hardware, systems and software application.
  • Knowledge of Internet routing protocols, TCP/IP stack and tools
  • Experience developing software for embedded systems
  • Familiarity with multi-threaded applications and multi-processor systems
  • Familiarity with low-level programming such as device-driver and OS programming
  • Understanding of processor architectures (ARM, MIPS, x86, PowerPC) and associated assembly language programming
  • Experience with reverse engineering of binary applications, protocols and formats
  • Experience debugging system-level issues with various lab equipment.
  • Strong oral and written communication skills
  • Ability to work both independently and as a collaborative team member
  • Flexibility to adapt to new and changing environments
  • Knowledge of telephony
  • Familiar with software engineering process concepts from requirements reviews, code inspection to component delivery and sign-off
  • Knowledge of Microsoft software applications and other software applications as required

There is no clearance requirement to begin employment. However, as a requirement of continued employment in this position you will be required to obtain a TS/SCI clearance.
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$90,300 - 189,600 USD
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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