1732 Java J2ee jobs in Oak Park, IL

Recommended

Sr.Java Developer

Crescentitsolutions

Chicago, IL 60629

~ 17 min Onsite

Strong problem-solving skills and the ability to analyze complex technical issues and propose effective solutions.
Excellent understanding of software development lifecycle (SDLC), Agile methodologies, and DevOps practices.
In-depth knowledge of RESTful APIs, JSON, and asynchronous messaging protocols (e.g., Kafka, RabbitMQ).
Bachelor's or master's degree in Computer Science, Engineering, or related field (or equivalent work experience).
Proven experience as a Java Developer, with a focus on Microservices architecture and Spring Security.
Experience with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis).

SmartExplore AI is experimental.

New, Posted 16 hours ago

Android Developer (Java/Kotlin) - MVVM & REST APIs

Infinite Convergence Solutions

Chicago, IL 60629

~ 17 min Onsite

Java
MVVM
4-8 years of experience in native Android app development
Android
Kotlin
REST APIs

SmartExplore AI is experimental.

Senior JavaScript Engineer - Trading Systems & Distributed

HRB

Chicago, IL 60629

~ 17 min Onsite

Senior JavaScript Engineer - Trading Systems & Distributed
A trading firm based in Chicago is seeking a skilled software engineer to leverage advanced technology in trading various asset types
Periodic visits to the Chicago office
Experience or interest in JavaScript/TypeScript
Strong background in software engineering, particularly in object-oriented design

SmartExplore AI is experimental.

Recommended

Software Developer - Integrations & Java/MuleSoft

Quinnox

Chicago, IL 60629

$153,317/yr

Paid Relocation to Chicago, IL

~ 17 min Onsite

Software Developer
Analyze user needs and design solutions
Primarily using tools like Java, webMethods, and MuleSoft

SmartExplore AI is experimental.

Sr. Software Engineer - Java/AWS (Contract)

Early Warning Services LLC

Chicago, IL 60629

Hybrid~ 17 min

Positions located in Scottsdale, San Francisco, Chicago, or New York follow a hybrid work model
Experience with Java, Spring Boot, Rest APIs
This position is ineligible for employment Visa sponsorship
Bachelor's Degree in Computer Science and/or 5 or more years of related industry experience
Sr. Software Engineer - Java/AWS (Contract)
Experience with AWS/Cloud
Eligibility to work in the United States, for any employer, at the date of hire

SmartExplore AI is experimental.

Recommended

Full Stack Java Developer

Compunnel

Chicago, IL 60629

Remote

Hands-on experience with Docker and Kubernetes (AKS)
Familiarity with Infrastructure as Code (Terraform) and CI/CD pipelines
Basic understanding of ReactJS for UI development
Non-relational: Redis, MongoDB
10+ years of overall IT experience
Messaging systems: Kafka
5+ years of senior-level Java development experience
JUnit & Mockito for testing
Spring Security (authentication, authorization, JWT)
2+ years of cloud development experience
Azure preferred; AWS experience is a plus
Strong proficiency in: Spring Boot, Spring Data JPA, Hibernate

SmartExplore AI is experimental.

Recommended

Senior Java Architect

Atria Group LLC

Chicago, IL 60629

~ 17 min Onsite

Experience in Core Java
Proficient expertise in Drools / Rules Engine, SOQ (IBM / Oracle/ mulesoft), Fiorono / Oracle Fusion, WSO2
Looking for a Java Architect

SmartExplore AI is experimental.

Senior Software Engineer (Java/Python) — Cloud & Data

JPMorgan Chase &

Chicago, IL 60629

Senior Software Engineer (Java/Python) — Cloud & Data
Design and develop scalable technology products using Java or Python
Authorisation to work in the United States without immigration sponsorship

SmartExplore AI is experimental.

Recommended

Azure Java Backend Developer (Contract)

TechDigital Group

Chicago, IL 60629

Paid Relocation to Chicago, IL

Remote

Java Developer
Java/JEE
Azure
Spring MVC
REST API implementation
Agile environment
Secure software development practices
Web-based development on Azure
Static analysis tools

SmartExplore AI is experimental.

Recommended

Java Architect

Recooty

Chicago, IL 60629

8+ years of experience with good understanding of Core Java basic concepts such as OOPS, classes, inheritance and polymorphism, java collections
Good understanding of general integration styles and related patterns like Channel patterns, Routing Patterns, Transformation patterns and Endpoint patterns
Experience with Cloud Technologies – Azure Cloud Services and/or AWS
Experience with CI/CD using Jenkins/Git/Kubernetes/Docker/Containerization
Working experience with Java frameworks like: * Spring Projects – spring MVC, spring core, spring batch, spring cloud * ORM – JDBC template, Hibernate, Ibatis
Working experience and understanding of any of the Java based integration technologies: * Spring Boot * Kafka * ActiveMQ * Enterprise BUS * Apache Camel * Apache Flink
Well versed with JDK 8 features or above and good understanding of multi-threading, Java concurrency package
Should have good understanding of Java design patterns such as chain of commands, domain‑driven design (DDD), singleton etc.
Good to have experience with Asynchronous and reactive programming

SmartExplore AI is experimental.