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Mid Level Software Engineer Jobs in Illinois (NOW HIRING)

Valkyrie Trading

Mid-Level Software Engineer

Chicago, IL · On-site

$160K - $192.50K/yr

As a Mid-Level Software Engineer at Valkyrie, you will join our interdisciplinary team to conceptualize and author the technologies that power our trading activities in financial markets. Moving ...

Valkyrie Trading

Mid-Level Software Engineer

Chicago, IL

$160K - $192.50K/yr

As a Mid-Level Software Engineer at Valkyrie, you will join our interdisciplinary team to conceptualize and author the technologies that power our trading activities in financial markets. Moving ...

Valkyrie Trading

Mid-Level Software Engineer

Chicago, IL · On-site

$160K - $192.50K/yr

As a Mid-Level Software Engineer at Valkyrie, you will join our interdisciplinary team to conceptualize and author the technologies that power our trading activities in financial markets. Moving ...

Software Technology Inc

Software Engineer 3

East Peoria, IL · On-site

$56.50 - $75.75/hr

A typical software engineer researches, designs, develops and tests operating systems-level software, compilers, and network distribution software for medical, industrial, military, communications ...

Leidos

Mid-Level Backend Software Engineer

Roxana, IL

$87.10K - $157.45K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Columbia, IL

$87.10K - $157.45K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Madison, IL

$87.10K - $157.45K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Maryville, IL

$87.10K - $157.45K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

Leidos

Mid-Level Backend Software Engineer

Dupo, IL

$87.10K - $157.45K/yr

We're hiring a Backend Software Engineer to support a high‑visibility, data‑driven application ... Identify, debug, and resolve application-level defects and performance issues * Code Quality:

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Mid Level Software Engineer information

See Illinois salary details

$61.5K

$143K

$199.1K

How much do mid level software engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for mid level software engineer in Illinois is $142,954.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,300.00 and $167,600.00 per year, depending on experience, location, and employer.

What is a Mid Level Software Engineer job?

A Mid Level Software Engineer is a professional with a few years of experience who develops, tests, and maintains software applications. They work independently on tasks, contribute to code reviews, and collaborate with teams to design and implement solutions. Mid-level engineers are expected to write clean, efficient code, troubleshoot issues, and improve system performance. They may also mentor junior developers and participate in architectural discussions. Typically, they have strong problem-solving skills and proficiency in programming languages relevant to their role.

What are the key skills and qualifications needed to thrive in the Mid Level Software Engineer position, and why are they important?

To thrive as a Mid Level Software Engineer, you need a solid understanding of software development principles, programming languages such as Java, Python, or C#, and a bachelor’s degree in computer science or a related field. Experience with version control systems like Git, familiarity with agile methodologies, and sometimes certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are advantageous. Strong problem-solving skills, teamwork, and effective communication are standout soft skills in this position. These combined skills enable engineers to deliver high-quality code, collaborate efficiently within development teams, and adapt to evolving project requirements.

What typical responsibilities can I expect as a Mid Level Software Engineer?

As a Mid Level Software Engineer, you will be involved in designing, coding, testing, and maintaining software applications, often working on both new and existing projects. You’ll collaborate with other engineers, product managers, and QA teams to deliver features that meet business requirements, while also participating in code reviews and contributing to architectural decisions. Your responsibilities may also include troubleshooting bugs, refining development processes, and occasionally mentoring junior engineers. This role typically offers a blend of technical challenge, teamwork, and opportunities for continued skill development.
More about Mid Level Software Engineer jobs
What are the most commonly searched types of Software Engineer jobs in Illinois? The most popular types of Software Engineer jobs in Illinois are:
What are popular job titles related to Mid Level Software Engineer jobs in Illinois? For Mid Level Software Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Mid Level Software Engineer jobs in Illinois look for? The top searched job categories for Mid Level Software Engineer jobs in Illinois are:
What cities in Illinois are hiring for Mid Level Software Engineer jobs? Cities in Illinois with the most Mid Level Software Engineer job openings:
Mid Level Software Engineer jobs near you
Infographic showing various Mid Level Software Engineer job openings in Illinois as of May 2026, with employment types broken down into 90% Full Time, and 10% Contract. Highlights an 88% In-person, 5% Hybrid, and 7% Remote job distribution, with an average salary of $142,954 per year, or $68.7 per hour.
Mid-Level Software Engineer

Mid-Level Software Engineer

Valkyrie Trading

Chicago, IL • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Job Summary:
Valkyrie Trading is seeking a Mid-Level Software Engineer to join their interdisciplinary team focused on developing technologies for trading activities in financial markets. The role involves taking ownership of core applications, driving their roadmaps, and contributing to the full project lifecycle while ensuring the integrity of the trading infrastructure.
Responsibilities:
• Join our interdisciplinary team to conceptualize and author the technologies that power our trading activities in financial markets.
• Take primary ownership of core applications, driving their roadmaps and ensuring long-term stability.
• Contribute to the full project lifecycle, from initial design discussions to live production support.
• Work closely with traders, quants, and other engineers to help translate stakeholder requirements into technical solutions.
Qualifications:
Required:
• At least 2 years of full-time experience in a software environment with a history of delivering well-designed code in a production system.
• Exceptional proficiency in C++ or C# across multi-threaded, server-client architectures.
• Proven track-record of taking full ownership (design, implement, test, deploy, and iterate) of complex projects.
• Deep knowledge of how individual applications interact within a larger ecosystem (networking, distributed state management, latency optimization).
• High proficiency with Git (branching strategies, merge conflict resolution), the command line (Bash/PowerShell scripting), and advanced debugging and profiling tools.
• Comfort with both Windows and Linux environments.
• Comfort resolving uncertainty through direct communication and a proactive approach to unblocking yourself and your teammates.
• A deep interest in the financial industry and the vision to solve today’s bugs while building for future scalability.
• Must have valid, ongoing, unrestricted authorization to work in the United States without the need for employer-sponsored or self-initiated immigration filings.
Company:
Valkyrie Trading is a Chicago-based company that aims to provide liquidity to various disjoint, competitive financial markets. Founded in 2011, the company is headquartered in Chicago, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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