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Freelance Java Backend Developer Jobs in Illinois

Backend Developer (Remote)

Joliet, IL · On-site

$50.25 - $65/hr

Currently, we are looking for entry-level software programmers, IT enthusiasts, Python/Java developers, data analysts/data scientists. We welcome candidates with all visas and citizens to apply. Who ...

8+ years plus experience required. 1. Strong proficiency in java programming language with a deep understanding of object-oriented principles and design patterns. 2. Hands on experience in developing ...

Backend Java Developer

Chicago, IL · On-site

$52 - $67.50/hr

... DevOps • High Availability and Reliable Solutions • Some architecture experience Technical Skills (Desired) • Python experience Job Description • ...

Fullstack Developer (Java &

Chicago, IL · On-site

$54 - $69.75/hr

... 17 ) and robust backend engineering with Spring Boot and Azure SQL . We are looking for an ... expertise in Java and Spring Boot . * 5+ years of advanced SQL Server experience. You must ...

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 ...

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Freelance Java Backend Developer information

What are the most commonly searched types of Java Backend Developer jobs in Illinois? The most popular types of Java Backend Developer jobs in Illinois are:
What cities in Illinois are hiring for Freelance Java Backend Developer jobs? Cities in Illinois with the most Freelance Java Backend Developer job openings:
Java Microservices Developer (Local to IL Only)

Java Microservices Developer (Local to IL Only)

Artech

Naperville, IL • On-site

$40 - $45/hr

Other

Posted 6 days ago


Key responsibilities

  • Design, develop, and maintain enterprise-grade applications using Core Java and Spring Boot.

  • Build and support scalable Microservices and distributed systems architectures.

  • Develop and consume RESTful APIs and web services.


Job description

Request ID: 90427-1
Title: Java Microservices Developer (Junior or Mid-Level)
Location: Naperville, IL
Duration: 6+ Months
Salary Range: $40- $45 an hour ON W2/C2C
Job Description:
Seeking a highly skilled Java Developer with strong expertise in Core Java, Microservices, Spring Boot, AWS Cloud, and database technologies. The ideal candidate will be responsible for designing, developing, and supporting scalable enterprise applications while working in a distributed systems environment. Experience in Banking/Financial Services is highly preferred.
Key Responsibilities
  • Design, develop, and maintain enterprise-grade applications using Core Java and Spring Boot.
  • Build and support scalable Microservices and distributed systems architectures.
  • Develop and consume RESTful APIs and web services.
  • Implement secure application integrations using OAuth2 and JWT.
  • Work with Oracle and PostgreSQL databases, including query optimization and performance tuning.
  • Deploy and manage applications on WebLogic and Apache Tomcat environments.
  • Leverage AWS services for cloud-native application development and deployment.
  • Collaborate with cross-functional teams in Agile development environments.
  • Participate in code reviews, performance optimization, troubleshooting, and production support.
  • Contribute to CI/CD pipeline implementation and DevOps best practices.
Required Skills
Core Java & Backend Development
  • Core Java
  • Collections Framework
  • Multithreading
  • Java Streams
  • JVM Internals
Microservices & Frameworks
  • Microservices Architecture
  • Distributed Systems
  • Spring Boot
  • Spring MVC
Middleware & Application Servers
Databases
  • Oracle Database
  • PL/SQL
  • Query Optimization
Cloud & DevOps
  • AWS EC2 , AWS S3 , AWS RDS , AWS Lambda, AWS CloudWatch, AWS IAM
  • Jenkins
  • Maven / Gradle
  • CI/CD Pipelines
  • Docker (Preferred)
  • Kubernetes (Preferred)
API & Security
  • REST APIs
Preferred Skills
  • Banking and Financial Services (BFSI) domain experience.
  • Experience with cloud-native application development.

Appreciate your quick response and please feel free to reach me out for any query you may have.
Thanks

Artech logo

About Artech

Sourced by ZipRecruiter

Artech is a leading IT staffing and consulting company based in Morristown, NJ, US. Since its foundation in 1992, Artech has mastered in complementing human expertise with technology and business acumen to produce world-class staffing solutions. The company caters to diverse industry sectors, including financial services, healthcare, telecommunication, energy and utilities, supply chain, and retail. It provides IT consulting, project management, professional and staff augmentation, and managed staffing services. Artech's mission is to provide exceptional IT staffing services to its clients by comprehending their business needs and then crafting a customized staffing strategy. Its notable achievement includes being recognized as one of the largest IT staffing companies in the U.S, according to Staffing Industry Analysts (SIA).

Industry

Recruiting and staffing services

Company size

10,000+ Employees

Headquarters location

Morristown, NJ, US

Year founded

1992