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Senior Backend Developer Jobs in Illinois (NOW HIRING)

Senior Engineer Software, Backend

Schaumburg, IL · On-site

$120K - $159K/yr

The Senior Software Engineer leads technical initiatives and drives engineering excellence across ... NET / C# (preferred) or a comparable backend stack Company : Paylocity is an award-winning provider ...

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... high‑visibility, data‑driven application used across the organization for analytics and ...

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... high‑visibility, data‑driven application used across the organization for analytics and ...

... senior levels, you'll thrive here. We're hiring a Backend Software Engineer to support a ... high‑visibility, data‑driven application used across the organization for analytics and ...

Showing results 21-40

Senior Backend Developer information

See Illinois salary details

$62K

$135.5K

$184.6K

How much do senior backend developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior backend developer in Illinois is $135,507.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,800.00 and $151,700.00 per year, depending on experience, location, and employer.

What does a senior backend developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

What are the key skills and qualifications needed to thrive as a senior backend developer, and why are they important?

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

What are common challenges senior backend developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.
What are the most commonly searched types of Backend Developer jobs in Illinois? The most popular types of Backend Developer jobs in Illinois are:
What are popular job titles related to Senior Backend Developer jobs in Illinois? For Senior Backend Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Senior Backend Developer jobs in Illinois look for? The top searched job categories for Senior Backend Developer jobs in Illinois are:
What cities in Illinois are hiring for Senior Backend Developer jobs? Cities in Illinois with the most Senior Backend Developer job openings:
Infographic showing various Senior Backend Developer job openings in Illinois as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $135,507 per year, or $65.1 per hour.

Senior Backend Web and App Developer

Zmodo AI Inc

Champaign, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago


Job description

Backend Web and App Developer

At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We’re seeking a full stack engineer who is ready to work with new technologies and architectures in a forward-thinking organization that’s always pushing boundaries. Here, you will take complete, end-to-end ownership of projects across the entire stack. Our ideal candidate has experience building products across the stack and a firm understanding of web frameworks, APIs, databases, and multiple back-end languages. You’ll be joining a small team working at the forefront of new technology, solving the challenges that impact both the front end and back-end architecture, and ultimately, delivering amazing global user experiences.


About Us 

Smartz was founded in June of 2021 by Dr. Kevin Wan who has been a successful entrepreneur in the smart home industry for more than 10 years. Our team at Smartz wants to disrupt the PropTech Industry by providing advanced AI software that is compatible with industry leading smart home devices and  will provide property owners and tenants with an all-in-one solution to all of their property management needs.


Our team uses the latest mobile technologies for all features of Smartz apps, which include live video streaming/recording, motion/sound alerts, AI powered object detection, video access sharing functions, etc. We always strive to develop innovative features to create secure and smart device management experiences for our users and business partners.


Benefits and Compensation 

  • Company paid Medical, Dental, Vision, and Life insurance
  • Retirement and savings plan with company match 
  • Robust paid time off package 
  • Paid Company Holidays 


Job Type

  • Full-time (Champaign, IL)


Job Responsibilities

  • Integration of user-facing elements developed by a front-end developer with server-side logic
  • Implement, integrate and document a variety of software platforms through the REST API framework
  • Be involved in the development life cycle and perform definition and feasibility analysis
  • Develop new features and infrastructure development in support of rapidly emerging business and project requirements
  • Assume leadership of new projects from conceptualization to deployment
  • Write object-oriented, clean, and maintainable code
  • Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities.
  • Optimization of the application for maximum speed and scalability
  • Implementation of security and data protection
  • Design and implementation of data storage solutions
  • Creating servers and database for functionality
  • Meeting both technical and consumer needs.
  • Staying abreast of developments in web applications and programming languages.
  • Design and implementation of continuous integration and deployment
  • Troubleshoot issues and solve problems, identify potential process improvement areas
  • Deliver quality results on time with minimal supervision


Experience & Qualifications

  • 1 year of experience using Java / C++ , Bash
  • 1+ year of using these apps/tools under Linux: Nginx , Git , Mysql/Mongodb
  • Bachelor's Degree in Computer Science or related majors
  • Excellent verbal communication skills.
  • Good problem-solving skills and strong attention to detail.
  • Passion for learning cutting edge tech stack.


Smartz’s commitment of diversity and inclusion is one we strive to continuously cultivate. We aim to provide everyone regardless of identity a space where they can grow and feel seen as a person first. These are more than just words to us; they are guidelines for how we build and foster our team, our leaders, and the core culture of our company. We are also an equal opportunity employer that does not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. In accordance with the law, we make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as any mental health or physical disability needs.


As a part of our commitment to health and safety, we have implemented various COVID-related health and safety requirements for our workforce. These requirements may include sharing information in the company's HRM system, regular testing, mask wearing, social distancing and daily health checks. Requirements may change in the future with the evolving public health landscape.