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Mid Level Backend Developer Jobs in Plainfield, IL

Senior Software Engineer(Python)

Chicago, IL · On-site

$126K - $166K/yr

Design, build, and maintain backend services and APIs using Python (FastAPI, Flask, Django ... Mentor junior/mid-level engineers and promote engineering best practices. Experience: - * 8+ Years ...

Mentor and coach junior and mid-level developers on React Native, mobile architecture, and ... Familiarity with cloud-native and microservices-based backend ecosystems. * Contributions to open ...

Mentor and coach junior and mid-level developers on React Native, mobile architecture, and ... Familiarity with cloud-native and microservices-based backend ecosystems. * Contributions to open ...

.Net Developer

Chicago, IL

$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 ...

We're open to hiring at the mid to senior level based on experience. This is a hybrid position that ... Develop and maintain back-end features for web applications using modern languages and frameworks.

We're open to hiring at the mid to senior level based on experience. This is a hybrid position that ... Develop and maintain back-end features for web applications using modern languages and frameworks.

Senior Scala Engineer (Hybrid)

Chicago, IL · On-site +1

$130K - $170K/yr

We're open to hiring at the mid to senior level based on experience. This is a hybrid position that ... Develop and maintain back-end features for web applications using modern languages and frameworks.

Software Engineer II (Mid-Level) - .NET Backend / Microservices (Azure) + React/Vue What You'll Do (Responsibilities) * Build and maintain backend services using C# and modern .NET (.NET 6/8; moving ...

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities ... role, level, and location. Within the range, actual individual starting pay is determined by ...

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities ... role, level, and location. Within the range, actual individual starting pay is determined by ...

Showing results 41-60

Mid Level Backend Developer information

See Plainfield, IL salary details

$11

$56

$82

How much do mid level backend developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for mid level backend developer in Plainfield, IL is $56.27, according to ZipRecruiter salary data. Most workers in this role earn between $46.15 and $66.54 per hour, depending on experience, location, and employer.

What are some typical challenges a mid level backend developer might face when working on large-scale applications?

As a Mid Level Backend Developer, you may frequently encounter challenges related to maintaining code quality and ensuring scalability as applications grow. Managing database performance, optimizing API responses, and integrating with legacy systems are common tasks that require both technical skill and problem-solving ability. Collaboration with frontend developers, DevOps engineers, and QA testers is essential to ensure smooth deployments and consistent user experiences. Staying up-to-date with new frameworks and technologies, while balancing project deadlines, is also a key part of the role.

What is a mid level backend developer?

Mid Level Backend Developers are software engineers who specialize in developing and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They usually have a few years of professional experience and are proficient in programming languages like Java, Python, Node.js, or Ruby. These developers are responsible for ensuring that data flows efficiently between the server and users, optimizing performance, and collaborating with front-end developers and other team members. Their role often includes troubleshooting server issues, writing automated tests, and implementing security best practices.

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

AspectMid Level Backend DeveloperJunior Backend Developer
Experience2-4 years0-2 years
SkillsProficient in backend frameworks, databases, API developmentBasic understanding of backend concepts, learning frameworks
ResponsibilitiesDeveloping features, troubleshooting, code reviewsAssisting in tasks, learning codebase, bug fixing
Work EnvironmentCollaborates with teams, independent problem-solving

The main difference between a Mid Level Backend Developer and a Junior Backend Developer lies in experience and skill level. Mid level developers have more hands-on experience, handle complex tasks independently, and contribute significantly to project development. Junior developers are still learning, focusing on foundational tasks and gaining industry knowledge. This distinction helps employers identify the right candidate for different stages of project involvement.

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

To thrive as a Mid Level Backend Developer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of server-side logic, and experience with relational and non-relational databases. Familiarity with frameworks (such as Spring or Express), RESTful API development, version control systems (like Git), and containerization tools (like Docker) is typically required. Effective problem-solving, collaboration, and clear communication are standout soft skills for this role. These abilities are crucial for building reliable, scalable backend systems and working efficiently within development teams.
What are the most commonly searched types of Backend Developer jobs in Plainfield, IL? The most popular types of Backend Developer jobs in Plainfield, IL are:
What cities near Plainfield, IL are hiring for Mid Level Backend Developer jobs? Cities near Plainfield, IL with the most Mid Level Backend Developer job openings:
Infographic showing various Mid Level Backend Developer job openings in Plainfield, IL as of August 2026, with employment types broken down into 75% Full Time, 16% Part Time, 1% Temporary, and 8% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $117,049 per year, or $56.3 per hour.

Mid-level Environmental Planner - Transmission focus

AECOM

Chicago, IL • On-site

$72K - $92K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

New


AECOM rating

8.4

Company rating: 8.4 out of 10

Based on 66 frontline employees who took The Breakroom Quiz

7th of 80 rated construction


Job description

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM has an exciting opportunity for a Mid-level Environmental Planner - Transmission focus to join our Environmental Planning and Permitting (EPP) team in the Midwest region. This hybrid role offers flexibility and can be based in AECOM’s Indianapolis, Chicago, Columbus, Cleveland, Minneapolis, St. Louis, Kansas City, or Detroit offices, with consideration also given to candidates across the Upper Midwest.

AECOM's EPP team serves numerous private industry and public utility energy clients, on a variety of energy projects including transmission, grid modernization, and renewable energy developments.  In this role you will lead or support project teams and work with our environmental planning practitioners and technical subject matter experts to prepare environmental documents, with a particular focus on supporting permitting and entitlement work for our growing line of work with energy developers and utilities. Projects range from regional transmission programs and grid modernization efforts to large-scale renewable energy developments and complex, multi-jurisdictional permitting efforts. 

This role would involve serving as a seller-doer, responsible for developing and maintaining client relationships, leading pursuits and project teams, and expanding AECOM's energy permitting and environmental planning portfolio across the Midwest and supporting strategic growth initiatives throughout the U.S. 

The responsibilities of this role would include, but are not limited to: 

  • Lead or support environmental planning and compliance efforts for energy infrastructure projects, and coordination and filings with state utility regulatory agencies and public service commissions to support transmission siting, routing, permitting, and certificate approval processes across Midwest jurisdictions, especially within MISO, PJM, and SPP regions. Will include preparation of technical studies and NEPA documentation. 
  • Manage early-stage due diligence efforts for siting energy projects and associated infrastructure. 
  • Provide project management on small to mid-sized projects, and support large-sized projects, including developing and tracking project schedules, budgets, invoicing, and coordination with clients, technical staff and subconsultants. 
  • Work on environmental documents and entitlements related to high-profile infrastructure projects, with particular emphasis on energy sector projects. 
  • Support projects across the Midwest and other U.S. markets by leveraging AECOM's national technical and project delivery platform. 
  • Contribute to marketing and business development, preparation of proposals, and formulating proposal cost estimates as a seller-doer. 
  • Mentor and develop junior and mid-level staff by reviewing work products, providing technical guidance, and supporting career development. 

About AECOM’s Environment Business Line 
Join AECOM to be part of an expert global team who is connected through a well-developed, worldwide, internal technical practice network through which you can learn from and brainstorm with the best in the world. AECOM is an industry-leading, world class environmental firm, and we want you to succeed within it.  We respect and encourage your own pathway to excellence via our Freedom to Grow initiative. 
 
AECOM is known for our award-winning technical excellence, leading-edge science and innovative project delivery. We provide sustainable solutions for some of the world’s most challenging issues. Our global clients and their projects span a variety of market sectors and geographies and require innovative technical solutions to solve wide-ranging environmental problems. 

Qualifications

Minimum Requirements: 

  • Bachelor's degree in environmental planning, environmental science, geography, natural resources, engineering, or a related field. 
  • 4 years of relevant experience or demonstrated equivalency of experience and/or education in electric transmission and renewable energy (e.g., solar, wind, energy storage) through supporting the preparing state utility permitting applications, routing and siting analysis, critical issues analysis, land use entitlement applications and/or overseeing multi-disciplinary technical teams for resource technical studies and permitting. 
  • Ability to travel for agency/client meetings, as needed. 
  • A valid U.S Driver's license is required for this role. 
  • Due to the nature of this work, U.S. Citizenship is required. 

Preferred Qualifications: 

  • 6+ years successfully managing or supporting permitting and preparing state utility commission and related documentation, strong understanding of current state and federal regulations and guidance.   
  • Electric transmission and renewable energy (e.g., solar, wind, energy storage) experience through preparing or supporting state utility commissions documents, routing and siting analysis, critical issues analysis, land use entitlement applications and/or overseeing multi-disciplinary technical teams for resource technical studies and permitting, as well as NEPA documentation. 
  • Experience with complex transmission and renewable energy permitting programs, including permitting, agency negotiation, and multi-state routing effort. 
  • Experience with transmission permitting, routing, and certificate proceedings before state utility commissions and public service commissions within the Midwest or other U.S. jurisdictions.
  • Experience supporting regulatory hearings or expert witness testimony is a plus. 
  • Project or deputy project management experience on environmental planning projects, including client interaction, schedule and budget controls, and invoicing. 
  • Experience supporting client development, proposal preparation, and/or business development pursuits. 
  • Experience in managing or supporting environmental planning or permitting projects, including scope, schedule, budget, and client communications. 
  • Experience in proposal development. 
  • Experience working in a fast-paced consulting environment, managing and mentoring staff. 

Additional Information
  • Relocation is not available for this position.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. 


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