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Back End Developer Jobs in Chicago, IL (NOW HIRING)

.NET Developer

Chicago, IL

$49.75 - $65.75/hr

Net back-end developer, with some front-end experience Needs WCF Able to confidently speak about previous projects and C# and Object-Oriented programming concepts Preference for candidates that can ...

Back-end associate

Chicago, IL · On-site

$60K - $70K/yr

You will work closely with developers, analysts, and project stakeholders to support and enhance core backend functionalities. Responsibilities * Assist in the development and maintenance of server ...

You will work closely with developers, analysts, and project stakeholders to support and enhance core backend functionalities. Responsibilities * Assist in the development and maintenance of server ...

Senior Backend Engineer

Chicago, IL · On-site

$97K - $195K/yr

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities ... Engage in full-stack development, from backend systems to user interfaces. Work with technologies ...

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities ... Engage in full-stack development, from backend systems to user interfaces. Work with technologies ...

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/yr

We are helping our Direct Client (Fortune 100 company) to look for Top Notch/Expert Sr. Backend Java Developer for 100% Onsite Multi-Year Contract role in Chicago Downtown, Immediate Start! Client ...

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/yr

We are helping our Direct Client (Fortune 100 company) to look for Top Notch/Expert Sr. Backend Java Developer for 100% Onsite Multi-Year Contract role in Chicago Downtown, Immediate Start! Client ...

Java Developer

Riverwoods, IL · On-site

$53 - $68.50/hr

This role centers on building and optimizing high‑performance backend services and cloud‑based ... Collaborate with cross-functional teams (cloud engineering, data engineering, architecture, QA, and ...

The opportunity Altruist is in the midst of an exceptional growth phase and we're excited to hire Staff Back End Engineers to join our growing Trading team. This role will be remote for candidates ...

Showing results 41-60

Back End Developer information

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How much do back end developer jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for back end developer in Chicago, IL is $59.52, according to ZipRecruiter salary data. Most workers in this role earn between $48.80 and $70.38 per hour, depending on experience, location, and employer.

What is a back end developer?

A Back End Developer is a programmer who specializes in building and maintaining the server-side logic, databases, and application functionality that power websites and web applications. Unlike front end developers, who focus on the visual and interactive elements users see, back end developers work behind the scenes to ensure data is stored, processed, and delivered correctly. They typically use programming languages like Python, Java, Ruby, or PHP, and interact with databases such as MySQL or MongoDB. Their work is crucial for making sure applications run smoothly, securely, and efficiently.

What is a back end developer?

A back end developer is a computer science professional who specializes in functionality that takes place on the server side or backend. As a back end developer, you write code to create software that solves a business need. Your responsibilities are to research the needs of either your employer, or a particular industry, find a problem, and create a software solution. A back end developer differs from a traditional web developer, or front end developer, in that back-end software may not have a user interface or even have exposure to the web.

What are the key skills and qualifications needed to thrive as a back end developer?

To thrive as a Back End Developer, you need strong programming skills in languages like Java, Python, or Node.js, along with a solid understanding of databases and API design, typically supported by a degree in computer science or related experience. Familiarity with frameworks such as Spring or Django, version control systems like Git, and cloud platforms (e.g., AWS or Azure) is often required, with certifications in these areas considered beneficial. Problem-solving, effective communication, and teamwork are crucial soft skills that help developers collaborate and address complex technical challenges. These competencies are vital for building reliable, scalable systems that support front-end applications and ensure robust product performance.

What are some common challenges back end developers face when integrating with front-end teams?

Back End Developers often encounter challenges when aligning data structures and APIs with front-end requirements, especially as user interface needs evolve rapidly during development. Effective communication and regular collaboration with front-end developers are essential to ensure that endpoints, data formats, and error handling are well-coordinated. Additionally, maintaining consistent documentation and using tools like Swagger or Postman can help streamline integration and reduce misunderstandings between teams.

What is the difference between Back End Developer vs Front End Developer?

AspectBack End DeveloperFront End Developer
Primary FocusServer-side logic, databases, APIsUser interface, website layout, client-side scripting
Skills & TechnologiesLanguages like Java, Python, Ruby; databases; server managementHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend systems, server environments, cloud platformsDesign tools, browser testing, UI/UX design
Common CertificationsCertified Web Developer, AWS Certified DeveloperCertified Front End Developer, UI/UX certifications

Back End Developers focus on server-side logic, databases, and APIs, ensuring the website's functionality behind the scenes. Front End Developers work on the visual and interactive aspects users see and interact with. Both roles are essential in web development, often collaborating to create seamless digital experiences.

What are the most commonly searched types of Back End Developer jobs in Chicago, IL?

The most popular types of Back End Developer jobs in Chicago, IL are:

What job categories do people searching Back End Developer jobs in Chicago, IL look for?

The top searched job categories for Back End Developer jobs in Chicago, IL are:

What cities near Chicago, IL are hiring for Back End Developer jobs?

Cities near Chicago, IL with the most Back End Developer job openings:

Infographic showing various Back End Developer job openings in Chicago, IL as of August 2026, with employment types broken down into 78% Full Time, 16% Part Time, 1% Temporary, and 5% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $123,804 per year, or $59.5 per hour.

Senior/Staff Backend Engineer, Platform, Consumer Apps - Klover

Attain

Chicago, IL • On-site

Full-time

Re-posted yesterday


Job description

About Attain
Klover's engineering team powers one of the fastest-growing fintech platforms in the U.S., supporting over one million active users each month. Our systems process and move more than $1.5 billion annually, enabling real-time access to financial tools, rewards, and services that help people improve their day-to-day lives.
As part of this team, you'll help design, build, and scale the systems that underpin Klover's core products and platform. You'll work on high-impact, production-grade systems that prioritize reliability, security, and performance, and that integrate with a broad ecosystem of internal and external services. The work you do will directly shape how users interact with Klover's products, access their money, and experience transparent, low-fee financial services.
Klover engineers collaborate closely with colleagues across backend, frontend, data science, and product teams to deliver scalable, high-quality solutions for a rapidly growing user base. You'll have the opportunity to work with modern technologies and architectures while helping define and evolve the next generation of inclusive, data-powered financial products-building systems and interfaces that emphasize reliability, privacy, and performance at scale.
Attain Office Hybrid Schedule (where applicable):
  • Chicago, IL: 4 days in-office; 1 day remote
You'll be a great fit for the role if
  • You are excited to build and scale backend systems that support financial products and real-time payments
  • You thrive in environments where data integrity, security, and performance are critical
  • You are excited to build microservices using Rust and Go
  • You have a willingness to learn and teach in a collaborative environment
  • You're eager to leverage and develop using AI tools
  • You've been complimented on how well you participate in an open feedback environment

What your day to day will look like
  • Build and evolve microservices that handle high-volume financial and transactional data
  • Design and implement APIs that securely connect to third-party payment processors, banks, and fintech partners
  • Write thoughtful & quality code that is readable, testable, and easily maintainable
  • Develop data-driven services that power account management, transaction history, and financial insights
  • Strive for excellent development practices and careful code architecture that is built around rapid releases
  • Work cross-functionally with backend, mobile, and product teams to consistently release high-quality, customer-focused financial features
  • Adhere to, and improve upon, our agile process through requirement documents, sprint retrospectives, and other regular cadence meetings

Preferred Qualifications
  • 5+ years of experience building backend services in production environments
  • Experience in the financial technology, payments, or banking systems industry
  • Familiarity with compliance, security, and data privacy standards (e.g., SOC 2, PCI DSS, GDPR)
  • Experience designing transactional and event-driven systems for payments, reconciliation systems, or ledger-like applications
  • Familiarity with microservice or Service-oriented Architecture
  • Experience using gRPC, protobuf, or GraphQL
  • Expert knowledge of SQL and experience designing data models for financial data integrity
  • Experience with message queues or event streams (e.g., Kafka, RabbitMQ)
  • Experience with cloud environments such as AWS, GCP, or Azure

We're excited to hear from you.
At Attain, we are passionate about finding people to continuously help us grow our organization. We encourage you to apply, even if your experience doesn't match every detail of the job description. If we don't see something that immediately fits, we will keep your resume on file for future opportunities.