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Entry Level Application Developer Jobs in Illinois

Engineer, Mechanical

Seneca, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

New

Engineer, Mechanical

Plainfield, IL · On-site

$87K - $154K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Plainfield, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

New

Engineer, Mechanical

Ottawa, IL · On-site

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

New

Engineer, Mechanical

Minooka, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Wedron, IL · On-site

$87K - $154K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Newark, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Mazon, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Joliet, IL · On-site

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Mazon, IL · On-site

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Dwight, IL · On-site

$87K - $154K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Joliet, IL · On-site

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Verona, IL · On-site

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Verona, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Joliet, IL · On-site

$87K - $154K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Seneca, IL · On-site

$87K - $154K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Dwight, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Morris, IL

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Minooka, IL · On-site

$114K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Engineer, Mechanical

Ottawa, IL · On-site

$87K - $154K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Please see minimum qualifications list below for each level*** * Entry Level - $87,000 * Mid-Level ... Possesses excellent knowledge in functional discipline and its practical application and has ...

Showing results 41-60

Entry Level Application Developer information

See Illinois salary details

$16

$51

$82

How much do entry level application developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for entry level application developer in Illinois is $51.01, according to ZipRecruiter salary data. Most workers in this role earn between $41.01 and $58.70 per hour, depending on experience, location, and employer.

What does an entry level application developer do?

An Entry Level Application Developer is responsible for assisting in the design, development, and maintenance of software applications. They typically work under the supervision of more experienced developers, writing code, debugging issues, and participating in testing. Their tasks may include collaborating with team members, learning new programming languages or frameworks, and contributing to the documentation of projects. This role is ideal for recent graduates or those with limited experience who are looking to start a career in software development.

What are some common challenges that entry level application developers face during their first few months on the job?

Entry-level application developers often encounter challenges such as adapting to new programming languages or frameworks, understanding existing codebases, and managing multiple tasks or deadlines. Collaborating effectively with senior developers and learning to use version control systems like Git can also be initial hurdles. However, most organizations provide mentorship and onboarding programs to help new developers integrate smoothly, develop their technical skills, and become confident contributors to their teams.

What are the key skills and qualifications needed to thrive as an entry level application developer, and why are they important?

To thrive as an Entry Level Application Developer, you need a solid understanding of programming languages (such as Java, Python, or JavaScript), problem-solving skills, and a relevant degree or coding bootcamp experience. Familiarity with version control systems (like Git), integrated development environments (IDEs), and basic knowledge of databases or cloud platforms is typically required. Strong communication, teamwork, and a willingness to learn new technologies help set you apart in this role. These skills are crucial for effectively building, maintaining, and improving applications while collaborating with experienced developers in a fast-paced environment.

What is the difference between Entry Level Application Developer vs Junior Software Engineer?

CriteriaEntry Level Application DeveloperJunior Software Engineer
Required CredentialsBachelor's in CS or related field; some certificationsBachelor's in CS or related field; some certifications
Work EnvironmentTech companies, software firms, startupsTech companies, software firms, startups
Employer & Industry UsageCommonly used in software development teamsCommonly used in software development teams
Search & Comparison IntentHigh overlap, often compared for entry rolesHigh overlap, often compared for entry roles

Both roles typically require a bachelor's degree in computer science or related fields and are employed in similar environments like tech companies and startups. The terms are often used interchangeably for entry-level positions, with slight variations depending on company terminology. Understanding these similarities helps job seekers target the right roles and tailor their applications effectively.

Are entry level application developers still in demand?

Entry level application developers are currently in demand due to ongoing digital transformation across industries. Skills in programming languages like Java, Python, or JavaScript, along with knowledge of development frameworks, increase employability in this field.

How much do entry-level application developers make?

Entry-level application developers typically earn between $50,000 and $70,000 annually, depending on location, industry, and skills such as knowledge of programming languages like Java or Python. Starting salaries may be lower in some regions but tend to increase with experience and additional certifications.

What are the most commonly searched types of Application Developer jobs in Illinois?

The most popular types of Application Developer jobs in Illinois are:

What cities in Illinois are hiring for Entry Level Application Developer jobs?

Cities in Illinois with the most Entry Level Application Developer job openings:

Infographic showing various Entry Level Application Developer job openings in Illinois as of August 2026, with employment types broken down into 81% Full Time, 15% Part Time, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $106,099 per year, or $51 per hour.

$114K - $122K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 2 days ago

New


Constellation Energy rating

8.6

Company rating: 8.6 out of 10

Based on 101 frontline employees who took The Breakroom Quiz

12th of 87 rated oil and gas companies


Job description

Who We Are

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.

Total Rewards

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more.

***This Engineering role can be filled at the Entry, Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level***

  • Entry Level - $87,000
  • Mid-Level - $92,700-114,000
  • Sr Level - $122,400-154,000

Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K

Primary Purpose of Position

Performs advanced technical/engineering problem solving in support of nuclear plant operations. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations.

Primary Duties and Accountabilities

  • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs.
  • Provide technical expertise and consultation through direct involvement to identify and resolve equipment and system problems.
  • Provide complete task management of engineering issues.
  • Perform engineering tasks as assigned by supervision applying engineering principles.
  • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications.
  • Perform independent research, reviews, studies, and analyses in support of technical projects and programs.
  • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

Minimum Qualifications

  • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 3 years of nuclear experience or related engineering experience
  • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 (4.3.4) Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants".
  • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Preferred Qualifications

  • Power plant or industrial experience preferred

What Constellation Energy employees say

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