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Mid Level React Developer Jobs in Springfield, IL

Constellation Energy

Electrical Engineer

Lincoln, 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

Lake Fork, IL

$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

Latham, 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

Lincoln, 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

Lake Fork, 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

Latham, 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

Lincoln, IL

$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

Lake Fork, 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

Lincoln, 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

Latham, 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

Lake Fork, 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

Latham, 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 ...

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Showing results 1-20

All JobsMid Level React Developer JobsMid Level React Developer Jobs in Springfield, IL

Mid Level React Developer information

See Springfield, IL salary details

$39.6K

$128.2K

$157.1K

How much do mid level react developer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for mid level react developer in Springfield, IL is $128,198.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,100.00 and $155,600.00 per year, depending on experience, location, and employer.

What does a mid level React developer do?

A Mid Level React Developer builds and maintains web applications using the React JavaScript library. They are responsible for developing user interfaces, optimizing application performance, and collaborating with designers and back-end developers to deliver seamless user experiences. Mid Level React Developers often write reusable components, manage application state, and ensure code quality through testing and code reviews. They are expected to have a solid understanding of React concepts, JavaScript ES6+, and related tools like Redux, Webpack, or Babel.

What are the key skills and qualifications needed to thrive as a mid level React developer?

To thrive as a Mid Level React Developer, you need strong proficiency in JavaScript, React.js, HTML, and CSS, often supported by a relevant degree or equivalent experience. Familiarity with development tools such as Git, RESTful APIs, and build systems like Webpack or Babel, as well as knowledge of testing frameworks, is typically expected. Effective problem-solving, teamwork, and communication skills help developers collaborate efficiently and adapt to evolving project requirements. These abilities are crucial for building scalable, maintainable applications that meet user needs and business goals.

What are some common challenges faced by mid level React developers when working on larger projects, and how can they be addressed?

Mid-level React developers often encounter challenges such as managing complex component hierarchies, ensuring consistent state management, and maintaining code readability as projects scale. To address these, developers should familiarize themselves with established patterns like Redux or Context API for state management, adopt reusable component structures, and follow best practices for code organization. Regular code reviews and collaborating closely with senior developers and designers also help ensure code quality and project alignment.

What cities near Springfield, IL are hiring for Mid Level React Developer jobs?

Cities near Springfield, IL with the most Mid Level React Developer job openings:

Mid Level React Developer jobs near you

Systems Engineer (Mid-Level)

Relative Dynamics

Springfield, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago

Job description

At Relative Dynamics we value knowledge as a process rather than knowledge as an answer. Founded in 2011 our goal is to define the new space era by continuously pushing the boundaries of engineering models services and technology development. Visit us at www.relativedynamics.space.
Relative Dynamics is a subcontractor supporting USGS Earth Resources Observation and Science (EROS) Center. In this role, you will be employed by Relative Dynamics and assigned to work on projects in support of USGS Earth Resources Observation and Science (EROS) Center.
Relative Dynamics is seeking a Mid-Level System Engineer in Sioux Falls, SD, to support the USGS Earth Resources Observation and Science (EROS) Center. This is a full-time, onsite role that requires regular in person interaction with team members, scientists, and mission partners. This role is not eligible for remote work. This team, in collaboration with NASA and the Landsat project, specializes in remote sensing and provides over fifty years of satellite imagery data to global users and science organizations.
What You'll Get to Do:
  • Work on meaningful projects that support Earth science and sustainability
  • Collaborate with experienced engineers and mentors who are passionate about innovation
  • Gain hands-on experience with cutting-edge technologies in Satellite Communications and system development
  • Be part of a team that values curiosity, creativity, and continuous learning
  • Provide engineering support and maintenance for all ground station equipment
  • Provide Satellite Communications systems engineering support to develop ground based systems in accordance with mission requirements. This includes the antenna(s), RF equipment and all associated ground station equipment.
  • Communicate and coordinate activities and technical status with the Systems Engineer, Hardware Engineers, Software Engineers, and other Project team members, as appropriate
  • Conduct systems engineering activities in accordance with an established Systems Engineering Management Plan (SEMP)
  • Support preparing operations concepts, developing and implementing requirements, and defining and documenting interface definitions
  • Conduct architecture and trade study analysis, develop integration plans, and execute formal integration testing and analysis
  • Support the integration activities at remote partner locations
  • Ensure all system activities are conducted in accordance with standards and best practices
  • Submit, analyze, and manage configuration change requests in accordance with Configuration Management (CM) processes

What You'll Need:
Required Experience
  • Bachelor's degree in Electrical Engineering, Satellite Communications/Systems Engineering, or related field.
  • Prior work experience of 4-6 years in Satellite Communications Engineering or equivalent is required for this position. Experience in satellite ground systems or Low Earth Orbit (LEO) satellite communications is a plus.
  • US Citizenship is required due to ITAR requirements
  • Three years of continuous residency in the U.S. for issuance of a Government Security credential
  • Ability to obtain and maintain a national agency check and background investigation for facility access

Required Skills
  • Strong technical abilities, excellent communication skills, and a teamwork emphasis.
  • Ability to integrate into a highly-skilled Information Technology Team.
  • Excellent interpersonal, organizational, and communication skills
  • Ability to work independently as well as part of a team
  • Knowledge of the System Development Life Cycle
  • Experience in anomaly investigations or troubleshooting activities
  • Ability to read and interpret schematics and wiring diagrams

Desired Qualifications
  • Requirements generation experience
  • Integration and Test experience

Who You Are:
  • A self-starter who thrives in a fast-paced environment
  • A quick learner who is always ready to gain depth of knowledge
  • A reliable worker who knows the importance of showing up when it counts
  • Accept assignments with open cooperative positive and team-oriented attitudes
  • Able to plan and execute plans across teams
  • Effective communicator both written and verbal

What You'll Enjoy:
  • Competitive wage and benefits package
  • Medical, dental, vision and life/disability insurance
  • Vacation and paid holidays
  • Tuition reimbursement
  • 401k with company match
  • Employee referral program
  • Community involvement investing and giving back to the community

Relative Dynamics conducts a comprehensive background check that includes drug testing. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, national origin, gender identity, sexual orientation, age, marital status, veteran status or disability status.

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