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Mid Level Software Engineer Jobs in Sterling, IL

Harris

Software Engineer

Oregon, IL

$80K - $90K/yr

... higher-level aspects of the development process, such as requirements analysis, design ... software engineering principles, design patterns, algorithms, and system architecture ...

Constellation Energy

Electrical Engineer

Erie, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Thomson, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Morrison, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Thomson, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Erie, IL · On-site

$87K - $154K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Morrison, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Morrison, IL · On-site

$87K - $154K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Erie, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Albany, IL · On-site

$87K - $154K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Albany, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Electrical Engineer

Albany, IL · On-site

$92K - $114K/yr

This Engineering role can be filled at the Entry, Mid-level, or Senior Engineer level. Please see minimum qualifications list below for each level*** Expected salary range: Entry-Level - $87,000 Mid ...

Constellation Energy

Mechanical Systems Engineer

Polo, IL · On-site

$92K - $154K/yr

Mid Level - $92,700-$114,000 Sr Level - $122,400-$154,000 Ranges are per year based on experience ... Assure all engineering products prepared are in accordance with applicable safety analyses ...

Constellation Energy

Mechanical Systems Engineer

Polo, IL · On-site

$122K - $154K/yr

Mid Level - $92,700-$114,000 Sr Level - $122,400-$154,000 Ranges are per year based on experience ... Assure all engineering products prepared are in accordance with applicable safety analyses ...

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All JobsMid Level Software Engineer JobsMid Level Software Engineer Jobs in Sterling, IL

Mid Level Software Engineer information

See Sterling, IL salary details

$60.1K

$139.7K

$194.6K

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

As of Jul 26, 2026, the average yearly pay for mid level software engineer in Sterling, IL is $139,671.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,600.00 and $163,800.00 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 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.

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 are the most commonly searched types of Software Engineer jobs in Sterling, IL? The most popular types of Software Engineer jobs in Sterling, IL are:
What are popular job titles related to Mid Level Software Engineer jobs in Sterling, IL? For Mid Level Software Engineer jobs in Sterling, IL, the most frequently searched job titles are:
What cities near Sterling, IL are hiring for Mid Level Software Engineer jobs? Cities near Sterling, IL 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 Sterling, IL as of July 2026, with employment types broken down into 1% Locum Tenens, 88% Full Time, 7% Part Time, 3% Contract, and 1% Nights. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $139,671 per year, or $67.1 per hour.
Software Engineer

Software Engineer

Harris

Oregon, IL

$80K - $90K/yr

Full-time

Posted 16 days ago

Harris Computer rating

8.5

Company rating: 8.5 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

78th of 245 rated software companies

Job description

Responsibilities & Duties:
- Write code and contribute to the development of software applications, modules, or components.
- Participate in higher-level aspects of the development process, such as requirements analysis, design, architecture, system integration, testing, and project management.
- Partake in testing code to identify and fix bugs and ensure the quality and reliability of the software.
- Collaborate with other team members, including software architects, designers, and product managers, to ensure alignment with project goals and timelines.

- Proficiency in Java: Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and concurrency/multithreading.

- Enterprise Frameworks: Experience with Spring in particular Spring Boot.

- RESTful API Design: Experience designing, building, and securing robust, scalable REST APIs for third-party integrations and internal UI consumption.

- Database Expertise: Proficiency with relational and non-relational databases (e.g., PostgreSQL, MySQL, MongoDB).

- Search Engine Technology: Experience with search and indexing technologies such as Elasticsearch.

- Experience in React, Next.js and Material UI.

- Worked on AI assisted development (e.g. GitHub Copilot, Claude, Cursor or ChatGPT)

- Familiarity with AI directed prompt engineering for developing applications.


Requirements:
- Bachelor's degree or Diploma in Computer Science, Engineering, related field, or equivalent work experience.
- 3+ years of experience in software development, with proficiency in one or more programming languages.
- Understanding of software engineering principles, design patterns, algorithms, and system architecture.
- Familiarity with modern software development tools, frameworks, and methodologies.

Salary range: $80,000 - $90,000 USD per year.

What Harris Computer employees say

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Benefits

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About Harris Computer Systems

Sourced by ZipRecruiter

Harris Computer Systems, based in Ottawa, ON, CA, is an established player in the field of public sector software technology. Since its inception in 1976, the company has been striving to make clients' operations more efficient through reliable, practical, and flexible software solutions. Its extensive portfolio primarily serves utility, healthcare, public sector, and educational institutions, contributing to the betterment of public services through technology. Harris strongly believes in the value of forward-thinking technology and the power it has to drive progress for the public sector. This methodology is entirely in line with their mission to ensure customer success by providing reliable, practical, and robust software solutions.

Industry

Accounting services

Company size

1,001 - 5,000 Employees

Headquarters location

Ottawa, ON, CA

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