ZipRecruiter

Log In

1

Mid Level Developer Jobs in Carol Stream, IL (NOW HIRING)

Judge Group, Inc.

Software Developer

Buffalo Grove, IL

$55 - $70/hr

This role is ideal for a mid-level developer with strong experience in C++ and embedded systems who thrives in a collaborative and agile environment. As part of the team, you will contribute to the ...

Merican

Embedded C++ Developer

Chicago, IL · On-site

Onsite Position Summary Are you a passionate and skilled Mid-Level Developer with a knack for C++ and embedded systems? We're looking for a motivated technologist to join our innovative and dynamic ...

VIVA USA INC

Embedded C++ Developer

Buffalo Grove, IL · On-site

Are you a passionate and skilled Mid-Level Developer with a knack for C++ and embedded systems? We're looking for a motivated technologist to join our innovative and dynamic team. In this role, you ...

Arete Technologies, Inc.

.Net Developer

Chicago, IL · On-site

$49.75 - $65.75/hr

SQL Server (Senior Level) * ASP.NET (Mid-Level) * Oracle Database & PL/SQL (Mid-Level) * MVC (Mid-Level) * Oracle Application Technology (Mid-Level) * Visual Basic (Mid-Level) * Experience in ...

HBK Engineering, LLC

Design Lead

Oak Brook, IL · On-site

$103K - $136K/yr

This senior-level role involves applying broad knowledge of engineering principles and practices while directly overseeing a team of up to 6 entry- and mid-level engineering staff. The position ...

HBK Engineering, LLC

Design Lead

Chicago, IL

$105K - $139K/yr

This senior-level role involves applying broad knowledge of engineering principles and practices while directly overseeing a team of up to 6 entry- and mid-level engineering staff. The position ...

HBK Engineering, LLC

Design Lead

Oak Brook, IL · On-site

$103K - $136K/yr

This senior-level role involves applying broad knowledge of engineering principles and practices while directly overseeing a team of up to 6 entry- and mid-level engineering staff. The position ...

next page

Showing results 1-20

All JobsMid Level Developer JobsMid Level Developer Jobs in Carol Stream, IL

Mid Level Developer information

See Carol Stream, IL salary details

$11.4K

$89.6K

$116.9K

How much do mid level developer jobs pay per year?

As of Jun 11, 2026, the average yearly pay for mid level developer in Carol Stream, IL is $89,639.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,100.00 and $111,200.00 per year, depending on experience, location, and employer.

What is a mid-level developer?

A mid-level developer is a software professional with several years of experience who can independently handle projects, write clean code, and troubleshoot issues. They typically have a solid understanding of programming languages, development tools, and may mentor junior team members. This role often requires familiarity with version control systems and software development methodologies.

What engineers make $500,000?

Senior software engineers, especially those with expertise in high-demand areas like machine learning, cloud computing, or fintech, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and working at large tech companies or startups with significant funding.

What are Mid Level Developers?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

What is the difference between Mid Level Developer vs Junior Developer?

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

What jobs in the US pay 300,000 a year?

Mid-level developers typically do not earn $300,000 annually; such high salaries are usually associated with senior roles like software architects, engineering managers, or specialized positions in finance, law, or executive leadership. Achieving this level often requires extensive experience, advanced skills, and sometimes working in high-paying industries or companies with performance-based bonuses.

What are the key skills and qualifications needed to thrive as a Mid Level Developer, and why are they important?

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a Mid Level Developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.

What is L1, L2, L3, and L4 developer?

In the context of a mid-level developer role, L1, L2, L3, and L4 typically refer to different levels of seniority or expertise within an organization, with L1 being entry-level and L4 representing senior or lead developers. These levels often correspond to increasing skills, responsibilities, and experience, and may influence salary, project scope, and expectations. Organizations may define these levels differently, but they generally help structure career progression and role expectations for developers.
What are the most commonly searched types of Developer jobs in Carol Stream, IL? The most popular types of Developer jobs in Carol Stream, IL are:
What job categories do people searching Mid Level Developer jobs in Carol Stream, IL look for? The top searched job categories for Mid Level Developer jobs in Carol Stream, IL are:
What cities near Carol Stream, IL are hiring for Mid Level Developer jobs? Cities near Carol Stream, IL with the most Mid Level Developer job openings:
Mid Level Developer jobs near you
Infographic showing various Mid Level Developer job openings in Carol Stream, IL as of June 2026, with employment types broken down into 1% As Needed, 96% Full Time, 2% Part Time, and 1% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $89,639 per year, or $43.1 per hour.
Mid-Level Civil/Environmental Engineer

Mid-Level Civil/Environmental Engineer

Carollo Engineers Inc.

Chicago, IL • On-site

Full-time

Medical, Life, Retirement, PTO

Posted 16 days ago

Job description

Overview

Carollo Engineers is an internationally recognized environmental engineering firm that specializes in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities. We are seeking a Mid-Level Civil/Enivormental Engineer to support our Great Lakes area growth. 

As part of our team, you will work on projects related to municipal water/wastewater treatment plants, distribution/collection systems, and pumping facilities.  This will include projects related to master planning, asset management, condition assessments, infrastructure improvements, water quality studies, treatment plant rehabilitation and expansions, and critical water reuse projects that will create sustainable and resilient water supplies.

At Carollo, you'll have the opportunity to partner with industry leaders in water research, technology, and solutions. You'll work alongside a collaborative and dynamic team of professionals that is truly passionate about our work. And you'll find that Carollo is not only the best water consulting firm, but the best place for you to build your career.  

Responsibilities
  • Performing civil engineering work in water and wastewater treatment facilities and conveyance infrastructure, focused on site design project components including site layout, yard piping, roadways, paving and grading, and stormwater infrastructure.
  • Work on engineering planning and design projects and performs conceptual and preliminary design activities including site visits, overseeing fieldwork, alternatives analysis, and report preparation.
  • Develop civil engineering plans and specifications.
  • Prepare cost estimates for various water and wastewater projects.
  • Prepares technical memoranda, reports, and electronic deliverables.
  • Assist with coordinating sub-consultant work.
  • Coordinate the work of other engineering disciplines, designers, modelers, technicians, and others who assist in specific assignments.
  • Review contractor submittals for conformance with contract plans and specifications and evaluate requests for information as part of engineering services during construction.
  • Participate in field activities such as pilot testing.
  • Permitting and alternative analysis.
  • Assists project managers with permitting submittals for treatment facilities and infrastructure projects including coordination with various governmental agencies.
  • Participates in field activities and site reconnaissance.
Qualifications
  • Bachelor's Degree in Civil or Environmental Engineering.
  • 6 to 12 years of directly relevant experience in water and wastewater engineering.
  • Registration as a Professional Engineer.
  • Application of engineering principles including critical thinking, analysis, and innovative techniques.
  • Strong verbal and written communication skills with clients and project teams.
  • Work well in a team environment.
  • Highly motivated, articulate, and self-starting.
Preferred Qualifications
  • Master's degree in Civil or Environmental Engineering.
  • Knowledge of project scheduling software.
  • Active in professional associations.
Compensation Range

An employee's pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Other Compensation and Benefits

Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the care employees and their families need to lead healthy, productive lives. Carollo's benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services and discount programs. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available.  Eligibility for benefits varies based on employment status.

#LI-CM1

Employment Type: FULL_TIME

Apply