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Freelance Remote Java Backend Developer Jobs in Chicago, IL

Android Developer (Mobile)

Chicago, IL · On-site +1

$57.50 - $75.50/hr

You will collaborate closely with backend engineers, data scientists, and product teams to build ... Remote Work Ability: Ability to work effectively in a distributed, remote-first environment.

Sr. Developer - AEP- Cleveland, OH

Chicago, IL · Remote

$56.25 - $74.25/hr

Remote Experience: 5-7 years (with strong hands-on experience in Adobe Stack) We are seeking an ... Java - for enterprise-grade backend services and integrations Additional Technical Skills

Developer Infrastructure-We're responsible for the productivity of all developers at Stripe. Ensure ... Ability to write high-quality code (in programming languages like Go, Java, C/C++ etc.) * 2-12 ...

Proven experience as Node.js backend developer with a strong focus on TypeScript * Works effectively in a remote-first-by-design software development culture that embraces hybrid work and/or travel ...

Proven experience as Node.js backend developer with a strong focus on TypeScript * Works effectively in a remote-first-by-design software development culture that embraces hybrid work and/or travel ...

Proven experience as Node.js backend developer with a strong focus on TypeScript * Works effectively in a remote-first-by-design software development culture that embraces hybrid work and/or travel ...

Senior Developer

Chicago, IL · On-site +1

$57K - $113K/yr

Design, develop, and maintain Java/J2EE-based applications and batch processes, as required ... Integrate applications with backend systems and enterprise platforms. * Participate in requirements ...

Senior Developer

Chicago, IL · On-site +1

$57K - $113K/yr

Design, develop, and maintain Java/J2EE-based applications and batch processes, as required ... Integrate applications with backend systems and enterprise platforms. * Participate in requirements ...

About the job We are seeking a highly skilled and experienced AI/ML Developer to join our team. The ... Own end-to-end implementation from frontend to the backend. * Java (Plus) : Expose AI/LLM ...

... PA, Remote-TX, Remote-VA, Richardson, Texas Details Kemper is one of the nation's leading ... You will work on Guidewire ClaimCenter and its surrounding middleware (Java/SpringBoot, AWS SQS/SNS ...

... PA, Remote-TX, Remote-VA, Richardson, Texas Details Kemper is one of the nation's leading ... You will work on Guidewire ClaimCenter and its surrounding middleware (Java/SpringBoot, AWS SQS/SNS ...

Senior Software Engineer, Backend

Chicago, IL · On-site +1

$126K - $166K/yr

WHO YOU ARE You are a seasoned software developer who is dedicated to your craft; you write code ... Golang, PHP (Laravel), Java is highly desired * Relational database design and web database ...

Senior Software Engineer, Backend

Chicago, IL · On-site +1

$126K - $166K/yr

WHO YOU ARE You are a seasoned software developer who is dedicated to your craft; you write code ... Golang, PHP (Laravel), Java is highly desired * Relational database design and web database ...

Senior Software Engineer

Chicago, IL · On-site +1

$104K - $156K/yr

Work with data ranging from on farm collected precision agriculture data to remote sensed satellite ... Proficiency in at least one modern backend programming language (e.g., Java, Python) * Experience ...

Senior Software Engineer (Java)

Chicago, IL · Remote

$128K - $169K/yr

The Senior Software Engineer is a full-stack technical contributor for driving the design ... Remote Work Stipend * Equal Paid Parental Leave * 401k with Employer Matching * Quarterly Wellness ...

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Freelance Remote Java Backend Developer information

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How much do freelance remote java backend developer jobs pay per hour?

As of Jul 8, 2026, the average hourly pay for freelance remote java backend developer in Chicago, IL is $56.28, according to ZipRecruiter salary data. Most workers in this role earn between $50.00 and $64.86 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Freelance Remote Java Backend Developer, and why are they important?

To thrive as a Freelance Remote Java Backend Developer, you need strong proficiency in Java, backend frameworks (such as Spring Boot), API development, and a solid understanding of databases, often supported by a degree in computer science or equivalent experience. Familiarity with tools like Git, Docker, cloud platforms (AWS, Azure), and CI/CD pipelines is typically required, and relevant certifications can be advantageous. Excellent problem-solving abilities, clear communication, and self-motivation help you deliver high-quality solutions and collaborate effectively with clients or distributed teams. These skills and qualities are crucial for delivering robust, scalable backend systems efficiently and maintaining client satisfaction in a remote freelance environment.

What does a Freelance Remote Java Backend Developer do?

A Freelance Remote Java Backend Developer is a software professional who specializes in building and maintaining the server-side logic, databases, and APIs for web or mobile applications, primarily using the Java programming language. Working remotely, they collaborate with clients or teams from different locations to deliver backend solutions that ensure the application's performance, scalability, and security. Their responsibilities often include designing and implementing RESTful APIs, integrating with third-party services, fixing bugs, and optimizing backend processes. As freelancers, they typically manage their own schedules and work with multiple clients or projects.

What are some common challenges faced by freelance remote Java backend developers, and how can they be addressed?

Freelance remote Java backend developers often encounter challenges such as managing communication across time zones, maintaining consistent code quality, and integrating smoothly with distributed teams. To address these, it’s important to establish clear communication channels, use collaboration tools like Slack or Jira, and adhere to standardized coding and documentation practices. Regularly syncing with the client and proactively sharing updates can help ensure alignment and reduce misunderstandings.
What are the most commonly searched types of Remote Java Backend Developer jobs in Chicago, IL? The most popular types of Remote Java Backend Developer jobs in Chicago, IL are:
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Android Developer (Mobile)

Prolaio

Chicago, IL • On-site, Remote

$57.50 - $75.50/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago


Job description

Who Are We?

Prolaio believes that continuous learning and collaboration can make a significant difference in how heart care is administered. We are creating smarter ways to address heart disease and heart risks by uniting patients, care teams, and researchers on a secure, technology-enabled platform that drives clinical innovation and offers a path towards better patient outcomes.

This is precision cardiology, and we know it's within reach.

What Will You Do?

The Overview

We are seeking a talented and motivated Mobile Software Engineer/Android Developer to join our Engineering team. In this role, you will enhance our mobile application capabilities by developing, optimizing, and maintaining our mobile app that interfaces with medical devices to collect and upload data for further analysis. You will collaborate closely with backend engineers, data scientists, and product teams to build mobile solutions that are scalable and impactful. This role will report directly to the Lead Mobile Engineer. We would love to find someone in the Chicagoland area who can collaborate with the team in the office, but are also open to the right candidate in another location. 

The Specifics

  • Mobile Development: Design, develop, and maintain mobile applications using Kotlin and related technologies.
  • Algorithm Integration: Collaborate with backend teams to integrate state-of-the-art algorithms into mobile applications and deliver great user experiences.
  • Optimize Performance: Optimize mobile app performance, ensuring efficiency, reusability, and responsiveness across a wide variety of mobile devices.
  • API Integration: Work with backend teams to integrate RESTful APIs that interface with the mobile app.
  • Testing and Automation: Write unit tests and UI automation tests using tools like Espresso, UI Automator, JUnit, and Appium.
  • Collaboration: Work closely with data scientists, product teams, and engineers to align data solutions with business and product needs.
  • Problem Solving: Tackle complex technical challenges and contribute to continuous improvement initiatives

Why Prolaio?

  • Impactful Work: You will join in the fight against heart failure (HF) and hypertrophic cardiomyopathy (HCM) with the goal of extending and saving the lives of our patients while also being at the forefront of changing the healthcare industry through technology.
  • Innovative Environment: You will be part of an organization doing something that's never been done before.
  • Professional Growth: You will join a growing team and have a substantial impact on our daily and future operations with the opportunity to continuously learn and grow.
  • Collaborative Team: You will be part of a team of collaborative, curious, and committed individuals focused on the collective good, inclusiveness, scientific excellence, and advancing digital health for cardiology.

Who You Are?

  • Experience and Education
    • Bachelor's degree in Computer Science, Engineering, or a related technical field.
    • 3-5 years of experience as a Mobile Software Engineer, Android Engineer, or similar role.
  • Technical Skills and Practice
    • Mobile Development: Strong experience with Kotlin for Android development.
    • Mobile Architecture: Knowledge of mobile architecture patterns such as MVP, MVVM, or MVC.
    • Testing and Automation: Experience with unit testing and UI automation using tools like Espresso, UI Automator, JUnit, or Appium.
    • API Integration: Experience with integrating RESTful APIs into mobile applications.
    • Programming Skills: Proficiency in mobile frameworks and libraries such as Jetpack Compose, Firebase, and ktor.
    • Communication Skills: Strong problem-solving, communication, and collaboration abilities.
    • Remote Work Ability: Ability to work effectively in a distributed, remote-first environment.
    • Language Proficiency: Fluent in English.

Additional Qualifications (Nice to Haves)

  • Kotlin Multiplatform: Experience working on Kotlin Multiplatform projects for both Android and iOS.
  • BLE Devices: Experience with Bluetooth Low Energy (BLE) devices.
  • CI/CD Automation: Experience with mobile CI/CD processes.
  • Healthcare Experience: Previous experience in the healthcare industry

Why You'll Love Working Here

  • Meaningful Compensation: Competitive salary, performance bonus, and equity so you can share in what we build.
  • Great Health Coverage: Medical, dental, and vision plans with multiple options and strong company contributions.
  • Flexible Spending Perks: HSA, FSA, commuter benefits, and a $1,200 annual Lifestyle Spending Account to support wellness, commuting, family needs, and more.
  • Time to Recharge: Generous paid time off, sick leave, and company holidays.
  • Family-First Benefits: Paid parental leave, caregiver leave, and support for growing families.
  • Security & Peace of Mind: Company-paid life insurance and short- and long-term disability coverage.
  • Plan for the Future: 401(k) plan to help you build long-term financial security.
  • Care When You Need It: Easy access to telehealth and optional supplemental coverage for life's unexpected moments.

Starting Salary is at $139,000.00 (Exact Compensation may vary based on skills, experience, and location)