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Mid Level Frontend Developer Jobs in Addison, IL

As a member of a multi-disciplined engineering and design team, you will work on a wide range of power plant projects and perform civil site development work including creating calculations, designs ...

Mid-Level Civil Engineer

Chicago, IL · On-site

$84K - $129K/yr

This position will require you to perform civil engineering reviews and analyses to understand power projects and distill technical expertise into actionable information that project stakeholders ...

Perform structural engineering reviews * Prepare structural design specifications * Advise power project developers to support new utility-scale solar, wind, battery energy storage, thermal, and ...

Mid-Level Civil Engineer

Chicago, IL · On-site

$84.76 - $129.50/hr

This position will require you to perform civil engineering reviews and analyses to understand power projects and distill technical expertise into actionable information that project stakeholders ...

A BS in Electrical Engineering degree from an ABET-accredited engineering program is required and an emphasis in power systems is preferred. * 3 or more years of experience in power plant or ...

This position will require you to perform civil engineering reviews and analyses to understand power projects and distill technical expertise into actionable information that project stakeholders ...

As a member of a multi-disciplined engineering and design team, you will work on a wide range of power plant projects and perform civil site development work including creating calculations, designs ...

This position will require you to perform civil engineering reviews and analyses to understand power projects and distill technical expertise into actionable information that project stakeholders ...

C#/.NET Developer

Chicago, IL · On-site +1

$49.75 - $65.75/hr

... mid-level C#/.NET Developer to join our team Responsibilities/Skills: * C#/.NET development experience * ASP.NET, WebForms framework, javascript, jQuery development experience (strong front end ...

Senior Salesforce Developer

Chicago, IL · On-site

$129K - $158K/yr

... mid-level businesses. They are seeking a Senior Salesforce Developer who is capable in full-stack contexts with a keen interest in front-end development to create sophisticated, tailored web ...

Showing results 41-60

Mid Level Frontend Developer information

See Addison, IL salary details

$42.6K

$110.6K

$155.8K

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

As of Aug 12, 2026, the average yearly pay for mid level frontend developer in Addison, IL is $110,619.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,200.00 and $121,200.00 per year, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a mid level frontend developer?

To thrive as a Mid Level Frontend Developer, you need strong proficiency in HTML, CSS, JavaScript, and modern frontend frameworks like React or Angular, along with a relevant degree or equivalent experience. Familiarity with version control systems (such as Git), build tools, and testing frameworks is typically required. Effective problem-solving, attention to detail, and clear communication are essential soft skills for collaborating with designers and backend developers. These skills ensure the delivery of high-quality, user-friendly web applications that meet both technical and business requirements.

What are common challenges a mid level frontend developer faces when integrating with backend services, and how can these be managed?

Mid Level Frontend Developers often encounter challenges such as handling inconsistent API responses, managing asynchronous data flows, and ensuring seamless communication between the frontend and backend. To address these issues, it's important to collaborate closely with backend developers, maintain clear API documentation, and use tools like Postman or Swagger for testing. Additionally, implementing robust error handling and utilizing state management libraries can help ensure a smooth user experience and efficient debugging.

What is a mid level frontend developer?

Mid Level Frontend Developers are professionals with a few years of experience building and maintaining the user-facing parts of websites or web applications. They are proficient in HTML, CSS, and JavaScript, and often work with frameworks like React, Angular, or Vue.js. Mid level developers are capable of taking on more complex features and tasks independently, collaborating with designers and backend developers, and contributing to code reviews and project planning. They bridge the gap between junior and senior roles by demonstrating problem-solving skills, code quality, and a good understanding of best practices.
What cities near Addison, IL are hiring for Mid Level Frontend Developer jobs? Cities near Addison, IL with the most Mid Level Frontend Developer job openings:
Infographic showing various Mid Level Frontend Developer job openings in Addison, IL as of August 2026, with employment types broken down into 77% Full Time, 16% Part Time, and 7% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $110,619 per year, or $53.2 per hour.

Mid-Level Structural Engineer

Sargent & Lundy

Chicago, IL • Hybrid

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago


Sargent & Lundy rating

8.4

Company rating: 8.4 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

122nd of 447 rated engineering


Job description

Description

This position is based on a hybrid work schedule and will require in-office work 3 days per week.

SLC works on behalf of clients to support utility-scale solar, wind, battery energy storage, thermal power, and other power and infrastructure projects. We evaluate and optimize technical, commercial, environmental, social responsibility, and financial aspects of the projects for a variety of clients.

This position will require you to perform structural engineering reviews and analyses in order to understand power projects and distill technical expertise into actionable information that project stakeholders rely on to prudently develop, design, construct, operate, and finance renewable energy projects being built in the United States and overseas. You will work with multi-discipline project teams to provide a variety of services, such as the following:

  • Perform structural engineering reviews
  • Prepare structural design specifications
  • Advise power project developers to support new utility-scale solar, wind, battery energy storage, thermal, and other projects;
  • Evaluate new power and infrastructure projects independently to support financing
  • Develop technical reports for applicable audiences - including owners, developers, governmental agencies and committees, and financiers
Qualifications

We do not sponsor employees for work authorization in the U.S. for this position.

Essential skills and experience: 

  • This position requires a Bachelor's degree in civil/structural engineering with a structural specialty. A Master's degree in civil/structural engineering or business (e.g., MBA) discipline is a plus.
  • 5+ years of detailed structural design, including mass concrete, steel, piles, deep foundations, lattice structures, etc.,
  • 3+ years of experience working in detailed structural design specific to power generation or distribution (thermal, renewable, substations, etc.)
  • Experience in writing and providing support documentation for Structural Engineering specifications, calculations, and whitepapers or feasibility studies.
  • Ability to work in a team environment
  • Excellent written and verbal communication skills, including technical evaluation report writing

Valued but not required skills and experience:

  • Professional Engineering (PE) or Structural Engineering (SE) license
  • Finite element modeling experience - specifically SAP2000, LPILE, STAAD, etc.
  • Experience with design of foundations in unique subsurface conditions (i.e. karst, high groundwater, potential for liquefaction)
  • Multi-discipline teamwork (i.e. design projects, co-ops)
  • Data analysis and visualization
  • Project finance or business acumen
  • Conceptual project design
  • Construction project management and/or scheduling software knowledge
  • Solid interpersonal skills and ability to work with and guide others
  • Project planning, leadership, and organizational skills
  • Project planning, leadership, and organizational skills
AI & Automation at Sargent & Lundy

In this role, we expect people to be willing or able to lead others who use modern tools:

  • You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
  • Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
  • Overseeing engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs, is valued but not required.
  • We also value additional learning, such as a minor, certificate, or other experience in Computer Science, Artificial Intelligence, Software Engineering, or related fields that enables effective oversight of automation and agentic AI-enabled engineering workflows.
Award-Winning Benefits

At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.

Health & WellnessFinancial BenefitsWork-Life Balance
  • Health Plans: Medical, Dental, Vision
  • Life & Accident Insurance
  • Disability Coverage
  • Employee Assistance Program (EAP)
  • Back-Up Daycare
  • FSA & HSA
  • 401(k)
  • Pre-Tax Commuter Account
  • Merit Scholarship Program
  • Employee Discount Program
  • Corporate Charitable Giving Program
  • Tuition Assistance
  • First Professional Licensure Bonus
  • Employee Referral Bonus
  • Paid Annual Personal/Sick Time (PST)
  • Paid Vacation
  • Paid Holidays
  • Paid Parental Leave
  • Paid Bereavement Leave
  • Flexible Work Arrangements
Compensation Range$84,762 - $129,498Transparency StatementSargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.Equal Opportunity

Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.

Employment Type: FULL_TIME

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About Sargent & Lundy

Sourced by ZipRecruiter

Sargent & Lundy is one of the most experienced full-service architect-engineering firms in the world. Founded in 1891, the firm is a global leader in power and energy with expertise in grid modernization, renewable energy, energy storage, nuclear power, and fossil fuels. Sargent & Lundy delivers comprehensive project services--from consulting, design and implementation to construction management, commissioning and operations/maintenance--with an emphasis on quality and safety. The firm serves public and private sector clients in the power and energy, gas distribution, industrial, and government sectors.

Industry

Civil engineering construction

Company size

1,001 - 5,000 Employees

Headquarters location

Chicago, IL, US

Year founded

1891

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