ZipRecruiter

Log In

1

Freelance Java Spring Developer Jobs in Naperville, IL

BC Forward

Java Developer with AI

Chicago, IL · On-site

$45 - $48.27/hr

Java Developer - Notifications Platform & AI Engineering Location: Chicago, IL Duration: Temp - 9 ... Build cloud-native backend services using Java, Spring Boot, Apache Camel, microservices ...

Deloitte

Senior Java Developer

Chicago, IL · On-site

$59 - $75.25/hr

Architect and implement backend solutions using Java/J2EE and Spring Boot for distributed claims ... Mentor Java developers and enforce best practices in secure coding and microservices architecture.

Staffingine LLC

Java Developer

Chicago, IL · On-site

$52.50 - $68/hr

Java Developer Job Location: Chicago, IL Job Type: Contract * Lead design development and ... Extensive experience with Spring Framework Spring Boot Spring MVC and microservices architecture

Informatic Technologies

Java Developer

Chicago, IL · On-site

$52.50 - $68/hr

Experience with Java/J2EE technologies, including the Java programming language, the Java Virtual ... Experience using the Spring Framework for development * Experience with online technologies ...

next page

Showing results 1-20

All JobsJava Spring Developer JobsFreelance Java Spring Developer JobsFreelance Java Spring Developer Jobs in Naperville, IL

Freelance Java Spring Developer information

See Naperville, IL salary details

$15

$56

$77

How much do freelance java spring developer jobs pay per hour?

As of Jul 16, 2026, the average hourly pay for freelance java spring developer in Naperville, IL is $56.61, according to ZipRecruiter salary data. Most workers in this role earn between $48.94 and $63.37 per hour, depending on experience, location, and employer.

What is the difference between Freelance Java Spring Developer vs Java Backend Developer?

AspectFreelance Java Spring DeveloperJava Backend Developer
CredentialsOften requires Java certifications, Spring certifications, and relevant experienceTypically requires a Java degree or equivalent experience, with or without certifications
Work EnvironmentIndependent, project-based, remote or on-site freelance workFull-time employment in a company or organization, often in an office setting
Employer & Industry UsageClients across various industries hiring for specific projectsEmployers in tech, finance, e-commerce, and other sectors with ongoing backend needs
Search & Comparison IntentLooking for freelance opportunities or contract work in Java Spring developmentSeeking full-time or permanent backend development roles in Java

In summary, Freelance Java Spring Developers typically work independently on short-term projects, requiring specific certifications and flexible work environments. Java Backend Developers usually hold full-time roles within organizations, focusing on ongoing backend system development.

What is a Freelance Java Spring Developer?

A Freelance Java Spring Developer is a self-employed software professional who specializes in building, maintaining, and optimizing applications using the Java programming language and the Spring framework. These developers work on a contract or project basis for various clients, rather than as full-time employees for a single company. Their responsibilities often include designing backend systems, integrating APIs, and ensuring applications are scalable and secure. Freelance Java Spring Developers typically manage their own schedules and may work remotely for clients around the world.

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

To thrive as a Freelance Java Spring Developer, you need a solid understanding of Java programming, Spring Framework (including Spring Boot), and experience with RESTful APIs, typically supported by a degree in computer science or relevant certifications. Familiarity with tools like Maven, Git, Docker, and cloud platforms such as AWS or Azure is often required. Strong problem-solving, time management, and client communication skills help you stand out in this role. These competencies ensure you can deliver robust solutions efficiently while managing multiple clients and projects in a dynamic freelance environment.

What are the most common challenges faced by Freelance Java Spring Developers when working with multiple clients simultaneously?

Freelance Java Spring Developers often juggle projects for multiple clients, which can pose challenges such as managing shifting priorities, aligning with different coding standards, and keeping up with varied communication styles. Successfully navigating these requires strong organizational skills, clear project documentation, and proactive communication to set expectations. Additionally, freelancers must stay updated with the latest Spring framework updates to deliver high-quality, maintainable solutions across diverse client environments.
What are the most commonly searched types of Java Spring Developer jobs in Naperville, IL? The most popular types of Java Spring Developer jobs in Naperville, IL are:
What are popular job titles related to Freelance Java Spring Developer jobs in Naperville, IL? For Freelance Java Spring Developer jobs in Naperville, IL, the most frequently searched job titles are:
What job categories do people searching Freelance Java Spring Developer jobs in Naperville, IL look for? The top searched job categories for Freelance Java Spring Developer jobs in Naperville, IL are:
What cities near Naperville, IL are hiring for Freelance Java Spring Developer jobs? Cities near Naperville, IL with the most Freelance Java Spring Developer job openings:
Freelance Java Spring Developer jobs near you

Software Engineer - Java/Python Microservices

GARGI TECHNOLOGIES INC

Chicago, IL • On-site

Other

Posted 22 days ago

Job description

Job Summary

We are seeking a skilled Software Engineer with strong experience in Java, Python, and microservices-based application development. The ideal candidate will design, develop, and maintain scalable, high-performance backend systems using modern frameworks and cloud-native technologies. This role requires collaboration with cross-functional teams to deliver reliable and secure software solutions.

Key Responsibilities
  • Design, develop, test, and deploy scalable microservices and backend applications.
  • Build RESTful APIs and integrate with internal and external systems.
  • Develop applications using Java (Spring Boot) and Python frameworks.
  • Implement microservices architecture, ensuring scalability, maintainability, and resilience.
  • Collaborate with product managers, architects, and QA teams throughout the software development lifecycle.
  • Optimize application performance, reliability, and security.
  • Participate in code reviews and enforce coding standards and best practices.
  • Create and maintain technical documentation.
  • Troubleshoot production issues and implement fixes in a timely manner.
  • Contribute to CI/CD pipeline development and automation initiatives.
Required Qualifications
  • Bachelor''s degree in Computer Science, Engineering, or related field.
  • 3+ years of professional software development experience.
  • Strong programming experience in Java and Python.
  • Hands-on experience with Spring Boot and Spring ecosystem.
  • Experience designing and developing microservices-based applications.
  • Strong understanding of REST APIs, JSON, and web services.
  • Experience with relational databases such as PostgreSQL, MySQL, or Oracle.
  • Familiarity with NoSQL databases such as MongoDB or Cassandra.
  • Experience with Git and version control practices.
  • Knowledge of software design patterns, object-oriented programming, and distributed systems.
  • Experience working in Agile/Scrum environments.
Preferred Qualifications
  • Experience with containerization technologies such as Docker.
  • Experience with Kubernetes or OpenShift.
  • Knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
  • Experience with messaging systems such as Kafka or RabbitMQ.
  • Familiarity with API Gateway, service discovery, and distributed tracing.
  • Experience with monitoring tools such as Prometheus, Grafana, ELK, or Splunk.
  • Knowledge of DevOps practices and CI/CD tools such as Jenkins, GitHub Actions, or GitLab CI.
  • Understanding of security best practices, authentication, and authorization mechanisms (OAuth2, JWT).
Technical SkillsLanguages
  • Java
  • Python
  • SQL
Frameworks & Technologies
  • Spring Boot
  • Spring Cloud
  • Hibernate/JPA
  • RESTful APIs
  • Microservices Architecture
Databases
  • PostgreSQL
  • MySQL
  • MongoDB
  • Oracle
DevOps & Cloud
  • Docker
  • Kubernetes
  • AWS/Azure/Google Cloud Platform
  • Jenkins
  • Git
Messaging & Integration
  • Apache Kafka
  • RabbitMQ
Soft Skills
  • Strong analytical and problem-solving skills.
  • Excellent communication and collaboration abilities.
  • Ability to work independently and in a team environment.
  • Strong attention to detail and commitment to quality.

Apply